CN117042435A - Automatic assembly line for circuit board bonding wires - Google Patents
Automatic assembly line for circuit board bonding wires Download PDFInfo
- Publication number
- CN117042435A CN117042435A CN202310607630.4A CN202310607630A CN117042435A CN 117042435 A CN117042435 A CN 117042435A CN 202310607630 A CN202310607630 A CN 202310607630A CN 117042435 A CN117042435 A CN 117042435A
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- wire
- tin
- block
- assembly
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- 230000007246 mechanism Effects 0.000 claims abstract description 136
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 88
- 238000003466 welding Methods 0.000 claims abstract description 52
- 238000007598 dipping method Methods 0.000 claims abstract description 31
- 238000005520 cutting process Methods 0.000 claims abstract description 22
- 230000000007 visual effect Effects 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims description 19
- 230000008018 melting Effects 0.000 claims description 19
- QTONOXMAHAVZIY-UHFFFAOYSA-N 7-hydroxy-6-methoxy-8-(2-methylbut-3-en-2-yl)chromen-2-one Chemical compound COc1cc2ccc(=O)oc2c(c1O)C(C)(C)C=C QTONOXMAHAVZIY-UHFFFAOYSA-N 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000033001 locomotion Effects 0.000 claims description 14
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 230000001939 inductive effect Effects 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 3
- 238000005491 wire drawing Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008531 maintenance mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/0417—Feeding with belts or tapes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/0015—Orientation; Alignment; Positioning
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/0061—Tools for holding the circuit boards during processing; handling transport of printed circuit boards
- H05K13/0069—Holders for printed circuit boards
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/02—Feeding of components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/08—Monitoring manufacture of assemblages
- H05K13/086—Supply management, e.g. supply of components or of substrates
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Operations Research (AREA)
- Wire Processing (AREA)
Abstract
The invention discloses an automatic assembly line for welding wires of a circuit board, which comprises an annular track conveying device for conveying the circuit board and N groups of processing units, wherein the N groups of processing units are arranged adjacent to the annular track conveying device and used for welding N wires to the circuit board, and each group of processing units sequentially comprises a tension paying-off mechanism, a wire cutting, peeling and tin dipping mechanism, a wire warping detection mechanism and a visual positioning welding mechanism according to the sequence of the wires flowing through a work station. The invention adopts a modularized design, has compact structure and can realize quick disassembly and assembly, can realize quick picking and placing and accurate positioning by using the quick disassembly and assembly jig with the buffer function, adopts a tension structure principle for paying off, balances the wire drawing force, effectively protects the wire from being damaged during working, is provided with a wire shortage alarm prompt function at a plurality of positions, and increases the stability of the whole machine by visual positioning.
Description
Technical Field
The invention relates to the field of circuit board bonding wire machinery, in particular to an automatic assembly line for circuit board bonding wires.
Background
In the bonding wire field of circuit board, in order to improve welded efficiency, then adopt automated welding in the production process, and current automatic tin pick-up device degree of automation is not high, there is not the modularized design and the structure is compact enough, there is not molten tin bath automatic feeding device and servo rotatory wire feeding mechanism, there is not jacking maintenance mechanism, equipment maintenance is inconvenient, conventional paying off mechanism does not have tension structure unable balanced wire rod dynamics of drawing while conventional paying off device does not establish the warning prompt facility of lack of wires, and current automated welding does not consider whether the next process is convenient, the time sequence is complicated and the reliability is not high.
Disclosure of Invention
The invention mainly solves the technical problems in the prior art, provides an automatic assembly line for welding wires of a circuit board, and provides the following technical scheme for realizing the purposes: the utility model provides an automatic assembly line for circuit board bonding wire, is including being used for carrying the annular rail conveyor of circuit board and being used for with the adjacent setting of annular rail conveyor N group processing unit with N electric wire welding to the circuit board, every group processing unit is according to the flow through order of electric wire including following mechanism in proper order:
the tension paying-off mechanism is used for loading the continuous wire coil and supplying wires to the next work station;
the wire cutting, peeling and tin dipping mechanism is used for cutting the continuous wire provided by the previous work station into small sections, peeling and tin dipping the wire end, and sending the small sections of the tin dipped wire to the next work station;
the wire warpage detection mechanism is used for optically detecting the small wire section of the last station;
and the visual positioning welding mechanism is used for welding the electric wire of the last station to the circuit board.
Preferably, the annular track conveying device comprises an annular conveying mechanism and a jig slidingly connected to the annular conveying mechanism, the jig comprises a base and a clamping seat, the base is sequentially arranged from bottom to top, the clamping seat is rotationally arranged on the base, the base is slidingly connected to the annular conveying mechanism, a circuit board is fixed on the clamping seat, the annular conveying mechanism comprises a guide rail base, a circulating track is fixedly connected to the guide rail base, a conveyor belt is arranged along the circulating track, the conveyor belt is driven by a first driving motor, and the jig is in driving connection with the conveyor belt.
Preferably, the tension paying-off mechanism comprises a box body, the box body is from the bottom up set gradually blowing spool, wire axle, first short-circuit inductor, school line subassembly and tension pole, the lower extreme fixed mounting of box opposite side has the motor, be provided with the speed regulator on the box body, all be provided with the unwrapping wire hole on wire axle, the tension pole, the motor is connected with blowing spool transmission, first short-circuit inductor fixed connection is on school line subassembly, the speed regulator is connected with the motor electricity, wire axle, the equal rotatable setting of tension pole are on the box, school line subassembly fixed connection is on the box.
Preferably, the wire cutting and peeling tin dipping mechanism comprises a machine body, two groups of tin wire unreeling mechanisms are fixedly arranged on the machine body, the two groups of tin wire unreeling mechanisms are used for loading tin wire coils and conveying tin wires to two groups of tin melting mechanisms below, a wire cutting and peeling mechanism arranged on the machine body is arranged between the tin wire unreeling mechanisms and the tin melting mechanisms, a first rotary tin dipping mechanism and a second rotary tin dipping mechanism are respectively arranged on the left side and the right side of the wire cutting and peeling mechanism, the first rotary tin dipping mechanism and the second rotary tin dipping mechanism are rotatably arranged on the machine body, the first rotary tin dipping mechanism comprises a wire feeding assembly, the wire feeding assembly is used for driving wires passing through the wire feeding assembly to move along the length direction of the wires, and the second rotary tin dipping mechanism comprises a clamping assembly capable of translating, and the clamping assembly is used for clamping wire ends from the first rotary tin dipping mechanism.
Preferably, the wire warpage detection mechanism comprises a bracket, and a first CCD image sensor for horizontally detecting warpage and a second CCD image sensor for vertically detecting warpage are slidably arranged on the bracket.
Preferably, the vision positioning welding mechanism comprises a bottom plate, a displacement module is arranged on the upper side of the bottom plate, a second driving motor is fixedly arranged on one side of the displacement module, an oblique tin wire unreeling mechanism is arranged on the upper side of the displacement module, a welding mechanism is arranged on one side of the oblique tin wire unreeling mechanism, a grabbing mechanism is arranged in front of the welding mechanism, and the grabbing mechanism is fixedly connected to the bottom plate.
Preferably, the base includes the bottom block, the bottom block downside is connected with a plurality of leading wheels that match with the circulation track, be equipped with the oil circuit oilhole in the bottom block, bottom block one side is provided with the locating piece, bottom block one side is provided with the connecting block, the connecting block is connected with the conveyer belt and is provided with buffer spring between the two, be provided with the response piece on the tool, circulation track one side is provided with response piece complex inductive switch, be provided with U type constant head tank on the locating piece, relative fixedly connected with base on the bottom block, install the bearing in the base, be provided with the mounting hole on the bottom block, set up the spacing spring round pin that sets up relatively in the mounting hole, clamping seat downside fixedly connected with roating seat, the roating seat has a decurrent rotation axis, the rotation axis passes from the bearing and stretches into in the mounting hole, the rotation axis is provided with the spacing hole that matches with spacing spring round pin, be provided with a pair of elasticity grip block on the clamping seat.
Preferably, the blowing spool outside is provided with the locating part, wire axle one end passes through rotatable connection of bearing on the box, school line subassembly fixed connection is on the box, school line subassembly is including fixed block and movable block, movable block and fixed block sliding connection, all be provided with a plurality of vertical school line wheels of arranging on fixed block and the movable block, movable block fixedly connected with guide pillar, be provided with the sliding sleeve that matches with the guide pillar on the fixed block, including the gag lever post that passes through the fixed block, the spring is installed to gag lever post one end, gag lever post other end fixed connection is at the movable block, the fixed block lower extreme sets up the fixed bolster, first short-circuit inductor is fixed to be set up on the fixed bolster, the axis of rotation is connected to the tension rod lower extreme, and this axis of rotation passes through rotatable setting of bearing on the box, the upper end of tension rod is provided with the thin axle, thin axle one end passes through rotatable connection of bearing on the tension rod, the thin axle other end is provided with the second unwrapping wire hole.
Preferably, the tin wire unreeling mechanism comprises a base plate, a tin unreeling reel, a first wire guide shaft, a second wire lacking sensor and a second wire guide shaft are sequentially and fixedly arranged on the base plate from top to bottom, a wire feeding wheel set is arranged between the second wire lacking sensor and the second wire guide shaft, the wire feeding wheel set is fixedly arranged on a machine body, the wire cutting peeling mechanism comprises a cutter driving assembly, a cutter assembly and a wire twisting block assembly, the cutter driving assembly is fixedly arranged in the machine body, the cutter assembly and the wire twisting assembly are in transmission connection through the cutter driving assembly, the cutter assembly comprises an upper cutter set and a lower cutter set which are oppositely arranged from top to bottom, the cutter driving assembly can drive the upper cutter set and the lower cutter set to open and close the wire, the wire feeding assembly is in transmission connection with a first rotating device, the first rotating device is driven by a first rotating motor, the first rotating motor is fixedly arranged in the machine body, the wire feeding assembly comprises a conveying wheel group and a wire feeding cylinder fixedly arranged below the conveying wheel group, the wire feeding cylinder is fixedly connected with a wire outlet module, a wire outlet hole is arranged in the wire outlet module, the conveying wheel group comprises a plurality of conveying wheels, the second rotating tin dipping mechanism comprises a clamping assembly, the clamping assembly is in transmission connection with a second rotating device, the second rotating device is driven by the second rotating motor, the second rotating motor is fixedly arranged in the machine body, the tin melting mechanism comprises a tin melting tank, one side of the tin melting tank is fixedly provided with a soldering flux tank, a heating plate is arranged in the tin melting tank, an oxide layer shifting plate is arranged on the upper part of the tin melting tank, the oxide layer shifting plate is driven by a cylinder to do horizontal movement and up-down movement, a temperature sensor is fixedly arranged in the tin melting tank, the machine body lower part is provided with a plurality of supporting blocks, supporting blocks and machine body fixed connection, supporting blocks outside sliding connection has the support frame, fixedly provided with the shear pin on the support frame, support frame rear side fixedly connected with X axle module, sliding connection has the Z axle module on the X axle module, Z axle module sliding connection has a snatch manipulator, machine body below drive is connected with a jacking jar, it can do the three pairs of cutters of relative opening and shutting motion to dispose respectively on cutter group and the lower cutter group, including being located a pair of cutter of cutting the centre and being located two pairs of cutters of skinning of both sides, skinning the cutter and cutting the edge of a knife of cutter and be provided with the cutting groove.
Preferably, the displacement module includes the guide rail, sliding connection has the slider on the guide rail, fixedly connected with lead screw slip table on the slider, lead screw slip table is connected with the lead screw transmission, lead screw one end is connected with the transmission of second driving motor, the mechanism of unreeling of cant tin silk includes the support curb plate of two fixed settings, welding mechanism includes first connecting plate, first connecting plate one side fixedly connected with second connecting plate, second connecting plate downside fixedly connected with accepting piece, a vision positioning sensor of fixedly connected with on the accepting piece, first motion subassembly of connecting block one side fixedly connected with, the action end fixedly connected with of first motion subassembly is a bent output piece, fixedly connected with welder mounting panel on the output piece, welder mounting panel internal fixation is provided with a welder, fixedly provided with one and cross the line piece in the line piece, cross and be provided with a gas tube hole in addition in tin line hole one side, snatch mechanism includes the basic block, fixedly connected with first connecting rod fixedly connected with first motion subassembly on the accepting piece, first connecting rod fixedly connected with rotary motion fixing base, second connecting rod fixedly connected with first clamping jaw fixedly connected with, second clamping jaw fixedly connected with first clamping jaw.
Compared with the prior art, the invention has the following beneficial effects:
the invention adopts a modularized design, has compact structure and can realize quick disassembly and assembly, can realize quick picking and placing and accurate positioning by using the quick disassembly and assembly jig with the buffer function, adopts a tension structure principle for paying off, balances the wire drawing force, effectively protects the wire from being damaged during working, is provided with a wire shortage alarm prompt function at a plurality of positions, and increases the stability of the whole machine by visual positioning.
For a clearer description of the structural features, technical means, and specific objects and functions achieved by the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments:
drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the endless track conveyor of the present invention;
FIG. 3 is a schematic diagram of a fixture according to the present invention;
FIG. 4 is a disassembled view of the base of the present invention;
FIG. 5 is a disassembled view of a rotary base according to the present invention;
FIG. 6 is a schematic view of a tension paying-off mechanism according to the present invention;
FIG. 7 is a schematic view of another view of the tension payout mechanism of the present invention;
FIG. 8 is a schematic view of a tangential peeling and tin dipping mechanism according to the present invention;
FIG. 9 is a schematic view of a wire warp detecting mechanism according to the present invention;
FIG. 10 is a schematic view of a visual positioning welding mechanism according to the present invention;
FIG. 11 is a schematic structural view of a tin wire unreeling mechanism of the present invention;
FIG. 12 is a schematic view of a tangential peeling mechanism according to the present invention;
FIG. 13 is a schematic view of a cutter assembly according to the present invention;
FIG. 14 is a schematic structural view of a first rotary tin pick-up mechanism according to the present invention;
FIG. 15 is a schematic view of a tin melting mechanism according to the present invention;
FIG. 16 is a schematic view of the structure of the support block and the coordinate gripping robot of the present invention;
FIG. 17 is a schematic diagram of a displacement module according to the present invention;
FIG. 18 is a schematic view of a welding mechanism according to the present invention;
fig. 19 is a schematic view of the grabbing mechanism of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, an embodiment of an automated assembly line for wire bonding of circuit boards includes an endless track conveyor 1 and five sets of processing units 2 assembled adjacent to the endless track conveyor 1, each set of processing units 2 sequentially includes a tension paying-off mechanism 3, a wire stripping and tin pick-up mechanism 4, a wire warpage detection mechanism 5 and a vision positioning welding mechanism 6 according to a wire flow sequence. The annular track conveying device 1 comprises an annular conveying mechanism 7 and a jig 8 which is connected to the annular conveying mechanism 7 in a sliding mode, the jig 8 comprises a base 9 and a clamping seat 10, the base 9 and the clamping seat 10 are sequentially arranged from bottom to top, the clamping seat 10 is arranged on the base 9 in a rotating mode, a circuit board 11 is fixed on the clamping seat 10, the annular conveying mechanism 7 comprises a guide rail base 12, a circulating track 13 is connected to the guide rail base 12 through screws, a conveying belt 14 is arranged along the circulating track 13, the conveying belt 14 is driven by a first driving motor 15 through a synchronous wheel 123, the synchronous wheel 123 is connected with the first driving motor 15 through a coupling 124 in a driving mode, and the jig 8 is connected with the conveying belt 14 in a driving mode.
Referring to fig. 6-7, the tension paying-off mechanism 3 includes a box 15, the box 15 is provided with a paying-off reel 16, a wire shaft 17, a first wire-lacking sensor 18, a wire correcting component 19 and a tension rod 20 from bottom to top in sequence, a motor 21 is fixedly arranged at the lower end of the rear side of the box 15, a speed regulator 22 is arranged on the box, paying-off holes 23 are formed in the wire shaft 17 and the tension rod 20, the motor 21 is in transmission connection with the paying-off reel 16, the first wire-lacking sensor 18 is fixedly connected to the wire correcting component 19, the wire shaft 17 and the tension rod 20 are rotatably arranged on the box 15, and the wire correcting component 19 is connected to the box 15 through screws.
Referring to fig. 8, the wire stripping and tin dipping mechanism 4 includes a machine body 24, two sets of tin wire unwinding mechanisms 25 are fixedly mounted on the machine body 24, the two sets of tin wire unwinding mechanisms 25 are used for loading tin wire reels and conveying tin wires to two sets of tin melting mechanisms 26 below, a wire stripping mechanism 27 mounted on the machine body is arranged between the tin wire unwinding mechanisms 25 and the tin melting mechanisms 26, a first rotary tin dipping mechanism 28 and a second rotary tin dipping mechanism 29 are respectively arranged at left and right sides of the wire stripping mechanism 27, the first rotary tin dipping mechanism 28 and the second rotary tin dipping mechanism 29 are rotatably arranged on the machine body 24, the first rotary tin dipping mechanism 28 comprises a wire feeding assembly 30, the wire feeding assembly 30 is used for driving wires passing through the wire feeding assembly to move along the length direction of the wires, the second rotary tin dipping mechanism 29 comprises a translatable clamping assembly 30, and the clamping assembly 30 is used for clamping wire ends from the first rotary tin dipping mechanism 28.
Referring to fig. 9, the wire warp detection mechanism 5 includes a bracket 31, and a first CCD image sensor 32 for detecting warp horizontally and a second CCD image sensor 33 for detecting warp vertically are slidably provided on the bracket 31.
Referring to fig. 10, the vision positioning welding mechanism 6 includes a bottom plate 34, a displacement module 35 is disposed on an upper side of the bottom plate 34, a second driving motor 36 is fixedly disposed on one side of the displacement module 35, an oblique tin wire unreeling mechanism 37 is disposed on an upper side of the displacement module 35, a welding mechanism 38 is disposed on one side of the oblique tin wire unreeling mechanism 37, a grabbing mechanism 39 is disposed in front of the welding mechanism 38, and the grabbing mechanism 39 is in screw connection with the bottom plate 34.
Referring to fig. 2-5, the base 9 includes a bottom block 40, a plurality of guide wheels 41 matched with the circulating rail 13 are connected to the lower side of the bottom block 40, an oil path hole 127 is formed in the bottom block 40, a positioning block 42 is disposed on one side of the bottom block 40, a connecting block 43 is disposed on one side of the bottom block 40, the connecting block 43 is connected with the conveyor belt 14, a buffer spring 44 is disposed between the connecting block 43 and the conveyor belt 14, a sensing piece 45 is disposed on the jig 8, a sensing switch 46 matched with the sensing piece 45 is disposed on one side of the circulating rail 13, a U-shaped positioning groove 47 is disposed on the positioning block, a base 48 is connected to the bottom block 40 by a relative screw, a bearing 49 is mounted in the base 48, a mounting hole 50 is disposed on the bottom block 40, a limit spring pin 51 disposed in the mounting hole 50 in a relative manner, a rotating seat 52 is connected to the lower side screw of the clamping seat 10, the rotating seat 52 has a downward rotating shaft 53, the rotating shaft 53 penetrates from the bearing 49 and extends into the mounting hole 50, a limit hole 54 matched with the limit spring pin 51 is disposed on the rotating shaft 53, a pair of elastic clamping blocks 55 is disposed on the clamping seat 10, two sides of the elastic clamping blocks 55 are respectively connected with two limit plates 125.
Referring to fig. 6-7, a limiting member 56 is disposed on the outer side of the discharging reel 16, one end of a wire shaft 17 is rotatably connected to the box 15 through a bearing, a wire calibrating assembly 19 is connected to the box 15 through a screw, the wire calibrating assembly 19 includes a fixed block 57 and a movable block 58, the movable block 58 is slidably connected to the fixed block 57, a plurality of vertically arranged wire calibrating wheels 59 are disposed on the fixed block 57 and the movable block 58, the movable block 58 is fixedly connected to two guide posts 60, a sliding sleeve 61 matched with the guide posts 60 is disposed on the fixed block 57, the wire calibrating wheels comprise a limiting rod 62 penetrating through the fixed block 57, one end of the limiting rod 62 is provided with a spring 63, the other end of the limiting rod 62 is fixedly connected to the movable block 58, a fixed bracket 64 is disposed at the lower end of the fixed block 57, a first wire-lack sensor 18 is fixedly disposed on the fixed bracket 64, a rotating shaft 65 is connected to the lower end of the tension rod 20, one end of the rotating shaft 65 is rotatably disposed on the box 15 through a bearing, the other end of the tension rod 20 is rotatably connected to the tension rod 66 through a bearing, a second wire-lack hole 67 is disposed at the other end of the shaft 66, and a second wire-lack hole 67 is formed in a round shape.
Referring to fig. 11-16, the tin wire unreeling mechanism 25 includes a base plate 68, the base plate 68 is sequentially and fixedly provided with a unreeling reel 69, a first guide wire shaft 70, a second wire-lacking sensor 71 and a second guide wire shaft 72 from top to bottom, a wire feeding wheel set 73 is arranged between the second wire-lacking sensor 71 and the second guide wire shaft 72, the wire feeding wheel set 73 is fixedly arranged on the machine body 24, the wire cutting and peeling mechanism 27 includes a cutter driving assembly 74, a cutter assembly 75 and a wire rubbing block assembly 76, the cutter driving assembly 74 is fixedly arranged in the machine body 24, the cutter assembly 75 and the wire rubbing assembly 76 are in transmission connection by the cutter driving assembly 74, the cutter assembly 75 includes an upper cutter set 77 and a lower cutter set 78 which are oppositely arranged from top to bottom, the cutter driving assembly 74 can drive the upper cutter set 77 and the lower cutter set 78 to perform opening and closing cutting actions on wires, the wire feeding assembly 30 includes a conveying wheel set 79 and a wire feeding cylinder 80 fixedly arranged below the conveying wheel set 79, the wire feeding cylinder 80 is connected with the wire outlet module 81 through screws, the wire outlet module 81 is internally provided with wire outlet holes 82, the conveying wheel set 79 comprises a plurality of conveying wheels 83, the tin melting mechanism 26 comprises a tin melting tank 84, one side of the tin melting tank 84 is fixedly provided with a soldering flux tank 85, a heating plate 86 is arranged in the tin melting tank 84, the upper part of the tin melting tank 84 is provided with an oxide layer shifting plate 87, the oxide layer shifting plate 87 is driven by a cylinder to do horizontal movement and up-down movement, the tin melting tank 84 is fixedly provided with a temperature sensor 88, the lower part of the machine body 24 is provided with a plurality of supporting blocks 89, the supporting blocks 89 are connected with the machine body 24 through screws, the outer side of the supporting blocks 89 is connected with a supporting frame 90 in a sliding way, the supporting frame 90 is fixedly provided with a safety pin 91, the rear side of the supporting frame 90 is connected with an X-axis module 92, the X-axis module 92 is connected with a Z-axis module 93 in a sliding way, the Z-axis module 93 is connected with a grabbing manipulator 94 in a sliding way, a lifting cylinder 95 is connected below the machine body 24 in a driving manner, three pairs of cutters capable of relatively opening and closing are respectively arranged on the upper cutter set 77 and the lower cutter set 78, the three pairs of cutters comprise a pair of peeling cutters 96 positioned in the middle and two pairs of peeling cutters 97 positioned at two sides, and V-shaped grooves are formed in the edges of the peeling cutters 97 and the cutting cutters 96.
Referring to fig. 17-19, the displacement module 35 includes a guide rail 98, a slide block 99 is slidingly connected to the guide rail 98, a screw rod sliding table 100 is screwed to the slide block 99, the screw rod sliding table 100 is in transmission connection with a screw rod 101, one end of the screw rod 101 is in transmission connection with a second driving motor 102, the oblique tin wire unreeling mechanism 37 includes two fixedly arranged supporting side plates 103, the welding mechanism 38 includes a first connecting plate 104, one side of the first connecting plate 104 is screwed to a second connecting plate 105, a receiving block 107 is screwed to the lower side of the second connecting plate 105, a visual positioning sensor 108 is screwed to the receiving block 107, one side of the second connecting plate 105 is screwed to a first sliding table cylinder 109, an actuating end screw of the first sliding table cylinder 109 is connected to a bending type output block 110, a welding gun mounting plate 111 is screwed to the output block 110, a welding gun 112 is fixedly arranged in the welding gun mounting plate 111, a wire passing block 113 is fixedly arranged on the welding gun 112, a tin wire hole 114 is arranged in the wire passing block 113, an air pipe hole 115 is additionally arranged in the wire passing block 113 and is arranged on one side of the tin wire hole 114, the grabbing mechanism 39 comprises a base block 116, a first connecting rod 117 is fixedly connected to the base block 116, a residual tin recovery box 118 is arranged on one side of the first connecting rod 117, a horizontally arranged second supporting rod 119 is connected to the first connecting rod 117 through a screw, a cylinder seat 120 is connected to the second supporting rod 119 through a screw, a second sliding table cylinder 121 is connected to the cylinder seat 120 through a screw, an electric rotating clamping jaw 122 is connected to the second sliding table cylinder 121 through a screw, when the jig 8 rotates to a set position, the visual positioning sensor 108 performs visual positioning, meanwhile, the welding gun 112 removes residual tin to the residual tin recovery box 118 through compressed air of an air pipe at an initial position, the next step is to displace soldering tin, the welding gun 112 moves to a welding point, after the welding, the welding gun 112 returns to a starting point to compress air to remove residual tin, the wire is smoothed out while the electric rotating clamping jaw 122 moves downwards to grab, so that the wire is bent downwards to prevent the sensor from being interfered, and then the jig 8 is rotated, so that the next station is convenient to work.
By adopting the technical scheme, the automatic assembly line for the circuit board bonding wires can achieve the beneficial effects and meet the production and use requirements when in use.
The above-described embodiments are provided for illustration only and not for limitation of the present invention, and modifications may be made to the embodiments without creative contribution by those skilled in the art after reading the present specification, as long as they are protected by patent laws within the scope of claims of the present invention.
Claims (10)
1. An automated assembly line for bonding wires of a circuit board, characterized in that: including being used for carrying the annular rail conveyor of circuit board and with the adjacent N processing unit that is used for of annular rail conveyor set up with N electric wires welding to the circuit board, every processing unit of group is according to the flow through order of electric wires including following mechanism in proper order:
the tension paying-off mechanism is used for loading the continuous wire coil and supplying wires to the next work station;
the wire cutting, peeling and tin dipping mechanism is used for cutting the continuous wire provided by the previous work station into small sections, peeling and tin dipping the wire end, and sending the small sections of the tin dipped wire to the next work station;
the wire warpage detection mechanism is used for optically detecting the small wire section of the last station;
and the visual positioning welding mechanism is used for welding the electric wire of the last station to the circuit board.
2. An automated assembly line for wire bonding of circuit boards as defined in claim 1, wherein: the annular track conveying device comprises an annular conveying mechanism and a jig which is connected to the annular conveying mechanism in a sliding mode, the jig comprises a base and a clamping seat, the base is sequentially arranged from bottom to top, the clamping seat is rotatably arranged on the base, the base is connected to the annular conveying mechanism in a sliding mode, a circuit board is fixed on the clamping seat, the annular conveying mechanism comprises a guide rail base, a circulating track is fixedly connected to the guide rail base, a conveyor belt is arranged along the circulating track, the conveyor belt is driven by a first driving motor, and the jig is connected with the conveyor belt in a driving mode.
3. An automated assembly line for wire bonding of circuit boards as defined in claim 1, wherein: the tension paying-off mechanism comprises a box body, a discharging reel, a wire guide shaft, a first wire lack sensor, a wire correction assembly and a tension rod are sequentially arranged on the box body from bottom to top, a motor is fixedly arranged at the lower end of the other side of the box body, a speed regulator is arranged on the box body, wire paying-off holes are formed in the wire guide shaft and the tension rod, the motor is in transmission connection with the discharging reel, the first wire lack sensor is fixedly connected to the wire correction assembly, the speed regulator is electrically connected with the motor, the wire guide shaft and the tension rod are rotatably arranged on the box body, and the wire correction assembly is fixedly connected to the box body.
4. An automated assembly line for wire bonding of circuit boards as defined in claim 1, wherein: the wire cutting and peeling tin dipping mechanism comprises a machine body, two groups of tin wire unreeling mechanisms are fixedly mounted on the machine body, the two groups of tin wire unreeling mechanisms are used for loading tin wire rolls and conveying tin wires to two groups of tin melting mechanisms below, a wire cutting and peeling mechanism mounted on the machine body is arranged between the tin wire unreeling mechanisms and the tin melting mechanisms, a first rotary tin dipping mechanism and a second rotary tin dipping mechanism are respectively arranged on the left side and the right side of the wire cutting and peeling mechanism, the first rotary tin dipping mechanism and the second rotary tin dipping mechanism are rotatably arranged on the machine body, the first rotary tin dipping mechanism comprises a wire feeding assembly, the wire feeding assembly is used for driving wires passing through the wire feeding assembly to move along the length direction of the wires, and the second rotary tin dipping mechanism comprises a clamping assembly capable of translating, and the clamping assembly is used for clamping wire ends from the first rotary tin dipping mechanism.
5. The automated assembly line for bonding wires of circuit boards of claim 1, wherein the wire warpage detection mechanism comprises a bracket on which a first CCD image sensor for horizontally detecting warpage and a second CCD image sensor for vertically detecting warpage are slidably disposed.
6. An automated assembly line for wire bonding of circuit boards as defined in claim 1, wherein: the visual positioning welding mechanism comprises a bottom plate, a displacement module is arranged on the upper side of the bottom plate, a second driving motor is fixedly arranged on one side of the displacement module, an oblique tin wire unreeling mechanism is arranged on the upper side of the displacement module, a welding mechanism is arranged on one side of the oblique tin wire unreeling mechanism, a grabbing mechanism is arranged in front of the welding mechanism, and the grabbing mechanism is fixedly connected to the bottom plate.
7. An automated assembly line for bonding wires of circuit boards as recited in claim 2, wherein: the base includes the bottom block, the bottom block downside is connected with a plurality of leading wheels that match with the circulation track, be equipped with the oil circuit oilhole in the bottom block, bottom block one side is provided with the locating piece, bottom block one side is provided with the connecting block, the connecting block is connected with the conveyer belt and is provided with buffer spring between the two, be provided with the response piece on the tool, circulation track one side is provided with response piece complex inductive switch, be provided with U type constant head tank on the locating piece, relative fixedly connected with base on the bottom block, install the bearing in the base, be provided with the mounting hole on the bottom block, set up the spacing spring round pin of relative setting in the mounting hole, clamping seat downside fixedly connected with roating seat, the roating seat has a decurrent rotation axis, the rotation axis passes from the bearing and stretches into in the mounting hole, the rotation axis is provided with the spacing hole that matches with spacing spring round pin, be provided with a pair of elasticity grip block on the clamping seat.
8. An automated assembly line for wire bonding of circuit boards as defined in claim 3, wherein: the utility model discloses a wire feeding reel, including blowing spool, wire axle, fixed block, movable block, wire shaft, spring, fixed block, wire shaft one end is provided with the locating part outside, wire shaft one end is passed through the rotatable connection of bearing on the box, wire assembly fixed connection is on the box, wire assembly is including fixed block and movable block, movable block and fixed block sliding connection, all be provided with a plurality of vertical school line wheels of arranging on fixed block and the movable block, movable block fixedly connected with guide pillar, be provided with the sliding sleeve that matches with the guide pillar on the fixed block, including the gag lever post that passes through the fixed block, spring is installed to gag lever post one end, gag lever post other end fixed connection is at the movable block, the fixed block lower extreme sets up the fixed bolster, first wire lack inductor is fixed to be set up on the fixed bolster, the axis of rotation is connected to the tension rod lower extreme, and this axis passes through the rotatable setting of bearing on the box, the upper end of tension rod is provided with the thin axle, thin axle one end is passed through the rotatable connection of bearing on the tension rod, the thin axle other end is provided with the second unwrapping wire hole.
9. An automated assembly line for bonding wires of circuit boards as defined in claim 4, wherein: the tin wire unreeling mechanism comprises a base plate, a tin unreeling reel, a first wire guide shaft, a second wire lacking sensor and a second wire guide shaft are sequentially and fixedly arranged on the base plate from top to bottom, a wire feeding wheel set is arranged between the second wire lacking sensor and the second wire guide shaft, the wire feeding wheel set is fixedly arranged on a machine body, the wire cutting and peeling mechanism comprises a cutter driving assembly, a cutter assembly and a wire twisting block assembly, the cutter driving assembly is fixedly arranged in the machine body, the cutter assembly and the wire twisting block assembly are in transmission connection through the cutter driving assembly, the cutter assembly comprises an upper cutter set and a lower cutter set which are oppositely arranged from top to bottom, the cutter driving assembly can drive the upper cutter set and the lower cutter set to open and close a wire, the cutter driving assembly is in transmission connection with a first rotary device, the first rotary device is driven by a first rotary motor, the first rotary motor is fixedly arranged in the machine body, the wire feeding assembly comprises a conveying wheel set and a cylinder fixedly arranged below the wire feeding wheel set, the cylinder is fixedly connected with a wire outgoing module, the wire outgoing motor is arranged in the wire outgoing motor, the wire outgoing motor comprises a conveying wheel set, the conveying mechanism comprises a plurality of conveying wheels, the second rotary device is arranged in the welding pool is in the welding pool, the welding pool is fixedly arranged on one side of the welding pool, the welding pool is fixedly connected with the welding pool, the welding pool is provided with a horizontal welding device is arranged on one side, the welding pool is fixedly and comprises a welding device, the welding device is arranged on one side, the welding pool is horizontally, and a welding device is arranged on the welding device, and the welding device is arranged on one side, and the welding pool is arranged, and a heating mechanism, and comprises a heating mechanism, and a heating mechanism is arranged. The machine body lower part is provided with a plurality of supporting blocks, supporting blocks and machine body fixed connection, supporting blocks outside sliding connection has the support frame, fixedly provided with the shear pin on the support frame, support frame rear side fixedly connected with X axle module, sliding connection has the Z axle module on the X axle module, Z axle module sliding connection has a snatch manipulator, machine body below drive is connected with a jacking jar, it can do the three pairs of cutters of relative opening and shutting motion to dispose respectively on cutter group and the lower cutter group, including being located a pair of cutter of cutting the centre and being located two pairs of cutters of skinning of both sides, skinning the cutter and cutting the edge of a knife of cutter and be provided with the cutting groove.
10. An automated assembly line for bonding wires of circuit boards as recited in claim 6, wherein: the displacement module comprises a guide rail, sliding connection has the slider on the guide rail, fixedly connected with lead screw slip table on the slider, lead screw slip table is connected with lead screw transmission, lead screw one end is connected with second driving motor transmission, the oblique tin silk unreeling mechanism includes two fixedly arranged support curb plates, welding mechanism includes first connecting plate, first connecting plate one side fixedly connected with second connecting plate, second connecting plate downside fixedly connected with accepting piece, fixedly connected with vision positioning sensor on the accepting piece, first motion subassembly of connecting block one side fixedly connected with, the action end fixedly connected with of first motion subassembly is a bending type output piece, fixedly connected with welder mounting panel on the output piece, welder mounting panel internal fixation is provided with a welder, fixedly provided with a wire passing block on the welder, be provided with a tin wire hole in the wire passing block in addition, be provided with tube hole in tin wire hole one side, snatch mechanism includes the basic block, fixedly connected with first connecting rod one side, fixedly connected with first rotary motion holder fixedly connected with first connecting rod, second rotary motion holder fixedly connected with first clamping jaw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310607630.4A CN117042435A (en) | 2023-05-26 | 2023-05-26 | Automatic assembly line for circuit board bonding wires |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310607630.4A CN117042435A (en) | 2023-05-26 | 2023-05-26 | Automatic assembly line for circuit board bonding wires |
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| Publication Number | Publication Date |
|---|---|
| CN117042435A true CN117042435A (en) | 2023-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310607630.4A Pending CN117042435A (en) | 2023-05-26 | 2023-05-26 | Automatic assembly line for circuit board bonding wires |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117444344A (en) * | 2023-12-22 | 2024-01-26 | 惠州市炬能量电子科技有限公司 | Full-automatic feeding structure for bonding wires of LED devices |
-
2023
- 2023-05-26 CN CN202310607630.4A patent/CN117042435A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117444344A (en) * | 2023-12-22 | 2024-01-26 | 惠州市炬能量电子科技有限公司 | Full-automatic feeding structure for bonding wires of LED devices |
| CN117444344B (en) * | 2023-12-22 | 2024-04-26 | 惠州市炬能量电子科技有限公司 | Full-automatic feeding structure for bonding wires of LED devices |
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