CN107086191A - Lead frame auto loading machine - Google Patents
Lead frame auto loading machine Download PDFInfo
- Publication number
- CN107086191A CN107086191A CN201710279421.6A CN201710279421A CN107086191A CN 107086191 A CN107086191 A CN 107086191A CN 201710279421 A CN201710279421 A CN 201710279421A CN 107086191 A CN107086191 A CN 107086191A
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- Prior art keywords
- lead frame
- auto loading
- movable block
- drive
- platform
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67144—Apparatus for mounting on conductive members, e.g. leadframes or conductors on insulating substrates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/74—Apparatus for manufacturing arrangements for connecting or disconnecting semiconductor or solid-state bodies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/74—Apparatus for manufacturing arrangements for connecting or disconnecting semiconductor or solid-state bodies
- H01L24/78—Apparatus for connecting with wire connectors
Abstract
The invention discloses a kind of lead frame auto loading machine, its drip irrigation device is:Including frame, it is sequentially arranged in the feeding device in frame, track conveying device, welder and auto loading device, track conveying device includes the delivery track being connected between feeding device and auto loading device, the case closely covered on delivery track, for promoting lead frame to push away the delivery device toward auto loading device from feeding device along delivery track, case upper surface offers the chute feeder and welding groove communicated with casing interior, chute feeder is arranged along lead frame conveying direction and is available for delivery device to stretch into promote lead frame, welding groove is located at below welder and is available for welder to be subjected to, delivery track is located at one section before welder provided with heating plate and to the feeder that protective gas is provided in case.Its case can reduce scattering and disappearing for heat, and be filled with after protective gas and can reduce the heated oxide of lead frame.
Description
Technical field
The present invention relates to leadframe die welding field, more particularly to a kind of lead frame auto loading machine.
Background technology
Lead frame is the carrier of IC chip, be one kind by means of bonding material（Spun gold, aluminium wire, copper wire）Realize
The electrical connection of chip internal circuits exit and outer lead, forms the key structure part of electric loop, and it is served and outside
It is required for using lead frame in the function served as bridge of wire connection, most semiconductor integrated blocks, is electronics and information industry
In important basic material.Chip thereon is fixed in lead frame by the form of welding mostly.
At present, notification number discloses a kind of integrated circuit chip loader framework delivery system for CN102315133A Chinese patent
System, it mainly includes feed mechanism, rail mechanism, cutting agency and feeding sensor, rail sensor, blanking sensor.
After startup power supply, software passes through feeding sensor, rail sensor, blanking sensor, collection status information, Ran Houfen
Not Kong Zhi feeding manipulator, driving element, blanking mechanical hand generation action, take out lead frame from upper magazine, pass to track
In mechanism, paster operation is carried out, is finally put into blanking box, complete the course of conveying of the lead frame of a cycle.
In order to which the internal circuit exit of chip preferably can be combined with outer lead, the shape generally welded with slicken solder
Formula is fixed, still, if carrying out welding processing in above-mentioned rail mechanism, has lacked the heated oxide guarantor to lead frame
The welding quality of shield, influence chip and lead frame.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the invention to provide a kind of lead frame auto loading machine, its
The welding quality of chip and lead frame is high.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of lead frame auto loading machine, including frame, the feeding device being sequentially arranged in frame, track conveying device, weldering
Connection device and auto loading device, track conveying device include the conveyor track being connected between feeding device and auto loading device
Road, the case closely covered on delivery track, for promoting lead frame to be pushed away from feeding device toward automatic dress along delivery track
The delivery device of sheet devices, case upper surface offers the chute feeder and welding groove communicated with casing interior, and chute feeder is along lead
Framework conveying direction arranges and is available for delivery device to stretch into promote lead frame, and welding groove is located at below welder and is available for
Welder is subjected to, and delivery track is located at one section before welder provided with heating plate and to being carried in case
For the feeder of protective gas.
By above-mentioned technical proposal, in lead frame from during feeding device is sent at welder, heating plate pair
Lead frame on delivery track can be preheated, and lead frame begins to slowly heat up when entering in case, works as arrival
When at welder, the temperature of lead frame reaches preferable welding temperature, can improve the welding of chip on the lead frames
Quality and welding efficiency；Herein, on the one hand case tightly covers on conveying, it is possible to reduce heat scatters and disappears, to drawing
The pre-heat effect of wire frame is good；On the other hand, the protective gas that feeder is filled with can be full of in case, greatly reduced
The heated oxide of lead frame, protects the welding quality of solder joint, while reducing the oxidation of lead frame, greatly improves chip and draws
The welding quality of wire frame；In addition, during the work of lead frame auto loading machine, lead frame can be stacked at feeding device in advance
In, after start, by feeding device from feeding in trend track conveying device, delivery device is by lead frame from feeding device one end
Auto loading device one end is sent to, during this, welder carries out automatic welding to the lead frame for entering welding groove in conveying
Connect, weld the lead frame completed through carrying out auto loading in track conveying device feeding auto loading device, whole process is complete
It is automatically performed, automaticity is high, high in machining efficiency.
It is preferred that, movable block that delivery device includes can moving along conveying length direction, along conveying length side
The shifting axle that can be circumferentially rotated on movable block to being arranged in, it is fixed on the promotion to promote lead frame to move on shifting axle
Arm, in frame to drive the first drive division that movable block moves, be fixed on movable block to drive shifting axle circumferential
The second drive division rotated, shifting axle is provided with the limiting section for producing axial displacement with movable block to limit shifting axle, promotes
The one end of arm away from shifting axle is provided with the push rod that lead frame reach is promoted to stretch into chute feeder.
By above-mentioned technical proposal, shifting axle is arranged on movable block, and shifting axle is by limiting section axial limiting in movement
Block, i.e. shifting axle can be circumferentially rotated freely, while can moved with the movement of movable block；Delivery device is to lead frame
Push process is as follows：
First, in the presence of the second drive division, push rod is rotated towards lead frame, namely is turned downward, and is stretched into chute feeder, from
And push rod can be against the left surface of lead frame；
Then, in the presence of the first drive division, push rod moves right, so as to promote lead frame to the segment distance of right translation one；
Then, the second drive division drives shifting axle to rotate backward, even if also push rod is lifted upwards, so as to depart from lead frame；
Finally, the first drive division drives shifting axle to be moved to the left and return back to initial position, carries out next cycle action；
Like this, push rod is fed repeatedly, realizes stepping of the lead frame on conveying, and feeding process is smooth, the dead time
It is controllable, it is easy to welding operation.
It is preferred that, the first drive division includes being arranged on movable block and to drive movable block along conveying length direction
The drive screw of motion, the first motor for driving drive screw positive and negative rotation, length direction of the frame along conveying according to
Secondary to be placed with the first photoelectric sensor and the second photoelectric sensor, movable block is provided with and the first photoelectric sensor and the second photoelectricity
The first photoelectricity catch that sensor coordinates.
By above-mentioned technical proposal, by the first photoelectricity catch respectively with the first photoelectric sensor and the second photoelectric sensor
Use cooperatively, reach the effect of control movable block displacement, namely control the actuating length of each lead frame.
It is preferred that, driven disc that the second drive division includes being fixed on shifting axle, on movable block and after powered up may be used
Adsorb and the 3rd photoelectric sensor is additionally provided with the electromagnet of driven disc, movable block, shifting axle is provided with and the 3rd photoelectric sensor
The the second photoelectricity catch used cooperatively.
By above-mentioned technical proposal, electromagnet, which is powered, can produce larger magnetic force, driven disc be adsorbed, so as to realize
The circumferentially rotating of shifting axle；After electromagnet dead electricity, magnetic force disappears, and transfer arm again can be from trend in the presence of self gravitation
Lower to rotate, it is achieved thereby that the positive and negative rotation of shifting axle, simple to operate, power is reliable.
It is preferred that, limiting section includes being fixed on shifting axle and is located at the first baffle ring of movable block side, is fixed on movement
On axle and positioned at the second baffle ring of movable block opposite side, the second baffle ring is provided with the compression spring to prop up movable block side.
By above-mentioned technical proposal, the first baffle ring and the second baffle ring are both secured on shifting axle, and two baffle rings press from both sides movable block
In centre, thus play limitation shifting axle and movable block mutually produce axial displacement；Herein, compression spring is set up, can moved
Motion block to the second baffle ring side move when, play certain cushioning effect, reduce because stuck when push rod site error move, card is bad
Phenomenon occur.
It is preferred that, the inner surface of case is provided with the shield to block chute feeder, shutter along the length side of chute feeder
The kidney slot moved to offering for push rod, shield is provided with the cover plate to cover kidney slot, and push rod is through cover plate and stretches into
In kidney slot, when push rod moves along kidney slot and promotes the lead frame to move forward, cover plate covers kidney slot all the time.
By above-mentioned technical proposal, push rod is through cover plate and stretches into kidney slot；When push rod is moved along kidney slot, cover plate
Moved together with push rod and cover kidney slot all the time, good realizes the space-closed of case, so as to preferably pin
Heat in case, reduces thermal loss, it is ensured that welding quality.
It is preferred that, feeding device include be undertaken in track conveying device the last period platform to be transported, positioned at wait transport put down
Platform side and the material lodging bench to deposit lead frame, delivery track extend to close to one end of platform to be transported and wait to transport
On platform, platform to be transported is provided with pusher cylinder, and the cylinder rod of pusher cylinder is provided with to promote lead frame along conveying
The pushing block that guide rail is moved into case, material lodging bench is provided with blowing inclined-plane, along the gradient direction on blowing inclined-plane provided with transmission
Belt, material lodging bench, which is provided with to be fixed with to hold in the palm on the second motor to drive driving belt to move, driving belt, to exist
It is additionally provided with and is used on lead frame bottom on blowing inclined-plane and the jacking plate to promote lead frame to rise, material lodging bench
Lead frame on blowing inclined-plane is transported to the transshipment acitivity on platform to be transported.
By above-mentioned technical proposal, platform to be transported mutually is connected with the head end of track conveying device, and material storage platform is then
It is connected in the side of platform to be transported；
The course of work of feeding device is as follows：
First, lead frame is stacked on blowing inclined-plane, and numerous lead frames fallen together are lived by jacking plate support；During startup,
In the presence of the second motor, driving belt drives jacking plate to rise, when lead frame is risen to close to platform to be transported
When, stop motion；Now, transshipment acitivity is worked, and the lead frame on blowing inclined-plane is transported to the conveyor track of platform to be transported
On road；Finally, in the presence of pusher cylinder, pushing block promotes lead frame to be sent into along conveying in case；
Said process is automatically performed, and automaticity is high, greatly improves production efficiency.
It is preferred that, transshipment acitivity includes the rotating bar being rotationally connected with material lodging bench, the suction being fixed in rotating bar
Material bar, the 3rd motor on material lodging bench and to drive rotating bar to rotate, suction bar are provided with to hold
The air intake duct of lead frame, can make suction bar draw lead frame from blowing inclined-plane and be transported to transport by rotary motion bar
On the conveying of platform.
By above-mentioned technical proposal, when needing to carry out lead frame transhipment, the 3rd motor drives rotating bar court to put
Expect that bevel direction is rotated, so that the surface of the air intake duct contact lead-wire framework in suction bar, and hold；Then, the 3rd driving electricity
Machine drives rotating bar to rotate backward, and when lead frame is ridden on conveying, air intake duct stops suction, you can treat pushing block pair
Lead frame is promoted.
It is preferred that, auto loading device include be undertaken in latter section of track conveying device photo mounting stand, along photo mounting stand height
The vertical guide bracket of direction setting, sliding are connected to vertical guide bracket and are used to and the relative mounting box connect of conveying, driving
Box body arrangement platform is additionally provided with the 3rd drive division that mounting box moves up and down, photo mounting stand and to promote mounting box to depart from
Vertical guide bracket and the fourth drive part being arranged on box body arrangement platform.
By above-mentioned technical proposal, after the completion of lead frame welding processing, in the presence of delivery device, lead frame
It can be pushed into mounting box；When lead frame is pushed away in a piece of entrance mounting box, mounting box i.e. in the presence of the 3rd drive division to
Lower motion one end, is easy to the loading of next lead frame；After mounting box fills lead frame, namely mounting box departs from vertical
During guide bracket, mounting box is pushed away from vertical guide bracket automatically in the presence of fourth drive part, is easy to next mounting box
Load, simple to operate, fast, automaticity is high.
It is preferred that, the 3rd drive division includes the driving cog to hold the supporting plate of mounting box bottom, be connected to supporting plate top
Article, the drive gear that is meshed with driving rack, the 4th motor for driving drive gear to rotate, fourth drive part includes position
The dragging plate of platform side, driving dragging plate are arranged away from box body in mounting box and drives mounting box towards box body arrangement platform direction fortune
The drive cylinder for moving and being arranged on box body arrangement platform.
By above-mentioned technical proposal, supporting plate controls it to move up and down by the cooperation of rack-and-pinion, position precise control；Together
When, the mounting box for filling lead frame can be released by vertical guide bracket with quick response by drive cylinder.
Brief description of the drawings
Fig. 1 is the overall structure diagram of embodiment；
Fig. 2 is the structural representation at embodiment middle orbit conveying device；
Fig. 3 is A portions enlarged drawing in Fig. 2；
Fig. 4 is the partial structural diagram at delivery device in embodiment；
Fig. 5 is the structural representation at feeding device in embodiment；
Fig. 6 is the structural representation of welder and auto loading device in embodiment；
Fig. 7 is the structural representation at auto loading device in embodiment.
Reference：1st, frame；2nd, chute feeder；3rd, welding groove；4th, feeding device；41st, platform to be transported；42nd, material is deposited
Put platform；5th, track conveying device；51st, delivery track；52nd, case；53rd, delivery device；531st, movable block；532nd, shifting axle；
533rd, arm is promoted；534th, the first drive division；5341st, drive screw；5342nd, the first motor；535th, the second drive division；
5351st, driven disc；5352nd, electromagnet；6th, welder；61st, wire feeder structure；62nd, articles holding table；63rd, welding mechanism；631、
Welding gun；632nd, cross slid platform；7th, auto loading device；71st, photo mounting stand；72nd, vertical guide bracket；73rd, mounting box；74th, the 3rd drive
Dynamic portion；741st, supporting plate；742nd, driving rack；743rd, drive gear；744th, the 4th motor；8th, limiting section；81st, first gear
Ring；82nd, the second baffle ring；83rd, compression spring；9th, transshipment acitivity；91st, rotating bar；92nd, suction bar；93rd, the 3rd motor；10、
Kidney slot；11st, cover plate；12nd, heating plate；13rd, feeder；14th, gas delivery header；15th, push rod；16th, line rail；17th, linear slide block；
18th, the first photoelectric sensor；19th, the second photoelectric sensor；20th, the first photoelectricity catch；21st, the 3rd photoelectric sensor；22nd, second
Photoelectricity catch；23rd, pusher cylinder；24th, pushing block；25th, blowing inclined-plane；26th, driving belt；27th, the second motor；28th, hold in the palm
Top plate；29th, air intake duct；30th, tooth lattice；31st, box body arrangement platform；32nd, fourth drive part；321st, dragging plate；322nd, drive cylinder；
33rd, the 4th photoelectric sensor；34th, shield；100th, lead frame.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Lead frame auto loading machine as shown in Figure 1, including frame 1, be sequentially arranged in frame 1 feeding device 4,
Track conveying device 5, welder 6 and auto loading device 7.During work：First, lead frame 100 is positioned over feeding device 4
In and from feeding device 4 into track conveying device 5 feeding；Then, track conveying device 5 fills lead frame 100 from feeding
Put 4 one end and be sent to the one end of auto loading device 7；Wherein, welder 6 is located between feeding device 4 and auto loading device 7,
To complete welding of the chip on lead frame 100；Finally, the lead frame 100 that welding is completed is sent through track conveying device 5
Enter and auto loading is carried out in auto loading device 7, whole process is automatically finished.
Described in detail below for each device：
Track conveying device 5 as shown in Figures 2 and 3, including be connected to defeated between feeding device 4 and auto loading device 7
Send track 51, the case 52 closely covered on delivery track 51, for promoting lead frame 100 from feeding along delivery track 51
Device 4 pushes away the delivery device 53 toward auto loading device 7.The upper surface of case 52 is offered with communicating chute feeder 2 inside case 52
With welding groove 3, chute feeder 2 is arranged along the conveying direction of lead frame 100, and the inner surface of case 52 is provided with to block chute feeder 2
Shield 34, offered along the length direction of chute feeder 2 on shutter and be equipped with to cover kidney slot on kidney slot 10, shield 34
10 cover plate 11.Welding groove 3 is then located at the lower section of welder 6.Herein, delivery track 51 be located at welder 6 before one section set
There is heating plate 12, heating plate 12 is located between two delivery tracks 51 to be preheated to lead frame 100.In addition, seeing attached
It is additionally provided with Fig. 6, frame 1 to give case 52 the interior feeder 13 for providing protective gas, close to welder 6 on case 52
Place is provided with to the internal ventilation of case 52 and to be connected to the gas delivery header 14 of feeder 13.Herein, gas is nitrogen and hydrogen mixture
Body, the content of hydrogen is in the range of 7% ~ 15%.
Wherein, referring to accompanying drawing 2 and 4, delivery device 53 includes movable block 531, shifting axle 532, promotes arm 533, to drive
The first drive division 534, the second drive division 535 to drive shifting axle 532 to circumferentially rotate that dynamic movable block 531 is moved.It is mobile
Block 531 can be moved along conveying length direction, and shifting axle 532 is arranged on movable block 531 and can freely circumferentially rotated, and mobile
Axle 532 is across whole track conveying device 5；Shifting axle 532 is provided with to limit shifting axle 532 and the generation axle of movable block 531
To the limiting section 8 of displacement.Herein, limiting section 8 includes being fixed on shifting axle 532 and positioned at the first gear of the side of movable block 531
Ring 81, the second baffle ring 82 for being fixed on shifting axle 532 and being located at the opposite side of movable block 531, the second baffle ring 82, which is provided with, to be used to
Prop up the compression spring 83 of the side of movable block 531.Promote arm 533 to be then fixed on shifting axle 532, promote arm 533 away from mobile
One end of axle 532 is provided with to stretch into chute feeder 2 push rod 15 for promoting lead frame 100 to move forward；Herein, cover plate 11 is provided with
The circular hole passed through for push rod 15, push rod 15 is through cover plate 11 and stretches into kidney slot 10；When push rod 15 is moved along kidney slot 10,
Cover plate 11 moves and covers kidney slot 10 all the time together with push rod 15.
Wherein, the first drive division 534 includes being arranged on movable block 531 and to drive movable block 531 along conveying
The drive screw 5341 of length direction motion, the first motor 5342 for driving the positive and negative rotation of drive screw 5341, herein, drive
Belt pulley is equipped with the end of dynamic screw mandrel 5341 and the motor shaft of the first motor 5342, the first motor 5342 passes through
Belt pulley delivers power to drive screw 5341.In order to allow movable block 531 to move more steady, the lower section of movable block 531,
It is connected with upside along the sliding that is axially arranged with line rail 16, line rail 16 of shifting axle 532 and is fixed on the linear of the lower surface of movable block 531
Sliding block 17.In addition, length direction of the frame 1 along conveying is placed with the first photoelectric sensor 18 and the second photoelectric sensing successively
Device 19, movable block 531 is provided with the first photoelectricity catch 20 coordinated with the first photoelectric sensor 18 and the second photoelectric sensor 19.
Driven disc 5351 that second drive division 535 includes being fixed on shifting axle 532, on movable block 531 and logical
The 3rd photoelectric sensor 21, shifting axle 532 are additionally provided with after electricity on the electromagnet 5352 of adsorbable driven disc 5351, movable block 531
Provided with the second photoelectricity catch 22 used cooperatively with the 3rd photoelectric sensor 21.
Herein, the motion process of track conveying device 5 is as follows：
When initial, the first photoelectricity catch 20 faces the first photoelectric sensor 18, the second photoelectricity catch 22 and the 3rd photoelectric sensing
The mutual dislocation of device 21；Now, catch bar stretches into chute feeder 2 and contradicts the side of lead frame 100；
Then, the first motor 5342 rotates forward and drives movable block 531 to be moved towards the direction of welder 6, so as to drive
Push rod 15 is set to promote lead frame 100 to the right；Herein, the first motor 5342 can be rotated forward first, be stopped,
Rotate forward, stop again；Namely push rod 15 promotes lead frame 100 after a segment distance, a period of time can be stopped
Weld job is carried out to one of pad of lead frame 100 for welder 6, then, then a small distance is promoted simultaneously
Stop supplying welder 6 to carry out weld job to another pad of same lead frame 100；
Now, the first photoelectricity catch 20 faces the electric signal that the second photoelectric sensor 19 triggers the second photoelectric sensor 19, the
Two photoelectric sensors 19 give the electric signal of electromagnet 5352, the energization of electromagnet 5352 is produced magnetic force and is adsorbed driven disc 5351,
Driven disc 5351 drives shifting axle 532 to rotate, so as to drive push rod 15 to lift disengaging lead frame 100 upwards；
Now, the second photoelectricity catch 22 faces the 3rd photoelectric sensor 21 and triggers its electric signal, the 3rd photoelectric sensor 21
The electric signal of the first motor 5342 is given, the first motor 5342 is inverted and drives movable block 531 to be moved to the left, from
And drive push rod 15 to carry out returning back to initial position to the left；
When push rod 15 namely movable block 531 return back to initial position, the first photoelectricity catch 20 faces the first photoelectric transfer again
Sensor 18, the first photoelectric sensor 18 gives the electric signal of electromagnet 5352, and electromagnet 5352 is powered off, so that in the effect of gravity
Under, push rod 15 rotates down conflict lead frame 100, the action of pending next cycle again.
Feeding device 4 as shown in Figure 5, including it is undertaken in the platform to be transported 41 of the last period of track conveying device 5, position
In the side of platform to be transported 41 and material lodging bench 42 to deposit lead frame 100, delivery track 51 is close to waiting to transport flat
One end of platform 41 is extended on platform 41 to be transported, and platform 41 to be transported is provided with pusher cylinder 23, the cylinder of pusher cylinder 23
Bar is provided with the pushing block 24 to promote lead frame 100 to be moved into along conveying in case 52, material lodging bench 42 and set
There is blowing inclined-plane 25, driving belt 26 is provided with along the gradient direction on blowing inclined-plane 25, material lodging bench 42 is provided with to drive
Lead frame of the support on blowing inclined-plane 25 is fixed with the second motor 27 that driving belt 26 is moved, driving belt 26
100 bottoms and the jacking plate 28 to promote lead frame 100 to rise, are additionally provided with material lodging bench 42 to by blowing inclined-plane
Lead frame 100 on 25 is transported to the transshipment acitivity 9 on platform 41 to be transported.
Wherein, transshipment acitivity 9 includes rotating bar 91, suction bar 92, the 3rd driving electricity to drive rotating bar 91 to rotate
Machine 93.3rd motor 93 is fixed on material lodging bench 42, and one end of rotating bar 91 is connected to the 3rd motor 93
Motor shaft, the other end is rotationally connected with material lodging bench 42；Suction bar 92 is then fixed in rotating bar 91, the length of suction bar 92
Spend length direction of the direction along conveying to set, and be placed with to hold lead frame along the length direction of suction bar 92
100 air intake duct 29, can make suction bar 92 draw lead frame 100 from blowing inclined-plane 25 and transport by rotary motion bar 91
On to the conveying for transporting platform.
Herein, the motion process of feeding device 4 is as follows：
First, lead frame 100 is stacked on blowing inclined-plane 25, and numerous lead frames fallen together are held by jacking plate 28
100；During startup, in the presence of the second motor 27, driving belt 26 drives jacking plate 28 to rise, when lead frame 100
When rising to close to whne transport platform 41, stop motion；Now, transshipment acitivity 9 works, and the 3rd motor 93 drives rotating bar
91 rotate towards the direction of blowing inclined-plane 25, so that the surface of the contact lead-wire framework 100 of air intake duct 29 in suction bar 92, and hold；
Then, the 3rd motor 93 drives rotating bar 91 to rotate backward, when lead frame 100 is ridden on conveying, air intake duct
29 stop suction, even if the lead frame 100 on blowing inclined-plane 25 is transported on the delivery track 51 of platform 41 to be transported；Most
Afterwards, in the presence of pusher cylinder 23, pushing block 24 can promote lead frame 100 to be sent into along conveying in case 52.
Welder 6 as shown in Figure 6, including wire feeder structure 61, the articles holding table 62 to load chip, be used to
Chip is removed from articles holding table 62 and stretches into welding groove 3 welding mechanism 63 that is welded in chip on lead frame 100.Wherein, weld
Connection mechanism 63 includes the cross slid platform 632 that welding gun 631 and driving welding gun 631 are moved in perpendicular, and welding gun 631 is air gun,
To draw the chip on articles holding table 62；Articles holding table 62 can be moved along X, Y-axis and is placed with articles holding table 62 in the horizontal plane
Chip to be welded.Wire feeder structure 61 is welding wire is sent into case 52, when the lead frame 100 of welding wire contact heating,
Welding wire can be melted on lead frame 100.
During work, wire feeder structure 61 first sends into one section of welding wire in case 52, and welding wire contact lead-wire framework 100 is i.e. molten
On the correspondence position of lead frame 100；Then, in the presence of delivery device 53, by the molten lead frame 100 for having a solder to weldering
Pushed at access slot 3；Then, welding gun 631 moves towards tray and draws the chip on tray；Finally, welding gun 631 stretches into welding
In groove 3 and the chip of absorption is placed on to melt to have and completes weld job on the lead frame 100 of solder.
Auto loading device 7 as seen in figs. 6 and 7, including it is undertaken in the photo mounting stand of latter section of track conveying device 5
71st, the vertical guide bracket 72 that is set along the short transverse of photo mounting stand 71, sliding are connected to vertical guide bracket 72 and are used to and conveying is led
Even partition is useful in the 3rd drive division 74 that the relative mounting box 73 connect of rail, driving mounting box 73 move up and down, mounting box 73
To load the tooth lattice 30 of lead frame 100；Box body arrangement platform 31 is additionally provided with photo mounting stand 71 and to promote mounting box 73
The fourth drive part 32 for departing from vertical guide bracket 72 and being arranged on box body arrangement platform 31.
Wherein, the 3rd drive division 74 is included to hold the supporting plate 741 of the bottom of mounting box 73, be connected to the top of supporting plate 741
Driving rack 742, be meshed with driving rack 742 drive gear 743, drive drive gear 743 rotate the 4th driving
Motor 744.Fourth drive part 32 includes being located at dragging plate 321 of the mounting box 73 away from box body arrangement platform 31 side, drives and drag
Dynamic plate 321 drives mounting box 73 to arrange the drive cylinder that the direction of platform 31 is moved and is arranged on box body arrangement platform 31 towards box body
322.Herein, the bottom of vertical guide bracket 72 is located at the porch of mounting box 73 provided with the 4th photoelectric sensor 33；Work as lead frame
When frame 100 is completely fed into mounting box 73, the 4th photoelectric sensor 33 is just sensed less than lead frame 100, now, 4 wheel driven
Dynamic motor 744 can drive the height of the one tooth lattice 30 of decline of supporting plate 741.
During work, the lead frame 100 of chip has been welded in the presence of delivery device 53, and mounting box 73 is pushed into step by step
Tooth lattice 30 in；When one group of lead frame 100 is entirely enclosed in the tooth lattice 30 of mounting box 73, the 4th photoelectric sensor 33 is given
The electric signal of 4th motor 744, so that the 4th motor 744 drive supporting plate 741 moves down the distance of a tooth lattice 30；
When mounting box 73 departs from downwards from vertical guide bracket 72 completely, drive cylinder 322 drives dragging plate 321 to bounce back, so as to drag
Mounting box 73 is pushed on box body arrangement platform 31 by dynamic plate 321；Herein, it can be placed again into down from the vertical top of guide bracket 72
One mounting box 73 carries out load.
Described above is only the exemplary embodiment of the present invention, not for limiting the scope of the invention, this hair
Bright protection domain is determined by appended claim.
Claims (10)
1. a kind of lead frame auto loading machine, including frame (1), the feeding device (4), the track that are sequentially arranged in frame (1)
Conveying device (5), welder (6) and auto loading device (7), it is characterized in that：Track conveying device (5) includes being connected to
Expect the delivery track (51) between device (4) and auto loading device (7), the case closely covered on delivery track (51)
(52), for promoting lead frame to push away the delivery device toward auto loading device (7) from feeding device (4) along delivery track (51)
(53), case (52) upper surface offers the chute feeder (2) and welding groove (3) with being communicated inside case (52), chute feeder (2) edge
Lead frame conveying direction arranges and is available for delivery device (53) to stretch into promote lead frame, and welding groove (3) is located at welding and filled
Put below (6) and be available for welder (6) to be subjected to, delivery track (51) be located at before welder (6) one section is set
There is heating plate (12) and to the feeder (13) that protective gas is provided in case (52).
2. lead frame auto loading machine according to claim 1, it is characterized in that：Delivery device (53) includes can be along conveying
Rail length direction motion movable block (531), be arranged on movable block (531) and can circumferentially rotate along conveying length direction
Shifting axle (532), be fixed on shifting axle (532) to promote lead frame move promotion arm (533), located at frame
(1) to drive mobile the first drive division (534) of movable block (531), be fixed on movable block (531) to drive movement on
The second drive division (535) that axle (532) is circumferentially rotated, shifting axle (532) is provided with to limit shifting axle (532) and movable block
(531) limiting section (8) of axial displacement is produced, promotes the one end of arm (533) away from shifting axle (532) to be provided with to stretch into feeding
The push rod (15) of lead frame reach is promoted in groove (2).
3. lead frame auto loading machine according to claim 2, it is characterized in that：First drive division (534) includes wearing
In on movable block (531) and to drive the drive screw (5341), band that movable block (531) moves along conveying length direction
First motor (5342) of dynamic drive screw (5341) positive and negative rotation, length direction of the frame (1) along conveying is successively
The first photoelectric sensor (18) and the second photoelectric sensor (19) are placed with, movable block (531) is provided with and the first photoelectric sensing
The first photoelectricity catch (20) that device (18) and the second photoelectric sensor (19) coordinate.
4. lead frame auto loading machine according to claim 3, it is characterized in that：Second drive division (535) includes fixing
In the driven disc (5351) on shifting axle (532), on movable block (531) and after powered up adsorbable driven disc (5351)
The 3rd photoelectric sensor (21) is additionally provided with electromagnet (5352), movable block (531), shifting axle (532) is provided with and the 3rd light
The second photoelectricity catch (22) that electric transducer (21) is used cooperatively.
5. lead frame auto loading machine according to claim 2, it is characterized in that：Limiting section (8) includes being fixed on movement
The first baffle ring (81) on axle (532) and positioned at movable block (531) side, it is fixed on shifting axle (532) and positioned at movable block
(531) the second baffle ring (82) of opposite side, the second baffle ring (82) is provided with the compression spring to prop up movable block (531) side
(83)。
6. lead frame auto loading machine according to claim 2, it is characterized in that：The inner surface of case (52), which is provided with, to be used to
Block the waist for being offered on the shield (34) of chute feeder (2), shutter along the length direction of chute feeder (2) and supplying push rod (15) mobile
Shape groove (10), shield (34) is provided with the cover plate (11) to cover kidney slot (10), and push rod (15) is through cover plate (11) and stretches
Enter in kidney slot (10), when push rod (15) moves along kidney slot (10) and promotes the lead frame to move forward, cover plate (11) is covered all the time
Kidney slot (10).
7. lead frame auto loading machine according to claim 1, it is characterized in that：Feeding device (4) includes being undertaken in rail
The platform to be transported (41) of road conveying device (5) the last period, positioned at platform to be transported (41) side and to deposit lead frame
Material lodging bench (42), delivery track (51) extended on platform to be transported (41) close to one end of platform to be transported (41),
Platform (41) to be transported is provided with pusher cylinder (23), and the cylinder rod of pusher cylinder (23) is provided with to promote lead frame edge
The pushing block (24) that conveying is moved into case (52), material lodging bench (42) is provided with blowing inclined-plane (25), oblique along blowing
The gradient direction in face (25) is provided with driving belt (26), and material lodging bench (42) is provided with to drive driving belt (26) to move
The second motor (27), lead frame bottom of the support on blowing inclined-plane (25) is fixed with driving belt (26) and is used to
The jacking plate (28) for promoting lead frame to rise, is additionally provided with material lodging bench (42) to by the lead on blowing inclined-plane (25)
Framework is transported to the transshipment acitivity (9) on platform to be transported (41).
8. lead frame auto loading machine according to claim 7, it is characterized in that：Transshipment acitivity (9), which includes rotating, to be connected
In the rotating bar (91) on material lodging bench (42), the suction bar (92) being fixed in rotating bar (91), located at material lodging bench
(42) the 3rd motor (93) on and to drive rotating bar (91) to rotate, suction bar (92) is provided with to hold lead
The air intake duct (29) of framework, can make suction bar (92) draw lead frame from blowing inclined-plane (25) by rotary motion bar (91)
And be transported on the conveying for transporting platform.
9. lead frame auto loading machine according to claim 1, it is characterized in that：Auto loading device (7) includes accepting
Photo mounting stand (71) in latter section of track conveying device (5), the vertical guide bracket (72) set along photo mounting stand (71) short transverse,
Sliding is connected to vertical guide bracket (72) and is used to conveying the relative mounting box (73) connect, drives above and below mounting box (73)
Box body arrangement platform (31) is additionally provided with 3rd drive division (74) of motion, photo mounting stand (71) and to promote mounting box
(73) vertical guide bracket (72) and the fourth drive part (32) being arranged on box body arrangement platform (31) are departed from.
10. lead frame auto loading machine according to claim 9, it is characterized in that：3rd drive division (74) includes being used to
Hold the supporting plate (741) of mounting box (73) bottom, be connected to the driving rack (742) and driving rack on supporting plate (741) top
(742) drive gear (743) being meshed, the 4th motor (744) for driving drive gear (743) to rotate, the 4th driving
Portion (32) includes being located at dragging plate (321), driving dragging plate (321) that mounting box (73) arranges platform (31) side away from box body
Mounting box (73) is driven to arrange the drive cylinder that platform (31) direction is moved and is arranged on box body arrangement platform (31) towards box body
(322)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710279421.6A CN107086191B (en) | 2017-04-25 | 2017-04-25 | Lead frame auto loading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710279421.6A CN107086191B (en) | 2017-04-25 | 2017-04-25 | Lead frame auto loading machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107086191A true CN107086191A (en) | 2017-08-22 |
| CN107086191B CN107086191B (en) | 2019-08-02 |
Family
ID=59612384
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710279421.6A Active CN107086191B (en) | 2017-04-25 | 2017-04-25 | Lead frame auto loading machine |
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| CN108493143A (en) * | 2018-05-29 | 2018-09-04 | 山东融创电子科技有限公司 | A kind of the contact conductor loading attachment and stowage of diode |
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| CN107946219B (en) * | 2017-12-11 | 2024-01-30 | 扬州扬杰电子科技股份有限公司 | Integrated production equipment for welding surface mount diode |
| CN107946219A (en) * | 2017-12-11 | 2018-04-20 | 扬州扬杰电子科技股份有限公司 | A kind of Integral producing apparatus for the weldering of stamp-mounting-paper diode group |
| CN108493143A (en) * | 2018-05-29 | 2018-09-04 | 山东融创电子科技有限公司 | A kind of the contact conductor loading attachment and stowage of diode |
| CN108689156A (en) * | 2018-05-30 | 2018-10-23 | 常州铭赛机器人科技股份有限公司 | Fluid coater |
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| CN111482377B (en) * | 2019-01-25 | 2022-03-29 | 瀚萱科技有限公司 | Automatic inspection device for lead frame |
| CN111482377A (en) * | 2019-01-25 | 2020-08-04 | 瀚萱科技有限公司 | Automatic inspection device for lead frame |
| CN110610884A (en) * | 2019-10-28 | 2019-12-24 | 四川旭茂微科技有限公司 | Coating film chip adhesion device |
| CN112018003A (en) * | 2020-09-02 | 2020-12-01 | 深圳新益昌科技股份有限公司 | Automatic eutectic machine and eutectic method |
| CN112563374B (en) * | 2020-12-10 | 2022-07-29 | 深圳市赞宇新能源材料科技有限公司 | Automatic wafer loading and unloading device for silicon wafer detection in solar cell production |
| CN112563374A (en) * | 2020-12-10 | 2021-03-26 | 许文凡 | Automatic wafer loading and unloading device for silicon wafer detection in solar cell production |
| CN113206029A (en) * | 2021-05-07 | 2021-08-03 | 倪国兴 | Packaging equipment for processing electronic components |
| CN113206029B (en) * | 2021-05-07 | 2022-08-12 | 阳江市恒昊电子科技有限公司 | Packaging equipment for processing electronic components |
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| CN113471114B (en) * | 2021-09-03 | 2021-11-12 | 四川明泰电子科技有限公司 | Semiconductor integrated circuit package forming apparatus |
| CN113471114A (en) * | 2021-09-03 | 2021-10-01 | 四川明泰电子科技有限公司 | Semiconductor integrated circuit package forming apparatus |
| CN113644015B (en) * | 2021-10-15 | 2021-12-24 | 四川晶辉半导体有限公司 | Semiconductor frame glues core device |
| CN113644015A (en) * | 2021-10-15 | 2021-11-12 | 四川晶辉半导体有限公司 | Semiconductor frame glues core device |
| CN113764323A (en) * | 2021-11-10 | 2021-12-07 | 四川晶辉半导体有限公司 | Lead frame loading attachment for some cores |
| CN113772165A (en) * | 2021-11-15 | 2021-12-10 | 宁波德洲精密电子有限公司 | Automatic material collecting and laminating equipment for lead frame |
| CN115188699A (en) * | 2022-09-09 | 2022-10-14 | 宁波德洲精密电子有限公司 | Automatic leveling table for feeding lead frames |
| CN115188699B (en) * | 2022-09-09 | 2022-12-06 | 宁波德洲精密电子有限公司 | Automatic aligning and leveling table for lead frame feeding |
| CN115410969A (en) * | 2022-10-28 | 2022-11-29 | 宁波德洲精密电子有限公司 | Conveying device for preheating processing of lead frame |
| CN116021276A (en) * | 2022-12-23 | 2023-04-28 | 江苏信鼎汇科学仪器有限公司 | Weighing sensor assembly quality |
| CN116021276B (en) * | 2022-12-23 | 2023-10-24 | 江苏信鼎汇科学仪器有限公司 | Weighing sensor assembly quality |
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