CN108235589B - It may bring up the BGA Rework station in air port - Google Patents

It may bring up the BGA Rework station in air port Download PDF

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Publication number
CN108235589B
CN108235589B CN201810142717.8A CN201810142717A CN108235589B CN 108235589 B CN108235589 B CN 108235589B CN 201810142717 A CN201810142717 A CN 201810142717A CN 108235589 B CN108235589 B CN 108235589B
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China
Prior art keywords
hot
shell
spray nozzle
blast spray
hot wind
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Active
Application number
CN201810142717.8A
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Chinese (zh)
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CN108235589A (en
Inventor
何富强
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Chongqing Sichuan Dry Technology Co Ltd
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Chongqing Sichuan Dry Technology Co Ltd
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Priority to CN201810142717.8A priority Critical patent/CN108235589B/en
Publication of CN108235589A publication Critical patent/CN108235589A/en
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/22Secondary treatment of printed circuits
    • H05K3/225Correcting or repairing of printed circuits
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/04Soldering or other types of metallurgic bonding
    • H05K2203/0445Removing excess solder on pads; removing solder bridges, e.g. for repairing or reworking
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/17Post-manufacturing processes
    • H05K2203/176Removing, replacing or disconnecting component; Easily removable component

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electric Connection Of Electric Components To Printed Circuits (AREA)

Abstract

The invention discloses a kind of BGA Rework stations that may bring up air port, are related to integrated circuit board maintenance of equipment field, and including the air outlet formed at hot-blast spray nozzle, adjusting shell is socketed with outside hot-blast spray nozzle, adjust and offer the opening that size is less than air outlet on shell;It is rotatably connected to shaft in hot-blast spray nozzle, the first impeller is connected in shaft, the both ends of shaft, which are extend out to, to be adjusted in shell;The both ends of shaft are socketed with centrifugal blower, centrifugal blower includes suction inlet and delivery outlet, it adjusts shell and is also provided with through-hole equipped with the side of opening, it adjusts the side far from opening on shell and offers venthole, it adjusts and is equipped with conveyance conduit and exhaust pipe in shell, it is connected between through-hole and suction inlet by conveyance conduit, is connected between delivery outlet and venthole by exhaust pipe.The present invention solves the problems, such as that existing BGA Rework station air outlet is unable to the wind direction surrounding diffusion of adjusting size and blowout and impacts to the bga chip for not needing sealing-off, the disassembly and welding being mainly used in bga chip rework process.

Description

It may bring up the BGA Rework station in air port
Technical field
The present invention relates to integrated circuit board maintenance of equipment field, in particular to a kind of BGA Rework station that may bring up air port.
Background technique
At present in the technical fields such as electronics industry, core technology-printed circuit board package technique of electronic product is just Huge change is occurring, electronic product component package is supported to change to high-density packages.Bga chip have more pins, The features such as information processing capacity is big, chip size is small is widely used to digital communicating field (such as mobile phone, IPTV, hand-held secrecy Communication equipment etc.).Currently, the welding technique of bga chip has become essential key in terms of the assembling of printed circuit board Technology.And BGA Rework station is set aiming at the intelligent operation of different size of BGA original part progress visual-alignment, welding, disassembly It is standby.
Existing BGA Rework station generally comprises the objective table for placing pcb board and by the list-directed hot wind component of temperature controller, Hot wind component includes top heating component, lower part heating component and pre-heating station, and top heating component and lower part heating component are wrapped The hot-blast spray nozzle being sent on chip for the hot wind to the heater that is heated of air-supply and for transmitting heater is included, Air outlet is formed at the hot-blast spray nozzle of top heating component, and lower air outlet is formed at the hot-blast spray nozzle of lower part heating component.? When heating, heated by the bga chip welded after the alignment of upper and lower air outlet to needs, pre-heating station adds entire PCB Heat.
But there is following problems for existing BGA Rework station:
1, since the upper air outlet of existing BGA Rework station and lower air outlet size are fixed, the size of bga chip is not Together, when using upper and lower air outlet alignment after the bga chip of small size is heated when, hot wind be easy will sealing-off BGA core Other adjacent bga chips for not needing sealing-off of piece heat, and under lasting hot wind effect, do not need the BGA core of sealing-off Piece is easy to fall, to exert a certain influence to the bga chip for not needing sealing-off.
2, even bga chip is identical as the size of upper and lower air outlet, and hot wind is after the blowout of upper and lower air outlet Or it can spread around, the bga chip that hot wind still can not need sealing-off to other heats.
Summary of the invention
The invention is intended to provide a kind of BGA Rework station that may bring up air port, to solve existing BGA Rework station air outlet not The problem of being adjustable the wind direction surrounding diffusion of size and blowout and the bga chip for not needing sealing-off impacted.
In order to solve the above technical problems, base case provided by the invention is as follows:
It may bring up the BGA Rework station in air port, including board and hot wind component, hot wind component includes heater and hot wind spray Mouth forms air outlet at hot-blast spray nozzle, is socketed with adjusting shell outside the hot-blast spray nozzle, the adjusting shell phase can for hot-blast spray nozzle Disassembly adjusts and offers the opening that size is less than air outlet on shell, and the opening is opposite with air outlet position;Turn in hot-blast spray nozzle It is dynamic to be connected with shaft, it is connected with the first impeller in the shaft, jack, the shaft are offered on the side wall of the hot-blast spray nozzle Both ends pass through jack extend out to adjust shell in;The both ends of the shaft are equipped with centrifugal blower, and centrifugal blower includes shell and position In the second impeller in shell, second impeller is affixed with shaft, and shell is fixed on hot-blast spray nozzle, and suction is offered on shell Entrance and delivery outlet, the suction inlet are located at the center of the second impeller;The side that the adjusting shell is equipped with opening also opens up There is through-hole, through-hole is located at the outside of opening, adjusts the side far from opening on shell and offers venthole, is equipped in the adjusting shell Conveyance conduit and exhaust pipe are connected to by conveyance conduit between through-hole and suction inlet, pass through row between delivery outlet and venthole Feed channel connection.
The working principle of base case: when needing the bga chip to small size to carry out sealing-off, shell will be adjusted and be installed to heat On wind nozzle, pcb board is placed into the position on board and adjusting pcb board, wants sealing-off when hot-blast spray nozzle is aligned on pcb board When bga chip, starting heater heats wind, due to adjusting the opening for offering size on shell and being less than air outlet, opening It is opposite with air outlet position, and adjust shell and shelter from part air outlet, so the hot wind after heater heats passes through hot wind Opening at nozzle is directly blown on the bga chip for wanting sealing-off, and opening reduces the area of air outlet, so that hot wind can be more That concentrates blows on the bga chip for wanting sealing-off.
Simultaneously as being rotatably connected to shaft in hot-blast spray nozzle, the first impeller, the side wall of hot-blast spray nozzle are connected in shaft On offer jack, the both ends of shaft, which pass through jack and extend out to, to be adjusted in shell, and the both ends of shaft are equipped with centrifugal blower, centrifugal blower The second impeller including shell and in shell, the second impeller is affixed with shaft, and shell is fixed on hot-blast spray nozzle, on shell Suction inlet and delivery outlet are offered, suction inlet is located at the center of the second impeller;So when hot wind is blown outward by hot-blast spray nozzle When passing through the first impeller out, hot wind will drive the first wheel rotation, and the first impeller drives again to be turned with the affixed shaft of the first impeller Dynamic, shaft drives the second wheel rotation again, to can generate negative pressure at the center of the second impeller, that is, the sucking of centrifugal blower Negative pressure can be generated at mouthful, and since the hot wind in hot-blast spray nozzle is constantly blown out by outward opening, and meeting after hot wind blowout It spreads around, so bga chip and adjusting and can generate high pressure between shell, so at bga chip and the suction inlet of centrifugal blower Place can generate pressure difference;
It is also provided with through-hole because adjusting shell and being equipped with the side being open again, the side far from opening on shell is adjusted and offers Venthole adjusts and is equipped with conveyance conduit and exhaust pipe in shell, is connected between through-hole and suction inlet by conveyance conduit, delivery outlet It is connected between venthole by exhaust pipe;So at bga chip and at the suction inlet of centrifugal blower pressure difference effect Under, and under the precondition that through-hole is located at the outside of opening, centrifugal blower, which can absorb, wants the bga chip of sealing-off adjacent not The hot wind at the bga chip of sealing-off is needed, hot wind is entered in shell by conveyance conduit and suction inlet, using centrifugal blower Delivery outlet, exhaust pipe and venthole discharge, and the hot wind from opening blowout is avoided to cause the bga chip for not needing sealing-off The case where influence.
It is detachable for hot-blast spray nozzle due to adjusting shell phase, so can be big according to the size for the bga chip for being actually subjected to sealing-off It is small to replace the different adjusting shell of openings of sizes, to realize the adjusting to air outlet size.
Base case has the beneficial effect that 1, compared with existing BGA Rework station, and the present invention is sprayed hot wind using adjusting shell Air outlet partial occlusion at mouth, to change the size of outlet air, by the tune for installing different openings size on hot-blast spray nozzle Section shell adapts to different size of bga chip, first is that shortening for the bga chip that blowing to of allowing hot wind more concentrates wants sealing-off The bga chip sealing-off time improves sealing-off efficiency, second is that the feelings blown off in order to avoid heating the bga chip for not needing sealing-off Condition.
2, the present invention drives the first wheel rotation using hot wind, and the first impeller drives the second impeller of centrifugal blower to turn It is dynamic, and in such a way that centrifugal blower suction inlet is connected with the through-hole of opening side, it realizes to the BGA for not needing sealing-off The function that hot wind at chip is taken away avoids the hot wind bga chip that diffusion couple does not need sealing-off around from opening blowout from making At influence, so that the setting for adjusting shell and centrifugal blower realizes the duplicate protection to the bga chip for not needing sealing-off.
3, shaft and the driving force of centrifugal blower are from hot wind, do not need additional driving force and are just able to rotate, section Power is saved.
Further, the hot wind component includes upper hot wind component and lower hot wind component, upper hot wind component and lower hot wind component Include heater and hot-blast spray nozzle, forms air outlet and lower outlet air at the hot-blast spray nozzle of upper hot wind component and lower hot wind component Mouthful, upper air outlet and lower air outlet are opposite up and down, and adjusting is socketed with outside the hot-blast spray nozzle of upper hot wind component and lower hot wind component Shell.
Using above-mentioned design, bga chip can carry out bga chip two-sided between upper air outlet and lower air outlet Heating, and it is socketed with adjusting shell outside the hot-blast spray nozzle of upper hot wind component and lower hot wind component, it can make air outlet under The size of the wind of air outlet blowout is identical.
Further, it is bolted between adjusting shell and the hot-blast spray nozzle.
It is connected by screw bolts, has the advantages of simple structure and easy realization;Shell can will be adjusted again to be fixedly secured on hot-blast spray nozzle, It avoids adjusting shell under the action of the forces of the wind relative to hot-blast spray nozzle shaking.
Further, the hot-blast spray nozzle is externally provided with hook portion, and the adjusting shell, which is equipped with, is affiliated to portion with what hook portion cooperated, It adjusts and is connected between shell and hot-blast spray nozzle by being affiliated to portion and hook portion clamping.
Realize that adjusting shell and hot-blast spray nozzle clamping connects by being affiliated to portion and hook portion, when needing sealing-off large volume When bga chip, adjusting shell is facilitated to remove from hot-blast spray nozzle;When needing the bga chip of sealing-off small size, can rapidly by Shell is adjusted to be installed on hot-blast spray nozzle.
Further, second impeller and shaft are coaxial.
Second impeller and shaft are coaxially connected, so that the second impeller and shaft rotate synchronously, so that shaft is able to drive the Two impellers are with the rotation of quickly speed.
Further, rolling bearing is equipped in the jack of the hot-blast spray nozzle, the both ends of the shaft pass through the rolling at jack Dynamic bearing, which is extend out to, to be adjusted in shell.
The setting of rolling bearing can reduce the frictional force between shaft and hot-blast spray nozzle side wall, increase shaft and hot wind spray The service life of mouth.
Detailed description of the invention
Fig. 1 is the cross-sectional view for the BGA Rework station embodiment that the present invention may bring up air port.
Specific embodiment
Below by the further details of explanation of specific embodiment:
Appended drawing reference in Figure of description includes: board 1, hot-blast spray nozzle 2, air outlet 3, adjusts shell 4, opening 5, shaft 6, the first impeller 7, jack 8, centrifugal blower 9, shell 91, the second impeller 92, suction inlet 10, delivery outlet 11, through-hole 12, venthole 13, conveyance conduit 14, exhaust pipe 15, rolling bearing 16, bolt 17, link block 18.
As shown in Figure 1, the present invention may bring up the BGA Rework station in air port 3, including board 1 and hot wind component, hot wind component Including heater and hot-blast spray nozzle 2, air outlet 3 is formed at hot-blast spray nozzle 2, is socketed with outside hot-blast spray nozzle 2 and adjusts shell 4, adjusts shell 4 Detachable relative to hot-blast spray nozzle 2, the present embodiment is adjusted and is connected between shell 4 and hot-blast spray nozzle 2 by bolt 17, as shown in Figure 1, It adjusts and is fixedly connected in total there are four bolt 17 between shell 4 and hot-blast spray nozzle 2;Certainly it can also be externally provided with using hot-blast spray nozzle 2 Hook portion adjusts shell 4 equipped with portion is affiliated to what hook portion cooperated, adjusts between shell 4 and hot-blast spray nozzle 2 by being affiliated to portion and hook The clamping connection of extension portion, using being detachably connected for 17 mode of bolt, can will adjust 4 jail of shell for both modes Admittedly be installed on hot-blast spray nozzle 2, avoid adjust shell 4 under the action of the forces of the wind relative to hot-blast spray nozzle 2 shake.
Hot wind component in the present embodiment includes upper hot wind component and lower hot wind component, upper hot wind component and lower hot wind component Include heater and hot-blast spray nozzle 2, formed at the hot-blast spray nozzle 2 of upper hot wind component and lower hot wind component air outlet and it is lower go out Air port, upper air outlet and lower air outlet are opposite up and down, and tune is socketed with outside the hot-blast spray nozzle 2 of upper hot wind component and lower hot wind component It saves shell 4 (hot wind component is merely illustrated in this attached drawing);The side that bga chip is heated using upper air outlet and lower air outlet Formula can carry out Double-side Heating to bga chip, and be socketed with outside the hot-blast spray nozzle 2 of upper hot wind component and lower hot wind component Shell 4 is adjusted, the size for the wind that air outlet and lower air outlet can be made to blow out is identical.
As shown in Figure 1, adjusting 4 global shape of shell is " recessed " shape cooperated with hot-blast spray nozzle 2, opened up in adjusting shell 4 free Chamber, the roof for adjusting shell 4 includes the left roof and right roof of left and right pairing, left roof and right roof respectively with the side that respectively connect Wall is hinged, and adjusting shell 4 close to the top of the inner sidewall of 2 side of hot-blast spray nozzle is sky, adjusts shell 4 from hot-blast spray nozzle 2 to facilitate On remove;It adjusts 4 bottom of shell and offers the opening 5 that size is less than air outlet 3, opening 5 is opposite with 3 position of air outlet, adjusts shell 4 Part air outlet 3 is blocked;It is rotatably connected to shaft 6 in hot-blast spray nozzle 2, the first impeller 7, the present embodiment are welded in shaft 6 In the first impeller 7 and shaft 6 it is coaxial, offer jack 8 on the side wall of hot-blast spray nozzle 2, rolling bearing 16 be equipped in jack 8, Jack 8 can be conditioned shell 4 and block covering, and the both ends of shaft 6 pass through the rolling bearing 16 at jack 8 and extend out in adjusting shell 4, rolling Dynamic bearing 16 is provided in the frictional force reduced between shaft 6 and 2 side wall of hot-blast spray nozzle;The both ends of shaft 6 are equipped with centrifugation wind Machine 9, centrifugal blower 9 include shell 91 and the second impeller 92 in shell 91, and the second impeller 92 and shaft 6 are affixed, shell 91 are fixed on hot-blast spray nozzle 2 by link block 18, suction inlet 10 and delivery outlet 11 are offered on shell 91, suction inlet 10 is located at At the center of second impeller 92;It adjusts shell 4 and is also provided with through-hole 12 equipped with the side of opening 5, through-hole 12 is located at the outer of opening 5 Side adjusts the side far from opening 5 on shell 4 and offers venthole 13, adjusts and be equipped with conveyance conduit 14 and exhaust pipe in shell 4 15, it is connected between through-hole 12 and suction inlet 10 by conveyance conduit 14, passes through exhaust pipe between delivery outlet 11 and venthole 13 15 connections.
This may bring up the specific implementation of the BGA Rework station in air port 3 are as follows:
When needing the bga chip to small size to carry out sealing-off, shell 4 will be adjusted and be installed on hot-blast spray nozzle 2, by pcb board It is placed on board 1 and adjusts the position of pcb board, when hot-blast spray nozzle 2, which is aligned, wants the bga chip of sealing-off on pcb board, starting adds Hot device heats wind, due to adjusting the opening 5 for offering size on shell 4 and being less than air outlet 3, opening 5 and 3 position of air outlet Relatively, it adjusts shell 4 and shelters from part air outlet 3, so the hot wind after heater heats passes through opening at hot-blast spray nozzle 2 Mouth 5 is directly blown on the bga chip for wanting sealing-off, and opening 5 reduces the area of air outlet 3, thus what hot wind can be concentrated more It blows on the bga chip for wanting sealing-off.
Simultaneously as being rotatably connected to shaft 6 in hot-blast spray nozzle 2, the first impeller 7, hot-blast spray nozzle 2 are connected in shaft 6 Side wall on offer jack 8, the both ends of shaft 6, which pass through jack 8 and extend out to, to be adjusted in shell 4, and the both ends of shaft 6 are equipped with centrifugation wind Machine 9, centrifugal blower 9 include shell 91 and the second impeller 92 in shell 91, and the second impeller 92 and shaft 6 are affixed, shell 91 are fixed on hot-blast spray nozzle 2, and suction inlet 10 and delivery outlet 11 are offered on shell 91, and suction inlet 10 is located at the second impeller 92 At center;So hot wind will drive 7 turns of the first impeller when hot wind is blown out by the first impeller 7 outward by hot-blast spray nozzle 2 Dynamic, the first impeller 7 drives again to be rotated with the affixed shaft 6 of the first impeller 7, and shaft 6 drives the second impeller 92 to rotate again, thus the Can generate at the center of two impellers 92 can generate negative pressure at negative pressure, that is, the suction inlet 10 of shell 91, and due to hot-blast spray nozzle 2 Interior hot wind constantly passes through the blowout outward of opening 5, and can spread around after hot wind blowout, so bga chip and adjusting High pressure can be generated between shell 4, so pressure difference can be generated at bga chip and at the suction inlet 10 of centrifugal blower 9;
It is also provided with through-hole 12 equipped with the side of opening 5 because adjusting shell 4 again, adjusts the side far from opening 5 on shell 4 Venthole 13 is offered, adjusts and is equipped with conveyance conduit 14 and exhaust pipe 15 in shell 4, by defeated between through-hole 12 and suction inlet 10 It send pipeline 14 to be connected to, is connected between delivery outlet 11 and venthole 13 by exhaust pipe 15;So at bga chip and centrifugation wind At the suction inlet 10 of machine 9 under the action of pressure difference, and under the precondition that through-hole 12 is located at the outside of opening 5, it is centrifuged wind Machine 9 can absorb the hot wind not needed at the bga chip of sealing-off for wanting the bga chip of sealing-off adjacent, and hot wind passes through conveyance conduit 14 Enter in shell 91 with suction inlet 10, using the delivery outlet 11, exhaust pipe 15 and venthole 13 of centrifugal blower 9 to outlet Out, the hot wind diffusion couple blown out from opening 5 is avoided not need the case where bga chip of sealing-off impacts.
When not needing using the adjusting shell 4, bolt 17 is backed out, then the left roof and right roof that adjust shell 4 is opposite In the side wall rotation respectively connected, moving down adjusting shell 4 can remove adjusting shell 4 from hot-blast spray nozzle 2;Due to adjusting shell 4 is detachable relative to hot-blast spray nozzle 2, so 5 sizes of opening can be replaced according to the size for the bga chip for being actually subjected to sealing-off Different adjusting shell 4, to realize the adjusting to 3 size of air outlet.
In conclusion the present invention, which utilizes, adjusts shell 4 by 3 partial occlusion of air outlet at hot-blast spray nozzle 2, to change outlet air Mouthfuls 3 size changes the size of outlet air, and can pass through the adjusting that 5 size of different openings is installed on hot-blast spray nozzle 2 Shell 4 adapts to different size of bga chip, first is that shortening for the bga chip that blowing to of allowing hot wind more concentrates wants sealing-off The bga chip sealing-off time improves sealing-off efficiency, second is that in order to avoid hot wind heats the bga chip for not needing sealing-off and blows off The case where;The first impeller 7 is driven to rotate using hot wind, the first impeller 7 drives the second impeller 92 rotation of centrifugal blower 9, and And using 9 suction inlet 10 of centrifugal blower with opening 5 sides through-hole 12 be connected by the way of, realize to do not need disassembly The function that hot wind at bga chip is taken away, avoiding the hot wind blown out from opening 5, diffusion couple does not need the BGA core of sealing-off around Piece impacts, and then realizes the duplicate protection to the bga chip for not needing sealing-off;And the drive of shaft 6 and centrifugal blower 9 Power is from hot wind, does not need additional driving force and is just able to rotate, saves power.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification The records such as specific embodiment can be used for explaining the content of claim.

Claims (6)

1. may bring up the BGA Rework station in air port, including board and hot wind component, hot wind component includes heater and hot wind spray Mouth forms air outlet at hot-blast spray nozzle, it is characterised in that: adjusting shell, the adjusting shell phase pair are socketed with outside the hot-blast spray nozzle It is detachable in hot-blast spray nozzle, it adjusts and offers the opening that size is less than air outlet on shell, the opening is opposite with air outlet position; It is rotatably connected to shaft in hot-blast spray nozzle, the first impeller is connected in the shaft, is offered on the side wall of the hot-blast spray nozzle Jack, the both ends of the shaft pass through jack and extend out in adjusting shell;The both ends of the shaft are equipped with centrifugal blower, centrifugal blower The second impeller including shell and in shell, second impeller is affixed with shaft, and shell is fixed on hot-blast spray nozzle, outside Suction inlet and delivery outlet are offered on shell, the suction inlet is located at the center of the second impeller;The adjusting shell is equipped with opening Side be also provided with through-hole, through-hole is located at the outside of opening, adjusts the side far from opening on shell and offers venthole, described It adjusts and is equipped with conveyance conduit and exhaust pipe in shell, be connected between through-hole and suction inlet by conveyance conduit, delivery outlet and outlet It is connected between hole by exhaust pipe.
2. the BGA Rework station according to claim 1 that may bring up air port, it is characterised in that: the hot wind component includes upper Hot wind component and lower hot wind component, upper hot wind component and lower hot wind component include heater and hot-blast spray nozzle, upper hot wind component With upper air outlet and lower air outlet are formed at the hot-blast spray nozzle of lower hot wind component, upper air outlet and lower air outlet are opposite up and down, on Adjusting shell is socketed with outside the hot-blast spray nozzle of hot wind component and lower hot wind component.
3. the BGA Rework station according to claim 1 that may bring up air port, it is characterised in that: the adjusting shell and hot wind spray It is bolted between mouth.
4. the BGA Rework station according to claim 1 that may bring up air port, it is characterised in that: the hot-blast spray nozzle is externally provided with Hook portion, it is described adjust shell and be equipped with is affiliated to portion with what hook portion cooperate, between adjusting shell and hot-blast spray nozzle by be affiliated to portion and Hook portion clamping connection.
5. the BGA Rework station according to claim 1 that may bring up air port, it is characterised in that: second impeller and shaft Coaxially.
6. the BGA Rework station according to claim 1 that may bring up air port, it is characterised in that: the jack of the hot-blast spray nozzle Interior to be equipped with rolling bearing, the both ends of the shaft pass through the rolling bearing at jack and extend out in adjusting shell.
CN201810142717.8A 2018-02-11 2018-02-11 It may bring up the BGA Rework station in air port Active CN108235589B (en)

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CN108235589B true CN108235589B (en) 2019-09-03

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113382553B (en) * 2021-06-21 2023-12-01 东莞群翰电子有限公司 BGA repair table with adjustable air outlet and adjusting method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4486804A (en) * 1983-03-30 1984-12-04 Northern Telecom Limited Overload protector for a telephone set
CN103167741A (en) * 2011-12-19 2013-06-19 西安中科麦特电子技术设备有限公司 Hot air heating system for accurately heating target ball grid array (BGA)
CN205249618U (en) * 2015-12-02 2016-05-18 深圳市福斯托精密电子设备有限公司 BGA reprocesses platform
CN107567201A (en) * 2017-10-26 2018-01-09 肇庆市高新区晓靖科技有限公司 A kind of BGA repair workstations hot-blast spray nozzle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4486804A (en) * 1983-03-30 1984-12-04 Northern Telecom Limited Overload protector for a telephone set
CN103167741A (en) * 2011-12-19 2013-06-19 西安中科麦特电子技术设备有限公司 Hot air heating system for accurately heating target ball grid array (BGA)
CN205249618U (en) * 2015-12-02 2016-05-18 深圳市福斯托精密电子设备有限公司 BGA reprocesses platform
CN107567201A (en) * 2017-10-26 2018-01-09 肇庆市高新区晓靖科技有限公司 A kind of BGA repair workstations hot-blast spray nozzle

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