CN108541147A - Rework station heating system - Google Patents
Rework station heating system Download PDFInfo
- Publication number
- CN108541147A CN108541147A CN201810617865.0A CN201810617865A CN108541147A CN 108541147 A CN108541147 A CN 108541147A CN 201810617865 A CN201810617865 A CN 201810617865A CN 108541147 A CN108541147 A CN 108541147A
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- Prior art keywords
- triangular pyramid
- drainage
- slideway
- hot
- air bag
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 23
- 239000007921 spray Substances 0.000 claims description 44
- 229920001971 elastomer Polymers 0.000 claims description 15
- 239000000806 elastomer Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 14
- 241000883990 Flabellum Species 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 7
- 230000006698 induction Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000002775 capsule Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 210000004712 air sac Anatomy 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005476 soldering Methods 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/225—Correcting or repairing of printed circuits
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Package Closures (AREA)
Abstract
The invention discloses a kind of Rework station heating systems, it is related to electronic component rework equipments field, including draining triangular pyramid, it drains and offers through-hole and multiple openings on the side of triangular pyramid, it is additionally provided with the slideway of connection through-hole in drainage triangular pyramid, and block is slidably connected in the channel of slideway, slideway, it is equipped with spring between the side that block stretches into drainage triangular pyramid and the bottom wall of slideway, the first air bag that can be contacted with block is connected with outside drainage triangular pyramid；It drains and is equipped with cylinder body in triangular pyramid, cylinder body is communicated with the second air bag close to the side of opening, first air bag is connected to cylinder body close to the side of slideway, mobile bar is connected on piston, one end of mobile bar is stretched into across channel in the spring in slideway, and the other end of mobile bar is bonded with the madial wall of drainage triangular pyramid.The present invention solves the problems, such as that the hot wind of existing Rework station heating device blowout is non-uniform, mainly provides a kind of hot blast temperature that can make blowout wind equably Rework station heating system.
Description
Technical field
The present invention relates to electronic component rework equipments field, more particularly to a kind of Rework station heating system.
Background technology
BGA Rework stations are the dimensions for being welded with, rewelding, replacing bga chip on circuit board, element in circuit board repair
Equipment is repaiied, his principle is to make mainboard and bga chip, member by the front and back Bidirectional heating to bga chip, element and mainboard
Melts soldering tin between part.The heater being usually used on BGA Rework stations has hot air heater, far infrared heating device, infrared heating
3 kinds of device generally uses hot air heater currently on the market.
The chip of BGA package needs special purpose machinery to be dismantled and welded when reprocessing.The characteristics of BGA package is leg
In chip bottom, shell is usually resin, and this requires when heated, hot blast temperature is uniform.With becoming for chip miniaturization
Gesture, heating welding propose higher requirement to the flowing velocity of hot wind, and speed cannot be fast, and hot wind is mildly to pass through core as possible
Piece avoids shifting to reduce the interference to small size chip.It is also important that the chip of BGA package when heated entirely by
The uniformity of the temperature in hot face is critically important, is deformed to avoid chip.Currently used hot-blast spray nozzle, hot wind come out from heater
Afterwards, pass through from orifice plate, blow to chip surface, the hot blast temperature blown out from hot-blast spray nozzle centre is significantly greater than around hot-blast spray nozzle
Hot blast temperature leads to blow to the non-uniform temperature on chip, to allow chip dismounting and welding effect it is bad.
Invention content
The invention is intended to provide a kind of hot blast temperature that can make blowout wind equably Rework station heating system.
In order to solve the above technical problems, base case provided by the invention is as follows：
Rework station heating system, including heater and hot-blast spray nozzle form air outlet at hot-blast spray nozzle；
It is connected with support shaft in the hot-blast spray nozzle, active oblique gear is rotatably connected in support shaft, active oblique gear
Side is connected with flabellum, and hollow shaft is also rotatably connected in hot-blast spray nozzle, is coaxially connected in shaft and active oblique gear
The driven helical gear of engagement is located at driven helical gear downside in shaft and is also connected with drainage triangular pyramid, and shaft, which passes through, drains three
The vertex of pyramid is stretched into drainage triangular pyramid；
Through-hole and multiple openings are offered on three sides of the drainage triangular pyramid, the through-hole is close to drainage trigone
The vertex of cone, the bottom surface hollow out of the drainage triangular pyramid；
It is additionally provided with the slideway of connection through-hole in the drainage triangular pyramid, and is slided in the channel of slideway, the slideway
The dynamic block for being connected with extended drainage triangular pyramid, is equipped between the side that block stretches into drainage triangular pyramid and the bottom wall of slideway
Spring, drainage triangular pyramid are connected with the first air bag that can be contacted with block outside；
It is equipped with cylinder body in the drainage triangular pyramid, piston is slidingly sealed in cylinder body, cylinder body is close to the connection of the side of opening
There are the second air bag, first air bag to be connected to close to the side of slideway with cylinder body, piston is equipped with piston rod, and piston rod stretches out cylinder
One end of body is connected with Z-shaped mobile bar, and one end of mobile bar is stretched into across channel in the spring in slideway, mobile bar it is another
End be bonded with the madial wall of drainage triangular pyramid, offers deflector hole on the close side being open of mobile bar, and the deflector hole can be with
The opening overlaps or is staggered.
The operation principle of base case：When wanting the bga chip of sealing-off on hot-blast spray nozzle alignment pcb board, start heater
Wind is heated, hot wind is blown out outward by the drainage triangular pyramid in hot-blast spray nozzle, since shaft passes through drainage triangular pyramid
Vertex is stretched into drainage triangular pyramid, is drained the bottom surface hollow out of triangular pyramid, is drained and offer through-hole on three sides of triangular pyramid
With multiple openings, so enter in triangular pyramid from hollow shaft in the hot wind of hot-blast spray nozzle middle position, element center
Hot wind is blown out downwards along the side of triangular pyramid, and the side of triangular pyramid plays the guiding role to hot wind, makes intermediate hot wind
It spreads around；And the hot wind in surrounding in hot-blast spray nozzle enters in triangular pyramid the central position for blowing to hot-blast spray nozzle by opening
Set, to realize middle position and surrounding position hot wind mixing, keep the hot blast temperature blown out from air outlet more uniform.
Due to being connected with support shaft in hot-blast spray nozzle, active oblique gear, active oblique gear one are rotatably connected in support shaft
Side is connected with flabellum, hollow shaft is also rotatably connected in hot-blast spray nozzle, is connected in shaft and is engaged with active oblique gear
Driven helical gear, shaft pass through the vertex of drainage triangular pyramid to stretch into drainage triangular pyramid；So flabellum is opened under the action of hot wind
Beginning vertically rotates, and flabellum drives active oblique gear vertically to rotate again, and active oblique gear drives be engaged with again
Driven helical gear rotate in the horizontal direction, the driven helical gear of rotation drives shaft rotation, shaft to drive entire drainage three again
Pyramid rotates in the horizontal direction.The drainage triangular pyramid of rotation plays the stirring action to hot wind in hot-blast spray nozzle, and rotation is drawn
Stream triangular pyramid can upset the flow direction of hot wind, and the hot wind inside hot-blast spray nozzle is made to form one turbulent flow, to further by center and
The hot wind of surrounding is uniformly mixed.
First air bag is located at the outside of drainage triangular pyramid, and the second air bag is located at the inside of drainage triangular pyramid, therefore the first gas
Capsule induction is the temperature drained outside triangular pyramid, and the induction of the second air bag is the temperature drained inside triangular pyramid；
When draining the temperature inside triangular pyramid higher than external temperature, the pressure in the second air bag is higher than in the first air bag
Pressure, towards the direction movement in the first air bag, piston driving piston rod moves the piston in cylinder body towards the direction of slideway,
Mobile bar to be bonded with the madial wall of drainage triangular pyramid is moved to the vertex of drainage triangular pyramid, and mobile bar always will be at spring
It is gradually overlapped with opening in the deflector hole in compressive state, mobile bar, the area for the exposing that is open increases, to increase the heat of surrounding
Wind blows to position central in hot-blast spray nozzle by opening, and the hot wind for making the more temperature of surrounding low enters center, to in
The hot wind mixing that temperature is high is entreated, to reduce the temperature of hot wind in center, and then continuously decreases the temperature inside drainage triangular pyramid；
While piston is moved towards the first air bag, the first air bag gradually expands, swollen since the first air bag is fixed on drainage triangular pyramid
Movement of the swollen air sac pressing block into slideway allows more central hot wind to blow to hot wind by draining the side of triangular pyramid
Surrounding position in nozzle allows the temperature inside and outside drainage triangular pyramid to reach to gradually rise the temperature outside drainage triangular pyramid
A kind of state of dynamic equilibrium.
When draining the temperature inside triangular pyramid less than external temperature, the pressure in the first air bag is higher than in the second air bag
Pressure, towards the direction movement in the second air bag, piston driving piston rod moves the piston in cylinder body towards the direction far from slideway
Dynamic, the mobile bar to be bonded with the madial wall of drainage triangular pyramid is moved to the zenith directions far from drainage triangular pyramid, mobile bar
On deflector hole be gradually staggered with opening, the area of the exposing that is open reduces, and the hot wind to reduce surrounding blows to heat by opening
Central position in wind nozzle, the hot wind for making the temperature of the less surrounding low hot wind high with the temperature in center mix, and then by
Edge up the high temperature drained inside triangular pyramid；It is mobile while movement to the zenith directions far from drainage triangular pyramid in mobile bar
Slideway is gradually left in one end that bar stretches into slideway along channel, and compressed spring can push gear without the pressure of mobile bar
Block is moved to outside slideway, and the hot wind for reducing center blows to surrounding position in hot-blast spray nozzle by draining the side of triangular pyramid,
To continuously decrease the temperature outside drainage triangular pyramid.
Base case has the beneficial effect that：
1, compared with existing Rework station heating device, the present invention drains triangular pyramid by setting and changes hot-blast spray nozzle center
The flow direction of position and surrounding position hot wind, realizes the mixing of the hot wind of middle position and surrounding position, makes to blow out from air outlet
Hot blast temperature it is more uniform, avoid chip from being deformed because of uneven heating, improve dismounting and the welding effect of chip.
2, the size of opening is automatically adjusted by the temperature inside and outside the first air bag and the second air bag induction drainage triangular pyramid
With the length for the block for stretching out drainage triangular pyramid self of temperature is realized to reach the balance of drainage triangular pyramid internal and external temperature
It adjusts and controls.
3, it being rotated using hot wind as drive force active oblique gear, active oblique gear drives driven helical gear to rotate again,
To realize the rotation of entire drainage triangular pyramid, the hot wind inside hot-blast spray nozzle is set to form one turbulent flow, thus further will be central
It is uniformly mixed with the hot wind of surrounding.
4, the rotation of drainage triangular pyramid makes the hot wind of blowout more intensively blow to chip in conjunction with the change of hot blast flow direction,
It avoids the element around chip from being influenced and loosened by hot wind, realizes the protection of the element to being not required to dismounting, while
Improve the efficiency reprocessed.
Further, the drainage triangular pyramid includes the unitary elastomeric for stacking and being formed that spiraled from bottom to top by sealing strip,
And the bottom plate of the basal sliding connection of elastomer, the elastomer and bottom plate are enclosed the drainage triangular pyramid, the bullet
Property body be drain triangular pyramid three sides, the bottom plate be drainage triangular pyramid bottom surface.
Using the above structure, the drainage triangular pyramid that elastomer and bottom plate are constituted integrally can not only play to the water conservancy diversion of hot wind with
Change the effect of wind direction, hot wind can also blow to chip by the tiny gap between each sealing strip of the drainage triangular pyramid.
Further, the madial wall of the triangular pyramid is connected with third air bag, and the third air bag can be with the contacts baseplate.
Third air bag purpose be incude drainage triangular pyramid in temperature, when drainage triangular pyramid in when the temperature is excessively high, it is swollen
Swollen third air bag can be pressed down against bottom plate, and the basal sliding of bottom plate and elastomer connects, so under the extruding of the first air bag,
Bottom plate slide downward accelerates the heat loss in drainage triangular pyramid, leads to which the gap between each sealing strip of elastomer increases
It crosses third air bag temperature sensor and realizes the self-control for draining triangular pyramid temperature, avoid the temperature difference inside and outside drainage triangular pyramid too big
And the hot wind for making air outlet blow out is uneven.
Further, the opening and through-hole are opened on sealing strip.
Opening and through-hole are opened on sealing strip, so that each sealing strip of elastomer is close to, are made the drainage of drainage triangular pyramid
Effect is more preferable.
Further, the slideway is located at the outer end of drainage triangular pyramid to the bottom surface direction inclination of drainage triangular pyramid.
Using the above structure, the baffle in slideway is also tilted towards the bottom surface direction of drainage triangular pyramid, during hot-blast spray nozzle is interior
The hot wind of centre position preferably can blow to surrounding along baffle, and baffle can play preferably guiding role.
Further, length direction of the opening along each side is uniformly arranged.
Using the above structure, the hot wind of surrounding can blow to chip from different perspectives in hot-blast spray nozzle, improve heat
The mixed effect of wind.
Description of the drawings
Fig. 1 is the structural schematic diagram of Rework station heating system embodiment of the present invention；
Fig. 2 is the enlarged drawing at A in Fig. 1.
Specific implementation mode
It is further described below by specific implementation mode：
Reference numeral in Figure of description includes：Hot-blast spray nozzle 1, support shaft 2, active oblique gear 3, shaft 4, it is driven tiltedly
Gear 5, drainage triangular pyramid 6, through-hole 7, opening 8, slideway 9, channel 10, block 11, the first air bag 12, cylinder body 13, the second air bag
14, mobile bar 15, deflector hole 16, third air bag 17, elastomer 61, sealing strip 611, bottom plate 62.
As depicted in figs. 1 and 2, Rework station heating system of the present invention, including heater and hot-blast spray nozzle 1, at hot-blast spray nozzle 1
Form air outlet；
It is connected with support shaft 2 in hot-blast spray nozzle 1, active oblique gear 3 is rotatably connected in support shaft 2, active oblique gear 3
Side is welded with flabellum, and hollow shaft 4 is also rotatably connected in hot-blast spray nozzle 1, and shaft 4 passes through connecting rod and hot-blast spray nozzle 1
Inner wall is rotatablely connected, and the driven helical gear 5 engaged with active oblique gear 3 is coaxially connected in shaft 4, is located in shaft 4 driven
The downside of helical gear 5 is also connected with drainage triangular pyramid 6, and shaft 4 passes through the vertex of drainage triangular pyramid 6 to stretch into drainage triangular pyramid 6；
Drainage triangular pyramid 6 in the present embodiment includes the integral type bullet for stacking and being formed that spiraled from bottom to top by sealing strip 611
Property body 61 and the bottom of elastomer 61 be welded with bottom plate 62, elastomer 61 and bottom plate 62 are enclosed drainage triangular pyramid 6, bullet
Property body 61 be drain triangular pyramid 6 three sides, bottom plate 62 be drainage triangular pyramid 6 bottom surface；
It drains and offers through-hole 7 and multiple openings 8 on three sides of triangular pyramid 6, through-hole 7 is located at drainage triangular pyramid 6
Middle and upper part, opening 8 is located at the middle and lower part of drainage triangular pyramid 6, and 8 length direction along each side of opening is uniformly arranged, opening 8
It is opened on sealing strip 611 with through-hole 7,61 each sealing strip 611 of elastomer is allow to be close to, through-hole 7 is close to drainage triangular pyramid 6
Vertex drains the bottom surface hollow out of triangular pyramid 6；
The slideway 9 of connection through-hole 7 is additionally provided in drainage triangular pyramid 6, and across the channel of slideway 9 10, slideway 9 is located at and draws
The outer end for flowing triangular pyramid 6 is tilted to the bottom surface direction of drainage triangular pyramid 6, and extended drainage triangular pyramid 6 is slidably connected in slideway 9
Block 11, block 11 stretch into drainage triangular pyramid 6 in side and the bottom wall of slideway 9 between be equipped with spring, drain triangular pyramid 6 outside
It is connected with the first air bag 12 that can be contacted with block 11；
It drains and is equipped with cylinder body 13 in triangular pyramid 6, piston is slidingly sealed in cylinder body 13, cylinder body 13 is close to the side of opening 8
It is communicated with the second air bag 14, the first air bag 12 is connected to cylinder body 13 close to the side of slideway 9, and piston is equipped with piston rod, is stretched out
One end of piston rod is connected with Z-shaped mobile bar 15, and one end of mobile bar 15 is stretched into across channel 10 in the spring in slideway 9,
The other end of mobile bar 15 is bonded with the madial wall of drainage triangular pyramid 6, and mobile bar 15 offers water conservancy diversion on the side of opening 8
Hole 16, deflector hole 16 can overlap or be staggered with opening 8；
The madial wall of triangular pyramid is connected with third air bag 17, and third air bag 17 can be contacted with bottom plate 62.
The Rework station heating system realize principle be：
When hot-blast spray nozzle 1, which is aligned, wants the bga chip of sealing-off on pcb board, starts heater and wind is heated, hot wind is logical
The drainage triangular pyramid 6 crossed in hot-blast spray nozzle 1 is blown out outward, since shaft 4 passes through the vertex of drainage triangular pyramid 6 to stretch into drainage trigone
In cone 6, the bottom surface hollow out of triangular pyramid 6 is drained, drains and offers through-hole 7 and multiple openings 8 on three sides of triangular pyramid 6,
So the hot wind in 1 middle position of hot-blast spray nozzle enters from hollow shaft 4 in triangular pyramid, the hot wind of element center is along three
The side of pyramid is blown out downwards, and the side of triangular pyramid plays the guiding role to hot wind, and intermediate hot wind is made to spread around；
And the hot wind in surrounding in hot-blast spray nozzle 1 enters in triangular pyramid the middle position for blowing to hot-blast spray nozzle 1 by opening 8, to
The mixing for realizing the hot wind of middle position and surrounding position keeps the hot blast temperature blown out from air outlet more uniform.
During hot wind is blown out outward, flabellum starts vertically to rotate under the action of hot wind, flabellum band again
Dynamic active oblique gear 3 vertically rotates, and active oblique gear 3 drives the driven helical gear 5 being engaged in the horizontal direction again
The driven helical gear 5 of rotation, rotation drives shaft 4 to rotate, and shaft 4 drives entire drainage triangular pyramid 6 to rotate in the horizontal direction again.
The drainage triangular pyramid 6 of rotation plays the stirring action to hot wind in hot-blast spray nozzle 1, and the drainage triangular pyramid 6 of rotation can upset heat
The flow direction of wind makes the hot wind inside hot-blast spray nozzle 1 form one turbulent flow, mixes the hot wind of center and surrounding to further equal
It is even.
First air bag 12 is located at the outside of drainage triangular pyramid 6, and the second air bag 14 is located at the inside of drainage triangular pyramid 6, therefore
The induction of first air bag 12 is the temperature drained outside triangular pyramid 6, and the induction of the second air bag 14 is the temperature drained inside triangular pyramid 6
Degree；
When draining the temperature inside triangular pyramid 6 less than external temperature, the pressure in the first air bag 12 is higher than the second gas
Pressure in capsule 14, the piston in cylinder body 13 is towards the direction movement in the second air bag 14, and piston driving piston rod is towards far from sliding
The direction in road 9 is moved, and the mobile bar 15 to be bonded with the madial wall of drainage triangular pyramid 6 is to far from the vertex for draining triangular pyramid 6
Direction is moved, and the deflector hole 16 in mobile bar 15 is gradually staggered with opening 8, and the area that opening 8 is exposed reduces, to reduce surrounding
Hot wind position central in hot-blast spray nozzle 18 is blowed to by opening, the temperature of the hot wind for making the temperature of less surrounding low and center
High hot wind mixing is spent, and then gradually rises the temperature inside drainage triangular pyramid 6；In mobile bar 15 to far from drainage triangular pyramid 6
Zenith directions movement while, slideway 9 is gradually left in one end that mobile bar 15 stretches into slideway 9 along channel 10, compressed
Spring can push block 11 to be moved to outside slideway 9 without the pressure of mobile bar 15, and the hot wind for reducing center passes through drainage three
The side of pyramid 6 blows to the surrounding position in hot-blast spray nozzle 1, to continuously decrease the temperature outside drainage triangular pyramid 6.
When draining the temperature inside triangular pyramid 6 higher than external temperature, the pressure in the second air bag 14 is higher than the first gas
Pressure in capsule 12, piston in cylinder body 13 is towards the direction movement in the first air bag 12, and piston driving piston rod is towards slideway 9
Direction movement, to be moved to the vertex of drainage triangular pyramid 6 with the mobile bar 15 that be bonded of madial wall of drainage triangular pyramid 6, shifting
Spring is in compressive state by lever 15 always, and the deflector hole 16 in mobile bar 15 is gradually overlapped with opening 8, what opening 8 was exposed
Area increases, and the hot wind to increase surrounding blows to position central in hot-blast spray nozzle 1 by opening 8, makes surrounding more warm
It spends low hot wind and enters center, to which the hot wind high with centralised temperature mixes, to reduce the temperature of hot wind in center, and then gradually
Reduce the temperature inside drainage triangular pyramid 6；While piston is moved towards the first air bag 12, the first gradually expansion of air bag 12,
Since the first air bag 12 is fixed on drainage triangular pyramid 6, the movement of the air sac pressing block 11 of expansion into slideway 9 allows more
The hot wind in ground center blows to the surrounding position in hot-blast spray nozzle 1 by draining the side of triangular pyramid 6, to gradually rise drainage three
Temperature outside pyramid 6 allows the temperature inside and outside drainage triangular pyramid 6 to reach a kind of state of dynamic equilibrium.
17 purpose of third air bag is to incude the temperature in drainage triangular pyramid 6, when the temperature in drainage triangular pyramid 6 is excessively high
When, the third air bag 17 of expansion can be pressed down against bottom plate 62, under the extruding of the first air bag 12,61 each sealing strip 611 of elastomer
Between gap increase, accelerate drainage triangular pyramid 6 in heat loss, by third air bag 17 temperature sensor by realize drainage
The self-control of 6 temperature of triangular pyramid avoids the hot wind that is too big and making air outlet blow out of the temperature difference inside and outside drainage triangular pyramid 6 uneven
It is even.The whole water conservancy diversion and change wind direction that can not only play to hot wind of drainage triangular pyramid 6 that its elastomer 61 and bottom plate 62 are constituted
Effect, hot wind can also blow to chip by the tiny gap between each sealing strip 611 of the drainage triangular pyramid 6.
The outer end that slideway 9 in the present embodiment is located at drainage triangular pyramid 6 is tilted to the bottom surface direction of drainage triangular pyramid 6, sliding
Baffle in road 9 is also tilted towards the bottom surface direction of drainage triangular pyramid 6, and the hot wind of middle position can be more preferable in hot-blast spray nozzle 1
Ground blows to surrounding along baffle, and baffle can play preferably guiding role.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete 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 should also be considered as protection scope of the present invention, these all do not interfere with 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 implementation mode can be used for explaining the content of claim.
Claims (6)
1. Rework station heating system, including heater and hot-blast spray nozzle, air outlet is formed at hot-blast spray nozzle；It is characterized in that：
It is connected with support shaft in the hot-blast spray nozzle, active oblique gear, the side of active oblique gear are rotatably connected in support shaft
It is connected with flabellum, hollow shaft is also rotatably connected in hot-blast spray nozzle, is coaxially connected in shaft and is engaged with active oblique gear
Driven helical gear, be also connected with drainage triangular pyramid positioned at driven helical gear downside in shaft, shaft passes through drainage triangular pyramid
Vertex stretch into drainage triangular pyramid in；
Through-hole and multiple openings are offered on three sides of the drainage triangular pyramid, the through-hole is close to drainage triangular pyramid
Vertex, the bottom surface hollow out of the drainage triangular pyramid；
The slideway of connection through-hole is additionally provided in the drainage triangular pyramid, and sliding connects in the channel of slideway, the slideway
It is connected to the block of extended drainage triangular pyramid, bullet is equipped between the side that block stretches into drainage triangular pyramid and the bottom wall of slideway
Spring, drainage triangular pyramid are connected with the first air bag that can be contacted with block outside；
It is equipped with cylinder body in the drainage triangular pyramid, is slidingly sealed with piston in cylinder body, cylinder body is communicated with the close to the side of opening
Two air bags, first air bag are connected to cylinder body close to the side of slideway, and piston is equipped with piston rod, and piston rod stretches out cylinder body
One end is connected with Z-shaped mobile bar, and one end of mobile bar is stretched into across channel in the spring in slideway, the other end of mobile bar with
Drain the madial wall fitting of triangular pyramid, mobile bar offers deflector hole on the side of opening, the deflector hole can with it is described
Opening overlaps or is staggered.
2. Rework station heating system according to claim 1, it is characterised in that：The drainage triangular pyramid includes by sealing strip
It spirals from bottom to top and stacks the bottom plate that the basal sliding of the unitary elastomeric and elastomer that are formed connects, the elastomer
It is enclosed the drainage triangular pyramid with bottom plate, the elastomer is three sides for draining triangular pyramid, and the bottom plate is drainage
The bottom surface of triangular pyramid.
3. Rework station heating system according to claim 2, it is characterised in that：The madial wall of the triangular pyramid is connected with
Three air bags, the third air bag can be with the contacts baseplates.
4. Rework station heating system according to claim 2, it is characterised in that：The opening and through-hole are opened in sealing strip
On.
5. Rework station heating system according to claim 1, it is characterised in that：The slideway is located at the outer of drainage triangular pyramid
The bottom surface direction to drainage triangular pyramid is held to tilt.
6. Rework station heating system according to claim 1, it is characterised in that：Length side of the opening along each side
To being uniformly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810617865.0A CN108541147B (en) | 2018-06-15 | 2018-06-15 | Repair table heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810617865.0A CN108541147B (en) | 2018-06-15 | 2018-06-15 | Repair table heating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108541147A true CN108541147A (en) | 2018-09-14 |
| CN108541147B CN108541147B (en) | 2023-12-22 |
Family
ID=63471128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810617865.0A Active CN108541147B (en) | 2018-06-15 | 2018-06-15 | Repair table heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108541147B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033000A (en) * | 2020-09-10 | 2020-12-04 | 浪潮商用机器有限公司 | Hot air gun hot air guiding device and multi-pin chip dismounting hot air gun |
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| JP2003152329A (en) * | 2001-11-13 | 2003-05-23 | Fujitsu Ltd | Method and device for dismounting ball grid array mounted on printed wiring board |
| JP2009238908A (en) * | 2008-03-26 | 2009-10-15 | Fujitsu Ltd | Method of repairing semiconductor device, semiconductor device, and substrate for semiconductor device |
| CN204272517U (en) * | 2014-12-18 | 2015-04-15 | 苏州卓航电子有限公司 | Novel B GA repair workstation spout |
| 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 |
| CN208273373U (en) * | 2018-06-15 | 2018-12-21 | 重庆合聚达智能装备有限公司 | rework station heating system |
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| CN112033000A (en) * | 2020-09-10 | 2020-12-04 | 浪潮商用机器有限公司 | Hot air gun hot air guiding device and multi-pin chip dismounting hot air gun |
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