CN201201098Y - Turbocharging type nitrogen filling apparatus of reflow machine - Google Patents
Turbocharging type nitrogen filling apparatus of reflow machine Download PDFInfo
- Publication number
- CN201201098Y CN201201098Y CNU2008200468971U CN200820046897U CN201201098Y CN 201201098 Y CN201201098 Y CN 201201098Y CN U2008200468971 U CNU2008200468971 U CN U2008200468971U CN 200820046897 U CN200820046897 U CN 200820046897U CN 201201098 Y CN201201098 Y CN 201201098Y
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- shell
- nitrogen
- motor
- wind wheel
- heat dissipating
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Abstract
The utility model relates to the technical field of reflow welder, in particular to a turbosupercharging nitrogen filling device for the reflow welder, which comprises a shell, a motor which is positioned outside the shell, and a wind wheel and a turbosupercharging generator which are positioned inside the shell, wherein the upper end and the lower end of the shell are provided with a connecting hole and an air outlet respectively; the motor is connected with the shell through a heat dissipation ring which is tightly inserted into the connecting hole; the motor is fixed on the upper end face of the heat dissipation ring; an output shaft of the motor is connected with the wind wheel; the heat dissipation ring is provided with a nitrogen inlet which communicates the inside and the outside of the shell; and the nitrogen inlet is led to a rotating center of the wind wheel. The wind wheel is driven to rotate by the motor and then generates a suction force, and nitrogen entering into the nitrogen inlet is sent out of the air outlet, so that the reaction speed of the nitrogen is quick and the nitrogen amount is saved. Moreover, nitrogen air flow can replace oxygen air flow inside the shell within the minimum duration, the nitrogen is distributed at any place of a temperature area and the oxygen concentration is reduced to the lowest, thereby improving the welding effect.
Description
Technical field:
The utility model relates to the reflow machine technical field, particularly a kind of turbocharging type nitrogen charging device of reflow machine.
Background technology:
In the printed circuit board (PCB) production process, each surface mount elements adopts surface mounting technology to carry out the paster assembling.At first, utilize printing machine to scrape solder(ing) paste at the pad on the printed circuit board (PCB); Then, with chip mounter surface mount elements is pressed on the corresponding welding position of printed circuit board (PCB) and fit with solder(ing) paste; At last, the printed circuit board (PCB) that posts element being sent into reflow machine welds.Reflow machine adopts the internal-circulation type heating system that is divided into a plurality of warm areas, because solder(ing) paste is made up of multiple alloy material, different temperature and times can cause the variation of tin cream state, and solder(ing) paste is fused into liquid state when the high-temperature region, and surface mount elements combines with solder(ing) paste easily; After entering the cooling zone, solder(ing) paste is frozen into solid-state, and is just that the pin and the printed circuit board (PCB) of surface mount elements is integrally welded firmly.For satisfying the requirement of leadless process, guarantee high-quality welding quality, it is the protection raw material that reflow machine also adopts nitrogen.
Existing nitrogen charging device includes shell, be positioned at the motor of housing exterior, be positioned at the wind wheel and the turbocharging generator of enclosure, shell is respectively equipped with connecting hole and air outlet in two ends up and down, motor is fixed on the shell upper surface, the output shaft of motor passes connecting hole and is connected with wind wheel, the shell upper surface is provided with the nitrogen inlet that feeds enclosure, wind wheel is at the drive backspin of the motor living suction of changing the line of production, the nitrogen that nitrogen inlet is fed sucks and is blown out by air outlet, because the suction of wind wheel is centered close to its pivot, and nitrogen inlet is far away from pivot, the nitrogen reaction speed is slow, the nitrogen amount that needs is bigger, and stream of nitrogen gas can't be squeezed away the air of enclosure, and oxygen concentration is higher, influences welding quality.
The utility model content:
The purpose of this utility model is that the turbocharging type nitrogen charging device that a kind of inflated with nitrogen reaction speed is fast, save the reflow machine of nitrogen use level is provided at the deficiencies in the prior art.
For achieving the above object, the utility model adopts following technical scheme:
The turbocharging type nitrogen charging device of reflow machine, it includes shell, be positioned at the motor of housing exterior, be positioned at the wind wheel and the turbocharging generator of enclosure, described shell is respectively equipped with connecting hole and air outlet in two ends up and down, described motor is connected with shell by heat dissipating ring, heat dissipating ring closely is plugged in the connecting hole of shell, motor is fixed on the heat dissipating ring upper surface, and the output shaft of motor is connected with wind wheel, offers on the heat dissipating ring to be communicated with enclosure and outside nitrogen inlet.
The output shaft of described motor is connected by the blower fan axle with wind wheel.
Be provided with first sealing shroud between described blower fan axle and the heat dissipating ring.
Be provided with second sealing shroud between described heat dissipating ring and the shell.
The utility model beneficial effect is: motor of the present utility model is connected with shell by heat dissipating ring, heat dissipating ring closely is plugged in the connecting hole, motor is fixed on the heat dissipating ring upper surface, the output shaft of motor is connected with wind wheel, offers on the heat dissipating ring to be communicated with enclosure and outside nitrogen inlet, and nitrogen inlet is led to the pivot of wind wheel, wind wheel is at the drive backspin of the motor living suction of changing the line of production, the nitrogen that nitrogen inlet feeds is sent air outlet, and the nitrogen reaction speed is fast, saves nitrogen use level; And stream of nitrogen gas can replace the oxygen flow of enclosure in the shortest time, thereby makes the warm area every nook and cranny all be covered with nitrogen, and it is minimum to make that oxygen concentration drops to, and improves welding effect.
Description of drawings:
Fig. 1 is a partial sectional view of the present utility model;
Fig. 2 is the structural representation of the utility model heat dissipating ring.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is further described, see Fig. 1～2, the turbocharging type nitrogen charging device of reflow machine, it includes shell 1, be positioned at the motor 2 of shell 1 outside, be positioned at the wind wheel 3 and the turbocharging generator 4 of shell 1 inside, shell is respectively equipped with connecting hole 5 and air outlet 6 in two ends about in the of 1, motor 2 is connected with shell 1 by heat dissipating ring 7, heat dissipating ring 7 closely is plugged in the connecting hole 5, motor 2 is fixed on heat dissipating ring 7 upper surfaces, the output shaft of motor 2 is connected with wind wheel 3, offers on the heat dissipating ring 7 to be communicated with shell 1 inside and outside nitrogen inlet 8.
The output shaft of motor 2 is connected by blower fan axle 9 with wind wheel 3, one end of blower fan axle 9 is socketed on the output shaft of motor 2, its other end passes heat dissipating ring 7 and enters shell 1 inside, and is plugged on the pivot position of wind wheel 3, and the output shaft concentric of wind wheel 3, blower fan axle 9 and motor 2 is rotated.Be provided with between blower fan axle 9 and the heat dissipating ring 7 and all be provided with second sealing shroud, 11, the first sealing shrouds 10 between first sealing shroud 10, heat dissipating ring 7 and the shell 1 and second sealing shroud 11 is used to stop that extraneous air enters shell 1 inside.
The nitrogen that pressure will be arranged is from nitrogen inlet 8 input shells 1 inside, nitrogen inlet 8 is led to the pivot of wind wheel 3, wind wheel 3 is at the drive backspin of the motor 2 living suction of changing the line of production, the nitrogen that nitrogen inlet 8 is fed is sent into and is carried out supercharging in the turbocharging generator 4, blow out by air outlet 6 at last, stream of nitrogen gas can replace the oxygen flow of shell 1 inside in the shortest time, thereby make the warm area every nook and cranny all be covered with nitrogen, the nitrogen reaction speed is fast, save nitrogen use level, and it is minimum to make in the short time that oxygen concentration drops to, and improves welding effect.
The above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (4)
1, the turbocharging type nitrogen charging device of reflow machine, it includes shell (1), be positioned at the outside motor (2) of shell (1), be positioned at shell (1) inner wind wheel (3) and turbocharging generator (4), described shell (1) two ends up and down is respectively equipped with connecting hole (5) and air outlet (6), it is characterized in that: described motor (2) is connected with shell (1) by heat dissipating ring (7), heat dissipating ring (7) closely is plugged in the connecting hole (5), motor (2) is fixed on heat dissipating ring (7) upper surface, the output shaft of motor (2) is connected with wind wheel (3), offers on the heat dissipating ring (7) to be communicated with inner with the outside nitrogen inlet (8) of shell (1).
2, the turbocharging type nitrogen charging device of reflow machine according to claim 1 is characterized in that: the output shaft of described motor (2) is connected by blower fan axle (9) with wind wheel (3).
3, the turbocharging type nitrogen charging device of reflow machine according to claim 2 is characterized in that: be provided with first sealing shroud (10) between described blower fan axle (9) and the heat dissipating ring (7).
4, according to the turbocharging type nitrogen charging device of any described reflow machine of claim 1-3, it is characterized in that: be provided with second sealing shroud (11) between described heat dissipating ring (7) and the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200468971U CN201201098Y (en) | 2008-04-25 | 2008-04-25 | Turbocharging type nitrogen filling apparatus of reflow machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200468971U CN201201098Y (en) | 2008-04-25 | 2008-04-25 | Turbocharging type nitrogen filling apparatus of reflow machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201201098Y true CN201201098Y (en) | 2009-03-04 |
Family
ID=40423409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200468971U Expired - Fee Related CN201201098Y (en) | 2008-04-25 | 2008-04-25 | Turbocharging type nitrogen filling apparatus of reflow machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201201098Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102476229A (en) * | 2010-11-26 | 2012-05-30 | 深圳市劲拓自动化设备股份有限公司 | Heating wire fixing structure for reflow soldering and reflow soldering equipment |
| CN102794529A (en) * | 2011-05-27 | 2012-11-28 | 上海朗仕电子设备有限公司 | Blowing motor device with Teflon sealing sheet and bowl type gasket |
| CN108237298A (en) * | 2016-12-26 | 2018-07-03 | 上海朗仕电子设备有限公司 | A kind of blowing device for reflow soldering |
-
2008
- 2008-04-25 CN CNU2008200468971U patent/CN201201098Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102476229A (en) * | 2010-11-26 | 2012-05-30 | 深圳市劲拓自动化设备股份有限公司 | Heating wire fixing structure for reflow soldering and reflow soldering equipment |
| CN102476229B (en) * | 2010-11-26 | 2013-08-14 | 深圳市劲拓自动化设备股份有限公司 | Heating wire fixing structure for reflow soldering and reflow soldering equipment |
| CN102794529A (en) * | 2011-05-27 | 2012-11-28 | 上海朗仕电子设备有限公司 | Blowing motor device with Teflon sealing sheet and bowl type gasket |
| CN108237298A (en) * | 2016-12-26 | 2018-07-03 | 上海朗仕电子设备有限公司 | A kind of blowing device for reflow soldering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090304 Termination date: 20110425 |