CN2408647Y - Heating device for infrared reflow welder - Google Patents
Heating device for infrared reflow welder Download PDFInfo
- Publication number
- CN2408647Y CN2408647Y CN 99242717 CN99242717U CN2408647Y CN 2408647 Y CN2408647 Y CN 2408647Y CN 99242717 CN99242717 CN 99242717 CN 99242717 U CN99242717 U CN 99242717U CN 2408647 Y CN2408647 Y CN 2408647Y
- Authority
- CN
- China
- Prior art keywords
- outer cover
- heating plate
- stabilizer
- blade
- infrared
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The utility model belongs to equipment or a method for manufacturing a printed circuit, and relates to a heating device with simple structure for infrared reflow welders. The utility model has the technical characteristics that a blade 5 is positioned at the upper part in an outer cover 4, the middle part of which is fixed with a stabilizer 3 with ventilation holes, wherein, the stabilizer is positioned below the blade 5; a heating plate 2 with the ventilation holes is arranged below the stabilizer 3, and the side face of the heating plate 2 is tightly fixed wit the lower part of the outer cover 4, the left and the right sides of which are provided with a ventilation channel made of double-layer plates; the heating plate 2 is made of high efficiency ceramic far infrared plates. Infrared rays are strong in penetrating force, are high in thermal efficiency and are little in power consumption.
Description
The utility model belongs to equipment or the method that is used to make printed circuit, specifically by the assembling of welding to printed circuit.
Re-current welder is one of key equipment of surface installation technique, and function and better performances is the forced convertion air flue device in hot air reflow welding machine in the present Re-current welder.It forces circulation of air flow by convection current injection nozzles or heat resisting exhauster, thereby realizes the welding method of welded part heating.This kind mode of heating makes the gas temperature of the temperature of printed circuit board (PCB) and components and parts near given heating warm area, has overcome the temperature difference and the capture-effect of IR reflow soldering fully.In forced convertion hot air reflow soldering equipment, the convection velocity of recyclegas is most important, for guaranteeing that recyclegas acts on arbitrary zone of printed board, air-flow must have enough fast speed, this easily causes the shake of slim printed board and moving of components and parts, this in addition mode of heating complex structure, the efficiency of heating surface is relatively poor, and power consumption is big.
The purpose of this utility model provides a kind of heater of infrared reflow-soldering machine simple in structure, heat efficiency height in use, and power consumption is few.
The utility model is achieved in that the heater of infrared reflow-soldering machine, the profile of its outer cover 4 is the rectangular box at the middle no end, fan blade 5 is positioned at the upper position of outer cover 4, and blade shaft 7 passes outer cover 4 and passes through shaft coupling 9 with 8 connections of motor, and motor 8 is fixed on the top of body of heater 10; The stabilier 3 that has ventilation hole is fixed on the middle part of outer cover 4, be positioned at the below of fan blade 5, below stabilier 3, be provided with the heating plate 2 of band ventilation hole, the bottom of the side of heating plate 2 and outer cover 4 sides is fixing tight, the left and right sides of outer cover 4 is provided with the air duct that doubling plate constitutes, the top to the outer cover 4, air duct upper end, the bottom of air duct is provided with ventilation slotted hole 1, and the end face of outer cover 4 is provided with air inlet 6.
Compare with background technology, the beneficial effects of the utility model are:
Because heating plate adopts high-efficiency ceramic far infrared plate to make, the infrared radiation penetration power is strong, heat efficiency height, economize on electricity, simultaneously it has overcome the temperature difference and the capture-effect of IR reflow soldering again effectively, has remedied hot air reflow soldering and the influence that cause too fast to the gas flow rate requirement.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the cutaway view of Fig. 1.
Be described further below in conjunction with embodiment.
The heater of infrared reflow-soldering machine is located at the weld zone in the body of heater 10, and the below of heating plate 2 is for carrying the transport tape 12 of printed circuit board (PCB) 11.Stabilier 3 usefulness corrosion resistant plates are made, and heating plate 2 adopts high-efficiency multiple pottery far infrared substrate to make.Behind the starter motor 8, blade shaft 7 drives fan blade 5 and rotates, wind in outer cover 4 upper chambers flows downward by the ventilation hole of stabilier 3, vent locations on hole on the stabilier 3 and the heating plate 2 is arranged alternately, the wind of blowing down above blows out from ventilation hole to printed circuit board (PCB) 11 by heating plate 2 again, most of hot blast is the top of ventilation slotted hole 1 in the air channel loops back outer cover 4 by 4 liang of side lower parts of outer cover again, cold wind enters by the air inlet 6 of outer cover 4 end faces simultaneously, makes the convection current hot blast form circulation.The printed circuit board (PCB) 11 of heating plate 2 belows is heated and reaches welding temperature rapidly, thereby has realized the reflow welding of printed circuit board.
Claims (1)
1, a kind of heater of infrared reflow-soldering machine, it is characterized in that: the profile of outer cover (4) is the rectangular box at the middle no end, fan blade (5) is positioned at outer cover (4) internal upper part, blade shaft (7) passes outer cover (4) and connects by the same motor shaft of shaft coupling (9) (8), and motor (8) is fixed on the top of body of heater (10); The stabilier (3) that has ventilation hole is fixed on the middle part of outer cover (4), be positioned at the below of fan blade (5), be provided with the heating plate (2) of band ventilation hole in stabilier (3) below, the bottom of the side of heating plate (2) and outer cover (4) side is fixing tight, the left and right sides of outer cover (4) is provided with the air duct that doubling plate is made, the top of air duct upper end to outer cover (4), the bottom of air duct is provided with ventilation slotted hole (1), and the end face of outer cover (4) is provided with air inlet (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99242717 CN2408647Y (en) | 1999-09-22 | 1999-09-22 | Heating device for infrared reflow welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99242717 CN2408647Y (en) | 1999-09-22 | 1999-09-22 | Heating device for infrared reflow welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2408647Y true CN2408647Y (en) | 2000-11-29 |
Family
ID=34029255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99242717 Expired - Fee Related CN2408647Y (en) | 1999-09-22 | 1999-09-22 | Heating device for infrared reflow welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2408647Y (en) |
-
1999
- 1999-09-22 CN CN 99242717 patent/CN2408647Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |