CN201000265Y

CN201000265Y - Drying module

Info

Publication number: CN201000265Y
Application number: CNU2007200023189U
Authority: CN
Inventors: 张玉祯; 陈锦秀
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-02-06
Filing date: 2007-02-06
Publication date: 2008-01-02
Anticipated expiration: 2017-02-06

Abstract

The utility model relates to a drying module used in an automatilized machinery for drying a circuit board, which comprises a reverse U-shaped slot body, at least a heater, and at least a radiator, wherein a plurality of through holes are formed on the front surface of the drying module, and a plurality of separating plates are arranged on the front surface of the slot body; the heater is arranged between the front surface of the slot body and the separating plates, to form a plurality of heating intervals; and the radiator is arranged on the back surface of the slot body, corresponding to the heating intervals, to dispel the excessive heat in the heating intervals. At least one heater is arranged on the front surface of the drying module, and equally divided into a plurality of heating intervals, and at least one radiator is arranged on the back surface thereof, to control the temperature of each heating interval, thereby, the anti-welding printing ink on the circuit board can be baked uniformly.

Description

The oven dry module

Technical field

The utility model relates to the automated machine of drying circuit plate, is meant the oven dry module of tunnel type baking machine especially.

Background technology

The part assembly mode of electronic building brick on the present circuit common plate, be to be divided into double standard packaging (Dualin-linepackage, DIP) with surface mount technology (Surface Mount Technology, SMT), these two kinds of assembly modes all must be carried out anti-welding processing with circuit board earlier, are coated with one deck anti-solder ink earlier at the position that does not need to adhere to scolding tin, make it after the overbaking drying, form anti-welding zone, after entering the tin stove, just can not be stained with scolding tin.

See also Fig. 1, structural representation for existing baking machine, as shown in FIG., its baking machine 10 is to include one to be tunnel-shaped casing 101, one conveying device 102, several heaters 103 and several fans 104, be that 102 groups of conveying devices are located at casing 101 central portions, and casing 101 is divided into two sections, group is provided with heater 103 respectively on the two side of leading portion, back segment casing 101 two sides are then organized and are provided with several fans 104, after circuit board 20 is transferred device 102 and sends into casing 101 in upright mode, at first, through behind the heating, drying of heater 103, then force cooling by fan 104 again, to reach the purpose of oven dry anti-solder ink; But during practical operation, when circuit board 20 was dried, its heater 103 also can relatedly add hot-air, made air be heated the back in casing 101 inner generation thermal convection currents, its hot-air can rise, cold air can descend, so the top of the temperature in the casing 101 greater than the below, and causes the anti-solder ink oven dry on the circuit board 20 unequal, for it is dried fully, circuit board 20 tops can excessively be dried again, and it would, of course, also be possible to causes the rotten of anti-solder ink, and influences ensuing processing procedure.

Summary of the invention

Main purpose of the present utility model aims to provide the oven dry module that a kind of drying circuit plate is used, the problem that the quality that can avoid the temperature difference to cause is bad.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of oven dry module is applied in the automated machine of a drying circuit plate, and it is characterized in that: it comprises:

One is the cell body of ㄇ font, and the front is to be formed with a plurality of open-works, and is provided with a plurality of dividing plates in the positive group of described cell body; At least one heater, group are located between described cell body front and described a plurality of dividing plate, to form a plurality of heating intervals; And at least one radiator, group is located at the described cell body back side, and corresponding to a plurality of heating intervals.

Preferable, technique scheme can also be added following technical characterictic:

Most described oven dry modules are further formed a plane in mode side by side.

Described a plurality of heating interval is organized respectively and is provided with a temperature inductor, and is electrically connected to described radiator.

Described cell body front is that group is provided with a honey comb like dividing plate.

Described cell body is that group is located at described automated machine one conveying device one side.

Described heater is an electrothermal tube.

Described heater is an infrared ray heating tube.

Described heater is a ultraviolet heating tube.

Described heater is a far-infrared heating tube.

Described radiator is also formed with a wind-collecting cover, an air exhauster and a tube connector, and described wind-collecting cover is that group is located at the described cell body back side, by a tube connector described wind-collecting cover is connected with described air exhauster.

Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be: can control the temperature of its each thermal treatment zone, and the anti-solder ink on the even drying circuit plate.

Description of drawings

Fig. 1 is the structural representation of existing baking machine;

Fig. 2 is the application schematic diagram of the utility model preferred embodiment;

Fig. 3 is the three-dimensional exploded view of the utility model preferred embodiment;

Fig. 4 is the use schematic diagram of the utility model preferred embodiment;

Fig. 5 is the schematic diagram of the another preferred embodiment of the utility model;

Fig. 6 is the utility model schematic diagram of a preferred embodiment again;

Fig. 7 is the schematic diagram of another preferred embodiment of the utility model;

Fig. 8 is the another application schematic diagram of the utility model preferred embodiment;

Fig. 9 is an application schematic diagram again of the utility model preferred embodiment.

Description of reference numerals: 10-baking machine; The 101-casing; The 102-conveying device; The 103-heater; The 104-fan; The 20-circuit board; 30-is dried module; The 301-cell body; The 3011-flanging; The 3012-open-work; The 3013-dividing plate; The 302-heater; The 3021-heating interval; The 303-radiator; The 3031-temperature inductor; The 3032-wind-collecting cover; The 3033-air exhauster; The 3034-tube connector; The 40-baking machine; The 401-conveying device; The 402-casing; The 50-circuit board.

The specific embodiment

See also Fig. 2, application schematic diagram for the utility model preferred embodiment, as shown in FIG., its oven dry module 30 is mainly used in the tunnel type baking machine 40, and can be used to dry the anti-solder ink that is coated on a circuit board 50 two sides, and will dry module 30 and form a plane in mode side by side, organize a conveying device 401 both sides that are located at baking machine 40 more respectively, by drying the plane that module 30 is formed, and on forming, in, a plurality of heating intervals 3021 of lower floor, so that conveying device 401 can drive circuit board 50 when moving forward in upright mode, dry circuit board 50 on the plane that relies on both sides oven dry module 30 to be formed, during its heating, in a casing 402 of baking machine 40, produce hot-air to flow phenomenon, make the temperature of the temperature height on upper strata at bottom, so the anti-solder ink of circuit board 50 epimeres can be very fast dry, therefore, the utility model designer is that the hot-air that adopts radiator 303 will hoard on casing 402 upper stratas is dispersed, the feasible heating surface temperature that is used for drying circuit plate 50 reaches unanimity, circuit board 50 can be dried equably, the quality during with increase drying circuit plate 50.

See also Fig. 3, three-dimensional exploded view for the utility model preferred embodiment, as shown in FIG., and oven dry module 30 is to comprise: one is the cell body 301 of ㄇ font, its cell body 301 both sides form flanging 3011, and be to be formed with a plurality of open-works 3012 in cell body 301 fronts, rely on the flanging 3011 of cell body 301 both sides to organize and be provided with a plurality of dividing plates 3013, make the space that is formed with between dividing plate 3013 and cell body 301 fronts for placement heater 302; At least one heater 302, be general common electrothermal tube, infrared ray heating tube, ultraviolet heating tube or far-infrared heating tube or the like, and can be separately or the complex way group be located at cell body 301 fronts, in the space of a plurality of dividing plates 3013, its cell body 301 fronts just form a heating surface, rely on its a plurality of dividing plates 301 3 with this heating surface again, be divided into a plurality of heating intervals 3021, the design purpose of its heating interval 3021 exactly heat can be concentrated, and can be used as the design of adjustment temperature out of the ordinary; And at least one radiator 303, group is located at cell body 301 back sides, and corresponding to a plurality of heating intervals 3021, to disperse the excessive heat of heating interval 3021; Again, its a plurality of heating intervals 3021 are organized respectively and are provided with a temperature inductor 3031, are electrically connected to each other radiator 303 again, to adjust the temperature of each heating interval 3021 of control.

See also Fig. 4, use schematic diagram for the utility model preferred embodiment, as shown in FIG., when aforementioned baking machine 40 heats, can send the heat of oven dry usefulness by the heating surface that oven dry module 30 is formed, and in baking machine 40 1 casings 402, produce the thermal convection current phenomenon, its hot-air can rise, therefore and cold air can descend, and in the temperature height on the casing 402 upper stratas temperature at bottom, the heat that utilizes radiator 303 will hoard at upper strata heating interval 3021 is dispersed, on its heating surface, in, the temperature of lower floor all can reach unanimity, so circuit board 50 can be dried equably, to increase the quality of drying circuit plate 50, again, for asking the realization of automation, be that group is provided with temperature inductor 3031 in its heating interval 3021, after it is electrically connected to radiator 303, but Auto-Sensing Temperature Distribution and dispelling the heat.

See also Fig. 5, schematic diagram for the another preferred embodiment of the utility model, as shown in FIG., practicality when using for increasing, cell body 301 positive groups in oven dry module 30 are provided with a plurality of heaters 302, and increase needed heat, and reduce the cost expenditure when making cell body 301, can the person's of being used demand make the change size, with the set-up mode of heater 302.

See also Fig. 6, be the utility model schematic diagram of a preferred embodiment again, as shown in FIG., the design of its dividing plate 3013 also can adopt another kind of mode, be that group is provided with a honey comb like dividing plate 3013 exactly in cell body 301 fronts, its honey comb like moulding equally can be with heater 302 at the cell body 301 positive heating surfaces that form, be divided into a plurality of heating intervals 3021, and have the effect that heat is concentrated.

See also Fig. 7, schematic diagram for another preferred embodiment of the utility model, as shown in FIG., its radiator 303 also can be made up of a wind-collecting cover 3032, an air exhauster 3033 and a tube connector 3034, so that being established for 3032 groups, wind-collecting cover is coated on cell body 301 back sides, make 3032 one-tenth connected states of cell body 301 and wind-collecting cover, again by a tube connector 3034 with wind-collecting cover 3032 with after air exhauster 3033 is connected, after making air exhauster 3033 runnings, the heat that can fast whole cell body 301 fronts be hoarded disperses fast.

See also Fig. 8, another application schematic diagram for the utility model preferred embodiment, as shown in FIG., the direction that the conveying device 401 of its baking machine 40 is provided with, also be related to the direction that oven dry module 30 is provided with, when conveying device 401 is when being horizontally disposed with, its oven dry module 30 mode is side by side formed one side, be separately positioned on this conveying device 401 on, the below, therefore, when circuit board 50 is horizontal mode and drives forward, its radiator 303 that is positioned at the oven dry module 30 of top can turn round, and will disperse to the hot gas that rises, and whole box body 402 temperature inside are all reached unanimity, on it, but two oven dry modules, 30 power circuit boards 50 are dried module 30 to dry equably in the process of transporting down.

See also Fig. 9, application schematic diagram again for the utility model preferred embodiment, as shown in FIG., the direction that is provided with for the conveying device 401 that cooperates baking machine 40, when conveying device 401 is oblique the setting, to dry module 30 more again in the mode of individual interleaving, be arranged on this conveying device 401 on, the below, therefore, when circuit board 50 drove forward, a plurality of oven dry modules 30 radiators 303 that are positioned at the top will entry into service, and will disperse to the hot gas that rises, aforementioned casing 402 temperature inside are all reached unanimity, on it, but two oven dry modules, 303 power circuit boards 50 are dried module 30 to dry equably in the process of transporting down.

As mentioned above, the utility model is after it implements according to this, and the oven dry module that provides a kind of drying circuit plate to use really can make whole temperature inside reach unanimity, with the bad problem of the quality of avoiding the temperature difference to cause.

More than explanation is just illustrative for the utility model, and it is nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited, can make many modifications, variation or equivalence, but but all will fall within the claim restricted portion of the present utility model.

Claims

1. an oven dry module is applied in the automated machine of a drying circuit plate, and it is characterized in that: it comprises:

One is the cell body of ㄇ font, and the front is to be formed with a plurality of open-works, and is provided with a plurality of dividing plates in the positive group of described cell body;

At least one heater, group are located between described cell body front and described a plurality of dividing plate, to form a plurality of heating intervals; And

At least one radiator, group is located at the described cell body back side, and corresponding to a plurality of heating intervals.

2. oven dry module according to claim 1 is characterized in that: most described oven dry modules are further formed a plane in mode side by side.

3. oven dry module according to claim 1 is characterized in that: described a plurality of heating intervals are organized respectively and are provided with a temperature inductor, and are electrically connected to described radiator.

4. oven dry module according to claim 1 is characterized in that: described cell body front is that group is provided with a honey comb like dividing plate.

5. oven dry module according to claim 1 is characterized in that: described cell body is that group is located at described automated machine one conveying device one side.

6. oven dry module according to claim 1 is characterized in that: described heater is an electrothermal tube.

7. oven dry module according to claim 1 is characterized in that: described heater is an infrared ray heating tube.

8. oven dry module according to claim 1 is characterized in that: described heater is a ultraviolet heating tube.

9. oven dry module according to claim 1 is characterized in that: described heater is a far-infrared heating tube.

10. oven dry module according to claim 1, it is characterized in that: described radiator is also formed with a wind-collecting cover, an air exhauster and a tube connector, described wind-collecting cover is that group is located at the described cell body back side, by a tube connector described wind-collecting cover is connected with described air exhauster.