CN111135991A - Silver colloid sintering oven for light-emitting diode production - Google Patents
Silver colloid sintering oven for light-emitting diode production Download PDFInfo
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- CN111135991A CN111135991A CN201911271939.0A CN201911271939A CN111135991A CN 111135991 A CN111135991 A CN 111135991A CN 201911271939 A CN201911271939 A CN 201911271939A CN 111135991 A CN111135991 A CN 111135991A
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- air
- wind
- oven
- choke plate
- emitting diode
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
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Abstract
The invention relates to the technical field of diode production, and discloses a silver adhesive sintering oven for producing a light-emitting diode, which comprises an outer shell, wherein the silver adhesive sintering oven for producing the light-emitting diode is characterized in that a choke plate is arranged in the inner part of the inner shell and is close to two tray supports, wind eyes with the same degree as a first wind eye are arranged on the choke plate, a speed reducing plate positioned at the upper part of a second wind eye is arranged at one side of the choke plate close to the tray supports, so that hot wind jetted from the first wind eye can impact the surface of the choke plate to generate a certain explosion dispersion effect, part of the hot wind can continuously impact the speed reducing plate through the second wind eye, the wind speed is buffered through the folding direction of the speed reducing plate, and the other part of the hot wind enters the oven through subsequent hot wind extrusion, so that the wind speed of the hot wind entering the oven is greatly reduced, thereby guaranteed the position stability of the part that the silver glue and the needs solidification on the diode, improved the product quality after the stoving.
Description
Technical Field
The invention relates to the technical field of diode production, in particular to a silver colloid sintering oven for producing a light-emitting diode.
Background
The diode need in the production process point silver glue on the LED support earlier, removes the corresponding position on the support with the LED lamp again, then puts into the oven with whole diode and carries out the sintering, produces the distinguished and admirable at big wind cavity through the fan, and the distinguished and admirable electrothermal tube that passes through wherein becomes hot-blastly to utilize hot-blastly high temperature to make the solidification of silver glue, thereby make emitting diode internal connection stable, but current oven has following problem in the use all the time:
1. the existing air supply modes of the oven are divided into a horizontal mode and a vertical mode, wherein the air supply mode in the horizontal direction is that an air inlet hole is formed in one side of an inner shell, air flow generated by a fan enters the oven through the air inlet hole, the diode placed in the oven is sintered by means of transverse movement in the oven, and then air is discharged from the air outlet hole in the other side.
2. The existing horizontal air supply mode is that hot air is directly sent into the oven through the air inlet hole, and the silver colloid on the upper point of the diode needing to be sintered is in a liquid fluid state, so that the position deviation of a part needing to be fixed by the silver colloid before the silver colloid is not cured can easily occur, the existing direct air supply mode enables the hot air passing through the air inlet hole to directly generate a stronger blowing effect on the silver colloid on the diode close to the air inlet hole and the part needing to be connected by the silver colloid curing, the part is enabled to displace on the support, the quantity of unqualified products after the later-period curing is finished is increased, the qualification rate of the products is reduced, and meanwhile, the waste of raw materials is also improved.
Disclosure of Invention
The invention provides a silver colloid sintering oven for producing a light-emitting diode, which has the advantages of uniform hot air distribution, high product quality and high product qualification rate and solves the problems in the background technology.
The invention provides the following technical scheme: the utility model provides a LED production is with silver colloid sintering oven, includes the shell body, the inside fixed interior casing that is equipped with of shell body, first air inlet hole has been seted up respectively to the both sides of interior casing, one side fixed mounting on shell body upper portion has the motor, fixed mounting has the flabellum in the pivot of motor, the inside both sides fixed mounting of interior casing has the choke plate, the second air inlet hole has been seted up on the choke plate, one side fixed mounting that the choke plate was the interior casing inner wall dorsad has the slowdown plate, there is the palette frame at the inside both ends of interior casing through base fixed mounting, the dish of placing has been placed in the activity on the palette frame, the inside middle part fixed mounting of interior casing has a wind storehouse, the wind eye has been seted up respectively to the.
Preferably, the choke plate is fixedly connected with the front surface, the back surface, the upper surface and the lower surface of the inner wall of the inner shell respectively, and the second air inlet hole is formed in the choke plate from top to bottom.
Preferably, the length of the speed reduction plate is the same as the total length occupied by the second air inlet holes formed in the choke plate, and the speed reduction plate is fixedly installed on the upper portion of the air outlet end of each second air inlet hole and is inclined downwards.
Preferably, the air outlet bin is divided into a left half and a right half by the part inside the inner shell, and one end of air outlet of the air outlet bin is arranged between the fan blade and the inner wall of the outer shell.
Preferably, the air outlet hole is formed in the part of the air outlet bin, which is located inside the inner shell, and the length of the air outlet hole is greater than the height of the tray frame and smaller than the height of the inner shell.
The invention has the following beneficial effects:
1. the silver colloid sintering oven for producing the light-emitting diode is characterized in that an air outlet position in a horizontal air inlet mode is arranged in the middle of the oven, the two sides of the oven are both used as air inlet sides through the circulation of hot air in the large air cavity, so that the interior of the oven is divided into two sides with symmetrical middle parts in a horizontal air inlet mode, thereby shortening the drying path of each side, reducing the temperature difference of the entering hot air at the two ends of the drying structure of each side, improving the consistency of the drying effect of each side, meanwhile, the cooled air in the air outlet bin is forcibly sucked away by means of the air outlet end of the air outlet bin at the air suction side of the fan blades, therefore, pressure difference is generated between the inner side and the outer side of the part of the air outlet bin positioned in the oven, hot air on the two sides can flow directionally under the effect of the pressure difference by utilizing the pressure difference, the air on the two sides can enter the air outlet bin by utilizing the pressure difference and then is discharged, and the drying efficiency of the whole device is improved.
2. This silver colloid sintering oven is used in emitting diode production, through installing the choke plate in the inside between being close to two tray support of inner casing, and set up the eye with the same degree of first air inlet on the choke plate, and install the slowdown plate that is located second air inlet upper portion in one side that the choke plate is close to tray support, make the hot-blast that erupts in the first air inlet can strike behind the surface of choke plate and can produce certain explosion dispersion effect, make one part of them hot-blast can continue to strike the slowdown plate through second air inlet, through the book of slowdown plate to the buffering, and another part of hot-blast then passes through in subsequent hot-blast extrusion gets into the oven, make the inside hot-blast wind speed greatly reduced of getting into the oven, thereby the position stability of the silver colloid on the assurance diode and the part that needs the solidification, improve the product quality after the stoving.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a choke plate and a back side of the structure of the present invention;
FIG. 3 is a schematic view of the wind direction trend at the air inlet of the structure of the present invention;
FIG. 4 is a schematic view of the wind direction trend of the wind outlet eye of the present invention.
In the figure: 1. an outer housing; 2. an inner housing; 3. a first air inlet eye; 4. a choke plate; 5. a second air inlet eye; 6. a speed reduction plate; 7. a motor; 8. a fan blade; 9. a tray rack; 10. placing a tray; 11. an air outlet bin; 12. and (4) air outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1-4, a silver colloid sintering oven for light emitting diode production, which comprises an outer shell 1, an inner shell 2 is fixedly arranged inside the outer shell 1, first air inlet holes 3 are respectively arranged on two sides of the inner shell 2, a motor 7 is fixedly arranged on one side of the upper part of the outer shell 1, a fan blade 8 is fixedly arranged on a rotating shaft of the motor 7, choke plates 4 are fixedly arranged on two sides of the inner shell 2, a second air inlet hole 5 is arranged on the choke plate 4, a decelerating plate 6 is fixedly arranged on one side of the inner wall of the inner shell 2, which is back to the choke plate 4, tray frames 9 are fixedly arranged at two ends inside the inner shell 2 through bases, a placing tray 10 is movably arranged on the tray frames 9, an air outlet bin 11 is fixedly arranged in the middle part of the inner shell 2, and air outlet holes.
Wherein, choke plate 4 respectively with the front of interior casing 2 inner wall, the back, above-mentioned and following fixed connection, choke plate 4 from the top down is equipped with second air inlet 5, just so formed a little wind cavity between the inner wall of interior casing 2 and one side of choke plate 4, hot-blast wherein most can get into the oven through second air inlet 5 inside, and the hot-blast replenishment of less than can be through follow-up hot-blast extrusion entering oven, the effect of blockking through choke plate 4 tentatively has reduced the hot-blast direct impact to the silver glue on the diode after 3 through first air inlet, the quality of product after the solidification has tentatively been guaranteed like this.
The length of the speed reducing plate 6 is the same as the total length occupied by the second air inlet holes 5 formed in the choke plate 4, the speed reducing plate 6 is fixedly installed on the upper portion of the air outlet end of each second air inlet hole 5 and inclines downwards, the wind speed entering the second air inlet holes 5 is reduced due to the preliminary blocking effect of the choke plate 4, hot air entering the second air inlet holes 5 can collide with the speed reducing plate 6 after passing through the second air inlet holes 5, the moving direction of the hot air is deflected, the wind speed of the hot air is further reduced while the wind direction of the hot air is changed, the situation that the wind speed of the hot air entering the oven does not affect the positions of parts at the silver colloid position is guaranteed, meanwhile, the internal hot air quantity and the hot air retention time can be increased due to low wind speed, the hot air utilization rate is improved, and the quality and the speed of product curing are improved.
Wherein, the air outlet bin 11 divides the whole oven into a left half and a right half in the inner part of the inner shell 2, one end of the air outlet bin 11 is arranged between the fan blade 8 and the inner wall of the outer shell 1, the end of the air outlet bin 11 can generate stronger negative pressure at the position due to the rotation of the fan blade 8, the negative pressure can suck out the hot air cooled in the air outlet bin 11 and blow the hot air to the electric heating pipe again by the fan blade 8 for heating, thereby ensuring the high fluidity of the hot air inside the air outlet bin 11 and the normal discharge of the cooled hot air, and simultaneously, because the inside of the oven is divided into two parts which are equal to each other at the left and the right, the original mode of air inlet at one side and air outlet at the other side can be replaced by the mode of air inlet at the two sides and air outlet at the middle, the one-way traveling distance of hot air is reduced, the temperature drop of the one-way hot air is reduced, the sintering effect of diodes in each part of the oven is improved, and the product quality is improved.
Wherein, the air outlet 12 is opened in the part that the air-out storehouse 11 is located interior casing 2 inside, and it sets up the height that length is greater than tray frame 9 and is less than interior casing 2's height, because the hot-blast negative pressure that the rotatory production of flabellum 8 of the inside refrigerated back of air-out storehouse 11 is inhaled after, the inside of air-out storehouse 11 also can produce certain negative pressure under the 11 other end confined circumstances of air-out storehouse, and this negative pressure effect can make the hot-blast in oven two parts flow with orientation on the one hand, guarantee the dry effect of solidification, on the other hand also can make under the effect of negative pressure the hot-blast in oven two parts can utilize the pressure difference to enter into air-out storehouse 11 after the cooling in, thereby the inside heated air circulation of whole oven has been realized, the normal work of oven has been.
When in work, the diode to be sintered is put into the oven, the oven door is closed, at the moment, the power supply is switched on, the electric heating tube is heated, the motor 7 is started, the fan blade 8 rotates to supply air into the large air cavity, cold air is changed into hot air through the electric heating tube, the hot air enters the small air cavity through the first air inlet hole 3, a small part of the hot air is blocked by the choke plate 4 and stays in the small air cavity, a large part of the hot air passes through the second air inlet hole 5 and then impacts the speed reduction plate 6, the impacted hot air flows in the oven, and meanwhile, the rotation of the fan blade 8 can form negative pressure at one side close to the motor 7, therefore, the hot air after the inside of the air outlet bin 11 is cooled is sucked out, negative pressure is generated inside the air outlet bin 11, the hot air in the two sides inside the oven is enabled to flow directionally at a constant speed under the condition of the negative pressure, finally enters the air outlet bin 11, and then returns to the fan blade 8 through the air outlet bin 11 to be heated circularly again.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a LED production is with silver colloid sintering oven, includes shell body (1), its characterized in that: an inner shell (2) is fixedly arranged inside the outer shell (1), two sides of the inner shell (2) are respectively provided with a first air inlet hole (3), a motor (7) is fixedly arranged on one side of the upper part of the outer shell (1), a rotating shaft of the motor (7) is fixedly provided with fan blades (8), two sides of the inner part of the inner shell (2) are fixedly provided with a choke plate (4), the choke plate (4) is provided with a second air inlet hole (5), a speed reducing plate (6) is fixedly arranged on one side of the choke plate (4) back to the inner wall of the inner shell (2), the two ends in the inner shell (2) are fixedly provided with a tray rack (9) through a base, tray (10) are placed in the activity on tray frame (9), the inside middle part fixed mounting of interior casing (2) has air-out storehouse (11), air outlet hole (12) have been seted up respectively to the both sides that go out air storehouse (11).
2. The silver colloid sintering oven for producing the light-emitting diode according to claim 1, characterized in that: the choke plate (4) is fixedly connected with the front, the back, the upper surface and the lower surface of the inner wall of the inner shell (2) respectively, and a second air inlet hole (5) is formed in the choke plate (4) from top to bottom.
3. The silver colloid sintering oven for producing the light-emitting diode according to claim 1, characterized in that: the length of the speed reducing plate (6) is the same as the total length occupied by the second air inlet holes (5) formed in the choke plate (4), and the speed reducing plate (6) is fixedly installed on the upper portion of the air outlet end of each second air inlet hole (5) and inclines downwards.
4. The silver colloid sintering oven for producing the light-emitting diode according to claim 1, characterized in that: the inside part of casing (2) is equallyd divide into about two halves including air-out storehouse (11), the one end setting of air-out storehouse (11) air-out is between flabellum (8) and shell body (1) inner wall.
5. The silver colloid sintering oven for producing the light-emitting diode according to claim 1, characterized in that: the air outlet holes (12) are arranged on the part of the air outlet bin (11) located inside the inner shell (2), and the length of the air outlet holes is larger than the height of the tray frame (9) and smaller than the height of the inner shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911271939.0A CN111135991A (en) | 2019-12-12 | 2019-12-12 | Silver colloid sintering oven for light-emitting diode production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911271939.0A CN111135991A (en) | 2019-12-12 | 2019-12-12 | Silver colloid sintering oven for light-emitting diode production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111135991A true CN111135991A (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911271939.0A Withdrawn CN111135991A (en) | 2019-12-12 | 2019-12-12 | Silver colloid sintering oven for light-emitting diode production |
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| Country | Link |
|---|---|
| CN (1) | CN111135991A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114023864A (en) * | 2021-09-22 | 2022-02-08 | 深圳市华笙光电子有限公司 | Oven for LED packaging |
-
2019
- 2019-12-12 CN CN201911271939.0A patent/CN111135991A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114023864A (en) * | 2021-09-22 | 2022-02-08 | 深圳市华笙光电子有限公司 | Oven for LED packaging |
| CN114023864B (en) * | 2021-09-22 | 2023-07-07 | 深圳市华笙光电子有限公司 | Oven for LED encapsulation |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200512 |
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| WW01 | Invention patent application withdrawn after publication |