CN213790425U - SMT reflow oven exhaust gas filtering device - Google Patents
SMT reflow oven exhaust gas filtering device Download PDFInfo
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- CN213790425U CN213790425U CN202021592018.2U CN202021592018U CN213790425U CN 213790425 U CN213790425 U CN 213790425U CN 202021592018 U CN202021592018 U CN 202021592018U CN 213790425 U CN213790425 U CN 213790425U
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- motor
- filter screen
- heat preservation
- inclined plate
- filtering device
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Abstract
The utility model discloses a waste gas filtering device of an SMT reflow oven, which comprises a heat preservation shell, an air inlet pipe, an electric push rod, a connecting frame, a first motor, a first driving gear, a driven gear, a first rotating shaft, a brush head, an inclined plate, a gear ring, a filter screen, a liquid inlet hole, a second driving gear, a second motor, a second rotating shaft, a third motor, an air outlet pipe, a scraping edge, a vertical plate and a liquid outlet hole, wherein the gear ring is embedded in the middle part of the inclined plate through a bearing, and the filter screen is fixedly connected in the gear ring, the waste gas filtering device of the SMT reflow oven separates large and heavy particles composed of metal, resin and rosin which are rolled in soldering flux steam from the steam through the filter screen, the particles adhered on the steam are thrown out through rotating the filter screen, the particles which are difficult to be thrown out at the bulge part at the top of the filter screen can be brushed down to the top of the inclined plate by the brush head, and finally accumulated heavier liquid is collected through the inclined plate in a concentrated way, meanwhile, the scraping edge is utilized to improve the liquid collecting speed, so that the subsequent procedures are convenient to carry out.
Description
Technical Field
The utility model relates to a SMT reflow oven technical field specifically is a SMT reflow oven exhaust gas filtering device.
Background
The waste gas of SMT reflow soldering is mainly evaporated by the soldering flux in the soldering paste when being heated, a plurality of chemical components harmful to human bodies are in the soldering flux, and if the waste gas of the soldering flux of SMT reflow soldering is not well treated for a long time, the waste gas can cause damage to the bodies of SMT operators. However, the existing exhaust gas filtering device only depends on the self-weight drop collection of liquid drops, and the collection efficiency is low, so that it is necessary to design an exhaust gas filtering device of the SMT reflow oven to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a SMT reflow oven exhaust gas filtering device to solve the problem that proposes among the above-mentioned background art.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a SMT reflow oven waste gas filter equipment, includes the heat preservation casing, the top one side correspondence of heat preservation casing inlays and is equipped with two intake pipes, and the inner wall of heat preservation casing is provided with the swash plate, the middle part of swash plate inlays through the bearing and is equipped with the ring gear, and the inside rigid coupling of ring gear has the filter screen, ring gear and second driving gear intermeshing, and second driving gear rigid coupling is at the output of second motor, the bottom of ring gear is passed through the bearing and is connected with the top of outlet duct, the feed liquor hole has been seted up with heat preservation shells inner wall junction to the lower one side of swash plate, and has seted up out the liquid hole bottom the heat preservation shells inner wall under the feed liquor hole, the swash plate is close to the vertical riser that is provided with in one side bottom of going out the liquid hole, and riser bottom and heat preservation shells inner wall sealing connection.
As a further aspect of the present invention: two the top of the heat preservation casing between the intake pipe still corresponds the rigid coupling and has two electric putter, first motor is installed through the link to electric putter's top output, and the output rigid coupling of first motor has first driving gear, the both sides correspondence meshing of first driving gear has two driven gear, and two driven gear's bottom is the top of two first pivots of rigid coupling respectively, two it is inside that first pivot all runs through the top of heat preservation casing, and the tip rigid coupling has the brush head.
As a further aspect of the present invention: the electric push rod is a DYTZWI type integral straight miniature electro-hydraulic push rod.
As a further aspect of the present invention: the joint of the two brush heads is positioned at the axis of the heat preservation shell, and the length range of the brush heads is positioned at the bulge of the top of the filter screen.
As a further aspect of the present invention: the utility model discloses a filter screen, including filter screen, swash plate top, the other end of second pivot, the heat preservation casing of swash plate top one side outer wall correspondence is installed the third motor, and the output rigid coupling of third motor has the one end of second pivot, the other end of second pivot passes through the bearing with the opposite side inner wall of heat preservation casing and is connected, and just two second pivots divide the swash plate top of locating the filter screen both sides, second pivot side equidistance encircles and is equipped with six scrape the arris, and the axis of second pivot equals the axis of second pivot and the linear distance at swash plate top with the linear distance of scraping the arris outside.
As a further aspect of the present invention: the second motor is fixedly connected to the lower portion of the inner wall of one side of the heat preservation shell.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is: this SMT reflow oven exhaust gas filtering device, by the metal of being rolled in with scaling powder vapour through the filter screen, resin and rosin are constituteed, heavy granule separates from steam, and the adhesion is in the outside of filter screen, throw away the granule of adhesion on it through rotary filter screen, and can brush the granule that filter screen top protruding department is difficult to throw away and fall to the swash plate top, the heavier liquid of last accumulation passes through the swash plate and concentrates the collection, utilize simultaneously to scrape the arris and improve liquid collection speed, be convenient for going on of subsequent handling.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is an overall perspective view of the present invention;
FIG. 2 is a schematic view of the overall internal structure of the present invention;
fig. 3 is a schematic view of a connection structure between a third motor and a second rotating shaft of the present invention;
in the figure: 1. a heat-insulating shell; 2. an air inlet pipe; 3. an electric push rod; 4. a connecting frame; 5. a first motor; 6. a first drive gear; 7. a driven gear; 8. a first rotating shaft; 9. a brush head; 10. a sloping plate; 11. a ring gear; 12. filtering with a screen; 13. a liquid inlet hole; 14. a second driving gear; 15. a second motor; 16. a second rotating shaft; 17. a third motor; 18. an air outlet pipe; 19. scraping edges; 20. a vertical plate; 21. and a liquid outlet hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a waste gas filtering device of an SMT reflow furnace comprises a heat preservation shell 1, wherein two air inlet pipes 2 are correspondingly embedded in one side of the top of the heat preservation shell 1, an inclined plate 10 is arranged on the inner wall of the heat preservation shell 1, a gear ring 11 is embedded in the middle of the inclined plate 10 through a bearing, a filter screen 12 is fixedly connected inside the gear ring 11, the gear ring 11 is meshed with a second driving gear 14, the second driving gear 14 is fixedly connected to the output end of a second motor 15, the bottom of the gear ring 11 is connected with the top end of an air outlet pipe 18 through a bearing, a liquid inlet hole 13 is formed in the connection position of the lower side of the inclined plate 10 and the inner wall of the heat preservation shell 1, a liquid outlet hole 21 is formed in the bottom of the inner wall of the heat preservation shell 1 below the liquid inlet hole 13, a vertical plate 20 is vertically arranged at the bottom of one side of the inclined plate 10 close to the liquid outlet hole 21, and the bottom of the vertical plate 20 is connected with the inner wall of the bottom of the heat preservation shell 1 in a sealing mode;
the top of the heat preservation shell 1 between the two air inlet pipes 2 is also fixedly connected with two electric push rods 3 correspondingly, the top output end of each electric push rod 3 is provided with a first motor 5 through a connecting frame 4, the output end of each first motor 5 is fixedly connected with a first driving gear 6, two driven gears 7 are correspondingly meshed with two sides of each first driving gear 6, the bottoms of the two driven gears 7 are fixedly connected with the top ends of two first rotating shafts 8 respectively, the two first rotating shafts 8 penetrate through the top of the heat preservation shell 1 and extend into the heat preservation shell, and the end parts of the two first rotating shafts are fixedly connected with brush heads 9, so that particles on the top of the filter screen 12 can be brushed away conveniently;
the electric push rod 3 is a DYTZWI type integral straight miniature electric hydraulic push rod, and is convenient for pushing the first motor 5 to move;
the joint of the two brush heads 9 is positioned at the axis of the heat preservation shell 1, and the length range of the brush heads 9 is positioned at the bulge of the top of the filter screen 12, so that particles on the top of the filter screen 12 can be brushed conveniently;
a third motor 17 is correspondingly installed on the outer wall of one side of the heat preservation shell 1 above the top of the inclined plate 10, the output end of the third motor 17 is fixedly connected with one end of a second rotating shaft 16, the other end of the second rotating shaft 16 is connected with the inner wall of the other side of the heat preservation shell 1 through a bearing, two second rotating shafts 16 are respectively arranged above the top of the inclined plate 10 on two sides of the filter screen 12, six scraping edges 19 are annularly arranged on the side surface of the second rotating shaft 16 at equal intervals, and the linear distance between the axis of the second rotating shaft 16 and the outermost side of the scraping edges 19 is equal to the linear distance between the axis of the second rotating shaft 16 and the top of the inclined plate 10, so that liquid drops on the top of the inclined plate 10 can be conveniently scraped towards the bottom;
the second motor 15 is fixedly connected to the lower portion of the inner wall of one side of the heat preservation shell 1, and stability of a connecting position is guaranteed.
The utility model discloses a theory of operation: flux vapor enters the heat preservation shell 1 through the air inlet pipe 2, small liquid drops are generated by the flux vapor due to expansion pressurization force in the process, when the liquid drops are large enough, the liquid drops fall to the top of the inclined plate 10 from air flow, the rest of the vapor passes through the filter screen 12, the filter screen 12 separates large and heavy particles from the vapor and adheres to the outside of the filter screen 12, the rest of the vapor is discharged to the shell of the next process through the air outlet pipe 18, at the moment, the second motor 15 drives the second driving gear 14 to rotate, the gear ring 11 and the filter screen 12 are driven to rotate, and the particles adhered to the filter screen 12 are thrown out; and accessible first motor 5 drives first driving gear 6 rotatory for first driving gear 6 drives two driven gear 7 and first pivot 8 rotatoryly, and then drives brush head 9 and brush the granule that filter screen 12 top arch is difficult to throw away to the swash plate 10 top, because heat preservation casing 1 makes its inside certain temperature that has kept, this makes heavier liquid trickle along swash plate 10, third motor 17 drives simultaneously and scrapes the arris 19 rotation on the second pivot 16, scrape liquid to the swash plate 10 one side at feed liquor hole 13 place, drop to swash plate 10 below and collect through feed liquor hole 13 at last, discharge through play liquid hole 21 at last.
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.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The waste gas filtering device of the SMT reflow oven is characterized by comprising a heat-insulating shell (1), wherein two air inlet pipes (2) are correspondingly embedded in one side of the top of the heat-insulating shell (1), an inclined plate (10) is arranged on the inner wall of the heat-insulating shell (1), a gear ring (11) is embedded in the middle of the inclined plate (10) through a bearing, a filter screen (12) is fixedly connected to the inside of the gear ring (11), the gear ring (11) is mutually meshed with a second driving gear (14), the second driving gear (14) is fixedly connected to the output end of a second motor (15), the bottom of the gear ring (11) is connected with the top end of an air outlet pipe (18) through the bearing, a liquid inlet hole (13) is formed in the joint of the lower side of the inclined plate (10) and the inner wall of the heat-insulating shell (1), and a liquid outlet hole (21) is formed in, the bottom of one side of the inclined plate (10) close to the liquid outlet hole (21) is vertically provided with a vertical plate (20), and the bottom of the vertical plate (20) is hermetically connected with the inner wall of the bottom of the heat preservation shell (1).
2. An SMT reflow oven exhaust gas filtering device according to claim 1, wherein the top of the heat preservation housing (1) between the two air inlet pipes (2) is further fixedly connected with two electric push rods (3) correspondingly, the top output ends of the electric push rods (3) are provided with a first motor (5) through a connecting frame (4), the output end of the first motor (5) is fixedly connected with a first driving gear (6), two driven gears (7) are correspondingly meshed on two sides of the first driving gear (6), the bottoms of the two driven gears (7) are fixedly connected with the top ends of two first rotating shafts (8) respectively, the two first rotating shafts (8) penetrate through the top of the heat preservation housing (1) and extend into the heat preservation housing, and the brush heads (9) are fixedly connected to the end portions of the first rotating shafts.
3. An SMT reflow oven exhaust gas filtering device according to claim 2, wherein the electric push rod (3) is a DYTZWI type integral straight micro electro-hydraulic push rod.
4. An SMT reflow oven exhaust gas filtering device according to claim 2, wherein the junction of the two brush heads (9) is located at the axis of the heat-preserving housing (1), and the length range of the brush heads (9) is located at the top projection of the filter screen (12).
5. An SMT reflow oven exhaust gas filtering device according to claim 1, wherein a third motor (17) is correspondingly installed on an outer wall of one side of the heat preservation housing (1) above the top of the inclined plate (10), an output end of the third motor (17) is fixedly connected with one end of a second rotating shaft (16), the other end of the second rotating shaft (16) is connected with an inner wall of the other side of the heat preservation housing (1) through a bearing, the two second rotating shafts (16) are respectively arranged above the tops of the inclined plates (10) on two sides of the filter screen (12), six scraping ribs (19) are annularly arranged on the side of the second rotating shaft (16) in an equidistant mode, and the linear distance between the axis of the second rotating shaft (16) and the outermost side of the scraping ribs (19) is equal to the linear distance between the axis of the second rotating shaft (16) and the top of the inclined plate (10).
6. An SMT reflow oven exhaust gas filtering device according to claim 1, wherein the second motor (15) is fixedly connected to a lower portion of one side inner wall of the heat preservation housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021592018.2U CN213790425U (en) | 2020-08-04 | 2020-08-04 | SMT reflow oven exhaust gas filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021592018.2U CN213790425U (en) | 2020-08-04 | 2020-08-04 | SMT reflow oven exhaust gas filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213790425U true CN213790425U (en) | 2021-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021592018.2U Active CN213790425U (en) | 2020-08-04 | 2020-08-04 | SMT reflow oven exhaust gas filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213790425U (en) |
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2020
- 2020-08-04 CN CN202021592018.2U patent/CN213790425U/en active Active
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