CN2839930Y - Muffle furnace hearth air-inlet and outlet device - Google Patents
Muffle furnace hearth air-inlet and outlet device Download PDFInfo
- Publication number
- CN2839930Y CN2839930Y CN 200520077708 CN200520077708U CN2839930Y CN 2839930 Y CN2839930 Y CN 2839930Y CN 200520077708 CN200520077708 CN 200520077708 CN 200520077708 U CN200520077708 U CN 200520077708U CN 2839930 Y CN2839930 Y CN 2839930Y
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- drawer
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Abstract
The utility model relates to an air inlet and outlet device for a muffle furnace hearth, which belongs to a matching facility of a sintering furnace of the electronic product. The utility model comprises a drawer, wherein the upper part of the drawer is closed by a panel, a set of air inlet holes and a set of air outlet holes are distributed in the length direction of the panel, the bottom is hollow, and the bottom corresponding to the length direction of the panel is distributed with a set of air inlet grooves and a set of air outlet grooves. One end of the drawer is convexly provided with an air passage base which is provided with a set of air inlet interfaces and a set of air outlet interfaces which are connected with one end of an air inlet pipe and one end of an air outlet pipe, and the other ends of the air inlet interfaces and the air outlet interfaces are connected to the air inlet holes and the air outlet holes. The other end of the drawer forms a closing panel. The utility model has the advantages that because the utility model does not need to connect the air inlet pipe and the air outlet pipe on the muffle furnace hearth as the prior art, the muffle furnace hearth is not influenced, and the free expansion and contraction of the hearth can be ensured without deformation.
Description
Technical field
The utility model relates to a kind of furnace muffle inlet and outlet device, belongs to the auxiliary facility of electronic product sintering kiln.
In industrial furnace, the sealed burner hearth that has some gas shield stoves need adopt heat-resistance stainless steel to make, industry is called the steel furnace muffle.For the batch (-type) electric furnace, the inlet and outlet mouth directly is opened on the fixed position of burner hearth, close fire door after, whole body of heater just forms a seal cavity, product is transfixion in stove, is injecting certain gas sometime with under the temperature.The stove of this version is easy to realize Atmosphere Control, yet,, and divide on aspect the length some warm areas are arranged because its burner hearth two ends open wide for the continous way continuous tunnel furnace, product is continuous motion from advancing stove to coming out of the stove, so the Atmosphere Control relative difficult.In order to realize good control, a lot of inlet and outlet mouths must be set, on the length direction of burner hearth so that product is being in the desired atmosphere sometime with under the temperature in the stove to furnace atmosphere.But, because the steel furnace muffle has bigger thermal expansivity in heating process, if be welded on numerous inlet and outlet pipelines on the burner hearth and to pass heating chamber, heat-insulation layer passes to outside the stove, will certainly be construed as limiting freely stretching of steel furnace muffle, cause the distortion of burner hearth, influence the operation of product, serious also can damage heating element heater and body of heater.
Summary of the invention
Task of the present utility model is that a kind of inlet and outlet device that the steel furnace muffle freely stretches, guarantees the indeformable steel furnace muffle of burner hearth that can not influence will be provided.
Task of the present utility model is finished like this, a kind of furnace muffle advances, exhaust apparatus, it comprises a drawer, the top of this drawer is by panel 4 sealings, between on the length direction of panel 4, be furnished with one group of air admission hole 8 and one group of steam vent 6, the bottom is blank, and this bottom is furnished with one group of air inlet duct 9 and one group of air discharge duct 11 between on corresponding to the length direction of panel 4, advance, air discharge duct 9,11 two ends are bound up on the pair of side plates 7, distal process at drawer is provided with an air flue seat 14, being provided with one group on the air flue seat 14 respectively advances, exhaust port 13,15, one group is advanced, exhaust port 13, continue respectively on 15 one group, blast pipe 1, an end of 2, one group is advanced, exhaust port 1,2 the other end is connected to and describedly advances, steam vent 8, the other end at drawer on 6 is formed with a shrouding 5.
The quantity of one group of air admission hole 8 described in the utility model equates with the quantity of one group of steam vent 6, is one each other every a setting.
The quantity of one group of air inlet duct 9 described in the utility model is to equate with the quantity of one group of air discharge duct 11, and the quantity of air inlet duct 9 is consistent with the quantity of air admission hole 6.
Be distributed with the gas that is used for introducing on the air inlet duct 9 described in the utility model and cause the venthole 10 that burner hearth goes by air inlet pipe 1.
The quantity of one group of inlet and outlet interface 13,15 described in the utility model equates with the quantity of air inlet and exhaust piper 1,2 respectively.
Also be provided with one group of probe tube interface 16 on the air flue seat 14 described in the utility model, be connected with an end of one group of probe tube 3 on the probe tube interface 16, and the other end of one group of probe tube 3 be routed on the group interface 17 that is preset on the panel 4.
Also having additional one on the air flue seat 14 described in the utility model is used to make drawer at the gas distribution pipe 12 that forms gas curtain near the position of air flue seat 14.
Advantage of the present utility model is: owing to need not to resemble the air inlet and exhaust piper that continues the prior art on furnace muffle, thereby can not impact furnace muffle, can ensure freely the stretching of burner hearth, indeformable.
Description of drawings
Fig. 1 is an example structure figure of the present utility model.
Fig. 2 is the application implementation side schematic diagram of the utility model on Muffle furnace.
The specific embodiment
In Fig. 1, as drawer, the depth degree that its whole length should be basically advanced 18 (see figure 2)s with furnace muffle matches, the top of drawer is with panel 4 sealings, panel 4 and communicating of drawer chamber only be lean on one every one establish advance, film steam vent 8,6 embodies, know by figure, the quantity of one group of air admission hole 8 is 5, and the quantity of one group of steam vent 6 also is 5, is reciprocity therefore, the inlet and outlet that each air admission hole 8 and each steam vent 6 constitute a warm area.Why saying warm area, is because each regional temperature of furnace muffle is different, therefore different temperature provinces is called warm area.In addition, though provided each inlet and outlet that constitute with respect to 5 warm areas by 5 inlet and outlet holes 8,6 in the drawings, but actual quantity should not be construed as unique, that is to say that the quantity in inlet and outlet hole 8,6 is along with sintering temperature control needs especially along with the respective change of Muffle furnace changeable.
The bottom of drawer is not sealed, and is blank, and forms lattice-shaped by inlet and outlet groove 9,11, and each air inlet duct 9 is corresponding to air admission hole 8, and each air discharge duct 11 is corresponding to steam vent 6.When by described air inlet pipe 1 with gas when air admission hole 8 is incorporated in the air inlet duct 9, then dispute out and enter into furnace muffle 18, and then ground warp air discharge duct 11, steam vent 6, blast pipe 2 are discharged by being distributed in venthole 10 on the air inlet duct 9.With above-mentioned example together, each is to 9,11 inlet and outlet with respect to a warm area of inlet and outlet groove, if be intended to make the utility model to embody more excellent effect, can also between each warm area, gas curtain be set so, disturb mutually between the warm area avoiding, to this, though rice provide in the drawings, as industry be can come to realize fully.
Continue on one group of probe tube interface 16 setting up on the air flue seat 14 end of probe tube 3, and the interface 17 of end in addition on panel 4 of probe tube 3 communicates with the drawer cavity of resorption, though provided three probe tubes 3 in the drawings, specifically quantity can not be restricted therefrom.Why getting three, is the length of considering whole drawer, and selecting two ends is comparatively rational with middle sample point as gas in general, and can satisfy basically and examine the atmosphere situation requirement of knowing in the furnace muffle 18.
Near being close to air flue seat 14, also have additional gas distribution pipe 12, on base plate, be densely covered with qi-emitting hole, when gas distribution pipe 12 goes out gas blowout corresponding to the drawer below the gas distribution pipe 12, cover by qi-emitting hole, thereby form air curtain one, this air curtain custom is called gas curtain, in order to stop the excessive of atmosphere.
The applicant sketches behaviour in service of the present utility model according to Fig. 1 and in conjunction with Fig. 2, the utility model is arranged in promptly be inserted in the furnace muffle 18, and product to be processed places corresponding on the conveyer belt below the drawer 19.Along with Muffle furnace and the utility model are in running order, gas constantly enters burner hearth through air inlet pipe interface 13, air inlet pipe 1, air admission hole 8, venthole 10 by source of the gas, discharge by air discharge duct 11, steam vent 6, blast pipe 2, exhaust port 15 simultaneously, in this process, place on the conveyer belt 19 product for example the copper termination of multilayer ceramic capacitor (MLCC) move along with the row of conveyer belt 19 and enter until sending from the exit from the inlet of furnace muffle 18.In entire work process.Can also obtain the atmosphere situation of the corresponding warm area in the furnace muffle 18 by probe tube 3, so that meet the demands by air inflow is regulated.
In sum, by drawer being placed furnace muffle 18, can avoid on furnace muffle 18 directly connecting air inlet and exhaust piper 1,2 and undermine furnace muffle 18, therefore, advantage of the present utility model and effect are obvious.
Claims (7)
1, a kind of furnace muffle advances, exhaust apparatus, it is characterized in that it comprises a drawer, the top of this drawer is sealed by panel (4), between on the length direction of panel (4), be furnished with one group of air admission hole (8) and one group of steam vent (6), the bottom is blank, and this bottom is furnished with one group of air inlet duct (9) and one group of air discharge duct (11) between on corresponding to the length direction of panel (4), advance, air discharge duct (9), (11) two ends are bound up on the pair of side plates (7), distal process at drawer is provided with an air flue seat (14), being provided with one group respectively on the air flue seat (14) advances, exhaust port (13), (15), one group is advanced, exhaust port (13), (15) continue respectively on one group, blast pipe (1), (2) a end, one group is advanced, exhaust port (1), (2) the other end is connected to and describedly advances, steam vent (8), (6) on, be formed with a shrouding (5) at the other end of drawer.
2, furnace muffle inlet and outlet device according to claim 1 is characterized in that the quantity of described one group of air admission hole (8) equates with the quantity of one group of steam vent (6), is one each other every a setting.
3, furnace muffle inlet and outlet device according to claim 1, the quantity that it is characterized in that described one group of air inlet duct (9) are to equate with the quantity of one group of air discharge duct (11), and the quantity of air inlet duct (9) is consistent with the quantity of air admission hole (6).
4,, it is characterized in that being distributed with on the described air inlet duct (9) gas that is used for introducing and cause the venthole (10) that burner hearth goes by air inlet pipe (1) according to claim 1 or 3 described furnace muffle inlet and outlet devices.
5, furnace muffle inlet and outlet device according to claim 1 is characterized in that the quantity of described one group of inlet and outlet interface (13), (15) equates with the quantity of air inlet and exhaust piper (1), (2) respectively.
6, furnace muffle inlet and outlet device according to claim 1, it is characterized in that also being provided with on the described air flue seat (14) one group of probe tube interface (16), be connected with an end of one group of probe tube (3) on the probe tube interface (16), and the other end of one group of probe tube (3) is routed on the group interface (17) that is preset on the panel (4).
7,, it is characterized in that also having additional on the described air flue seat (14) one and be used to make drawer at the gas distribution pipe (12) that forms gas curtain near the position of air flue seat (14) according to claim 1 or 6 described furnace muffle inlet and outlet devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520077708 CN2839930Y (en) | 2005-11-13 | 2005-11-13 | Muffle furnace hearth air-inlet and outlet device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520077708 CN2839930Y (en) | 2005-11-13 | 2005-11-13 | Muffle furnace hearth air-inlet and outlet device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2839930Y true CN2839930Y (en) | 2006-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520077708 Expired - Fee Related CN2839930Y (en) | 2005-11-13 | 2005-11-13 | Muffle furnace hearth air-inlet and outlet device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2839930Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102812300A (en) * | 2010-04-01 | 2012-12-05 | 伊莱克斯家用产品股份有限公司 | Method for aerating and deaerating an oven, and oven |
| CN103438697A (en) * | 2013-09-04 | 2013-12-11 | 四川有色金源粉冶材料有限公司 | Sintering furnace and method for removing grease and adhesive |
-
2005
- 2005-11-13 CN CN 200520077708 patent/CN2839930Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102812300A (en) * | 2010-04-01 | 2012-12-05 | 伊莱克斯家用产品股份有限公司 | Method for aerating and deaerating an oven, and oven |
| CN103438697A (en) * | 2013-09-04 | 2013-12-11 | 四川有色金源粉冶材料有限公司 | Sintering furnace and method for removing grease and adhesive |
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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 |