CN205914863U - Vacuum eutectic furnace - Google Patents
Vacuum eutectic furnace Download PDFInfo
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- CN205914863U CN205914863U CN201620134920.7U CN201620134920U CN205914863U CN 205914863 U CN205914863 U CN 205914863U CN 201620134920 U CN201620134920 U CN 201620134920U CN 205914863 U CN205914863 U CN 205914863U
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- heater
- furnace body
- microscope carrier
- lower heater
- mounting bracket
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Abstract
The utility model discloses a vacuum eutectic furnace, including last furnace body, down furnace body, microscope carrier, go up the heater, go up the heater installing support, down the heater, down the heater installing support, go up cooling tube and cooling tube down. The rear end of furnace body is equipped with the vacuum connector down, and upper and lower heater installing support is mirror surface frame -shaped construction respectively, and upper and lower heater installing support is fixed respectively in upper and lower furnace body, and upper and lower heater mutually perpendicular arranges respectively and fixes on upper and lower heater installing support, and the microscope carrier is located between the upper and lower heater, still is stamped the mirror surface backplate on the upper and lower heater tip interface respectively. Structure after the improvement, rate of heating is fast, be heated that even, hot radiation effect is good, small, with low costs, the suitability is good, is fit for the welding needs of small batch volume production article.
Description
Technical field
This utility model is related to a kind of soldering furnace for welding in vacuum environment, particularly to a kind of have be rapidly heated, the Vacuum Eutectic stove of efficient welding function, belong to field of welding devices.
Background technology
Vacuum Eutectic stove is a kind of specialty, the equipment for welding circuit board use, and its structure specifically includes that controller, salable cavity, vacuum extractor, heater, microscope carrier and chiller etc..Microscope carrier is located in salable cavity, microscope carrier is used for put circuit board to be welded.Heater and chiller correspond respectively to the lower section of microscope carrier, and are connected respectively with controller, under the regulation and control of controller, complete intensification or the temperature-fall period of microscope carrier.Vacuum extractor is arranged on the outside of salable cavity, and vacuum extractor carries out evacuation process in salable cavity, to ensure that welding process carries out it is ensured that welding quality under anaerobic state, reduces the internal voidage of welding, the reliability of raising weldment simultaneously.
During the welding of Vacuum Eutectic stove, with heating curve as control core, by being rapidly heated, constant temperature welding, quick cool down, complete efficient, accurate, the reliable welding process of circuit board.It does not require nothing more than that heater is high to the efficiency of heating surface of microscope carrier, programming rate is fast, is heated evenly, and also requires chiller microscope carrier and salable cavity quickly can be cooled down, to shorten weld interval.
Limited by vacuum extractor, heater and chiller structure, although existing Vacuum Eutectic stove has a preferable welding quality, higher stability, shorter weld interval, but volume is larger, installs, debugging is complicated, for small-scale processing enterprise, high cost, cost performance is poor.
Then, design a kind of small-sized, efficient, stable Vacuum Eutectic stove, with regard to becoming the problem that this utility model is wanted to solve.
Content of the invention
In view of above-mentioned existing situation, this utility model aim to provide a kind of compact conformation, easy to use, heat conduction efficiency is high, be heated evenly, the Vacuum Eutectic stove of miniaturization, to meet the use needs of user, simplify and use process.
This utility model is achieved through the following technical solutions:
A kind of Vacuum Eutectic stove, coordinate and openable upper furnace body, lower furnace body including sealing against each other, and the microscope carrier being located in seal cavity between upper and lower body of heater, upper heater, upper heater mounting bracket, lower heater and lower heater mounting bracket is also included in seal cavity, and the upper cooling tube being distributed in upper furnace body wall and the lower cooling tube being distributed in lower furnace body wall；The upper and lower enclosed electrode joint of connection corresponding with upper and lower heater is respectively equipped with the outer wall of upper and lower body of heater, and the upper and lower waterway connector of connection corresponding with upper and lower cooling tube respectively；The top surface of upper furnace body is provided with observation window；The rear end of lower furnace body is provided with vacuum connection port；Upper and lower heater mounting bracket becomes shaped as frame respectively and surface is minute surface, upper and lower heater mounting bracket is mutually corresponding and is separately fixed in upper and lower body of heater, upper and lower heater arranges respectively and is fixed in upper and lower heater mounting bracket, and the orientation of upper and lower heater is perpendicular；Microscope carrier is fixed in lower furnace body, and microscope carrier is located between upper and lower heater；Also it is stamped backplate respectively, shield face is minute surface on mutually arranged upper and lower heater end interface.
A kind of Vacuum Eutectic stove, also includes more than one temperature-control senser, and temperature-control senser is fixed in lower furnace body and/or upper furnace body, and temperature-control senser is contacted with microscope carrier bottom surface and/or microscope carrier top surface.
A kind of Vacuum Eutectic stove, also includes more than one temperature transducer, and temperature transducer is fixed on the column of setting in lower furnace body.
Described microscope carrier is graphite microscope carrier, transparency silica glass microscope carrier or metal microscope carrier.
A kind of beneficial effect of Vacuum Eutectic stove described in the utility model includes:
1st, by the way of upper and lower heating, microscope carrier is heated, firing rate is fast, and uniformity is good；
2nd, the upper and lower cooling tube being arranged in upper and lower furnace body wall will not take the space of seal cavity, improves the utilization ratio in seal cavity space, meanwhile, lowering temperature uniform, shorten the time of soldering, indirectly improve production efficiency；
3rd, upper and lower heater adopts orthogonal distribution mode, so that heat radiation process is produced and intersects backward, improves the uniformity of radiation it is ensured that the concordance of microscope carrier welding process；
4th, the structure design of minute surface backplate and minute surface upper and lower heater mounting bracket, good to infrared reflection effect, and programming rate is fast, and heat is more easy to concentrate in seal cavity；
5th, carry out temperature survey and monitoring using temperature-control senser and temperature transducer in microscope carrier and seal cavity, so that heating process is carried out under the conditions of controlled, orderly it is ensured that heating quality is stable, reliable；
6th, upper and lower folding and external vaccum-pumping equipment structure, makes that Vacuum Eutectic furnace volume is little, lightweight, convenient transportation, and production cost and processing cost are remarkably decreased, and extend the suitability of Vacuum Eutectic stove.
Brief description
Fig. 1 is perspective view one of the present utility model；
Fig. 2 is perspective view two of the present utility model；
Fig. 3 is the structural representation of upper furnace body in this utility model；
Fig. 4 is the structural representation of lower furnace body in this utility model；
Fig. 5 removes the lower furnace body structural representation after microscope carrier for Fig. 4.
Specific embodiment
Below in conjunction with the accompanying drawings 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 are further described to this utility model:
A kind of Vacuum Eutectic stove described in the utility model, including upper furnace body 1, lower furnace body 2, microscope carrier 17, upper heater 11, upper heater mounting bracket 12, lower heater 19, lower heater mounting bracket 18, upper cooling tube、Lower cooling tube, upper temperature-control senser 13, lower temperature-control senser 20 and a temperature transducer 16.
Upper furnace body 1 and lower furnace body 2 are connected by support base 3, formed seal against each other cooperation and can upper and lower unlatching body of heater, upper and lower body of heater 1, formed between 2 for weld seal cavity.Wherein, upper and lower heater mounting bracket 12,18 become shaped as frame respectively, and shaped as frame upper and lower heater mounting bracket 12,18 surface is the minute surface with stronger reflection function, upper and lower heater mounting bracket 12,18 mutual correspondences are simultaneously separately fixed at upper and lower body of heater 1, in 2, upper and lower heater 11,19 arrange respectively and are fixed on upper and lower heater mounting bracket 12, on 18.For guaranteeing homogeneous heating, the orientation of upper and lower heater 11,19 is perpendicular.Microscope carrier 17 is fixed in lower furnace body 2, and microscope carrier 17 is located at upper and lower heater 11, between 19.For realizing fast cooling, in upper furnace body wall, also it is surrounded with cooling tube, be also surrounded with lower cooling tube in lower furnace body wall.Upper and lower body of heater 1, the corresponding upper and lower enclosed electrode joint 6,9 connecting with upper and lower heater 11,19 is respectively equipped with 2 outer wall, upper and lower enclosed electrode joint 6,9 are used for introducing extraneous power supply, meanwhile, upper and lower body of heater 1, the upper and lower waterway connector 7 of connection corresponding with upper and lower cooling tube is further respectively had on 2 outer wall, 8, upper and lower waterway connector 7,8 is used for introducing extraneous cooling water or cooling air.For improving efficiency of utilization, in seal cavity, mutually arranged upper and lower heater end interface is also stamped upper and lower backplate 14 respectively, 15, upper and lower backplate 14,15 surface is minute surface, minute surface can be effectively increased heat reflection efficiency, makes heat be more easy to focus in seal cavity.
For ease of observing the situation in body of heater, it is additionally provided with observation window 4 in the top surface of upper furnace body 1, meanwhile, for the use of the extraneous vaccum-pumping equipment of cooperation, be additionally provided with vacuum connection port 5 in the rear end of lower furnace body 2.
In this example, it is heating process to be tracked regulate and control, temperature-control senser 13 and a lower temperature-control senser 20 on one is further respectively had in upper furnace body 1 and lower furnace body 2, upper temperature-control senser 13 is contacted with the top surface of microscope carrier 17, lower temperature-control senser 20 is contacted with the bottom surface of microscope carrier 17, thus real time temperature tracking is carried out to microscope carrier bottom and top, to correct the heating-up temperature of microscope carrier 17 at any time.
In this example, for grasping the real time temperature of each position in seal cavity, understand uniformity and each area temperature change of heating process in time, it is also provided with four columns in interior four edges of lower furnace body 2, one temperature transducer 16 is mounted with one of column, temperature transducer 16 is used for detecting the temperature conditionss in seal cavity, and the improvement for heating-up temperature and heats provides data.
In this example, microscope carrier 17 is metal microscope carrier, and metal microscope carrier heat conductivity is good, intensity is high.Certainly, microscope carrier 17 is alternatively graphite or transparency silica glass microscope carrier.
When specifically used, connect accordingly after extraneous vaccum-pumping equipment, heating power supply, cooling water and cable, open upper furnace body 1, circuit board to be welded is placed on microscope carrier 17, upper and lower heater 11 in Vacuum Eutectic stove is controlled by ambient controller, 19 begin to warm up, and carry out monitoring temperature and adjustment at any time by upper and lower temperature-control senser 13,20.Due to upper and lower heater 11,19 vertical distribution, heat radiation direction intersects, can be formed good, uniformly heat space, so that the circuit board to be welded on microscope carrier 17 is heated evenly, simultaneously, by minute surface backplate, upper heater mounting bracket 12 and lower heater mounting bracket 18 to thermal-radiating reflection, heat is more easy to concentrate in seal cavity it is ensured that temperature-rise period is quickly carried out, and efficiency of utilization is significantly higher.After the completion of welding, close upper and lower heater 11,19, connect upper and lower cooling tube to seal cavity fast cooling, so that the circuit board that welding completes can be quickly removed, improve welding production efficiency, one time welding process completes.
Claims (4)
1. a kind of Vacuum Eutectic stove, coordinate and openable upper furnace body, lower furnace body including sealing against each other, and the microscope carrier being located in seal cavity between upper and lower body of heater, it is characterized in that, upper heater, upper heater mounting bracket, lower heater and lower heater mounting bracket is also included in seal cavity, and the upper cooling tube being distributed in upper furnace body wall and the lower cooling tube being distributed in lower furnace body wall；The upper and lower enclosed electrode joint of connection corresponding with upper and lower heater is respectively equipped with the outer wall of described upper and lower body of heater, and the upper and lower waterway connector of connection corresponding with upper and lower cooling tube respectively；The top surface of described upper furnace body is provided with observation window；The rear end of described lower furnace body is provided with vacuum connection port；Described upper and lower heater mounting bracket becomes shaped as frame respectively and surface is minute surface, upper and lower heater mounting bracket is mutually corresponding and is separately fixed in upper and lower body of heater, upper and lower heater arranges respectively and is fixed in upper and lower heater mounting bracket, and the orientation of upper and lower heater is perpendicular；Described microscope carrier is fixed in lower furnace body, and microscope carrier is located between upper and lower heater；Also it is stamped backplate respectively, shield face is minute surface on described mutually arranged upper and lower heater end interface.
2. it is characterised in that also including more than one temperature-control senser, described temperature-control senser is fixed in lower furnace body and/or upper furnace body a kind of Vacuum Eutectic stove according to claim 1, and temperature-control senser is contacted with microscope carrier bottom surface and/or microscope carrier top surface.
3. it is characterised in that also including more than one temperature transducer, described temperature transducer is fixed on the column of setting in lower furnace body a kind of Vacuum Eutectic stove according to claim 1.
4. a kind of Vacuum Eutectic stove according to claim 1 is it is characterised in that described microscope carrier is graphite microscope carrier, transparency silica glass microscope carrier or metal microscope carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620134920.7U CN205914863U (en) | 2016-02-23 | 2016-02-23 | Vacuum eutectic furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620134920.7U CN205914863U (en) | 2016-02-23 | 2016-02-23 | Vacuum eutectic furnace |
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| Publication Number | Publication Date |
|---|---|
| CN205914863U true CN205914863U (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620134920.7U Active CN205914863U (en) | 2016-02-23 | 2016-02-23 | Vacuum eutectic furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113560691A (en) * | 2021-08-11 | 2021-10-29 | 西北电子装备技术研究所(中国电子科技集团公司第二研究所) | Eutectic furnace control method capable of effectively improving uniformity of eutectic temperature in furnace |
| WO2022179092A1 (en) * | 2021-02-24 | 2022-09-01 | 北京中科同志科技股份有限公司 | Rapid cooling vacuum eutectic furnace for chip soldering |
-
2016
- 2016-02-23 CN CN201620134920.7U patent/CN205914863U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022179092A1 (en) * | 2021-02-24 | 2022-09-01 | 北京中科同志科技股份有限公司 | Rapid cooling vacuum eutectic furnace for chip soldering |
| CN113560691A (en) * | 2021-08-11 | 2021-10-29 | 西北电子装备技术研究所(中国电子科技集团公司第二研究所) | Eutectic furnace control method capable of effectively improving uniformity of eutectic temperature in furnace |
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