CN219223258U - Vacuum defoaming curing oven - Google Patents
Vacuum defoaming curing oven Download PDFInfo
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- CN219223258U CN219223258U CN202320080961.2U CN202320080961U CN219223258U CN 219223258 U CN219223258 U CN 219223258U CN 202320080961 U CN202320080961 U CN 202320080961U CN 219223258 U CN219223258 U CN 219223258U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model provides a vacuum defoaming curing furnace, which comprises the following components: the pressure cabin body comprises a door opening and closing motor, and an output shaft of the door opening and closing motor is fixedly connected with a transmission gear. According to the vacuum defoaming solidifying furnace, in order to improve stability and safety of vehicle-mounted electronic equipment, the defoaming effect after encapsulation is necessary to be enhanced, experimental tests prove that the encapsulated product is quickly sucked and discharged within a certain time, the breathing effect can be obviously improved, the defoaming speed is accelerated, therefore, the vacuum defoaming solidifying furnace adopts a vacuumizing mode, adopts a computer-controlled vacuum pump to be matched with a high-speed proportional valve, achieves programmable sucking and discharging action, maximizes the glue defoaming effect, improves the filling coverage rate from 80% to 95%, improves the overall effect by more than 16%, and combines water cooling and air cooling to simultaneously perform cooling, shortens the cooling time and improves the productivity.
Description
Technical Field
The utility model relates to the field of filling glue packaging and curing, in particular to a vacuum defoaming curing furnace.
Background
In the current age of technology, the fineness of electronic products is higher and higher, and especially, the electronic products are applied to the fields of mobile devices, wearing devices, vehicle-mounted electronics, aerospace technology and the like, so that the electronic products are more required to meet the standards of shock resistance, water resistance, insulation, drop resistance and the like, and more electronic components begin to use the process of underfill glue and surface packaging.
The underfill is prepared by filling the bottom of the chip packaged by the BGA, then heating and curing, filling the gap at the bottom of the BGA in a large area, achieving the purpose of reinforcing, enhancing the anti-dropping performance between the chip packaged by the BGA and the PCBA, improving the mechanical structure strength of the chip after connection, and most of underfill curing equipment in the market at present belongs to direct heating and curing (such as a vertical furnace and reflow soldering), wherein the filling effect can only cover about 60% -80%, the standard of a vehicle-mounted electronic or wearing device can not be met, the second is a pressure oven, the filling effect can reach more than 85%, but a plurality of bubbles still exist, and the bubbles contain air, so that the welding spots are easy to oxidize or drop.
Therefore, it is necessary to provide a vacuum degassing curing oven to solve the above-mentioned problems.
Disclosure of Invention
The utility model provides a vacuum defoaming curing furnace, which solves the problems that a plurality of bubbles exist, and the bubbles contain air and are easy to cause oxidation or falling of welding spots.
In order to solve the technical problems, the utility model provides a vacuum defoaming curing furnace, which comprises: a pressure chamber body;
the pressure cabin body comprises a door opening and closing motor, an output shaft of the door opening and closing motor is fixedly connected with a transmission gear, a safety door ring is meshed with the outer surface of the transmission gear, a pressure cabin door is arranged on the side face of the safety door ring, an air inlet valve is arranged on one side of the top of the surface of the pressure cabin body, an exhaust valve is arranged on the side face of the pressure cabin body, a circulating fan motor is arranged in the middle of the side face of the pressure cabin body, a pressure gauge is arranged at the bottom of the pressure cabin body, and an evaporator is arranged at the bottom of the pressure gauge;
the proportional valve is arranged on one side of the pressure cabin body, a gas release valve is arranged on one side of the proportional valve, a vacuum valve is arranged on one side of the right side of the pressure cabin body, a vacuum pump is arranged on the rear side of the pressure cabin body, and a cooling fan is fixedly arranged at the top of the vacuum pump;
and the cooling device is arranged in the pressure cabin body.
Preferably, the cooling device comprises a circulating fan, one side of the circulating fan is connected with a heating pipe A, one side of the heating pipe A is provided with a cooling pipeline, and the other side of the heating pipe A is provided with a heating pipe B.
Preferably, the door opening and closing motor rotates to drive the transmission gear to rotate, and the transmission gear is meshed with the safety door ring to rotate when rotating and is used for opening and closing the pressure cabin door.
Preferably, the intake valve is used for intake control, the pressure gauge is used for detecting a pressure value in the pressure chamber body, and the exhaust valve is used for exhaust during cooling.
And (3) starting the power supply of the equipment, confirming that the power supply and the pressure and the cooling system Cheng Shuidou are normal, opening the pressure cabin door to put the product with the dispensed glue into the cabin, and then closing the cabin door indeed, loading or setting new defoaming parameters by using a computer, and starting the equipment.
Firstly, the equipment can seal a safety door, then a circulating fan is started to enable air in the cabin to circulate, an internal self-checking program is started, air pressure and the position of a proportional valve are checked sequentially, when all checks are completed, the equipment can start a vacuum pump and open the vacuum valve to pump the air pressure in the cabin to the set pressure through the precise control of the proportional valve, the pressure release and vacuumizing actions are repeatedly performed according to the set breathing times after the set pressure is reached, the glue on a product is extruded to achieve the purpose of truly defoaming, the pressure in the cabin is returned to normal pressure after the defoaming process is completed, the procedure of curing the glue is started, at this time, the equipment can heat and pressurize according to the set time, and stop and enter a cooling stage after the waiting time is ended.
The cooling fan can start during cooling, wind becomes cold wind after the evaporimeter, gets into in the cabin through the cooling valve, carries out the inner loop by circulating fan again, and the cooling water can carry out the circulative cooling through the water course that the cooling water import was got into in the cabin simultaneously, and water-cooling and forced air cooling cool down the product simultaneously, reach quick refrigerated effect, can shorten process time by a wide margin, and equipment can automatic stop and open the emergency exit after the cooling technology finishes, accomplish whole section of process.
Preferably, a blocking device is fixedly arranged on one side of the outer surface of the circulating fan, and a driving device is arranged on one side of the inner part of the blocking device.
Preferably, the blocking device comprises a sleeve column, a communication hole is formed in the middle of the sleeve column, a filter screen is fixedly mounted on one side of the inside of the communication hole, a mounting box is fixedly mounted in the middle of the filter screen, and a movable ring groove is formed in the surface of one side of the sleeve column.
Preferably, the driving device comprises a servo motor, an output shaft of the servo motor is fixedly connected with a connecting plate, a scraping block is arranged in the middle of one side of the connecting plate, and a guide block is fixedly arranged on one side of the connecting plate.
Compared with the related art, the vacuum defoaming curing oven provided by the utility model has the following beneficial effects:
according to the vacuum defoaming solidifying furnace, in order to improve stability and safety of vehicle-mounted electronic equipment, the defoaming effect after encapsulation is necessary to be enhanced, experimental tests prove that the encapsulated product is quickly sucked and discharged within a certain time, the breathing effect can be obviously improved, the defoaming speed is accelerated, therefore, the vacuum defoaming solidifying furnace adopts a vacuumizing mode, adopts a computer-controlled vacuum pump to be matched with a high-speed proportional valve, achieves programmable sucking and discharging action, maximizes the glue defoaming effect, improves the filling coverage rate from 80% to 95%, improves the overall effect by more than 16%, and combines water cooling and air cooling to simultaneously perform cooling, shortens the cooling time and improves the productivity.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of a vacuum degassing curing oven according to the present utility model;
FIG. 2 is a rear view of the pressure pod body shown in FIG. 1;
FIG. 3 is a top cross-sectional view of the device shown in FIG. 1;
FIG. 4 is a side view of the pressure chamber body of FIG. 1;
FIG. 5 is a schematic diagram of a second embodiment of a vacuum degassing curing oven according to the present utility model;
fig. 6 is an enlarged schematic view at a shown in fig. 5.
Reference numerals in the drawings: 100. the pressure cabin comprises a pressure cabin body, 101, a door opening and closing motor, 102, a transmission gear, 103, a safety door ring, 104, a pressure cabin door, 105, an air inlet valve, 106, an exhaust valve, 107, a circulating fan motor, 108, a proportional valve, 109, an air release valve, 110, a pressure gauge, 111, an evaporator, 112, a vacuum pump, 113, a cooling fan, 114, a vacuum valve, 115, a cooling valve, 200, a cooling device, 201, a circulating fan, 202, a heating pipe A,203, a cooling pipeline, 204, a heating pipe B,3, a blocking device, 31, a sleeve, 32, a communication hole, 33, a filter screen, 34, a mounting box, 35, a guide ring groove, 4, a driving device, 41, a servo motor, 42, a connecting plate, 43, a scraping block, 44 and a guide block.
Description of the embodiments
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, fig. 1 is a schematic structural diagram of a first embodiment of a vacuum degassing curing oven according to the present utility model; FIG. 2 is a rear view of the pressure pod body shown in FIG. 1; FIG. 3 is a top cross-sectional view of the device shown in FIG. 1; fig. 4 is a side view of the pressure chamber body of fig. 1. A vacuum degassing curing oven comprising: a pressure chamber body 100;
the pressure cabin body 100, the pressure cabin body 100 includes a door opening and closing motor 101, an output shaft of the door opening and closing motor 101 is fixedly connected with a transmission gear 102, a safety door ring 103 is meshed with the outer surface of the transmission gear 102, a pressure cabin door 104 is arranged on the side surface of the safety door ring 103, an air inlet valve 105 is arranged on one side of the top of the surface of the pressure cabin body 100, an air outlet valve 106 is arranged on the side surface of the pressure cabin body 100, a circulating fan motor 107 is arranged in the middle of the side surface of the pressure cabin body 100, a pressure gauge 110 is arranged at the bottom of the pressure cabin body 100, and an evaporator 111 is arranged at the bottom of the pressure gauge 110;
the proportional valve 108, the proportional valve 108 is arranged at one side of the pressure cabin body 100, a gas release valve 109 is arranged at one side of the proportional valve 108, a vacuum valve 114 is arranged at one side of the right side of the pressure cabin body 100, a vacuum pump 112 is arranged at the rear side of the pressure cabin body 100, and a cooling fan 113 is fixedly arranged at the top of the vacuum pump 112;
and a cooling device 200, wherein the cooling device 200 is arranged inside the pressure cabin body 100.
The cooling device 200 comprises a circulating fan 201, one side of the circulating fan 201 is connected with a heating pipe A202, a cooling pipeline 203 is arranged on one side of the heating pipe A202, and a heating pipe B204 is arranged on the other side of the heating pipe A202.
When the door opening and closing motor 101 rotates, the transmission gear 102 is linked to rotate, and when the transmission gear 102 rotates, the safety door ring 103 is meshed to rotate, so that the pressure cabin door 104 is opened and closed.
The intake valve 105 is used for intake control, the pressure gauge 110 is used for detecting the pressure value in the pressure chamber body 100, and the exhaust valve 106 is used for exhaust during cooling.
The working principle of the vacuum defoaming curing furnace provided by the utility model is as follows:
when in operation, the door opening and closing motor 101 rotates to drive the transmission gear 102 to rotate to drive the safety door ring 103 to rotate, so as to open and close the pressure cabin door.
An air inlet valve 105 is arranged on the side surface of the pressure cabin body 100 and used for air inlet control, a pressure gauge 110 is arranged on the side surface of the pressure cabin body 100 and used for detecting the pressure value in the cabin body, and an air outlet valve 106 is arranged behind the pressure cabin body 100 and used for air outlet during cooling.
A proportional valve 108 is provided behind the pressure chamber body 100 for controlling pressure stabilization, and a bleed valve 109 is provided behind the proportional valve 108 for controlling switching between intake and exhaust of the proportional valve 108.
A vacuum pump 112 is provided at the rear of the pressure tank body 100, and the vacuum pump 112 is coupled to a vacuum valve 114 for evacuating the interior of the pressure tank body 100.
A circulation fan motor 107 is arranged behind the pressure cabin, and the circulation fan motor 1107 rotates to drive the circulation fan 201 to rotate for rotating the annular wind in the pressure cabin body 100 for air cooling.
Two cooling water inlets and outlets are arranged below the pressure cabin body 100, one cooling water inlet and outlet is a water inlet, the cooling water inlet and outlet is connected with a cooling pipeline 203 in the pressure cabin body 100, the other cooling water inlet and outlet is connected with a cooling water circulation pipeline for cooling, and heating pipes A202 and B204 are arranged around the inside of the pressure cabin body 100 and used for heating and solidifying glue.
Compared with the related art, the vacuum defoaming curing oven provided by the utility model has the following beneficial effects:
according to the vacuum defoaming curing furnace provided by the utility model, in order to improve the stability and safety of vehicle-mounted electronic equipment, the defoaming effect after encapsulation is necessary to be enhanced, after experimental tests, the packaged product is found to be quickly sucked and discharged within a certain time, so that the breathing effect can be obviously improved, the defoaming speed is accelerated, therefore, the vacuum defoaming curing furnace adopts a vacuumizing mode, adopts a computer-controlled vacuum pump 112 to be matched with a high-speed proportional valve 108, achieves the programmable sucking and discharging action, maximizes the glue defoaming effect, can improve the filling coverage rate from 80% to more than 95%, improves the overall effect by more than 16%, combines the water cooling and air cooling to simultaneously operate, shortens the cooling time, and improves the productivity.
Examples
Referring to fig. 5 and 6 in combination, another vacuum degassing curing oven is provided according to a second embodiment of the present application. The second embodiment is merely a preferred manner of the first embodiment, and implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the second embodiment of the present application provides a vacuum degassing curing oven, which is different in that, in the vacuum degassing curing oven, a blocking device 3 is fixedly installed on one side of the outer surface of the circulation fan 201, and a driving device 4 is disposed on one side of the inner portion of the blocking device 3.
The blocking device 3 comprises a sleeve column 31, a communication hole 32 is formed in the middle of the sleeve column 31, a filter screen 33 is fixedly arranged on one side of the inside of the communication hole 32, an installation box 34 is fixedly arranged in the middle of the filter screen 33, and a movable ring groove 35 is formed in the surface of one side of the sleeve column 31.
The driving device 4 comprises a servo motor 41, an output shaft of the servo motor 41 is fixedly connected with a connecting plate 42, a scraping block 43 is arranged in the middle of one side of the connecting plate 42, and a guide block 44 is fixedly arranged on one side of the connecting plate 42.
The guide block 44 moves within the movement ring groove 35.
The output shaft of the servo motor 41 rotates to drive the connecting plate 42 to rotate, the connecting plate 42 drives the scraping block 43 to rotate on the surface of the filter screen 33, and a plurality of small bumps are arranged on the side, close to the filter screen 33, of the scraping block 43 to scrape the filter screen 33.
The working principle of the vacuum defoaming curing furnace provided by the utility model is as follows:
when in operation, firstly, a user controls the output shaft of the servo motor 41 to rotate through an external power supply to drive the connecting plate 42 to rotate, the connecting plate 42 rotates to drive the scraping block 43 to rotate and scrape the surface of the filter screen 33, the filter screen 33 is driven to vibrate, and dust adhered to the surface of the filter screen 33 is shaken off.
Compared with the related art, the vacuum defoaming curing oven provided by the utility model has the following beneficial effects:
the utility model provides a vacuum defoaming curing oven, wherein an output shaft of a servo motor 41 is controlled by an external power supply to rotate so as to drive a connecting plate 42 to rotate, and a scraping block 43 is driven to scrape the surface of a filter screen 33, so that the filter screen 33 is scraped and vibrated, the vibrated filter screen 33 shakes and drops a blocking object on the surface, dust is prevented from being adsorbed on the surface of the filter screen 33 all the time, the passing efficiency of air is prevented from being reduced, and the heat dissipation effect is maintained.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. A vacuum degassing curing oven, comprising:
the pressure cabin body comprises a door opening and closing motor, an output shaft of the door opening and closing motor is fixedly connected with a transmission gear, a safety door ring is meshed with the outer surface of the transmission gear, a pressure cabin door is arranged on the side face of the safety door ring, an air inlet valve is arranged on one side of the top of the surface of the pressure cabin body, an exhaust valve is arranged on the side face of the pressure cabin body, a circulating fan motor is arranged in the middle of the side face of the pressure cabin body, a pressure gauge is arranged at the bottom of the pressure cabin body, and an evaporator is arranged at the bottom of the pressure gauge;
the proportional valve is arranged on one side of the pressure cabin body, a gas release valve is arranged on one side of the proportional valve, a vacuum valve is arranged on one side of the right side of the pressure cabin body, a vacuum pump is arranged on the rear side of the pressure cabin body, and a cooling fan is fixedly arranged at the top of the vacuum pump;
and the cooling device is arranged in the pressure cabin body.
2. A vacuum degassing and curing oven according to claim 1, wherein the cooling device comprises a circulating fan, one side of the circulating fan is connected with a heating pipe a, a cooling pipeline is arranged on one side of the heating pipe a, and a heating pipe B is arranged on the other side of the heating pipe a.
3. A vacuum degassing curing oven according to claim 1 wherein the door opening and closing motor rotates to drive the drive gear to rotate, and wherein the drive gear rotates to engage the safety door ring for rotation to open and close the pressure port.
4. A vacuum degassing and curing oven according to claim 1, wherein the air inlet valve is used for air inlet control, the pressure gauge is used for detecting the pressure value in the pressure chamber body, and the air outlet valve is used for air outlet during cooling.
5. A vacuum degassing curing oven according to claim 2, wherein a blocking device is fixedly arranged on one side of the outer surface of the circulating fan, and a driving device is arranged on one side of the inner part of the blocking device.
6. The vacuum degassing and curing furnace according to claim 5, wherein the blocking device comprises a sleeve column, a communication hole is formed in the middle of the sleeve column, a filter screen is fixedly installed on one side of the inside of the communication hole, an installation box is fixedly installed in the middle of the filter screen, and a movable ring groove is formed in the surface of one side of the sleeve column.
7. The vacuum defoaming curing oven according to claim 6, wherein the driving device comprises a servo motor, an output shaft of the servo motor is fixedly connected with a connecting plate, a scraping block is arranged in the middle of one side of the connecting plate, and a guiding block is fixedly arranged on one side of the connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320080961.2U CN219223258U (en) | 2023-01-13 | 2023-01-13 | Vacuum defoaming curing oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320080961.2U CN219223258U (en) | 2023-01-13 | 2023-01-13 | Vacuum defoaming curing oven |
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| Publication Number | Publication Date |
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| CN219223258U true CN219223258U (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320080961.2U Active CN219223258U (en) | 2023-01-13 | 2023-01-13 | Vacuum defoaming curing oven |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116753727A (en) * | 2023-08-18 | 2023-09-15 | 苏州安讯自动化设备有限公司 | High-efficient vertical curing oven |
-
2023
- 2023-01-13 CN CN202320080961.2U patent/CN219223258U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116753727A (en) * | 2023-08-18 | 2023-09-15 | 苏州安讯自动化设备有限公司 | High-efficient vertical curing oven |
| CN116753727B (en) * | 2023-08-18 | 2023-11-07 | 苏州安讯自动化设备有限公司 | High-efficient vertical curing oven |
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