CN211840497U - Reflow furnace for PCB processing - Google Patents
Reflow furnace for PCB processing Download PDFInfo
- Publication number
- CN211840497U CN211840497U CN202020064655.6U CN202020064655U CN211840497U CN 211840497 U CN211840497 U CN 211840497U CN 202020064655 U CN202020064655 U CN 202020064655U CN 211840497 U CN211840497 U CN 211840497U
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- Prior art keywords
- preservation cover
- base
- heat preservation
- isolation
- gear
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000004321 preservation Methods 0.000 claims abstract description 42
- 238000002955 isolation Methods 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 238000003860 storage Methods 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims description 28
- 241000883990 Flabellum Species 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000002277 temperature effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a reflow oven is used in PCB processing, including base, first motor, heating core, isolation heat preservation cover, high-pressure atomizer and high-pressure check valve, the last fixed surface of base is provided with the isolation heat preservation cover, and keeps apart the lower extreme surface of heat preservation cover and has seted up the delivery port to the inner chamber has all been seted up to the inside of isolation heat preservation cover and base, the rear end fixed surface of base is provided with first motor, and the drum is installed to the output of first motor, and the drum runs through the surface of base. This reflow oven is used in PCB processing can drive the rotatory support column that promotes of connecting rod when the disc piece is rotatory for the lug makes a round trip to extrude water storage air bag, and water in the water storage air bag then can be sprayed by high pressure atomizer, spills and rotates on the flabellum board, thereby reaches to continuously cool down in the inner chamber through water, and the maintenance temperature lasts always at a point, can't rise and descend, reaches good stable temperature effect.
Description
Technical Field
The utility model relates to a PCB correlation technique field specifically is a reflow oven is used in PCB processing.
Background
The PCB is called Printed Circuit Board, and is an important electronic component in electronic components, and different circuits can be connected through the Printed Circuit Board, so that the wiring error rate is reduced, and when the PCB is produced, a reflow oven is required to be used, and the reflow oven heats the PCB at a high temperature, so that solder paste on the PCB can be melted, but the reflow oven has some disadvantages:
first, since heating materials such as a heater and a heating rod in a reflow furnace are always stored for a long time, the temperature cannot be maintained at a fixed point, so that the temperature cannot be stably controlled, and adverse factors such as damage to a PCB are caused.
Secondly, the general reflow oven heats the inside by arranging a heater or a heating rod, but hot air backflow is easily generated and cannot be uniformly distributed in the reflow oven, so that the temperature of the heated parts of the PCB is not uniform.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a reflow oven for PCB processing, which solves the problem that the temperature proposed in the background technology can not be stably controlled; the generated hot air backflow can not be uniformly distributed in the inner cavity.
In order to achieve the above object, the utility model provides a following technical scheme: a reflow oven for PCB processing comprises a base, a first motor, a heating core, an isolation heat preservation cover, a high-pressure atomizing spray head and a high-pressure one-way valve, wherein the isolation heat preservation cover is fixedly arranged on the upper surface of the base, a conveying port is formed in the outer surface of the lower end of the isolation heat preservation cover, inner cavities are formed in the isolation heat preservation cover and the base, the first motor is fixedly arranged on the surface of the rear end of the base, a cylinder is arranged at the output end of the first motor and penetrates through the outer surface of the base, a conveying belt is connected to the outer surface of the cylinder, the outer surface of the conveying belt is penetrated through by the heating core, a supporting rod is fixedly connected to the outer surface of the heating core, the bottom end of the supporting rod is fixedly arranged on the bottom surface of the inner cavity, a second motor is fixedly arranged on the top surface of the isolation heat preservation cover, the bottom surface of the fixed column is fixedly connected with a transmission gear which is positioned in the isolation and heat preservation cover, the outer surface of the transmission gear is connected with a gear chain, the inner surface of the gear chain is connected with a driven gear, the bottom surfaces of the driven gear and the transmission gear are fixedly provided with a cylindrical block, the cylindrical block penetrates through the inner surface of the top end of the inner cavity, the outer surface of the bottom end of the cylindrical block is fixedly provided with a fan blade plate, the top surface of the driven gear is fixedly provided with a disc block, the disc block is positioned in the isolation and heat preservation cover, the upper surface of the disc block is connected with a connecting rod, the upper surface of the connecting rod is connected with a supporting column, the outer surface of the supporting column is fixedly connected with a convex block, the inner part of the isolation and heat preservation cover is fixedly provided with a, the lower fixed surface of water storage gasbag is provided with high-pressure atomizer, and high-pressure atomizer runs through the top internal surface of inner chamber to high-pressure atomizer's surface mounting has high-pressure check valve.
Preferably, the cylinder and the base form a rotating structure, the cylinders are symmetrically distributed about the longitudinal center line of the base, and the outer surface of the cylinder is attached to the inner surface of the conveying belt.
Preferably, the conveying belt and the base form a sliding structure, the top surface of the conveying belt is arranged at the bottom end of the conveying opening, and the inner part of the conveying belt is penetrated through by the heating core at equal intervals.
Preferably, the gear chain is respectively in meshed connection with the transmission gear and the driven gear, the fixing column on the transmission gear and the isolation heat-preservation cover form a rotating structure, and the cylindrical blocks on the transmission gear and the driven gear and the isolation heat-preservation cover form a rotating structure.
Preferably, the connecting rods respectively form a rotating structure with the supporting column and the disc blocks, and the disc blocks are symmetrically distributed about the longitudinal center line of the base.
Preferably, the supporting columns and the bumps form a sliding structure with the isolation heat-preservation cover, and the outer surfaces of the bumps are attached to the outer surface of the water storage air bag.
Compared with the prior art, the beneficial effects of the utility model are that: the reflow furnace for processing the PCB is provided,
1. when the disc block rotates, the connecting rod is driven to rotate to push the supporting column, so that the convex block extrudes the water storage air bag back and forth, water in the water storage air bag is sprayed out by the high-pressure atomizing nozzle and sprinkled on the fan blade plate to rotate, the inner cavity is cooled continuously by water, the temperature is maintained to be always kept at one point and cannot be raised or lowered, and a good temperature stabilizing effect is achieved;
2. make drive gear pass through the gear chain and drive driven gear rotatory when the motor starts for the rotatory air current to the inner chamber that stirs of the flabellum board of equidistant distribution reaches each point of distribution that the air current can be even at the inner chamber, reaches good heating effect.
Drawings
FIG. 1 is a schematic overall front sectional view of the present invention;
FIG. 2 is a schematic view of the overall side view structure of the present invention;
FIG. 3 is a schematic side sectional view of the present invention;
FIG. 4 is a schematic view of a sectional view of the transmission gear and the gear chain of the present invention;
FIG. 5 is a schematic side sectional view of the connection between the support pillar and the connecting rod of the present invention;
fig. 6 is the utility model discloses the support column is connected with the connecting rod and is pitched the sectional structure schematic diagram.
In the figure: 1. a base; 2. a delivery port; 3. an inner cavity; 4. a first motor; 5. a cylinder; 6. a conveyor belt; 7. heating the core; 8. a support bar; 9. an isolation heat preservation cover; 10. a second motor; 11. fixing a column; 12. a transmission gear; 13. a gear train; 14. a driven gear; 15. a cylindrical block; 16. a leaf plate; 17. a disc block; 18. a connecting rod; 19. a support pillar; 20. a bump; 21. a water storage air bag; 22. a delivery pipe; 23. a high pressure atomizer; 24. high-pressure check valve.
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. 1-6, the present invention provides a technical solution: a reflow furnace for PCB processing comprises a base 1, a conveying opening 2, an inner cavity 3, a first motor 4, a cylinder 5, a conveying belt 6, a heating core 7, a support rod 8, an isolation heat preservation cover 9, a second motor 10, a fixed column 11, a transmission gear 12, a gear chain 13, a driven gear 14, a cylinder block 15, a fan blade plate 16, a disc block 17, a connecting rod 18, a support column 19, a bump 20, a water storage air bag 21, a conveying pipe 22, a high-pressure atomization nozzle 23 and a high-pressure one-way valve 24, wherein the isolation heat preservation cover 9 is fixedly arranged on the upper surface of the base 1, the conveying opening 2 is formed in the outer surface of the lower end of the isolation heat preservation cover 9, the inner cavity 3 is formed in the isolation heat preservation cover 9 and the base 1, the first motor 4 is fixedly arranged on the surface of the rear end of the base 1, the cylinder 5 is installed at the output end of the first motor 4, the cylinder 5, the outer surface of the conveying belt 6 is penetrated by the heating core 7, the outer surface of the heating core 7 is fixedly connected with a supporting rod 8, the bottom end of the supporting rod 8 is fixedly arranged on the bottom surface of the inner cavity 3, the top surface of the isolation heat-preservation cover 9 is fixedly provided with a second motor 10, the output end of the second motor 10 is provided with a fixing column 11, the fixing column 11 penetrates through the top surface of the isolation heat-preservation cover 9, the bottom surface of the fixing column 11 is fixedly connected with a transmission gear 12, the transmission gear 12 is positioned in the isolation heat-preservation cover 9, the outer surface of the transmission gear 12 is connected with a gear chain 13, the inner surface of the gear chain 13 is connected with a driven gear 14, the bottom surfaces of the driven gear 14 and the transmission gear 12 are fixedly provided with a cylindrical block 15, the cylindrical block 15 penetrates through the inner surface of the top end of the inner cavity 3, and disc block 17 is located the inside of keeping apart heat preservation cover 9, the upper surface of disc block 17 is connected with connecting rod 18, and the upper surface of connecting rod 18 is connected with support column 19, and the outer fixed surface of support column 19 is connected with lug 20, the inside of keeping apart heat preservation cover 9 is fixed and is provided with water storage gasbag 21, and the outer fixed surface of water storage gasbag 21 is provided with conveyer pipe 22, and conveyer pipe 22 runs through the surface of keeping apart heat preservation cover 9, the lower fixed surface of water storage gasbag 21 is provided with high pressure atomizing nozzle 23, and high pressure atomizing nozzle 23 runs through the top internal surface of inner chamber 3, and the surface mounting of high pressure atomizing nozzle 23 has high pressure check valve 24.
The cylinder 5 and the base 1 form a rotating structure, the cylinder 5 is symmetrically distributed about the longitudinal center line of the base 1, the outer surface of the cylinder 5 is attached to the inner surface of the conveying belt 6, the conveying belt 6 and the base 1 form a sliding structure, the top surface of the conveying belt 6 is arranged at the bottom end of the conveying opening 2, the conveying belt 6 is penetrated through by the heating cores 7 at equal intervals inside, and when the cylinder 5 operates, the conveying belt 6 is driven to operate to transport articles, so that the articles can be heated by the heating cores 7.
The gear chain 13 is connected with the transmission gear 12 and the driven gear 14 respectively for the meshing, and the fixed column 11 on the transmission gear 12 constitutes rotating-structure with the isolation heat preservation cover 9, and the cylinder block 15 on the transmission gear 12 and the driven gear 14 constitutes rotating-structure with the isolation heat preservation cover 9, when the transmission gear 12 drives the driven gear 14 through the gear chain 13 and rotates, the flabellum 16 on the cylinder block 15 can rotate and guide the air current, make hot-blast evenly distributed, and the inside of isolating the heat preservation cover 9 is made by polystyrene resin material, the coefficient of heat conductivity is minimum among the present material, can be fine prevent heat loss, and it is fire-retardant, prevent that the conflagration from taking place.
The connecting rod 18 forms a rotating structure with the supporting column 19 and the disc block 17 respectively, the disc block 17 is symmetrically distributed about the longitudinal central line of the base 1, the supporting column 19 and the bump 20 form a sliding structure with the isolation and heat preservation cover 9, the outer surface of the bump 20 is attached to the outer surface of the water storage air bag 21, because the lower part of the connecting rod 18 and the upper part of the supporting column 19 are in rotating structures, the upper part of the connecting rod 18 and the lower part of the disc block 17 are in rotating structures, the disc block 17 drives the connecting rod 18 to push the supporting column 19, so that the supporting column 19 drives the lug 20 to rotate for a circle and extrude the water storage air bag 21 to spray water, when the disk block 17 rotates, the lug 20 is pulled to the supporting column 19 again, and the water storage air bag 21 is not pressed, so that the water storage air bag 21 is relaxed and filled with water, and water is sprayed by circularly extruding back and forth, and the temperature is maintained not to rise.
The working principle is as follows: when the reflow oven for processing the PCB is used, after an external power supply is connected to the device, according to the figures 1, 2, 3 and 4, after a material is placed on the conveying belt 6, the first motor 4 on the base 1 is started, the first motor 4 starts the cylinder 5 to rotate, the outer surface of the cylinder 5 is attached to the conveying belt 6, so that the conveying belt 6 is driven by the rotation of the cylinder 5, the PCB is conveyed into the inner cavity 3 from the conveying port 2 by the conveying belt 6, the heating core 7 of the supporting rod 8 is arranged in the inner cavity 3, the heating core 7 is a common heating device in the market, when the heating core 7 is powered on, the heating core 7 can convert electric energy into heat energy, the inner cavity 3 can be heated through the heating core 7, so that the PCB can be heated, and the second motor 10 on the insulating cover 9 is simultaneously opened, so that the fixing column 11 drives the transmission gear 12 to rotate to be meshed with the gear chain 13, the gear chain 13 is operated to be meshed with the driven gear 14, when the driven gear 14 and the transmission gear 12 rotate, the fan blade plate 16 on the cylindrical block 15 is driven to rotate, heat energy generated by the heating core 7 is stirred, hot air can be uniformly distributed in the inner cavity 3 to heat the PCB, and a good heating effect is achieved;
while the driven gear 14 rotates, according to fig. 1, 4 and 5, the driven gear 14 drives the disc block 17 to rotate, so that the disc block 17 drives the tail end of the connecting rod 18 to rotate, the top end of the connecting rod 18 pushes the supporting column 19 back and forth, since the supporting column 19 is limited in one inner groove, even if the disc block 17 rotates, the tail end of the connecting rod 18 is limited by the supporting column 19, the top end of the connecting rod 18 pushes the supporting column 19 to slide linearly by rotating the tail end of the connecting rod 18, the supporting column 19 slides to drive the bump 20 to extrude the water storage air bag 21 back and forth, water conveyed by the conveying pipe 22 in the water storage air bag 21 is atomized and sprayed out by the high-pressure one-way valve 24 and the high-pressure atomizing nozzle 23, the high-pressure one-way valve 24 and the high-pressure atomizing nozzle 23 are common tools in the market, and the backflow of water when the water storage air bag 21 is extruded can be prevented by the high-pressure one, extrude into the spraying blowout through high pressure atomizer 23 with water, then can splash on the mechanical parts in inner chamber 3 and on the PCB board through spun fog, cool down inner chamber 3, prevent that heating core 7 from continuously heating and make inner chamber 3's inside temperature overheated to when water storage gasbag 21 lasts continuous water spray, then can reach the effect of stabilizing inner chamber 3 moderate temperature, good improvement production efficiency has increased holistic practicality.
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 (6)
1. The utility model provides a reflow oven is used in PCB processing, includes base (1), first motor (4), heating core (7), keeps apart heat preservation cover (9), high pressure atomizer (23) and high-pressure check valve (24), its characterized in that: the upper surface of the base (1) is fixedly provided with an isolation and heat preservation cover (9), the outer surface of the lower end of the isolation and heat preservation cover (9) is provided with a conveying port (2), the inner cavities (3) are respectively arranged in the isolation and heat preservation cover (9) and the base (1), the rear end of the base (1) is fixedly provided with a first motor (4), the output end of the first motor (4) is provided with a cylinder (5), the cylinder (5) penetrates through the outer surface of the base (1), the outer surface of the cylinder (5) is connected with a transmission belt (6), the outer surface of the transmission belt (6) is penetrated through by a heating core (7), the outer surface of the heating core (7) is fixedly connected with a support rod (8), the bottom end of the support rod (8) is fixedly arranged on the bottom surface of the inner cavity (3), the top surface of the isolation and heat preservation cover (9) is, the output end of the second motor (10) is provided with a fixed column (11), the fixed column (11) penetrates through the top surface of the isolation heat-preservation cover (9), the bottom surface of the fixed column (11) is fixedly connected with a transmission gear (12), the transmission gear (12) is positioned inside the isolation heat-preservation cover (9), the outer surface of the transmission gear (12) is connected with a gear chain (13), the inner surface of the gear chain (13) is connected with a driven gear (14), the bottom surfaces of the driven gear (14) and the transmission gear (12) are fixedly provided with a cylindrical block (15), the cylindrical block (15) penetrates through the inner surface of the top end of the inner cavity (3), the outer surface of the bottom end of the cylindrical block (15) is fixedly provided with a fan blade plate (16), the top surface of the driven gear (14) is fixedly provided with a disc block (17), and the disc block (17) is positioned, the upper surface of disc piece (17) is connected with connecting rod (18), and the upper surface of connecting rod (18) is connected with support column (19) to the outer fixed surface of support column (19) is connected with lug (20), the inside of keeping apart heat preservation cover (9) is fixed and is provided with water storage gasbag (21), and the outer fixed surface of water storage gasbag (21) is provided with conveyer pipe (22), and conveyer pipe (22) run through the surface of keeping apart heat preservation cover (9), the lower fixed surface of water storage gasbag (21) is provided with high pressure atomizer (23), and high pressure atomizer (23) run through the top internal surface of inner chamber (3) to the surface mounting of high pressure atomizer (23) has high pressure check valve (24).
2. The reflow oven for PCB processing according to claim 1, wherein: the cylinder (5) and the base (1) form a rotating structure, the cylinders (5) are symmetrically distributed about the longitudinal central line of the base (1), and the outer surface of the cylinder (5) is attached to the inner surface of the conveying belt (6).
3. The reflow oven for PCB processing according to claim 1, wherein: the conveying belt (6) and the base (1) form a sliding structure, the top surface of the conveying belt (6) is arranged at the bottom end of the conveying opening (2), and the conveying belt (6) penetrates through the heating core (7) at equal intervals.
4. The reflow oven for PCB processing according to claim 1, wherein: the gear chain (13) is respectively in meshed connection with the transmission gear (12) and the driven gear (14), the fixing column (11) on the transmission gear (12) and the isolation heat-preservation cover (9) form a rotating structure, and the cylindrical block (15) on the transmission gear (12) and the driven gear (14) and the isolation heat-preservation cover (9) form a rotating structure.
5. The reflow oven for PCB processing according to claim 1, wherein: the connecting rods (18) respectively form a rotating structure with the supporting columns (19) and the disc blocks (17), and the disc blocks (17) are symmetrically distributed about the longitudinal center line of the base (1).
6. The reflow oven for PCB processing according to claim 1, wherein: the supporting columns (19) and the bumps (20) form a sliding structure with the isolation heat-preservation cover (9), and the outer surfaces of the bumps (20) are attached to the outer surface of the water storage air bag (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020064655.6U CN211840497U (en) | 2020-01-13 | 2020-01-13 | Reflow furnace for PCB processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020064655.6U CN211840497U (en) | 2020-01-13 | 2020-01-13 | Reflow furnace for PCB processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211840497U true CN211840497U (en) | 2020-11-03 |
Family
ID=73213505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020064655.6U Expired - Fee Related CN211840497U (en) | 2020-01-13 | 2020-01-13 | Reflow furnace for PCB processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211840497U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112428146A (en) * | 2020-11-19 | 2021-03-02 | 宁波晟利紧固件有限公司 | Metal product processing operation device with workpiece protection function |
| CN112545115A (en) * | 2020-12-09 | 2021-03-26 | 郑州市林慕商贸有限公司 | Dust fall type of making an uproar leather shoes sole grinding device falls |
| CN112719501A (en) * | 2021-01-29 | 2021-04-30 | 乐开亮 | Reflow furnace for rapid fusion welding and operation method thereof |
| CN113482908A (en) * | 2021-06-29 | 2021-10-08 | 赵为民 | Two-way cooling water pump |
-
2020
- 2020-01-13 CN CN202020064655.6U patent/CN211840497U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112428146A (en) * | 2020-11-19 | 2021-03-02 | 宁波晟利紧固件有限公司 | Metal product processing operation device with workpiece protection function |
| CN112545115A (en) * | 2020-12-09 | 2021-03-26 | 郑州市林慕商贸有限公司 | Dust fall type of making an uproar leather shoes sole grinding device falls |
| CN112719501A (en) * | 2021-01-29 | 2021-04-30 | 乐开亮 | Reflow furnace for rapid fusion welding and operation method thereof |
| CN112719501B (en) * | 2021-01-29 | 2022-10-28 | 合肥市贵谦信息科技有限公司 | Reflow furnace for rapid fusion welding and operation method thereof |
| CN113482908A (en) * | 2021-06-29 | 2021-10-08 | 赵为民 | Two-way cooling water pump |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 |
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| CF01 | Termination of patent right due to non-payment of annual fee |