CN212977063U - SMT reflow soldering device - Google Patents
SMT reflow soldering device Download PDFInfo
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- CN212977063U CN212977063U CN202021829028.3U CN202021829028U CN212977063U CN 212977063 U CN212977063 U CN 212977063U CN 202021829028 U CN202021829028 U CN 202021829028U CN 212977063 U CN212977063 U CN 212977063U
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Abstract
The utility model discloses a SMT reflow soldering device belongs to SMT welding technical field. An SMT reflow soldering device comprises a shell, a base and a fixed block, wherein one side of the upper end of the shell is fixedly connected with a heating box, a heater is fixedly connected in the heating box, an air inlet is arranged on the heating box, a first exhaust fan is fixedly connected at one end of the heating box far away from the air inlet, the interior of the shell is fixedly connected with a clapboard, an air outlet of the heating box is fixedly connected with a first air pipe, one end of the first air pipe, which is far away from the heating box, penetrates through the shell, the utility model is provided with a telescopic rod and a damping spring, can effectively absorb shock, prevent welding efficiency from being reduced due to vibration in the process of hot welding, improve the stability of the device, through the setting of a plurality of shower nozzles for the both sides of circuit board in the casing synchronous thermally equivalent, it is even to realize that the solder on the circuit board is heated, and then improves the welding efficiency to the circuit board.
Description
Technical Field
The utility model relates to a SMT welds technical field, especially relates to a SMT reflow soldering device.
Background
The general SMT production process comprises three steps of solder paste printing, mounting and reflow soldering, so that a complete SMT production line is formed, and equipment for implementing the process steps is necessarily included: the reflow soldering technology is not novel in the field of electronic manufacturing, and elements on various board cards used in computers are all soldered on the circuit board through the technology.
But current reflow soldering device does not possess shock-absorbing function in the use, and the circuit board receives the influence of vibrations easily and takes place to remove to cause the phenomenon that components and parts removed, inconvenient user's use has reduced reflow soldering device's practicality, and current reflow soldering device can not make the both sides of circuit board synchronous thermally equivalent simultaneously, and welding efficiency is lower.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving current reflow soldering device and not possessing shock-absorbing function in the use, the circuit board receives the influence of vibrations easily and takes place to remove to cause the phenomenon that components and parts removed, inconvenient user's use has reduced reflow soldering device's practicality, and current reflow soldering device can not make the both sides synchronous thermally equivalent of circuit board simultaneously, the lower problem of welding efficiency, and the SMT reflow soldering device that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an SMT reflow soldering device comprises a shell, bases and fixed blocks, wherein the shell is fixedly connected onto the fixed blocks, the fixed blocks are fixedly connected with the bases, a rotating roller is rotatably connected between every two fixed blocks through a rotating shaft, a first motor is fixedly connected to the outer side of any one of the fixed blocks, one end, close to the first motor, of the rotating roller penetrates through the fixed blocks and is fixedly connected to the output end of the first motor, a conveying belt is rotatably connected onto the rotating roller, a heating box is fixedly connected to one side of the upper end of the shell, a heater is fixedly connected into the heating box, an air inlet is formed in the heating box, a first exhaust fan is fixedly connected to one end, far away from the air inlet, in the heating box, a partition plate is fixedly connected into the shell, a first air pipe is fixedly connected to the air outlet of the heating box, a refrigerator is fixedly, the air outlet fixedly connected with second air exhauster of refrigerator, the one end fixedly connected with second trachea that the refrigerator was kept away from to the second air exhauster, the one end that the heating cabinet was kept away from to first trachea, second trachea were kept away from the second air exhauster all runs through in the casing, and with baffle fixed connection, all be connected with a plurality of shower nozzles on first trachea, the second trachea, base lower extreme both sides fixedly connected with telescopic link, fixedly connected with damping spring in the telescopic link, the one end fixedly connected with antiskid ribbed tile of base is kept away from to the telescopic link.
Preferably, the base is close to the one end rear side fixedly connected with clarifier of heating cabinet, be connected through the hard tube between clarifier and the casing, the one end fixed connection third air exhauster of clarifier is kept away from to the hard tube, pass through the hose connection between the gas outlet of clarifier and the heating cabinet.
Preferably, the first exhaust fan is fixedly connected with a dust screen.
Preferably, the number of the nozzles connected to the first air pipe and the second air pipe is 5.
Preferably, a supporting plate is fixedly connected between the fixing blocks, and the supporting plate is connected with the conveying belt in a sliding mode.
Compared with the prior art, the utility model provides a SMT reflow soldering device possesses following beneficial effect:
1. when the SMT reflow soldering device is used by a user, the device is firstly moved to a designated working position, and then an antiskid plate is fixed on the ground through a ground bolt, so that the device is prevented from shaking in the working process and the welding quality is not influenced, wherein telescopic rods are fixedly connected to two sides of the lower end of a base, damping springs are fixedly connected in the telescopic rods, the device can be effectively damped through the arrangement of the damping springs, the welding efficiency is prevented from being influenced due to vibration in the welding process, the stability of the device is improved, a rotating roller is rotatably connected between every two fixed blocks through a rotating shaft, a first motor is fixedly connected to the outer side of any one fixed block, one end of the rotating roller, close to the first motor, penetrates through the fixed blocks and is fixedly connected to the output end of the first motor, a conveying belt is rotatably connected to the rotating roller, when reflow soldering is carried, the user firstly puts the circuit board to be welded on the conveyor belt, then starts the first motor, the first motor drives the conveyor belt to convey the circuit board to be welded into the shell, the shell is fixedly connected on the fixed block, one side of the upper end of the shell is fixedly connected with the heating box, the heating box is fixedly connected with the heater, the heating box is provided with the air inlet, one end far away from the air inlet in the heating box is fixedly connected with the first exhaust fan, the inside of the shell is fixedly connected with the clapboard, the air outlet of the heating box is fixedly connected with the first air pipe, one end of the first air pipe far away from the heating box penetrates through the shell and is fixedly connected on the clapboard, one end of the shell far away from the heating box is fixedly connected with the refrigerator, the air outlet of the refrigerator is fixedly connected with the second exhaust fan, one end of the second air pipe far away from, the first air pipe and the second air pipe are both connected with a plurality of spray heads, wherein the inside of the shell is divided into a hot welding area and a cooling area by the partition board, the partition board is composed of heat insulating materials, a circuit board to be welded enters the shell and firstly enters the hot welding area, at the moment, the first motor stops working, a user conveys nitrogen into the heating box through an air inlet, the heating box is preheated by starting the heater, then the first exhaust fan is used for enabling the spray heads to spray hot nitrogen flow to the circuit board to be welded, so that welding fluxes on two sides of an element on the circuit board are bonded with the mainboard after being melted, after the welding of the element on the circuit board is finished, the first motor works again to convey the welded circuit board to the cooling area, at the moment, the user starts the refrigerator and then sprays cold air flow onto the welded circuit board through the spray heads by the second exhaust fan, cooling the circuit board, and after cooling, the first motor works again to convey the circuit board out, so that welding and cooling of the circuit board are completed;
the device does not relate to the part and all is the same with prior art or can adopt prior art to realize, the utility model discloses a telescopic link, damping spring's setting can effectually carry out the shock attenuation to the device, prevents at the in-process of hot welding, makes welded efficiency reduce because of vibrations, has improved the device's stability, through the setting of a plurality of shower nozzles for the both sides synchronous thermally equivalent of circuit board in the casing, it is even to be heated to realize the solder on the circuit board, and then improves the welding efficiency to the circuit board.
Drawings
Fig. 1 is a schematic structural diagram of an SMT reflow soldering apparatus according to the present invention;
fig. 2 is a second schematic structural diagram of an SMT reflow soldering apparatus according to the present invention;
fig. 3 is a third schematic structural view of an SMT reflow soldering apparatus according to the present invention;
fig. 4 is a schematic structural diagram of a portion a in fig. 1 of an SMT reflow soldering apparatus provided by the present invention.
In the figure: 1. a housing; 2. a fixed block; 3. a base; 4. a telescopic rod; 5. a damping spring; 6. an anti-skid plate; 7. a rotating roller; 8. a conveyor belt; 9. a support plate; 10. a heating box; 11. a heater; 12. a first air pipe; 13. a refrigerator; 14. a second exhaust fan; 15. a second air pipe; 16. a spray head; 17. a partition plate; 18. a third exhaust fan; 19. a purifier; 20. a hose; 21. a first exhaust fan; 22. a dust screen; 701. a first motor.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-4, an SMT reflow soldering apparatus comprises a housing 1, a base 3, and fixing blocks 2, wherein the housing 1 is fixedly connected to the fixing blocks 2, the fixing blocks 2 are fixedly connected to the base 3, a rotating roller 7 is rotatably connected between every two fixing blocks 2 through a rotating shaft, a first motor 701 is fixedly connected to the outer side of any one fixing block 2, one end of the rotating roller 7 close to the first motor 701 penetrates through the fixing block 2 and is fixedly connected to the output end of the first motor 701, a conveyor belt 8 is rotatably connected to the rotating roller 7, a heating box 10 is fixedly connected to one side of the upper end of the housing 1, a heater 11 is fixedly connected to the inside of the heating box 10, an air inlet is arranged on the heating box 10, a first exhaust fan 21 is fixedly connected to one end of the heating box 10 far from the air inlet, a partition 17 is fixedly connected to the inside of, keep away from the one end fixedly connected with refrigerator 13 of heating cabinet 10 on casing 1, the air outlet fixedly connected with second air exhauster 14 of refrigerator 13, the one end fixedly connected with second trachea 15 of refrigerator 13 is kept away from to second air exhauster 14, the one end of heating cabinet 10 is kept away from to first trachea 12, the one end that second air exhauster 14 was kept away from to second trachea 15 all runs through in casing 1, and with baffle 17 fixed connection, first trachea 12, all be connected with a plurality of shower nozzles 16 on the second trachea 15, 3 lower extreme both sides fixedly connected with telescopic links 4 of base, fixedly connected with damping spring 5 in the telescopic link 4, the one end fixedly connected with antiskid ribbed tile 6 of base 3 is kept away from to telescopic link 4.
When a user uses the device, firstly, the device is moved to a designated position for work, and then the antiskid plate 6 is fixed on the ground through a ground bolt, so that the device is prevented from shaking and affecting the welding quality in the working process, wherein the two sides of the lower end of the base 3 are fixedly connected with the telescopic rods 4, the damping springs 5 are fixedly connected in the telescopic rods 4, the device can be effectively damped through the arrangement of the damping springs 5, the welding efficiency is prevented from being affected due to vibration in the welding process, the stability of the device is improved, the rotating rollers 7 are rotatably connected between every two fixed blocks 2 through the rotating shaft, the outer side of any fixed block 2 is fixedly connected with the first motor 701, one end of the rotating roller 7, close to the first motor 701, penetrates through the fixed blocks 2 and is fixedly connected with the output end of the first motor 701, the rotating rollers 7 are rotatably connected with the conveying belt 8, when, the user firstly puts the circuit board to be welded on the conveyor belt 8, then starts the first motor 701, the first motor 701 drives the conveyor belt 8 to convey the circuit board to be welded into the casing 1, the casing 1 is fixedly connected on the fixed block 2, one side of the upper end of the casing 1 is fixedly connected with the heating box 10, the heater 11 is fixedly connected in the heating box 10, the heating box 10 is provided with an air inlet, one end of the heating box 10 far away from the air inlet is fixedly connected with a first exhaust fan 21, a partition plate 17 is fixedly connected in the casing 1, an air outlet of the heating box 10 is fixedly connected with a first air pipe 12, one end of the first air pipe 12 far away from the heating box 10 penetrates through the casing 1 and is fixedly connected on the partition plate 17, one end of the casing 1 far away from the heating box 10 is fixedly connected with a refrigerator 13, an air outlet of the refrigerator 13 is fixedly connected with a second exhaust fan 14, one end of, one end of a second air pipe 15, which is far away from a second exhaust fan 14, penetrates through the shell 1 and is fixedly connected to a partition plate 17, a plurality of spray heads 16 are connected to the first air pipe 12 and the second air pipe 15, wherein the partition plate 17 divides the interior of the shell 1 into a hot welding area and a cooling area, the partition plate 17 is made of heat insulating materials, after a circuit board to be welded enters the shell 1, the circuit board firstly enters the hot welding area, at the moment, the first motor 701 stops working, a user conveys nitrogen into the heating box 10 through an air inlet, the heating box 10 is preheated after the heater 11 is started, then the spray heads 16 spray hot nitrogen flow to the circuit board to be welded through the first exhaust fan 21, so that solder on two sides of elements on the circuit board is bonded with the mainboard after being melted, after the elements on the circuit board are welded, the first motor 701 works again, the circuit board after being welded is conveyed to the cooling area, at the moment, then, cold air flow is sprayed to the soldered circuit board through the spray head 16 by the second exhaust fan 14 to cool the circuit board, and after cooling is completed, the first motor 701 works again to convey the circuit board, so that soldering and cooling work on the circuit board is completed.
Example 2:
referring to fig. 1 to 4, an SMT reflow soldering apparatus, substantially the same as in embodiment 1, further comprising: base 3 is close to one end rear side fixedly connected with clarifier 19 of heating cabinet 10, be connected through the hard tube between clarifier 19 and the casing 1, the one end fixed connection third air exhauster 18 of clarifier 19 is kept away from to the hard tube, be connected through hose 20 between the gas outlet of clarifier 19 and the heating cabinet 10, the user can take away the nitrogen gas and the solder flux fog after welding through third air exhauster 18, remove the solder flux fog through clarifier 19, protect the environment promptly, make the solder flux fog can not flow into cooling area again, and the solder flux fog is got rid of the back, nitrogen gas gets into again through hose 20 and takes this utilization in the heating cabinet 10 again, the environmental protection is practiced thrift, the use amount of nitrogen gas in the welding has been reduced, get rid of the solder flux fog simultaneously, the welding quality is improved, and practice thrift the environmental protection.
Example 3:
referring to fig. 1 to 4, an SMT reflow soldering apparatus, substantially the same as in embodiment 1, further comprising: the first exhaust fan 21 is fixedly connected with a dust screen 22 to prevent the first exhaust fan 21 from sucking dust into the first air pipe 12 to block the spray head 16, which affects the welding efficiency.
Example 4:
referring to fig. 1 to 4, an SMT reflow soldering apparatus, substantially the same as in embodiment 1, further comprising: the number of the spray heads 16 connected to the first air pipe 12 and the second air pipe 15 is 5, so that the welding efficiency of the device is improved.
Example 5:
referring to fig. 1 to 4, an SMT reflow soldering apparatus, substantially the same as in embodiment 1, further comprising: fixedly connected with backup pad 9 between fixed block 2, sliding connection between backup pad 9 and the conveyer belt 8 plays the effect of support to conveyer belt 8, prevents that conveyer belt 8 from influencing the conveying effect because of the overweight bending of needs welded circuit board.
It should be noted that in this patent application, all the electrical components are connected to an external master controller and a 220V commercial power point, and the master controller may be a conventional known device controlled by a computer, and it should be noted that the first motor 701 in the above embodiment may be, but is not limited to, a forward-reverse motor with a model number of Y225M-4;
the utility model discloses a setting of telescopic link 4, damping spring 5 can effectually be cushioned to the device, prevents at the in-process of hot welding, makes welded efficiency reduce because of vibrations, has improved the device's stability, through the setting of a plurality of shower nozzles 16 for the both sides of circuit board are synchronous thermally equivalent in casing 1, and it is even to be heated to realize the solder on the circuit board, and then improves the welding efficiency to the circuit board.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The SMT reflow soldering device comprises a shell (1), a base (3) and fixing blocks (2), wherein the shell (1) is fixedly connected onto the fixing blocks (2), the fixing blocks (2) are fixedly connected with the base (3), and the SMT reflow soldering device is characterized in that every two fixing blocks (2) are connected with rotating rollers (7) through rotating shafts, the outer sides of the fixing blocks (2) are fixedly connected with a first motor (701), one ends, close to the first motor (701), of the rotating rollers (7) penetrate through the fixing blocks (2), are fixedly connected with the output ends of the first motor (701), the rotating rollers (7) are rotatably connected with a conveyor belt (8), one side of the upper end of the shell (1) is fixedly connected with a heating box (10), a heater (11) is fixedly connected in the heating box (10), and an air inlet is formed in the heating box (10), a first exhaust fan (21) is fixedly connected with one end of the heating box (10) far away from the air inlet, a partition plate (17) is fixedly connected with the inside of the shell (1), a first air pipe (12) is fixedly connected with an air outlet of the heating box (10), a refrigerator (13) is fixedly connected with one end of the shell (1) far away from the heating box (10), a second exhaust fan (14) is fixedly connected with the air outlet of the refrigerator (13), a second air pipe (15) is fixedly connected with one end of the second exhaust fan (14) far away from the refrigerator (13), one end of the first air pipe (12) far away from the heating box (10) and one end of the second air pipe (15) far away from the second exhaust fan (14) both penetrate through the shell (1) and are fixedly connected with the partition plate (17), and a plurality of spray heads (16) are connected on the first air pipe (12) and the second air pipe (, the anti-skidding base is characterized in that telescopic rods (4) are fixedly connected to two sides of the lower end of the base (3), damping springs (5) are fixedly connected in the telescopic rods (4), and anti-skidding plates (6) are fixedly connected to one ends, far away from the base (3), of the telescopic rods (4).
2. An SMT reflow soldering device according to claim 1, wherein a purifier (19) is fixedly connected to a rear side of an end of the base (3) close to the heating box (10), the purifier (19) is connected to the housing (1) through a hard pipe, a third exhaust fan (18) is fixedly connected to an end of the hard pipe far away from the purifier (19), and an air outlet of the purifier (19) is connected to the heating box (10) through a hose (20).
3. An SMT reflow soldering device according to claim 2, wherein a dust screen (22) is fixedly attached to the first suction fan (21).
4. An SMT reflow soldering apparatus according to claim 2, wherein the number of nozzles (16) connected to the first and second air tubes (12, 15) is 4-5.
5. An SMT reflow soldering device according to claim 1, wherein a support plate (9) is fixedly connected between the fixed blocks (2), and the support plate (9) is slidably connected to the conveyor belt (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021829028.3U CN212977063U (en) | 2020-08-28 | 2020-08-28 | SMT reflow soldering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021829028.3U CN212977063U (en) | 2020-08-28 | 2020-08-28 | SMT reflow soldering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212977063U true CN212977063U (en) | 2021-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021829028.3U Expired - Fee Related CN212977063U (en) | 2020-08-28 | 2020-08-28 | SMT reflow soldering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212977063U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245661A (en) * | 2021-07-07 | 2021-08-13 | 江苏长实基业电气科技有限公司 | Crest welder flue gas treatment device |
| CN113458521A (en) * | 2021-06-30 | 2021-10-01 | 江西师范高等专科学校 | Reflow soldering machine for computer circuit board |
| CN114211163A (en) * | 2021-12-24 | 2022-03-22 | 宁波江丰电子材料股份有限公司 | Welding air cooling control device and air cooling method thereof |
| CN116916642A (en) * | 2023-08-02 | 2023-10-20 | 上海璞丰光电科技有限公司 | SMT welding equipment |
-
2020
- 2020-08-28 CN CN202021829028.3U patent/CN212977063U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113458521A (en) * | 2021-06-30 | 2021-10-01 | 江西师范高等专科学校 | Reflow soldering machine for computer circuit board |
| CN113245661A (en) * | 2021-07-07 | 2021-08-13 | 江苏长实基业电气科技有限公司 | Crest welder flue gas treatment device |
| CN114211163A (en) * | 2021-12-24 | 2022-03-22 | 宁波江丰电子材料股份有限公司 | Welding air cooling control device and air cooling method thereof |
| CN116916642A (en) * | 2023-08-02 | 2023-10-20 | 上海璞丰光电科技有限公司 | SMT welding equipment |
| CN116916642B (en) * | 2023-08-02 | 2024-02-09 | 上海璞丰光电科技有限公司 | SMT welding equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210416 |