CN215345288U - SMT through-hole backflow material furnace - Google Patents
SMT through-hole backflow material furnace Download PDFInfo
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- CN215345288U CN215345288U CN202121196309.4U CN202121196309U CN215345288U CN 215345288 U CN215345288 U CN 215345288U CN 202121196309 U CN202121196309 U CN 202121196309U CN 215345288 U CN215345288 U CN 215345288U
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Abstract
The utility model discloses an SMT through hole backflow material furnace, relates to the technical field of SMT, and aims to solve the problem that steam of a common SMT through hole backflow material furnace in the prior art is not easy to discharge quickly. The air duct is installed to the below of wind storehouse, material stove and wind storehouse all with air duct fixed connection, material stove and wind storehouse all communicate with the air duct, the air pump is installed to the top of wind storehouse, and air pump and wind storehouse fixed connection, install the breathing pipe on the preceding terminal surface of air pump, and breathing pipe and air pump pass through flange fixed connection, breathing pipe and wind storehouse intercommunication, the internally mounted of wind storehouse has heat exchanger, and heat exchanger and wind storehouse fixed connection, heat exchanger's inboard is provided with the cooling tube, first pay-off gear and second pay-off gear are installed respectively to the inside of material stove, and first pay-off gear and second pay-off gear all rotate with the material stove through the bearing and be connected, the outside of first pay-off gear and second pay-off gear all is provided with the pay-off grid.
Description
Technical Field
The utility model relates to the technical field of SMT, in particular to an SMT through hole backflow material furnace.
Background
The SMT through hole backflow material furnace is generally divided into a preheating stage and a heating stage, the PCB is mainly heated, components are welded on the PCB in a reflow soldering mode, residual moisture in the PCB can be evaporated when the PCB is preheated by the material furnace, the evaporated moisture forms water vapor, most SMT through hole backflow material furnaces do not adopt an exhaust structure, so that the moisture cannot be discharged in time, and the furnace is easy to damage due to long-time accumulation; therefore, the market urgently needs to develop an SMT through hole backflow material furnace to help people solve the existing problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an SMT through hole reflow material furnace, which solves the problem that steam of the common SMT through hole reflow material furnace in the background technology is not easy to discharge quickly.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a SMT through-hole backward flow material stove, includes material stove and wind storehouse, the wind channel is installed to the below in wind storehouse, material stove and wind storehouse all with wind channel fixed connection, material stove and wind storehouse all communicate with the wind channel, the air pump is installed to the top in wind storehouse, and air pump and wind storehouse fixed connection, install the breathing pipe on the preceding terminal surface of air pump, and breathing pipe and air pump pass through flange fixed connection, breathing pipe and wind storehouse intercommunication.
Preferably, a heat exchanger is installed inside the wind box and fixedly connected with the wind box, and a cooling pipe is arranged on the inner side of the heat exchanger.
Preferably, a first feeding gear and a second feeding gear are respectively installed inside the material furnace, the first feeding gear and the second feeding gear are rotatably connected with the material furnace through bearings, and feeding grids are arranged on the outer sides of the first feeding gear and the second feeding gear.
Preferably, the front end face of the material furnace is provided with a speed reducer, the speed reducer is fixedly connected with the material furnace, the front end face of the speed reducer is provided with a motor, and the motor is fixedly connected with the speed reducer.
Preferably, the inside of material stove is provided with electric heater, the support is installed to electric heater's below, electric heater and material stove are all through fastening screw and support fixed connection.
Preferably, the lower part of the material furnace is provided with an air inlet, the air inlet and the material furnace are arranged into an integral structure, and the lower part of the material furnace is provided with a filter grid which is fixedly connected with the material furnace.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model discloses a through the setting of air pump, through the inside air of air pump extraction wind storehouse, make the inside negative pressure that forms of wind storehouse, the inside air of material stove will get into the wind storehouse through the wind channel this moment to extract the inside of wind storehouse with moisture and steam, at last by the air pump extraction go out and discharge, thereby play the exhaust work to the material stove, avoid moisture to remain in the inside of material stove, improve the life of material stove, make the material stove use more safety.
2. The utility model discloses a through heat exchanger's setting, heat exchanger sets up the inside at the wind storehouse, heat exchanger's inboard is provided with the cooling tube, through heat exchanger and hot-blast abundant contact, make heat exchanger all-round generate heat, then cool off heat exchanger through the cooling tube, thereby absorb the heat and carry to heat energy storage equipment in, and the refrigerated heat exchanger will cool off hot-blast, thereby realize the cooling air flow, collect the working effect of heat energy, make this material stove use more environmental protection, exhaust steam will also be cooled off, improve the safety in utilization of this material stove.
3. The utility model discloses a through the setting of filtering the grid, filtering the grid setting in the below of air intake, filtering the air of external world through filtering the grid, prevent that impurity from getting into the inside of material stove for the PCB board can not receive the pollution of impurity, makes this material stove can not cause the damage to the PCB board at the in-process of heating operation and convulsions operation, improves the work production quality of this material stove.
Drawings
FIG. 1 is a front view of an SMT via reflow oven of the present invention.
FIG. 2 is a schematic diagram of an internal structure of an SMT through hole reflow oven according to the present invention.
Fig. 3 is a top view of the feed grate of the present invention.
In the figure: 1. a material furnace; 2. a wind bin; 3. an air duct; 4. an air pump; 5. an air intake duct; 6. a motor; 7. a speed reducer; 8. an electric heater; 9. filtering the grating; 10. an air inlet; 11. a first feed gear; 12. a second feed gear; 13. a feeding grid; 14. a heat exchanger; 15. a cooling tube; 16. and (4) a bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, an embodiment of the present invention is shown: the utility model provides a SMT through-hole backward flow material stove, including material stove 1 and wind storehouse 2, wind channel 3 is installed to the below of wind storehouse 2, material stove 1 and wind storehouse 2 all with 3 fixed connection in wind channel, material stove 1 and wind storehouse 2 all communicate with 3 in wind channel, air pump 4 is installed to the top of wind storehouse 2, air pump 4 and wind storehouse 2 fixed connection, install breathing pipe 5 on the preceding terminal surface of air pump 4, breathing pipe 5 passes through flange fixed connection with air pump 4, breathing pipe 5 and wind storehouse 2 intercommunication.
Further, a heat exchanger 14 is installed inside the wind box 2, the heat exchanger 14 is fixedly connected with the wind box 2, a cooling pipe 15 is arranged inside the heat exchanger 14, and the cooling pipe 15 can cool the heat exchanger 14 and recover heat energy.
Further, a first feeding gear 11 and a second feeding gear 12 are respectively installed inside the material furnace 1, the first feeding gear 11 and the second feeding gear 12 are rotatably connected with the material furnace 1 through bearings, feeding grids 13 are respectively arranged on the outer sides of the first feeding gear 11 and the second feeding gear 12, and the first feeding gear 11 and the second feeding gear 12 can be rotatably connected through the feeding grids 13.
Further, install reduction gear 7 on the preceding terminal surface of material stove 1, reduction gear 7 and material stove 1 fixed connection, install motor 6 on the preceding terminal surface of reduction gear 7, motor 6 and reduction gear 7 fixed connection, reduction gear 7 and first pay-off gear 11 pass through even axle fixed connection, and motor 6 and reduction gear 7 pass through shaft coupling fixed connection.
Further, an electric heater 8 is arranged inside the material furnace 1, a support 16 is installed below the electric heater 8, the electric heater 8 and the material furnace 1 are fixedly connected with the support 16 through fastening screws, and the electric heater 8 is located below the feeding grid 13.
Further, an air inlet 10 is arranged below the material furnace 1, the air inlet 10 and the material furnace 1 are arranged into an integral structure, a filter grid 9 is arranged below the material furnace 1, the filter grid 9 is fixedly connected with the material furnace 1, and the air inlet 10 is provided with a plurality of air inlets.
The working principle is as follows: when the air suction type PCB drying machine is used, a PCB is conveyed to the inside of a material furnace 1 and conveyed to the upper side of a feeding grid 13, a motor 6 is started, the motor 6 drives a first feeding gear 11 to rotate after being decelerated by a reducer 7, the first feeding gear 11 drives the feeding grid 13 to rotate and drives a second feeding gear 12 to rotate, the feeding grid 13 slowly rotates in the material furnace 1, the PCB slowly moves in the material furnace 1, the PCB is heated by an electric heater 8 at the moment, moisture in the PCB is evaporated, an air pump 4 is started, the air in an air bin 2 is extracted by the air pump 4 through an air suction pipe 5, negative pressure is formed in the air bin 2, the air in the material furnace 1 enters the air bin 2 through an air duct 3 at the moment, moisture and steam are extracted into the air bin 2 and finally extracted by the air pump 4 and discharged, thereby play the exhaust work to material stove 1, avoid moisture to remain in the inside of material stove 1, improve the life of material stove 1, make material stove 1 use more safety, the thermal current will cool off through heat exchanger 14 when wind storehouse 2 is inside, the inboard of heat exchanger 14 is provided with cooling tube 15, fully contact with hot-blast through heat exchanger 14, make heat exchanger 14 all-round generate heat, then cool off heat exchanger 14 through cooling tube 15, thereby absorb and carry the heat to in the heat energy storage equipment, and the heat exchanger 14 that cools off will cool off hot-blast, thereby realize the cooling air current, collect the working effect of heat energy, make this material stove 1 use more environmental protection, exhaust steam will also be cooled off, improve the safety in utilization of this material stove 1.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a SMT through-hole backward flow material stove, includes material stove (1) and wind storehouse (2), its characterized in that: air duct (3) are installed to the below of wind storehouse (2), material stove (1) and wind storehouse (2) all with air duct (3) fixed connection, material stove (1) and wind storehouse (2) all communicate with air duct (3), air pump (4) are installed to the top of wind storehouse (2), and air pump (4) and wind storehouse (2) fixed connection, install breathing pipe (5) on the preceding terminal surface of air pump (4), and breathing pipe (5) and air pump (4) pass through flange fixed connection, breathing pipe (5) and wind storehouse (2) intercommunication.
2. An SMT via reflow oven according to claim 1, wherein: the heat exchanger (14) is installed in the air bin (2), the heat exchanger (14) is fixedly connected with the air bin (2), and a cooling pipe (15) is arranged on the inner side of the heat exchanger (14).
3. An SMT via reflow oven according to claim 1, wherein: the material feeding device is characterized in that a first feeding gear (11) and a second feeding gear (12) are respectively installed inside the material furnace (1), the first feeding gear (11) and the second feeding gear (12) are rotatably connected with the material furnace (1) through bearings, and feeding grids (13) are arranged on the outer sides of the first feeding gear (11) and the second feeding gear (12).
4. An SMT via reflow oven according to claim 1, wherein: install reduction gear (7) on the preceding terminal surface of material stove (1), and reduction gear (7) and material stove (1) fixed connection, install motor (6) on the preceding terminal surface of reduction gear (7), and motor (6) and reduction gear (7) fixed connection.
5. An SMT via reflow oven according to claim 1, wherein: the material furnace is characterized in that an electric heater (8) is arranged inside the material furnace (1), a support (16) is installed below the electric heater (8), and the electric heater (8) and the material furnace (1) are fixedly connected with the support (16) through fastening screws.
6. An SMT via reflow oven according to claim 1, wherein: the material furnace is characterized in that an air inlet (10) is formed in the lower portion of the material furnace (1), the air inlet (10) and the material furnace (1) are arranged into an integral structure, a filter grid (9) is installed below the material furnace (1), and the filter grid (9) is fixedly connected with the material furnace (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121196309.4U CN215345288U (en) | 2021-05-31 | 2021-05-31 | SMT through-hole backflow material furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121196309.4U CN215345288U (en) | 2021-05-31 | 2021-05-31 | SMT through-hole backflow material furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215345288U true CN215345288U (en) | 2021-12-28 |
Family
ID=79549484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121196309.4U Active CN215345288U (en) | 2021-05-31 | 2021-05-31 | SMT through-hole backflow material furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215345288U (en) |
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2021
- 2021-05-31 CN CN202121196309.4U patent/CN215345288U/en active Active
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