Reflow soldering device

Abstract

The utility model relates to the technical field of reflow soldering, and discloses a reflow soldering device which comprises a bottom plate, a preheating box, a welding box and a cooling box are sequentially and fixedly arranged on the upper end face of the bottom plate from left to right, two installation ring plates are arranged on the right side of the cooling box, and a protection box is fixedly arranged on the upper end face of the cooling box. And an air cooling assembly is arranged in the mounting ring plate and the protection box, a mounting groove is formed in the upper end face of the bottom plate, and a material conveying assembly is arranged in the mounting groove. By arranging the air cooling assembly, the micro motor can drive the rotating shaft and the fan blades to rotate, so that the fan blades can blow external cold air leftwards into the cooling box, and the cold air can carry away heat emitted by the mainboard to become hot air; and the fan can blow hot air into the bottom plate through the air suction cover, the air suction pipe, the air outlet pipe and the air outlet cover, so that the cooling speed of the mainboard can be increased, and heat can be recycled.

Description

Technical Field

[0001] The utility model relates to the technical field of reflow soldering, in particular to a reflow soldering device. Background Art

[0002] Reflow soldering technology is not unfamiliar in the field of electronic manufacturing. The components on various boards used in our computers are soldered to the circuit board through this process. There is a heating circuit inside this equipment, which heats the air or nitrogen to a high enough temperature and blows it toward the circuit board with the components already attached, so that the solder on both sides of the components melts and then bonds to the mainboard. The advantage of this process is that the temperature is easy to control, oxidation can be avoided during the soldering process, and the manufacturing cost is easier to control.

[0003] The reflow soldering device generally includes the following areas: board feeding area: the area for receiving the sheets to be soldered, usually with an automatic board feeding mechanism for delivering the sheets into the soldering area; preheating area: used for preheating the sheets to reduce the thermal stress during soldering and improve the soldering effect; soldering area: the main area where soldering occurs, including the soldering mechanism, soldering furnace and soldering control system, etc.; cooling area: used for cooling the sheets after soldering to ensure that the temperature of the sheets after soldering returns to normal; board exit area: used for moving the sheets after soldering out of the soldering area, and can be equipped with an automatic board exit mechanism to realize soldering automation.

[0004] Some reflow soldering devices currently on the market are not equipped with corresponding cooling structures. After reflow soldering of the mainboard, the temperature is high and the cooling time is long, thereby reducing the production efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide a reflow soldering device, which can solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a reflow soldering device, comprising a base plate, the upper end surface of the base plate is fixedly provided with a preheating box, a welding box, and a cooling box in sequence from left to right, two mounting ring plates are provided on the right side of the cooling box, a protection box is fixedly provided on the upper end surface of the cooling box, an air cooling component is provided inside the mounting ring plate and the protection box, an mounting groove is provided on the upper end surface of the base plate, and a feeding component is provided inside the mounting groove.

[0007] Preferably, the air cooling component includes a micro motor, a rotating shaft, fan blades, a fan, an air suction duct, and an air outlet duct. Filters are installed on both sides of the left and right sides of the mounting ring plate. A fixed box is fixed to the left side of the right filter, and a micro motor is installed inside the fixed box.

[0008] Preferably, a rotating shaft is fixedly provided at the output end of the micro motor, the other end of the rotating shaft is installed on the right side of the left filter, and a fan blade is sleeved on the outer side of the rotating shaft.

[0009] Preferably, a fan is installed inside the protection box, a suction pipe is fixedly provided at the suction end of the fan, a suction hood is fixedly provided at the other end of the suction pipe, and the suction hood is located on the left side inside the cooling box.

[0010] Preferably, an air outlet pipe is fixedly provided at the air outlet end of the fan, an air outlet cover is fixedly provided at the other end of the air outlet pipe, and the air outlet cover is arranged at the top inside the preheating box.

[0011] Preferably, the feeding assembly includes rollers, conveyor belts, and a motor box. Nine rollers are installed between the front and rear sides of the installation groove. The outer sides of the rollers are sleeved with conveyor belts. A motor box is installed on the left side of the front side of the base plate. The output end of the driving motor inside the motor box is fixedly connected to one end of the leftmost roller.

[0012] Preferably, the front sides of the preheating box, the welding box and the cooling box are all provided with observation windows, the front side of the base plate is provided with a control panel, and the four corners of the lower end surface of the base plate are fixedly provided with support rods.

[0013] Compared with the prior art, the utility model provides a reflow soldering device, which has the following beneficial effects:

[0014] 1. The utility model is provided with an air cooling component, and the micro motor can drive the rotating shaft and the fan blades to rotate, so that the fan blades can blow the cold air from the outside to the left into the interior of the cooling box, and the cold air can carry away the heat emitted by the mainboard and turn into hot air, and the fan can blow the hot air into the interior of the bottom plate through the air suction cover, the air suction pipe, the air outlet pipe, and the air outlet cover, so as to accelerate the cooling speed of the mainboard and recycle the heat;

[0015] 2. The utility model sets a feeding assembly to start the driving motor inside the motor box, so that the driving motor can drive the roller and the conveyor belt to rotate, and the conveyor belt can continuously and slowly transport the mainboard to the right. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0019] Figure 4It is a schematic diagram of the cross-sectional structure of the bottom plate of the utility model.

[0020] Among them: 1. Bottom plate; 2. Preheating box; 3. Welding box; 4. Cooling box; 5. Mounting ring plate; 6. Filter; 7. Fixing box; 8. Micro motor; 9. Rotating shaft; 10. Fan blades; 11. Protective box; 12. Fan; 13. Suction duct; 14. Suction hood; 15. Air outlet duct; 16. Air outlet hood; 17. Mounting slot; 18. Roller; 19. Conveyor belt; 20. Motor box; 21. Observation window; 22. Control panel; 23. Support rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example 1

[0023] See also Figure 1-2 A reflow soldering device is shown in the figure, including a base plate 1, on the upper end surface of the base plate 1, a preheating box 2, a welding box 3, and a cooling box 4 are fixedly arranged in sequence from left to right, two mounting ring plates 5 are provided on the right side of the cooling box 4, a protection box 11 is fixedly provided on the upper end surface of the cooling box 4, an air cooling component is arranged inside the mounting ring plate 5 and the protection box 11, a mounting groove 17 is provided on the upper end surface of the base plate 1, and a feeding component is arranged inside the mounting groove 17.

[0024] See also Figure 2-3 The air cooling component includes a micro motor 8, a rotating shaft 9, fan blades 10, a fan 12, an air suction pipe 13, and an air outlet pipe 15. Filters 6 are installed on both sides of the left and right sides of the inside of the mounting ring plate 5. A fixed box 7 is fixedly provided on the left side of the right filter 6, and a micro motor 8 is installed inside the fixed box 7.

[0025] In this embodiment, the filter screen 6 can filter dust from the outside and facilitate the installation of the fixing box 7 . The installation of the fixing box 7 facilitates the installation of the micro motor 8 .

[0026] See also Figure 3 A rotating shaft 9 is fixedly provided at the output end of the micro motor 8 , and the other end of the rotating shaft 9 is installed on the right side of the left filter screen 6 , and a fan blade 10 is sleeved on the outer side of the rotating shaft 9 .

[0027] In this embodiment: the micro motor 8 is started, and the output end of the micro motor 8 can drive the rotating shaft 9 to rotate, and the rotating shaft 9 can thereby drive the fan blades 10 to rotate, and the fan blades 10 can thereby blow the external wind to the left through the mounting ring plate 5 into the interior of the cooling box 4.

[0028] See also Figure 2 A fan 12 is installed inside the protection box 11, a suction pipe 13 is fixedly provided at the suction end of the fan 12, and a suction hood 14 is fixedly provided at the other end of the suction pipe 13. The suction hood 14 is located on the left side inside the cooling box 4.

[0029] In this embodiment, the fan 12 is started, and the fan 12 can suck the hot air inside the cooling box 4 into the inside of the suction pipe 13 through the suction hood 14.

[0030] See also Figure 2 An air outlet pipe 15 is fixedly provided at the air outlet end of the fan 12 , and an air outlet cover 16 is fixedly provided at the other end of the air outlet pipe 15 . The air outlet cover 16 is arranged at the top inside the preheating box 2 .

[0031] In this embodiment: the fan 12 is started, and the fan 12 can blow the hot air inside the cooling box 4 into the interior of the preheating box 2 through the air suction hood 14, the air suction pipe 13, the air outlet pipe 15, and the air outlet hood 16, so as to dissipate heat for the mainboard inside the cooling box 4 and recycle the heat.

[0032] Working principle: the mainboard is continuously and slowly transported to the right under the action of the conveyor belt 19, and the micro motor 8 is started, so that the micro motor 8 can drive the rotating shaft 9 to rotate, and the rotating shaft 9 can drive the fan blades 10 to rotate, so that the fan blades 10 can blow the cold air on the right side of the cooling box 4 to the left into the interior of the cooling box 4, and the cold air can carry away the heat emitted by the mainboard and turn it into hot air. At the same time, the fan 12 is started, and the fan 12 can blow the hot air into the interior of the bottom plate 1 through the air suction hood 14, the air suction pipe 13, the air outlet pipe 15, and the air outlet hood 16, so as to speed up the cooling speed of the mainboard and transport the heat to the interior of the preheating box 2 for recycling.

[0033] Example 2

[0034] See also Figure 4 This embodiment further explains Example 1. In the figure, the feeding assembly includes rollers 18, conveyor belts 19, and a motor box 20. Nine rollers 18 are installed between the front and rear sides of the installation groove 17. The outer side of the rollers 18 is sleeved with a conveyor belt 19. The motor box 20 is installed on the left side of the front side of the bottom plate 1. The output end of the driving motor inside the motor box 20 is fixedly connected to one end of the leftmost roller 18.

[0035] In this embodiment: the driving motor inside the motor box 20 is started, and the driving motor can drive the roller 18 to rotate, thereby driving the conveyor belt 19 to rotate, and the conveyor belt 19 can continuously and slowly transport the mainboard to the right.

[0036] See also Figure 1 , the fronts of the preheating box 2, the welding box 3, and the cooling box 4 are all provided with observation windows 21, the front of the bottom plate 1 is provided with a control panel 22, and the four corners of the lower end surface of the bottom plate 1 are fixedly provided with support rods 23.

[0037] In this embodiment, the support rod 23 can support the device, the control panel 22 can control the device, and the observation window 21 is provided to facilitate personnel to observe the production status of the mainboard.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include"-"comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process-method-article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process-method-article or device.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reflow soldering device, comprising a base plate (1), characterized in that: The upper end surface of the bottom plate (1) is fixedly provided with a preheating box (2), a welding box (3), and a cooling box (4) in sequence from left to right; two mounting ring plates (5) are provided on the right side of the cooling box (4); a protection box (11) is fixedly provided on the upper end surface of the cooling box (4); an air cooling component is provided inside the mounting ring plate (5) and the protection box (11); a mounting groove (17) is provided on the upper end surface of the bottom plate (1); a material conveying component is provided inside the mounting groove (17).

2. A reflow soldering device according to claim 1, characterized in that: The air cooling component comprises a micro motor (8), a rotating shaft (9), a fan blade (10), a fan (12), an air suction pipe (13), and an air outlet pipe (15); filters (6) are installed on both left and right sides of the inside of the mounting ring plate (5); a fixed box (7) is fixedly provided on the left side of the right filter (6); and a micro motor (8) is installed inside the fixed box (7).

3. A reflow soldering device according to claim 2, characterized in that: A rotating shaft (9) is fixedly provided at the output end of the micro motor (8), the other end of the rotating shaft (9) is mounted on the right side of the left filter screen (6), and a fan blade (10) is sleeved on the outer side of the rotating shaft (9).

4. A reflow soldering device according to claim 1, characterized in that: A fan (12) is installed inside the protection box (11); a suction pipe (13) is fixedly provided at the suction end of the fan (12); a suction hood (14) is fixedly provided at the other end of the suction pipe (13); and the suction hood (14) is located on the left side inside the cooling box (4).

5. A reflow soldering device according to claim 4, characterized in that: An air outlet pipe (15) is fixedly provided at the air outlet end of the fan (12), and an air outlet cover (16) is fixedly provided at the other end of the air outlet pipe (15), and the air outlet cover (16) is arranged at the top inside the preheating box (2).

6. A reflow soldering device according to claim 1, characterized in that: The feeding assembly comprises rollers (18), a conveyor belt (19), and a motor box (20); nine rollers (18) are installed between the front and rear sides of the installation groove (17); the outer sides of the rollers (18) are sleeved with the conveyor belt (19); the motor box (20) is installed on the left side of the front side of the bottom plate (1); the output end of the driving motor inside the motor box (20) is fixedly connected to one end of the leftmost roller (18).

7. A reflow soldering device according to claim 1, characterized in that: The front faces of the preheating box (2), the welding box (3) and the cooling box (4) are all provided with observation windows (21); the front face of the bottom plate (1) is provided with a control panel (22); and the four corners of the lower end face of the bottom plate (1) are all fixedly provided with support rods (23).

Images