Reflow soldering machine with auxiliary cleaning function

Abstract

The utility model relates to the technical field of reflow soldering machines, and discloses a reflow soldering machine with an auxiliary cleaning function, which comprises a machine body, two processing devices are arranged at the top of the machine body, and a transportation area is arranged at the top of the machine body. According to the reflow soldering machine with the auxiliary cleaning function, a scraper and a cleaning roller make contact with the surface of a conveying belt, a limiting plate is rotated to drive a limiting rod to be inserted into a limiting groove, the position of a supporting frame is fixed, a rotary knob is rotated to limit the limiting plate, and the firmness of the supporting frame is further improved; the scraper firstly removes welding slag and dust adhered to the surface of the conveying belt, then the cleaning roller conducts secondary cleaning, it is ensured that the conveying belt is clean and tidy in the next welding process, by cleaning the conveying belt, pollution of the welding slag and the dust to components is avoided, abrasion and faults are reduced, the service life of a machine body is prolonged, and the welding quality and the product reliability are improved. Operation is simple and convenient, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of reflow soldering machines, in particular to a reflow soldering machine with an auxiliary cleaning function. Background Art

[0002] A reflow soldering machine, also called a reflow oven or "reflow furnace", is a device that provides a heating environment to melt the solder paste, so that the surface-mounted components and PCB pads are reliably bonded together through the solder paste alloy.

[0003] The Chinese patent discloses a reflow soldering machine (authorization publication number CN214417879U). The reflow soldering machine of this patented technology is portable, the internal soldering situation is visual, heating soldering can be carried out according to the national standard curve of solder welding, the waste gas substances generated during the soldering process can be centrally collected and processed, and the external shell adopts a novel and unique shell design, so that the temperature of the electrical control board part will not be too high, thus ensuring the stability of system control.

[0004] In view of the above and existing related technologies, the inventor believes that there are often the following defects: during the soldering process of the existing reflow soldering machine, the solder dross and dust generated are easy to adhere to the conveyor belt, which will affect the soldering quality, and may even cause pollution and damage to the chips, reducing the service life of the reflow soldering machine. In addition, the accumulation of these solder dross and dust will also increase the labor intensity of the operators and reduce the production efficiency. Content of the Utility Model

[0005] The technical problem to be solved by the utility model is that in the prior art, the solder dross and dust generated during the soldering process of the reflow soldering machine are easy to adhere to the conveyor belt, affecting the soldering quality and the service life of the machine body. For this reason, we propose a reflow soldering machine with an auxiliary cleaning function.

[0006] In order to achieve the above object, the present application adopts the following technical solution: a reflow soldering machine with an auxiliary cleaning function, including a machine body, two processing devices are installed on the top of the machine body, a transportation area is opened on the top of the machine body, a conveyor belt is installed inside the transportation area, sliding rods are slidably connected to both sides at one end of the transportation area, the other ends of the sliding rods are fixed with support frames, a scraper is fixed to the bottom of the support frame, connecting rods are fixed to both ends of the bottom of the support frame, a connecting shaft is installed inside the connecting rod, a cleaning roller is rotatably connected to the surface of one end of the connecting shaft, fixed frames are fixed to both sides at one end of the top of the transportation area, a limiting plate is rotatably connected to one end of the fixed frame through a rotating shaft, a limiting rod is fixed to one end of the limiting plate, a limiting groove is opened on the surface of the support frame, and the limiting rod is inserted into the limiting groove.

[0007] Preferably, a base is fixed inside the fixing frame, a threaded rod is rotatably connected inside the base, and a knob is fixed at the top of the threaded rod.

[0008] Preferably, a limiting block is rotatably connected to the surface of the threaded rod, and a sliding groove for cooperating with the limiting block is formed on the surface of the limiting plate.

[0009] Preferably, a threaded hole is formed at the top of the base, and the threaded hole is internally threaded with the threaded rod.

[0010] Preferably, guide grooves are formed on both sides at one end of the transportation area, and the inner part of the guide grooves is slidably connected to the surface of the sliding rod.

[0011] Preferably, a fixed ring is fixed to the surface of the sliding rod, and one side of the fixed ring close to the guide groove abuts against the transportation area.

[0012] Preferably, a groove is formed on one side of the connecting rod, a spring is fixed inside the groove, and the other end of the spring is fixed to the connecting shaft.

[0013] The technical effects and advantages of the present utility model:

[0014] In the present utility model, by moving the support frame above the conveyor belt, the scraper and the cleaning roller are brought into contact with the surface of the conveyor belt. By rotating the limiting plate, the limiting rod is driven to insert into the limiting groove to fix the position of the support frame, and the knob is rotated to limit the limiting plate, further improving the firmness of the support frame. At this time, as the conveyor belt rotates, the scraper first removes the welding slag and dust adhered to the surface of the conveyor belt, and then the cleaning roller performs secondary cleaning to ensure the cleanliness of the conveyor belt during the next welding. By cleaning the conveyor belt, the pollution of welding slag and dust to components is avoided, wear and faults are reduced, the service life of the machine body is prolonged, the welding quality and the reliability of the product are improved, and the operation is simple and convenient, with strong practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the front view structural schematic diagram of the present utility model;

[0016] Figure 2 is the internal sectional view structural schematic diagram of the present utility model;

[0017] Figure 3 is the cleaning mechanism structural schematic diagram of the present utility model;

[0018] Figure 4 is the split structural schematic diagram of the fixing mechanism of the present utility model;

[0019] Figure 5 is the internal split structural schematic diagram of the connecting rod of the present utility model.

[0020] Legend: 1. Machine body; 2. Processing device; 3. Transportation area; 4. Conveyor belt; 5. Slide bar; 6. Support frame; 7. Scraper; 8. Connecting rod; 9. Connecting shaft; 10. Cleaning roller; 11. Fixed frame; 12. Limiting plate; 13. Limiting rod; 14. Limiting groove; 15. Base; 16. Threaded rod; 17. Knob; 18. Limiting block; 19. Chute; 20. Threaded hole; 21. Guide groove; 22. Fixed ring; 23. Groove; 24. Spring. Detailed implementation mode

[0021] Now, in combination with the attached drawings and preferred embodiments, the present utility model will be further described in detail. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present utility model in a schematic manner, so they only show the components related to the present utility model.

[0022] Refer to Figure 1 - Figure 5 As shown, the present utility model provides a technical solution: a reflow soldering machine with an auxiliary cleaning function, including a machine body 1. Two processing devices 2 are installed on the top of the machine body 1. A transportation area 3 is opened on the top of the machine body 1. A conveyor belt 4 is installed inside the transportation area 3. Slide bars 5 are slidably connected to both sides at one end of the transportation area 3. The other ends of the slide bars 5 are fixed with support frames 6. A scraper 7 is fixed to the bottom of the support frame 6. Connecting rods 8 are fixed to both ends of the bottom of the support frame 6. A connecting shaft 9 is installed inside the connecting rod 8. A cleaning roller 10 is rotatably connected to the surface of one end of the connecting shaft 9. Fixed frames 11 are fixed to both sides at one end of the top of the transportation area 3. One end of the fixed frame 11 is rotatably connected with a limiting plate 12 through a rotating shaft. A limiting rod 13 is fixed to one end of the limiting plate 12. A limiting groove 14 is opened on the surface of the support frame 6. The limiting rod 13 is inserted into the limiting groove 14. A base 15 is fixed inside the fixed frame 11. A threaded rod 16 is rotatably connected inside the base 15. A knob 17 is fixed to the top of the threaded rod 16. By moving the support frame 6 above the conveyor belt 4, the scraper 7 and the cleaning roller 10 are brought into contact with the surface of the conveyor belt 4. By rotating the limiting plate 12, the limiting rod 13 is driven to insert into the limiting groove 14 to fix the position of the support frame 6, and the knob 17 is rotated to limit the limiting plate 12, further improving the firmness of the support frame 6. At this time, as the conveyor belt 4 rotates, the scraper 7 first removes the welding slag and dust adhered to the surface of the conveyor belt 4, and then the cleaning roller 10 performs secondary cleaning to ensure the cleanliness of the conveyor belt 4 during the next welding. By cleaning the conveyor belt 4, the pollution of components by welding slag and dust is avoided, wear and faults are reduced, the service life of the machine body 1 is prolonged, and the welding quality and product reliability are improved.

[0023] Refer to Figure 4As shown, in this embodiment: A limiting block 18 is rotatably connected to the surface of the threaded rod 16, and a sliding groove 19 that cooperates with the limiting block 18 is provided on the surface of the limiting plate 12. By providing the structure of the limiting block 18 and the sliding groove 19, it can ensure that the threaded rod 16 remains stable during rotation and avoid tilting.

[0024] Refer to Figure 4 As shown, in this embodiment: A threaded hole 20 is provided at the top of the base 15, and the threaded rod 16 is threadedly connected to the inside of the threaded hole 20. By providing the threaded hole 20, it can ensure that when the limiting plate 12 is rotated to drive the threaded rod 16 to rotate, it is in a locked state inside the threaded hole 20, ensuring the limiting effect on the limiting plate 12.

[0025] Refer to Figure 2 As shown, in this embodiment: Guide grooves 21 are provided on both sides at one end of the transportation area 3, and the surface of the sliding rod 5 is slidably connected to the inside of the guide grooves 21. By providing the guide grooves 21, the movement trajectory of the sliding rod 5 can be restricted, and when cleaning is not required, the support frame 6 can be placed under the conveyor belt 4 along the trajectory of the guide grooves 21.

[0026] Refer to Figure 3 As shown, in this embodiment: A fixed ring 22 is fixed to the surface of the sliding rod 5, and the side of the fixed ring 22 close to the guide groove 21 abuts against the transportation area 3. By providing the fixed ring 22, it can ensure the stability of the sliding rod 5 moving inside the guide groove 21 and avoid falling.

[0027] Refer to Figure 5 As shown, in this embodiment: A groove 23 is provided on one side of the connecting rod 8, a spring 24 is fixed inside the groove 23, and the other end of the spring 24 is fixed to the connecting shaft 9. By providing the groove 23 and the spring 24, the connecting shaft 9 and the cleaning roller 10 can be flexibly disassembled, facilitating the replacement and cleaning of the cleaning roller 10 and improving the cleaning effect of the cleaning mechanism.

[0028] Working principle: The user moves the support frame 6 above the conveyor belt 4, making the scraper 7 and the cleaning roller 10 contact the surface of the conveyor belt 4. By rotating the limit plate 12, the limit rod 13 is driven to insert into the interior of the limit groove 14 to fix the position of the support frame 6, and the knob 17 is rotated to limit the limit plate 12, further improving the firmness of the support frame 6. At this time, with the rotation of the conveyor belt 4, the scraper 7 first removes the welding slag and dust adhering to the surface of the conveyor belt 4, and then the cleaning roller 10 performs secondary cleaning to ensure the cleanliness of the conveyor belt 4 during the next welding. By cleaning the conveyor belt 4, it avoids the pollution of components by welding slag and dust, reduces wear and faults, extends the service life of the machine body 1, improves the welding quality and the reliability of the product. By setting the structure of the limit block 18 and the chute 19, it can ensure that the threaded rod 16 remains stable during rotation and avoid tilting. By setting the threaded hole 20, it can ensure that when the rotating limit plate 12 drives the threaded rod 16 to rotate, it is in a locked state inside the threaded hole 20 to ensure the limiting effect on the limit plate 12. By setting the guide groove 21, it can limit the movement track of the sliding rod 5, and when cleaning is not required, the support frame 6 can be placed below the conveyor belt 4 along the track of the guide groove 21. By setting the fixed ring 22, it can ensure the stability of the sliding rod 5 moving inside the guide groove 21 and avoid falling. By setting the groove 23 and the spring 24, the connecting shaft 9 and the cleaning roller 10 can be flexibly disassembled, which is convenient for replacing and cleaning the cleaning roller 10 and improves the cleaning effect of the cleaning mechanism.

[0029] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A reflow soldering machine with auxiliary cleaning function, comprising a machine body (1), characterized in that: Two processing devices (2) are installed on the top of the machine body (1); a transport area (3) is opened on the top of the machine body (1); a conveyor belt (4) is installed inside the transport area (3); both sides of one end of the transport area (3) are slidably connected with a slide bar (5); a support frame (6) is fixed to the other end of the slide bar (5); a scraper (7) is fixed to the bottom of the support frame (6); connecting rods (8) are fixed to both ends of the bottom of the support frame (6); and the connecting rods (8) are connected to the ends of the bottom of the support frame (6). ) is installed with a connecting shaft (9) inside, and a cleaning roller (10) is rotatably connected to the surface of one end of the connecting shaft (9), and fixing frames (11) are fixed on both sides of one end of the top of the transport area (3), and one end of the fixing frame (11) is rotatably connected to a limiting plate (12) through a rotating shaft, and a limiting rod (13) is fixed to one end of the limiting plate (12), and a limiting groove (14) is provided on the surface of the support frame (6), and the inside of the limiting groove (14) is plugged into the limiting rod (13).

2. The reflow soldering machine with auxiliary cleaning function according to claim 1, characterized in that: A base (15) is fixed inside the fixing frame (11), a threaded rod (16) is rotatably connected inside the base (15), and a knob (17) is fixed on the top of the threaded rod (16).

3. The reflow soldering machine with auxiliary cleaning function according to claim 2, characterized in that: The surface of the threaded rod (16) is rotatably connected to a limiting block (18), and the surface of the limiting plate (12) is provided with a sliding groove (19) for use with the limiting block (18).

4. The reflow soldering machine with auxiliary cleaning function according to claim 2, characterized in that: A threaded hole (20) is provided on the top of the base (15), and the interior of the threaded hole (20) is threadedly connected to the threaded rod (16).

5. The reflow soldering machine with auxiliary cleaning function according to claim 1, characterized in that: Guide grooves (21) are provided on both sides of one end of the transport area (3), and the interior of the guide groove (21) is slidably connected to the surface of the slide rod (5).

6. The reflow soldering machine with auxiliary cleaning function according to claim 1, characterized in that: A fixed circular ring (22) is fixed on the surface of the sliding rod (5), and a side of the fixed circular ring (22) close to the guide groove (21) abuts against the transport area (3).

7. The reflow soldering machine with auxiliary cleaning function according to claim 1, characterized in that: A groove (23) is provided on one side of the connecting rod (8), a spring (24) is fixed inside the groove (23), and the other end of the spring (24) is fixed to the connecting shaft (9).

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