Soldering tin frame for electronic element of PCB (Printed Circuit Board)

By designing a solder rack with a movable box, the safety hazards of tin liquid splashing during the soldering process are solved, and the safety and cleaning efficiency of the soldering process are improved through centralized exhaust gas treatment.

CN222626437UActive Publication Date: 2025-03-18YUWEI ELECTRONIC TECHNOLOGY (WUHAN) CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202420962760.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-07
Publication Date
2025-03-18
Estimated Expiration
2034-05-07

AI Technical Summary

Technical Problem

The existing solder racks cannot effectively block the solder position during the soldering process, resulting in the tin liquid being prone to splashing, posing a safety hazard, and the tin material remaining in the heating mechanism is difficult to clean.

Method used

A solder rack including a movable box is designed. The movable box can completely block the solder position, avoid tin liquid splashing, and concentrate waste gas through the box for later filtration and emissions. The heating box is removable to facilitate cleaning of residual waste.

Benefits of technology

It effectively avoids the safety hazards of tin liquid splashing, and through centralized waste gas treatment, the safety and cleaning efficiency of the soldering process are improved.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222626437U_ABST
    Figure CN222626437U_ABST
Patent Text Reader

Abstract

The utility model provides a PCB electronic element soldering tin frame which comprises a soldering tin frame body, the soldering tin frame body comprises a base, a box body is movably installed at the top of the base, a pushing mechanism and an air exhaust barrel are fixedly installed at the top of the box body, a movable barrel is movably installed in the air exhaust barrel, a supporting plate is welded to the base, and the supporting plate is welded to the top of the box body. A movable plate is movably installed between the supporting plates, a fixing hole is formed in the movable plate, one end of the pushing mechanism movably makes contact with the fixing hole, an observation window is fixedly installed on the side of the box body, and a switch is fixedly installed on the side of the base. According to the PCB electronic element tin soldering frame, when the PCB electronic element tin soldering frame is used, the movable box is movably installed on the base, the tin soldering position is comprehensively shielded through the movable box, the danger caused by tin liquid splashing is avoided, in addition, internal waste gas is concentrated through the box body, and later concentrated filtering and discharging are facilitated.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of soldering rack equipment, in particular to a soldering rack for electronic components of a PCB circuit board. Background Art

[0002] Solder is an important industrial raw material for connecting electronic components in welding circuits. Tin is a solder with a low melting point. Soldering on a circuit board facilitates the subsequent circuit connection between the electronic components. When soldering a circuit board, a dedicated solder rack is required to complete the soldering. However, the heating mechanism inside the existing solder rack is not easy to disassemble, and the residual tin in the heating mechanism cannot be cleaned later.

[0003] According to the patent document with the existing publication number CN215898133U, a soldering rack for electronic components used in PCB circuit board production is disclosed, which includes an operating table, a plurality of supporting legs distributed in a rectangular shape are fixedly installed at the bottom of the operating table, two supporting plates distributed in a symmetrical shape are fixedly installed at the top of the operating table, and a stepper motor is fixedly installed on one side of one of the supporting plates, and the two supporting plates are rotatably connected to the top of one side close to each other, and the end of the output shaft of the stepper motor passes through the supporting plate and is fixedly connected to the rotating rod. When this technical solution is in use, it can adsorb the toxic gas generated by the soldering during the soldering work, so that the smoke will not spread everywhere, thereby reducing the harm. With respect to the above technical solution, although this solution realizes the collection of exhaust gas during soldering, it cannot fully cover the soldering position when soldering the circuit board, and it is easy to splash the tin liquid out, which poses a danger to the safety of the user and is inconvenient during use. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a PCB circuit board electronic component soldering rack to solve the problems raised in the above-mentioned background technology. The utility model has a novel structure. When in use, the movable box is movably installed on the base. The position of the solder is fully shielded by the movable box to avoid the danger caused by the splashing of tin liquid. In addition, the internal exhaust gas is concentrated through the box body, which is convenient for centralized filtering and discharge in the later stage.

[0005] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a PCB circuit board electronic component soldering rack, comprising a soldering rack body, the soldering rack body comprising a base, a box body movably mounted on the top of the base, a pushing mechanism and an exhaust cylinder fixedly mounted on the top of the box body, a movable cylinder movably mounted inside the exhaust cylinder, a support plate welded on the base, a movable plate movably mounted between the support plates, a fixing hole opened on the movable plate, one end of the pushing mechanism movably contacts the fixing hole, an observation window fixedly mounted on the side of the box body, and a switch fixedly mounted on the side of the base.

[0006] Furthermore, a heating box is movably installed between the base and the support plate, a slide groove is opened on the inner wall of the support plate, a support mechanism is fixedly installed inside the slide groove, and a slider is fixed at one end of the support mechanism.

[0007] Furthermore, one end of the sliding block is fixed on the movable plate, a fixed plate is welded to the bottom of the movable plate, and a power mechanism and an extrusion mechanism are fixedly mounted on the fixed plate.

[0008] Furthermore, a fixing ring is welded on the inner wall of the exhaust cylinder, one end of the movable cylinder is movably mounted on the fixing ring, a filter assembly is fixedly mounted inside the movable cylinder, fixing blocks are welded inside the exhaust cylinder, and an exhaust fan is fixedly mounted between the fixing blocks.

[0009] Furthermore, a heating column is fixedly installed on the base, an opening is opened at the bottom of the heating box, the heating column is movably installed inside the opening, a partition plate is fixedly installed inside the heating box, one end of the heating column is in contact with the partition plate, and a heating mechanism is fixedly installed inside the heating column.

[0010] Furthermore, a lifting mechanism is fixedly installed inside the movable plate, a mounting plate is fixed at one end of the lifting mechanism, a mounting groove is opened on the mounting plate, and a clamping plate is movably installed inside the mounting groove.

[0011] Furthermore, a displacement mechanism is fixedly mounted on one side of the mounting plate, one end of the displacement mechanism is fixed on the clamping plate, a connecting block is welded on the bottom of the mounting plate, and the connecting block cooperates with the clamping plate.

[0012] Furthermore, a fixed disk is fixedly mounted on the power mechanism, a rotating disk is rotatably mounted on one end of the extrusion mechanism, and a circuit board is movably mounted between the rotating disk and the fixed disk.

[0013] The beneficial effects of the utility model are as follows: the utility model is a PCB circuit board electronic component soldering rack, comprising a base; a box body; an observation window; a pushing mechanism; an exhaust cylinder; a movable cylinder; a switch; a fixing ring; a filter assembly; a fixing block; an exhaust fan; a support plate; a movable plate; a fixing hole; a fixing plate; a power mechanism; a heating box; a slide groove; a supporting mechanism; a slider; a lifting mechanism; a mounting plate; a mounting groove; a clamping plate; a displacement mechanism; a connecting block; a fixing disk; a squeezing mechanism; a rotating disk; a circuit board; a partition plate; an opening; and a heating column.

[0014] 1. This PCB circuit board electronic component soldering rack, when in use, the movable box is movably installed on the base, the movable box is used to fully shield the position of the solder to avoid the danger caused by the splashing of tin liquid, and the internal exhaust gas is concentrated through the box body, which is convenient for centralized filtering and discharge in the later stage.

[0015] 2. This is a PCB circuit board electronic component soldering rack. Later, the heating box is moved upward, and the opening is separated from the heating column. After separation, the heating box is taken out as a whole, which is convenient for cleaning and use of the residual waste inside.

[0016] 3. A PCB circuit board electronic component soldering rack, a power mechanism drives the circuit board to flip over for soldering, while flipping, the clamping plate and the connecting block cooperate to clamp the circuit board, and the circuit board is pushed downward during clamping, and the downward movement changes the contact position between the circuit board and the fixed plate, and the position without solder on the other side is completely exposed to avoid soldering dead corners. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of a PCB circuit board electronic component soldering rack of the utility model;

[0018] Figure 2 This is a schematic structural diagram of the cross section of an exhaust duct of a PCB circuit board electronic component soldering rack according to the utility model;

[0019] Figure 3 This is a structural schematic diagram of a support plate and a movable plate of a PCB circuit board electronic component soldering rack according to the utility model;

[0020] Figure 4 This is a side structural schematic diagram of a movable plate of a PCB circuit board electronic component soldering rack of the utility model;

[0021] Figure 5 This is a schematic diagram of the side view of the base structure of a PCB circuit board electronic component soldering rack of the utility model;

[0022] In the figure: 1. base; 2. box body; 3. observation window; 4. pushing mechanism; 5. exhaust cylinder; 6. movable cylinder; 7. switch; 8. fixing ring; 9. filter assembly; 10. fixing block; 11. exhaust fan; 12. support plate; 13. movable plate; 14. fixing hole; 15. fixing plate; 16. power mechanism; 17. heating box; 18. slide groove; 19. supporting mechanism; 20. slider; 21. lifting mechanism; 22. mounting plate; 23. mounting groove; 24. clamping plate; 25. displacement mechanism; 26. connecting block; 27. fixed disk; 28. squeezing mechanism; 29. ​​rotating disk; 30. circuit board; 31. partition plate; 32. opening; 33. heating column. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] See also Figures 1 to 5The utility model provides a technical solution: a PCB circuit board electronic component soldering rack, comprising a soldering rack body, the soldering rack body comprising a base 1, a box body 2 is movably installed on the top of the base 1, a pushing mechanism 4 and an exhaust tube 5 are fixedly installed on the top of the box body 2, the pushing mechanism 4 is an electric push rod, the electric push rod moves a movable plate 13 downward through a fixing hole 14, the movable plate 13 moves downward to move one side of the circuit board 30 into the interior of the heating box 17 to complete soldering, a movable tube 6 is movably installed inside the exhaust tube 5, a support plate 12 is welded on the base 1, a movable plate 13 is movably installed between the support plates 12, and an opening is provided on the movable plate 13 There is a fixing hole 14, one end of the pushing mechanism 4 is in movably contact with the fixing hole 14, an observation window 3 is fixedly installed on the side of the box body 2, a switch 7 is fixedly installed on the side of the base 1, a heating box 17 is movably installed between the base 1 and the support plate 12, a slide groove 18 is opened on the inner wall of the support plate 12, a supporting mechanism 19 is fixedly installed inside the slide groove 18, a slider 20 is fixed at one end of the supporting mechanism 19, the supporting mechanism 19 is a supporting spring, the supporting spring generates an upward thrust, and after the movable plate 13 loses the extrusion force in the later stage, the supporting mechanism 19 pushes the movable plate 13 upward to return to its position, and moves one side of the circuit board 30 out of the interior of the heating box 17.

[0025] In this embodiment, one end of the slider 20 is fixed on the movable plate 13, and a fixed plate 15 is welded to the bottom of the movable plate 13. A power mechanism 16 and an extrusion mechanism 28 are fixedly installed on the fixed plate 15. The power mechanism 16 is a DC motor, and the DC motor drives the circuit board 30 to rotate through the fixed disk 27, and the rotation changes the position of the solder of the circuit board 30. The extrusion mechanism 28 is an electric push rod, and the electric push rod pushes the rotating disk 29 to complete the clamping and fixing of the circuit board 30. A fixing ring 8 is welded on the inner wall of the exhaust cylinder 5, and one end of the movable cylinder 6 is movably installed on the fixing ring 8. A filter assembly 9 is fixedly installed inside the movable cylinder 6. The filter assembly 9 is a filter plate, and the filter plate is harmful substances in the exhaust gas. To filter and avoid the damage to the environment caused by the exhaust of harmful gases, a fixed block 10 is welded inside the exhaust tube 5, an exhaust fan 11 is fixedly installed between the fixed blocks 10, a heating column 33 is fixedly installed on the base 1, an opening 32 is opened at the bottom of the heating box 17, the heating column 33 is movably installed inside the opening 32, a partition plate 31 is fixedly installed inside the heating box 17, one end of the heating column 33 is in contact with the partition plate 31, a heating mechanism is fixedly installed inside the heating column 33, the heating mechanism is composed of an electric heating wire, the electric heating wire is fixedly installed inside the heating column 33, and later the electric heating wire is energized to generate heat energy to heat and melt the tin material on the partition plate 31.

[0026] In this embodiment, a lifting mechanism 21 is fixedly installed inside the movable plate 13, and a mounting plate 22 is fixed at one end of the lifting mechanism 21. A mounting groove 23 is opened on the mounting plate 22, and a clamping plate 24 is movably installed inside the mounting groove 23. A displacement mechanism 25 is fixedly installed on one side of the mounting plate 22, and one end of the displacement mechanism 25 is fixed on the clamping plate 24. The lifting mechanism 21 and the displacement mechanism 25 are both electric push rods. While the electric push rod clamps the circuit board 30, the circuit board 30 is pushed up and down by the lifting mechanism 21, and the contact position of the circuit board 30 with the fixed plate 27 is adjusted up and down. A connecting block 26 is welded at the bottom of the mounting plate 22, and the connecting block 26 cooperates with the clamping plate 24. A fixed disk 27 is fixedly installed on the force mechanism 16, and a rotating disk 29 is rotatably installed at one end of the extrusion mechanism 28. A circuit board 30 is movably installed between the rotating disk 29 and the fixed disk 27. When soldering is completed on one side of the circuit board 30, the power mechanism 16 drives the circuit board to rotate 180 degrees, and the position after soldering is moved between the clamping plate 24 and the connecting block 26. The displacement mechanism 25 pushes the clamping plate 24 to clamp the circuit board 30. After clamping, under the push of the lifting mechanism 21, the fixed disk 27 is brought into contact with the circuit board 30 after soldering. The circuit board 30 without soldering is exposed downward from the bottom of the fixed disk 27, which is convenient for the full soldering of the circuit board 30 in the later stage, avoiding the inconvenience caused by manual movement of the circuit board 30, and effectively improving the work efficiency.

[0027] The device provides the required electric energy for the electrical appliances inside the device through an external power supply. When using the device, first move the box body 2 upward and remove it. After the box body 2 is removed, place the tin material inside the heating box 17, place the circuit board 30 at the position of the fixed disk 27, start the extrusion mechanism 28 to push the rotating disk 29 to move, and the rotating disk 29 generates an extrusion force to squeeze the circuit board 30 between the fixed disk 27 and the rotating disk 29, start the heating column 33, and the heating column 33 directly transmits the generated heat from one end to the partition plate 31, and the heat on the partition plate 31 is heated. The tin material is quickly heated and melted. When the tin material is melted, the box body 2 is placed back on the base 1. One end of the pushing mechanism 4 enters into the interior of the fixing hole 14. While limiting the box body 2, the pushing mechanism 4 provides power for the movement of the movable plate 13. The pushing mechanism 4 is started to push the movable plate 13 downward. The slider 20 on the movable plate 13 moves inside the slide groove 18. When the slider 20 moves, it squeezes the supporting mechanism 19 and causes deformation. As the movable plate 13 moves, the side of the circuit board 30 exposed from between the fixed plates 15 enters into the tin hole 14. When soldering is completed inside the material, the exhaust fan 11 is started, and the exhaust fan 11 concentrates the exhaust gas inside the box 2 and discharges it from the exhaust pipe 5. The exhaust gas is filtered by the filter assembly 9 when it is discharged. After the filter assembly 9 has been used for a long time, the movable cylinder 6 is moved upward from the inside of the exhaust pipe 5 to facilitate the rapid disassembly and replacement of the filter assembly 9. When the soldering on one side of the circuit board 30 is completed, the power mechanism 16 drives the circuit board to rotate 180 degrees, and the position where the soldering is completed is brought between the clamping plate 24 and the connecting block 26, and the displacement mechanism 25 pushes The movable clamping plate 24 clamps the circuit board 30. After clamping, the fixed plate 27 is pushed by the lifting mechanism 21 to contact the circuit board 30 after soldering. The circuit board 30 without soldering is exposed downward from the bottom of the fixed plate 27, which is convenient for the subsequent full soldering of the circuit board 30, avoiding the inconvenience caused by manual movement of the circuit board 30, and effectively improving the work efficiency. After the soldering is completed, the heating box 17 is moved upward, and the opening 32 is separated from the heating column 33. After separation, the heating box 17 is taken out as a whole, which is convenient for cleaning and use of the residual waste inside.

[0028] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A PCB circuit board electronic component soldering rack, comprising a soldering rack body, characterized in that: The solder rack body comprises a base (1), a box body (2) is movably mounted on the top of the base (1), a driving mechanism (4) and an exhaust pipe (5) are fixedly mounted on the top of the box body (2), a movable pipe (6) is movably mounted inside the exhaust pipe (5), a support plate (12) is welded on the base (1), a movable plate (13) is movably mounted between the support plates (12), a fixing hole (14) is formed on the movable plate (13), one end of the driving mechanism (4) is movably in contact with the fixing hole (14), an observation window (3) is fixedly mounted on the side of the box body (2), and a switch (7) is fixedly mounted on the side of the base (1).

2. A PCB circuit board electronic component soldering rack according to claim 1, characterized in that: A heating box (17) is movably installed between the base (1) and the support plate (12); a slide groove (18) is provided on the inner wall of the support plate (12); a support mechanism (19) is fixedly installed inside the slide groove (18); and a slider (20) is fixed to one end of the support mechanism (19).

3. A PCB circuit board electronic component soldering rack according to claim 2, characterized in that: One end of the slider (20) is fixed on the movable plate (13), a fixed plate (15) is welded to the bottom of the movable plate (13), and a power mechanism (16) and an extrusion mechanism (28) are fixedly mounted on the fixed plate (15).

4. A PCB circuit board electronic component soldering rack according to claim 1, characterized in that: A fixing ring (8) is welded on the inner wall of the exhaust cylinder (5), one end of the movable cylinder (6) is movably mounted on the fixing ring (8), a filter assembly (9) is fixedly mounted inside the movable cylinder (6), a fixing block (10) is welded inside the exhaust cylinder (5), and an exhaust fan (11) is fixedly mounted between the fixing blocks (10).

5. A PCB circuit board electronic component soldering rack according to claim 2, characterized in that: A heating column (33) is fixedly mounted on the base (1); an opening (32) is formed at the bottom of the heating box (17); the heating column (33) is movably mounted inside the opening (32); a partition plate (31) is fixedly mounted inside the heating box (17); one end of the heating column (33) is in contact with the partition plate (31); and a heating mechanism is fixedly mounted inside the heating column (33).

6. A PCB circuit board electronic component soldering rack according to claim 1, characterized in that: A lifting mechanism (21) is fixedly installed inside the movable plate (13), a mounting plate (22) is fixed to one end of the lifting mechanism (21), a mounting groove (23) is formed on the mounting plate (22), and a clamping plate (24) is movably installed inside the mounting groove (23).

7. A PCB circuit board electronic component soldering rack according to claim 6, characterized in that: A displacement mechanism (25) is fixedly mounted on one side of the mounting plate (22), one end of the displacement mechanism (25) is fixed on the clamping plate (24), a connecting block (26) is welded on the bottom of the mounting plate (22), and the connecting block (26) cooperates with the clamping plate (24).

8. A PCB circuit board electronic component soldering rack according to claim 3, characterized in that: A fixed disk (27) is fixedly mounted on the power mechanism (16), a rotating disk (29) is rotatably mounted on one end of the extrusion mechanism (28), and a circuit board (30) is movably mounted between the rotating disk (29) and the fixed disk (27).

Citation Information

Patent Citations

  • Electronic element tin soldering frame for PCB production

    CN215898133U