A tunnel-type nitrogen-filled lead-free wave soldering machine

By introducing an anti-drop component into a tunnel-type nitrogen-filled lead-free wave soldering machine, and using sensors to drive sliders and placement plates to protect electronic boards, the problem of falling during transmission is solved, and safe transmission of electronic boards is achieved.

CN224273608UActive Publication Date: 2026-05-26ZHUHAI XINCHUANG PRECISION MFG CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHUHAI XINCHUANG PRECISION MFG CO LTD
Filing Date
2025-04-30
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

In existing tunnel-type nitrogen-filled lead-free wave soldering machines, electronic boards are easily damaged during transmission due to contact with gaps in the transmission chain.

Method used

An anti-fall component was designed, including a guide rail, a slider, a fixing rod, a support rod, a placement plate, and a sensor. The sensor senses the electronic board and drives the slider to move on the guide rail, causing the placement plate to move along with the electronic board to prevent it from falling.

Benefits of technology

This effectively prevents electronic boards from falling out of gaps in the transmission chain during transmission, avoiding damage and improving the safety and reliability of the equipment.

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Abstract

This utility model discloses a tunnel-type nitrogen-filled lead-free wave soldering machine, comprising: a soldering machine assembly, which includes a machine body, a fixed plate, and a transmission chain; and an anti-drop assembly, which includes a guide rail, a slider, a fixed rod, a support rod, a placement plate, and a sensor. The guide rail is fixed to both sides below the input port of the machine body and located below the fixed plate. The slider is slidably connected to the surface of the guide rail. The fixed rod is fixed between opposite ends of the slider. The support rod is fixed to both sides of the top of the fixed rod. The placement plate is inserted into the top of the support rod, and the sensor is embedded in the center of the top of the placement plate. This utility model, by setting up the anti-drop assembly, can provide auxiliary protection for the electronic board during transmission. Furthermore, because the placement plate is larger than the electronic board, when the electronic board is impacted, it will rotate on the placement plate, thereby preventing the electronic board from falling through the gaps in the transmission chain and avoiding damage to the electronic board.
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Description

Technical Field

[0001] This utility model relates to the field of welding machine technology, and in particular to a tunnel-type full-process nitrogen-filled lead-free wave soldering machine. Background Technology

[0002] A welding machine is a device used for welding. It uses electrical energy to bring the welding materials (such as welding rods, welding wires, etc.) and the workpiece to a high temperature in a localized area, thereby achieving the connection of the workpiece. This includes tunnel-type full-process nitrogen-filled lead-free wave soldering machines, which can be used to weld electronic components.

[0003] In existing tunnel-type nitrogen-filled lead-free wave soldering machines, electronic boards are placed on conveyor chains on both sides of the input port. The conveyor belts move the electronic boards into the soldering machine, where they are processed. However, since the electronic boards are placed directly on the conveyor chains, if someone accidentally touches them, they can fall through the gaps in the conveyor chains, causing damage. Therefore, a lead-free wave soldering machine that prevents these boards from falling is needed. Utility Model Content

[0004] The purpose of this invention is to at least solve one of the technical problems existing in the prior art. To this end, this invention proposes a tunnel-type full-process nitrogen-filled lead-free wave soldering machine, which can provide auxiliary protection for electronic boards during transmission, preventing the electronic boards from falling from the gaps between the transmission chains and avoiding damage to the electronic boards.

[0005] A tunnel-type full-process nitrogen-filled lead-free wave soldering machine according to an embodiment of the present invention includes:

[0006] A welding machine assembly, comprising a body, a fixing plate, and a transmission chain; the fixing plate is fixed to both ends of the inner side of the input port of the body, and the transmission chain is located in the groove below the opposite end of the fixing plate;

[0007] The anti-fall component includes a guide rail, a slider, a fixed rod, a support rod, a placement plate, and a sensor. The guide rail is fixed to both sides below the input port of the machine body and located below the fixed plate. The slider is slidably connected to the surface of the guide rail. The fixed rod is fixed between the opposite ends of the slider. The support rod is fixed to both sides of the top of the fixed rod. The placement plate is inserted into the top of the support rod. The sensor is embedded in the center of the top of the placement plate.

[0008] According to some embodiments of this utility model, a limiting plate is fixedly connected to the outer end of the guide rail, and a power block is fixedly connected to the outer end of the limiting plate. The power block is electrically connected to the slider.

[0009] According to some embodiments of this utility model, an auxiliary rod is fixedly connected to the opposite end of the slider, and a slot is provided below the opposite end of the fixing plate.

[0010] According to some embodiments of this utility model, a movable block is slidably connected to the inner side of the slot, and the outer end of the movable block is fixedly connected to one end of the auxiliary rod above.

[0011] According to some embodiments of the present invention, the welding machine assembly further includes an operation screen and a connecting pipe; the operation screen is fixed above one side of the machine body, and the connecting pipe is fixed to one side of the top of the machine body.

[0012] According to some embodiments of the present invention, a limiting component is also included;

[0013] The limiting component includes a limiting hole, a connecting block, and a friction block; the limiting hole is opened on both sides of the outer side of the fixed rod, the connecting blocks are arranged in a set, all located between the inner sides of the fixed end of the guide rail, and are fixedly connected to the machine body, and the friction block is located above the connecting blocks and is fixedly connected to the machine body.

[0014] According to some embodiments of this utility model, the friction block is engaged with the inner side of the support rod, and a limiting groove is formed on the outer side of the connecting block.

[0015] According to some embodiments of this utility model, the limiting groove corresponds to the limiting hole, and a limiting rod is threadedly connected between the inner sides of the two.

[0016] The wave soldering machine of this utility model embodiment has at least the following beneficial effects:

[0017] By incorporating anti-drop components, the electronic board is placed on top of the placement plate, with its sides positioned above the conveyor chain. When the sensor detects the electronic board, the conveyor chain transports it, causing the slider to move along the guide rail surface. This slider, via the fixed rod and support rod, moves the placement plate along with the electronic board, thus providing auxiliary protection for the electronic board during transport. Additionally, because the placement plate is larger than the electronic board, it will rotate on the placement plate upon impact, preventing the electronic board from falling through the gaps in the conveyor chain and avoiding damage. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the external structure of an embodiment of the present utility model;

[0020] Figure 2 This is a schematic diagram of the anti-fall component structure according to an embodiment of the present utility model;

[0021] Figure 3 This is an exploded view of the anti-fall component according to an embodiment of the present invention;

[0022] Figure 4 This is an exploded view of the limiting rod and connecting block according to an embodiment of the present utility model;

[0023] Figure 5 This is a schematic diagram of the limiting component in use according to an embodiment of the present utility model.

[0024] The attached diagram lists the components represented by each number as follows:

[0025] 11. Body; 12. Fixing plate; 13. Conveyor chain; 14. Operation panel; 15. Connecting pipe; 21. Guide rail; 22. Slider; 23. Fixing rod; 24. Support rod; 25. Placement plate; 26. Sensor; 27. Limiting plate; 28. Power supply block; 29. ​​Auxiliary rod; 291. Slot; 292. Moving block; 31. Limiting hole; 32. Connecting block; 33. Friction block; 34. Limiting groove; 35. Limiting rod. Detailed Implementation

[0026] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0027] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0029] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0030] Please see Figures 1-3 As shown, this utility model is a tunnel-type nitrogen-filled lead-free wave soldering machine, comprising:

[0031] The welding machine assembly includes a body 11, a fixing plate 12, and a transmission chain 13; the fixing plate 12 is fixed to both ends of the inner side of the input port of the body 11, and the transmission chain 13 is located in the groove below the opposite end of the fixing plate 12.

[0032] The welding machine assembly also includes an operation screen 14 and a connecting pipe 15; the operation screen 14 is fixed above one side of the machine body 11, and the connecting pipe 15 is fixed to one side of the top of the machine body 11.

[0033] The body 11 is used for the outer surface, the fixed plate 12 is used for the connection and rotation of the transmission chain 13, the transmission chain 13 is used for the transmission of electronic boards, the operation screen 14 is used for controlling the internal movement of the body 11, and the connecting pipe 15 is used for connecting the body to other pipes in the outside.

[0034] The anti-fall component includes a guide rail 21, a slider 22, a fixing rod 23, a support rod 24, a placement plate 25, and a sensor 26. The guide rail 21 is fixed to both sides below the input port of the machine body 11 and is located below the fixing plate 12. The slider 22 is slidably connected to the surface of the guide rail 21. The fixing rod 23 is fixed between the opposite ends of the slider 22. The support rod 24 is fixed to both sides of the top of the fixing rod 23. The placement plate 25 is inserted into the top of the support rod 24. The sensor 26 is embedded in the center of the top of the placement plate 25.

[0035] The guide rail 21 is used for connecting and moving the slider 22. The slider 22 is used for connecting the fixed rod 23. The fixed rod 23 is used for connecting the support rod 24. The support rod 24 is used for inserting the placement plate 25. The placement plate 25 is used for placing the electronic board. The sensor 26 is used to sense the electronic board, so that the slider 22 moves synchronously with the electronic board during transmission. The sensor 26 is model E3F3-T11.

[0036] A limiting plate 27 is fixedly connected to the outer end of the guide rail 21, and a power block 28 is fixedly connected to the outer end of the limiting plate 27. The power block 28 is electrically connected to the slider 22.

[0037] An auxiliary rod 29 is fixedly connected to the opposite end of the slider 22, and a slot 291 is provided below the opposite end of the fixing plate 12.

[0038] A movable block 292 is slidably connected to the inner side of the slot 291, and the outer end of the movable block 292 is fixedly connected to one end of the upper part of the auxiliary rod 29.

[0039] The limiting plate 27 is used to limit the slider 22. The power block 28 provides power for the movement of the slider 22. The slider 22 moves on the guide rail 21 through the power supply. The auxiliary rod 29 is used to connect the slider 22 and the moving block 292. The slot 291 is used for the connection and movement of the moving block 292. The moving block 292 and the auxiliary rod 29 are used to provide auxiliary support for the guide rail 21. The auxiliary rod 29 can provide auxiliary support for the guide rail 21 while the slider 22 is moving.

[0040] Working principle: When the component is not in use, the slider 22 is located at the outer end of the guide rail 21. When the component is in use, hold the electronic board by hand and place it on the placement plate 25 so that the sides of the electronic board are placed on the transmission chain 13. Then the machine body 11 is started, the transmission chain 13 transmits the electronic board, and the sensor 26 senses the electronic board, so that the slider 22 moves on the surface of the guide rail 21 through the power supplied by the power block 28. The slider 22 drives the moving block 292 to move in the slot 291 through the auxiliary rod 29. This causes the slider 22 to drive the placement plate 25 to move together with the electronic board through the fixed rod 23 and the support rod 24, thereby providing auxiliary protection for the electronic board during transmission, preventing the electronic board from falling from the gap between the transmission chains 13 and avoiding damage to the electronic board.

[0041] Please see Figure 1 , Figures 3-5 As shown, this embodiment, based on the above embodiment, further includes:

[0042] Limiting components;

[0043] The limiting component includes a limiting hole 31, a connecting block 32, and a friction block 33. The limiting hole 31 is opened on both sides of the outer side of the fixed rod 23. The connecting blocks 32 are arranged in a group, all located between the inner sides of the fixed end of the guide rail 21, and are fixedly connected to the body 11. The friction block 33 is located above the connecting blocks 32 and is fixedly connected to the body 11.

[0044] The limiting hole 31 is used for the insertion and rotation of the limiting rod 35, the connecting block 32 is used for the opening of the limiting groove 34, and the friction block 33 is used to increase the friction of the support rod 24 so that the support rod 24 and the friction block 33 are firmly engaged.

[0045] The friction block 33 is engaged with the inner side of the support rod 24, and a limit groove 34 is provided on the outer side of the connecting block 32;

[0046] The limiting groove 34 corresponds to the limiting hole 31, and the inner sides of the two are threadedly connected to the limiting rod 35;

[0047] The limiting groove 34 is used for the insertion and rotation of the limiting rod 35. The limiting rod 35 limits the fixed rod 23 when it is in contact with the connecting block 32, thereby limiting the fixed rod 23 and the placement plate 25 when idle, preventing the slider 22 from moving due to unexpected conditions. When the slider 22 drives the fixed rod 23 to be in contact with the connecting block 32, the limiting groove 34 and the limiting hole 31 are aligned. The limiting rod 35 is rotated and inserted into the limiting groove 34 and the limiting hole 31, thereby limiting the slider 22 when idle.

[0048] Working principle: When the component is not in use, the fixed rod 23 is away from the connecting block 32, and the slider 22 is located at the outer end of the guide rail 21. When the component is in use, the slider 22 moves above the guide rail 21 through the power block 28, causing the fixed rod 23 to move towards the connecting block 32. When the slider 22 drives the fixed rod 23 to fit against the connecting block 32, the limiting groove 34 is aligned with the limiting hole 31, and the friction block 33 is engaged with the inner side of the support rod 24. Hold the limiting rod 35 by hand, insert the limiting rod 35 into the limiting hole 31, and rotate the limiting rod 35 so that the limiting rod 35 is firmly connected to the limiting hole 31 and the inner side of the limiting groove 34 through the thread, thereby limiting the slider 22 when it is idle.

[0049] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A tunnel type full course nitrogen filled lead-free wave soldering machine, characterized in that, include: The welding machine assembly includes a body (11), a fixing plate (12), and a transmission chain (13); the fixing plate (12) is fixed to both ends of the inner side of the input port of the body (11), and the transmission chain (13) is located in the groove below the opposite end of the fixing plate (12); The anti-fall component includes a guide rail (21), a slider (22), a fixing rod (23), a support rod (24), a placement plate (25), and a sensor (26). The guide rail (21) is fixed on both sides below the input port of the machine body (11) and located below the fixing plate (12). The slider (22) is slidably connected to the surface of the guide rail (21). The fixing rod (23) is fixed between the opposite ends of the slider (22). The support rod (24) is fixed on both sides of the top of the fixing rod (23). The placement plate (25) is inserted into the top of the support rod (24). The sensor (26) is embedded in the center of the top of the placement plate (25).

2. The tunnel type full range nitrogen filled lead-free wave soldering machine according to claim 1, characterized in that: The guide rail (21) is fixedly connected to a limiting plate (27) at its outer end, and a power block (28) is fixedly connected to the outer end of the limiting plate (27). The power block (28) is electrically connected to the slider (22).

3. The tunnel type full range nitrogen filled lead-free wave soldering machine according to claim 1, characterized in that: An auxiliary rod (29) is fixedly connected to the opposite end of the slider (22), and a slot (291) is provided below the opposite end of the fixing plate (12).

4. A tunnel-type full-process nitrogen-filled lead-free wave soldering machine according to claim 3, characterized in that: The inner side of the slot (291) is slidably connected to a movable block (292), and the outer end of the movable block (292) is fixedly connected to one end of the auxiliary rod (29).

5. A tunnel-type full-process nitrogen-filled lead-free wave soldering machine according to claim 1, characterized in that: The welding machine assembly also includes an operation screen (14) and a connecting pipe (15); the operation screen (14) is fixed above one side of the machine body (11), and the connecting pipe (15) is fixed to one side of the top of the machine body (11).

6. A tunnel-type full-process nitrogen-filled lead-free wave soldering machine according to claim 1, characterized in that: It also includes limit components; The limiting component includes a limiting hole (31), a connecting block (32), and a friction block (33). The limiting hole (31) is opened on both sides of the outer side of the fixed rod (23). The connecting blocks (32) are arranged in a group, all located between the inner sides of the fixed end of the guide rail (21) and fixedly connected to the body (11). The friction block (33) is located above the connecting blocks (32) and fixedly connected to the body (11).

7. A tunnel-type full-process nitrogen-filled lead-free wave soldering machine according to claim 6, characterized in that: The friction block (33) is engaged with the inner side of the support rod (24), and a limit groove (34) is provided on the outer side of the connecting block (32).

8. A tunnel-type full-process nitrogen-filled lead-free wave soldering machine according to claim 7, characterized in that: The limiting groove (34) corresponds to the limiting hole (31), and a limiting rod (35) is threadedly connected between the inner sides of the two.