PCBA board patch welding device

Abstract

The utility model discloses a kind of PCBA board patch welding devices, it is related to PCBA board patch welding tool technical field, including base, base inside is hollow, and base two sides are equipped with ventilation box, ventilation box is communicated with base inside, and ventilation mechanism is installed in ventilation box inside;The utility model is established by high pressure air gun, it is convenient to blow away the smoke generated in the welding process, to avoid the precise positioning of welding position affected by smoke;Again through the cooperation of hollow base and ventilation box, it is convenient to extract and discharge heat on workpiece from below, to avoid workpiece damage due to high temperature, improve workpiece pass rate;Again through the cooperation of first positioning rod and second positioning rod, it is convenient to use the contractility of spring to drive first positioning rod and second positioning rod to move, to position workpiece, improve welding accuracy;Finally solve the problem that existing device lacks ventilation mechanism, the positioning accuracy of generated smoke can be affected and lacks positioning mechanism.

Description

Technical Field

[0001] This utility model relates to the technical field of PCBA board surface mount soldering tools, and in particular to a PCBA board surface mount soldering device. Background Technology

[0002] In the field of electronic equipment manufacturing, the production of PCBA (Printed Circuit Board Assembly) boards is a crucial link. PCBA boards are used to assemble various electronic components onto printed circuit boards through processes such as surface mount soldering to form electronic components with specific functions. With the rapid development of electronic technology, electronic equipment is showing a trend of miniaturization, high performance, and multi-functionality, which puts forward higher requirements for the surface mount soldering technology of PCBA boards.

[0003] During the welding process, the workpiece generates high temperatures. Existing welding equipment lacks cooling components, leading to overheating and damage of the workpiece, which reduces the pass rate. Furthermore, existing welding equipment typically places the workpiece on a processing plate for welding. While this method is efficient, the workpiece positioning is inaccurate, causing deviations in the welding position during processing. In addition, welding generates a large amount of smoke, which also affects the precise positioning of the equipment. Therefore, these problems need to be addressed. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a PCBA board patch soldering device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a PCBA board surface mount welding device, comprising a base, the base being hollow inside, and ventilation boxes installed on both sides of the base, the ventilation boxes communicating with the interior of the base, and a ventilation mechanism installed inside the ventilation boxes, a first mounting groove being provided on the base, a positioning platform being installed in the first mounting groove, a positioning mechanism being installed inside the positioning platform, and a T-shaped first transmission box being installed at the rear end of the base, a moving mechanism being installed on the first transmission box, an mounting block being installed on the moving mechanism, and a welding mechanism being installed on the mounting block.

[0006] Preferably, the ventilation mechanism includes a second mounting groove extending through both sides of the base, in which a first motor and a fan blade are installed. The output end of the first motor is connected to the fan blade shaft via a coupling, and a ventilation opening is provided at the bottom of the ventilation box.

[0007] Preferably, the positioning mechanism includes a first positioning rod inserted into the two inner sides of the positioning platform, an L-shaped positioning seat installed in the middle of the first positioning rod, compression springs installed at the connection points between the two L-shaped positioning seats and the positioning platform at their far ends, and L-shaped second positioning rods inserted into both ends of the first positioning rod, a tension spring installed at the connection point between the second positioning rod and the first positioning rod, and mounting ears fixed to both sides of the positioning platform, with through slots opened on the near sides of the two mounting ears, the through slots connecting to the interior of the base.

[0008] Preferably, the moving mechanism includes a second motor mounted on one side of the top of the first transmission box, a first lead screw mounted on the output end of the second motor via a coupling, the first lead screw being rotatably mounted inside the upper part of the first transmission box, and a second transmission box being threadedly connected to the first lead screw. The second transmission box is laterally slidably connected to the first transmission box, and a third motor is mounted on the top of the second transmission box. A second lead screw is mounted on the output end of the third motor via a coupling, the second lead screw being rotatably mounted inside the second transmission box, and a mounting block being threadedly connected to the second lead screw. The rear end of the mounting block is placed inside the second transmission box and slides vertically.

[0009] Preferably, a fourth motor is installed on one side of the mounting block, a first bevel gear is installed at the output end of the fourth motor, a second bevel gear is meshed with the front end of the first bevel gear, and a rotating plate is connected to the front end of the second bevel gear.

[0010] Preferably, the welding mechanism includes a laser welding head and a high-pressure air gun mounted obliquely on the rotating plate, with the high-pressure air gun located at the lower end of the laser welding head.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: The high-pressure air gun facilitates the dispersion of fumes generated during welding, thus preventing fumes from affecting the precise positioning of the welding position; the hollow base and ventilation box work together to extract and discharge heat from the workpiece from below, preventing damage due to high temperatures and improving the pass rate of the workpiece; the cooperation of the first and second positioning rods allows the spring's contraction to move the first and second positioning rods, thereby positioning the workpiece and improving welding accuracy; ultimately, it solves the problems of existing devices lacking ventilation mechanisms, fumes affecting positioning accuracy, and lacking positioning mechanisms. Attached Figure Description

[0012] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0013] Figure 1This is a schematic diagram of the overall three-dimensional structure of the device proposed in this utility model;

[0014] Figure 2 This is a schematic diagram of the internal structure of the device proposed in this utility model;

[0015] Figure 3 This is a front view of the overall three-dimensional structure of the device proposed in this utility model;

[0016] Figure 4 This is a bottom view of the overall three-dimensional structure of the device proposed in this utility model;

[0017] Figure 5 The present utility model proposes Figure 2 Enlarged schematic diagram of the structure at part A in the middle.

[0018] The components in the diagram are numbered as follows: 1. Base; 2. Ventilation box; 3. Positioning platform; 4. First transmission box; 5. Mounting block; 6. First motor; 7. Fan blade; 8. First positioning rod; 9. Compression spring; 10. Tension spring; 11. Mounting ear; 12. Second transmission box; 13. Third motor; 14. First lead screw; 15. Second motor; 16. Fourth motor; 17. First bevel gear; 18. Second bevel gear; 19. Rotating plate; 20. Laser welding head; 21. High-pressure air gun; 22. Second positioning rod; 23. Second lead screw. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0020] Example: See Figure 1-5This utility model discloses a PCBA board surface mount welding device, comprising a base 1, which facilitates the installation of a ventilation box 2, a first transmission box 4, and a positioning table 3. The base 1 is hollow, and ventilation boxes 2 are installed on both sides of the base 1, facilitating the installation of a ventilation mechanism. The ventilation boxes 2 communicate with the interior of the base 1, and a ventilation mechanism is installed inside the ventilation boxes 2, which can prevent high-temperature damage to the processed parts. A first mounting groove is provided on the base 1, and a positioning table 3 is installed in the first mounting groove, facilitating the installation of a positioning mechanism. A positioning mechanism is installed inside the positioning table 3, and a T-shaped first transmission box 4 is installed at the rear end of the base 1, facilitating the installation of a second motor 15 and a first lead screw 14. A moving mechanism is installed on the first transmission box 4, and a mounting block 5 is installed on the moving mechanism, facilitating the installation of a welding mechanism. The welding mechanism is installed on the mounting block 5, and the ventilation mechanism includes a through-hole formed on both sides of the base 1. The second mounting slot houses the first motor 6 and the fan blade 7. The first motor 6 drives the fan blade 7 to rotate, and the fan blade 7 facilitates the extraction of heat from the workpiece. The output end of the first motor 6 is connected to the rotating shaft of the fan blade 7 via a coupling. A ventilation opening is provided at the bottom of the ventilation box 2. The positioning mechanism includes a first positioning rod 8 inserted into the two inner sides of the positioning platform 3. An L-shaped positioning seat is installed in the middle of the first positioning rod 8. Compression springs 9 are installed at the connection points between the two L-shaped positioning seats and the positioning platform 3. L-shaped second positioning rods 22 are inserted into both ends of the first positioning rod 8, facilitating the clamping of the workpiece. A tension spring 10 is installed at the connection point between the second positioning rod 22 and the first positioning rod 8, facilitating the positioning of the workpiece by the cooperation of the compression spring 9 and the tension spring 10. Mounting ears 11 are fixed to both sides of the positioning platform 3, facilitating the assembly and disassembly of the positioning platform 3.

[0021] In this utility model, two mounting ears 11 have through slots on their adjacent surfaces, which are connected to the interior of the base 1. The moving mechanism includes a second motor 15 mounted on one side of the top of the first transmission box 4, which facilitates the rotation of the first lead screw 14. The output end of the second motor 15 is connected to the first lead screw 14 via a coupling, which facilitates the movement of the second transmission box 12. The first lead screw 14 is rotatably mounted inside the upper part of the first transmission box 4, and the second transmission box 12 is threadedly connected to the first lead screw 14, which facilitates the installation of a third motor 13. The second transmission box 12 is laterally slidably connected to the first transmission box 4, and the third motor 13 is mounted on the top of the second transmission box 12, which facilitates the rotation of the second lead screw 23. The output end of the third motor 13 is connected to the second lead screw 23 via a coupling, which facilitates the rotation of the second lead screw 23. The second lead screw 23 facilitates the movement of the mounting block 5. The second lead screw 23 is rotatably installed inside the second transmission box 12. The mounting block 5 is threadedly connected to the second lead screw 23. The rear end of the mounting block 5 is placed inside the second transmission box 12 and slides vertically. A fourth motor 16 is installed on one side of the mounting block 5. The fourth motor 16 facilitates the rotation of the first bevel gear 17. The output end of the fourth motor 16 is equipped with the first bevel gear 17. The front end of the first bevel gear 17 meshes with the second bevel gear 18. Through the cooperation of the first bevel gear 17 and the second bevel gear 18, the rotating plate 19 is easily rotated. The front end of the second bevel gear 18 is connected to the rotating plate 19. The rotating plate 19 facilitates the installation of the laser welding head 20 and the high-pressure air gun 21. The welding mechanism includes the laser welding head 20 and the high-pressure air gun 21, which are obliquely installed on the rotating plate 19. The high-pressure air gun 21 is located at the lower end of the laser welding head 20.

[0022] Working Principle: When using this utility model, the workpiece is first placed into the positioning table 3, and the first positioning rod 8 and the second positioning rod 22 are opened to both sides. Then, the first positioning rod 8 and the second positioning rod 22 clamp and position the workpiece under the contraction of the compression spring 9 and the tension spring 10. At this time, the device is powered on, and the first motor 6, the second motor 15, the third motor 13 and the fourth motor 16 are turned on. The second motor 15 and the third motor 13 drive the first lead screw 14 and the second lead screw 23 to rotate respectively. The first lead screw 14 drives the second transmission box 12 to move on the X-axis, and the second lead screw 23 drives the rotating plate 19 to move on the Y-axis, thereby driving the laser welding head 20 to the welding position. Then, the laser welding head 20 and the high-pressure air gun 21 are turned on. The laser welding head 20 performs laser welding on the workpiece, while the high-pressure air gun 21 blows away the smoke to avoid affecting the positioning. At the same time, the first motor 6 drives the fan blade 7 to rotate, extracting and expelling the heat from the workpiece. After processing is completed, the workpiece is taken out and the power is turned off.

[0023] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A PCBA board surface mount soldering device, comprising a base (1), characterized in that: The base (1) is hollow inside, and ventilation boxes (2) are installed on both sides of the base (1). The ventilation boxes (2) are connected to the interior of the base (1), and a ventilation mechanism is installed inside the ventilation boxes (2). A first mounting groove is provided on the base (1), and a positioning platform (3) is installed in the first mounting groove. A positioning mechanism is installed inside the positioning platform (3). A T-shaped first transmission box (4) is installed at the rear end of the base (1). A moving mechanism is installed on the first transmission box (4), and a mounting block (5) is installed on the moving mechanism. A welding mechanism is installed on the mounting block (5).

2. The PCBA board surface mount soldering device according to claim 1, characterized in that: The ventilation mechanism includes a second mounting slot that runs through both sides of the base (1). A first motor (6) and a fan blade (7) are installed in the second mounting slot. The output end of the first motor (6) is connected to the rotating shaft of the fan blade (7) through a coupling. A ventilation opening is provided at the bottom of the ventilation box (2).

3. The PCBA board surface mount soldering device according to claim 1, characterized in that: The positioning mechanism includes a first positioning rod (8) inserted into the two inner sides of the positioning platform (3). An L-shaped positioning seat is installed in the middle of the first positioning rod (8). Compression springs (9) are installed at the connection points between the two L-shaped positioning seats and the positioning platform (3). L-shaped second positioning rods (22) are inserted into both ends of the first positioning rod (8). A tension spring (10) is installed at the connection point between the second positioning rod (22) and the first positioning rod (8). Mounting ears (11) are fixed on both sides of the positioning platform (3). Through grooves are opened on the close surfaces of the two mounting ears (11). The through grooves are connected to the inside of the base (1).

4. The PCBA board surface mount soldering device according to claim 1, characterized in that: The moving mechanism includes a second motor (15) installed on one side of the top of the first transmission box (4). The output end of the second motor (15) is connected to a first lead screw (14) via a coupling. The first lead screw (14) is rotatably installed inside the upper end of the first transmission box (4). The first lead screw (14) is threadedly connected to a second transmission box (12). The second transmission box (12) is laterally slidably connected to the first transmission box (4). The top of the second transmission box (12) is equipped with a third motor (13). The output end of the third motor (13) is connected to a second lead screw (23) via a coupling. The second lead screw (23) is rotatably installed inside the second transmission box (12). The mounting block (5) is threadedly connected to the second lead screw (23). The rear end of the mounting block (5) is placed inside the second transmission box (12) and slides vertically.

5. The PCBA board surface mount soldering device according to claim 1, characterized in that: A fourth motor (16) is installed on one side of the mounting block (5). A first bevel gear (17) is installed at the output end of the fourth motor (16). A second bevel gear (18) is meshed with the front end of the first bevel gear (17). A rotating plate (19) is connected to the front end of the second bevel gear (18).

6. The PCBA board surface mount soldering device according to claim 5, characterized in that: The welding mechanism includes a laser welding head (20) and a high-pressure air gun (21) mounted obliquely on a rotating plate (19), with the high-pressure air gun (21) located at the lower end of the laser welding head (20).

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