Smoke exhausting and ventilating device for soldering tin in circuit board welding

Abstract

The utility model relates to the technical field of circuit board welding, in particular to a circuit board soldering tin smoke exhausting and ventilating device which comprises a device body and a first motor, the outer wall of the device body is fixedly connected with the first motor, and an output shaft of the first motor is fixedly connected with the end of a reciprocating lead screw. The reciprocating lead screw is in threaded connection with a lead screw nut, and the interior of the lead screw nut is in sliding connection with a sliding rod. A second motor in the moving device drives a circular plate to rotate, the circular plate drives a cylinder to rotate, the cylinder drives a transverse plate to move, the transverse plate drives a sliding block to move, the sliding block slides in a hollow plate, the transverse plate drives a connecting column to move, and the connecting column drives a pipeline and an air suction port to move up and down, so that the range of smoke exhaust and ventilation is enlarged; when the smoke exhaust and ventilation device is arranged for smoke exhaust and ventilation of circuit board welding tin soldering, the air suction port is driven by the moving device to move in the vertical direction, so that the smoke exhaust and ventilation range is enlarged, and the practicability of the smoke exhaust and ventilation device for circuit board welding tin soldering is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board welding, in particular to a circuit board welding soldering tin smoke exhaust ventilation device. Background Art

[0002] A circuit board can be called a printed circuit board or a printed circuit board. When soldering a circuit board, the smoke generated during welding needs to be discharged through a smoke exhaust ventilation device.

[0003] For example, a circuit board welding solder smoke exhaust ventilation device with authorization announcement number CN217909579U includes a driving structure, an extraction structure is provided at the top of the driving structure, and a telescopic structure is provided on one side of the extraction structure. Although the above document can realize that the filtering structure can precipitate particles and high-temperature treat the gas generated in the welding smoke to produce sulfur dioxide and carbon dioxide, and finally the sulfur dioxide is treated by a desulfurization tower, thereby completing the purification of the welding smoke; however, when in use, the smoke exhaust ventilation device moves left and right through the air intake port during the process of exhausting and ventilating the circuit board welding solder smoke, and discharges the smoke produced when the circuit board is welded with solder. Since the air intake port can only move left and right, and cannot move up and down, the smoke exhaust ventilation range of the smoke exhaust ventilation device is relatively small, thereby reducing the practicality of the smoke exhaust ventilation device. Utility Model Content

[0004] The utility model aims to solve the problem of improving the practicability of the smoke exhaust ventilation device, and proposes a circuit board welding solder smoke exhaust ventilation device.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A circuit board welding solder fume exhaust and ventilation device is designed, comprising a device body and a first motor, the outer wall of the device body is fixedly connected to the first motor, the output shaft of the first motor is fixedly connected to the end of a reciprocating screw, the reciprocating screw is threadedly connected to a screw nut, the interior of the screw nut is slidably connected to a sliding rod, the sliding rod is fixedly connected to the interior of the device body, the outer wall of the screw nut is fixedly connected to a hollow plate, the outer wall of the hollow plate is fixedly connected to the outer wall of a connecting block, a moving device is provided inside the hollow plate, and a mounting device is provided outside the device body.

[0007] Preferably, the moving device includes a second motor and a circular plate, the second motor is fixedly connected to the inside of the hollow plate through a motor seat, the output shaft of the second motor is fixedly connected to the circular plate, the outer wall of the circular plate is fixedly connected to the cylinder, the cylinder is slidably connected to the inside of the cross plate, and the outer wall of the cross plate is fixedly connected to the slider.

[0008] Preferably, the sliding block is slidably connected to the inside of the hollow plate, and a connecting column is fixedly connected to the outer wall of the transverse plate.

[0009] Preferably, the connecting column is connected to a pipeline, the pipeline is connected to a connecting block, and the pipeline is connected to an air intake port.

[0010] Preferably, the mounting device comprises a turntable and a threaded column, the turntable is fixedly connected to the end of the threaded column, and the threaded column is threadedly connected to the concave column and the air inlet respectively.

[0011] Preferably, the recessed column is gap-matched with the filter screen, and the filter screen is gap-matched with the inner clearance of the air inlet.

[0012] The utility model proposes a circuit board welding solder smoke exhaust ventilation device, the beneficial effect is: the second motor in the moving device drives the circular plate to rotate, the circular plate drives the cylinder to rotate, the cylinder drives the horizontal plate to move, the horizontal plate drives the slider to move, the slider slides in the hollow plate, the horizontal plate drives the connecting column to move, the connecting column drives the pipe and the air intake port to move up and down, thereby increasing the range of smoke exhaust ventilation, and the smoke exhaust ventilation device is set to drive the air intake port to move up and down through the moving device when the circuit board welding solder smoke exhaust ventilation, so as to increase the smoke exhaust ventilation range, thereby improving the practicability of the circuit board welding solder smoke exhaust ventilation device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 for Figure 1 A schematic diagram of the front view structure of

[0015] Figure 3 for Figure 2 A schematic diagram of the front view structure of

[0016] Figure 4 for Figure 2 Schematic diagram of the top view of the hollow core slab;

[0017] Figure 5 for Figure 2 A schematic diagram of the structure of the mobile device;

[0018] Figure 6 for Figure 3 Schematic diagram of the structure of the installation device.

[0019] In the figure: 1. device body, 2. first motor, 3. reciprocating screw, 4. screw nut, 5. slide rod, 6. hollow plate, 7. moving device, 701. second motor, 702. circular plate, 703. cylinder, 704. horizontal plate, 705. slide block, 8. connecting column, 9. mounting device, 901. turntable, 902. threaded rod, 903. concave column, 10. filter screen, 11. air inlet, 12. connecting block, 13. pipeline. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings:

[0021] Embodiment 1:

[0022] See attached Figure 1-6 : In the present embodiment, a circuit board welding solder smoke exhaust ventilation device comprises a device body 1 and a first motor 2. The outer wall of the device body 1 is fixedly connected to the first motor 2. The model of the first motor 2 is selected according to actual needs and can meet the working requirements. The output shaft of the first motor 2 is fixedly connected to the end of the reciprocating screw 3. The first motor 2 drives the reciprocating screw 3 to rotate. The reciprocating screw 3 is threadedly connected to the screw nut 4. The reciprocating screw 3 drives the screw nut 4 to move. The interior of the screw nut 4 is slidably connected to the slide rod 5. The screw nut 4 slides in the slide rod 5. The slide rod 5 is fixedly connected to the interior of the device body 1. The outer wall of the screw nut 4 is fixedly connected to the hollow plate 6. The screw nut 4 drives the hollow plate 6 to move. The outer wall of the hollow plate 6 is fixedly connected to the outer wall of the connecting block 12. The interior of the hollow plate 6 is provided with a moving device 7. The exterior of the device body 1 is provided with an installation device The mounting device 9, the moving device 7 includes a second motor 701 and a circular plate 702. The model of the second motor 701 is selected according to actual needs and can meet the work requirements. The second motor 701 is fixedly connected to the inside of the hollow plate 6 through a motor seat. The output shaft of the second motor 701 is fixedly connected to the circular plate 702. The second motor 701 drives the circular plate 702 to rotate. The outer wall of the circular plate 702 is fixedly connected to the cylinder 703. The circular plate 702 drives the cylinder 703 to rotate. The cylinder 703 is slidably connected to the inside of the cross plate 704. The cylinder 703 drives the cross plate 704 to move. The outer wall of the cross plate 704 is fixedly connected to the slider 705. The cross plate 704 drives the slider 705 to move. The slider 705 is slidably connected to the inside of the hollow plate 6. The slider 705 slides in the hollow plate 6. The outer wall of the cross plate 704 is fixedly connected with a connecting column 8, and the cross plate 706 drives the connecting column 8 to move.

[0023] The second motor 701 in the moving device 7 drives the circular plate 702 to rotate, the circular plate 702 drives the cylinder 703 to rotate, the cylinder 703 drives the cross plate 704 to move, the cross plate 704 drives the slider 705 to move, the slider 705 slides in the hollow plate 6, the cross plate 706 drives the connecting column 8 to move, the connecting column 8 drives the pipe 13 and the air intake port 11 to move up and down to increase the range of smoke exhaust ventilation. When the smoke exhaust ventilation device is used for soldering solder on a circuit board, the mobile device 7 is used to drive the air intake port 11 to move up and down to increase the range of smoke exhaust ventilation, thereby improving the practicality of the smoke exhaust ventilation device.

[0024] See attached Figure 1-6 : In this embodiment, the connecting column 8 is connected to the pipe 13, and the connecting column 8 drives the pipe 13 and the air intake port 11 to move up and down to increase the range of smoke exhaust ventilation. The pipe 13 is connected to the connecting block 12, and the pipe 13 is connected to the air intake port 11. The installation device 9 includes a turntable 901 and a threaded column 902. The turntable 901 is fixed to the end of the threaded column 902, and the threaded column 902 is threadedly connected to the concave column 903 and the air intake port 11 respectively. The concave column 903 and the filter screen 10 are matched with the gap. The turntable 901 drives the threaded column 902 to rotate, and the threaded column 902 is rotated to the inside of the air intake port 11, and the filter screen 10 is installed in the air intake port 11 to prevent particulate impurities generated during welding from entering the pipe 13 through the air intake port 11 and blocking the pipe 13. The filter screen 10 is matched with the internal gap of the air intake port 11, and the staff inserts the filter screen 10 into the air intake port 11.

[0025] Working principle:

[0026] When the circuit board welding solder fume exhaust ventilation device is used, the staff first installs the device body 1 on the external welding machine, inserts the filter 10 into the air inlet 11, and fixes it by rotating the installation device 9. When the circuit board is soldered with solder, the pipeline 13 is connected to the external gas collecting tank, and the first motor 2 is connected to the external power supply. The first motor 2 drives the reciprocating screw 3 to rotate, and the reciprocating screw 3 drives the screw nut 4 to move. The screw nut 4 slides in the slide bar 5, and the screw nut 4 drives the hollow plate 6 to move, and the moving device 7 is started, thereby driving the air inlet 11 to move up, down, left and right, and exhausting and ventilating the smoke generated when the circuit board is soldered with solder. The specific moving process and installation process are as follows:

[0027] 1. Moving process:

[0028] The second motor 701 is connected to an external power supply, the second motor 701 drives the circular plate 702 to rotate, the circular plate 702 drives the cylinder 703 to rotate, the cylinder 703 drives the horizontal plate 704 to move, the horizontal plate 704 drives the slider 705 to move, the slider 705 slides in the hollow plate 6, the horizontal plate 706 drives the connecting column 8 to move, the connecting column 8 drives the pipe 13 and the air inlet 11 to move up and down to increase the range of smoke exhaust ventilation. After completion, the second motor 701 is stopped;

[0029] 2. Installation process:

[0030] The staff inserts the concave column 903 into the filter 10, and rotates the turntable 901, which drives the threaded column 902 to rotate, and rotates the threaded column 902 to the inside of the air intake port 11, and installs the filter 10 into the air intake port 11 to prevent particulate impurities generated during welding from entering the pipe 13 through the air intake port 11 and blocking the pipe 13.

[0031] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A circuit board soldering solder fume exhaust ventilation device, comprising a device body (1) and a first motor (2), wherein the outer wall of the device body (1) is fixedly connected to the first motor (2), and characterized in that: The output shaft of the first motor (2) is fixedly connected to the end of the reciprocating screw (3), the reciprocating screw (3) is threadedly connected to the screw nut (4), the interior of the screw nut (4) is slidably connected to the slide bar (5), the slide bar (5) is fixedly connected to the interior of the device body (1), the outer wall of the screw nut (4) is fixedly connected to the hollow plate (6), the outer wall of the hollow plate (6) is fixedly connected to the outer wall of the connecting block (12), a moving device (7) is provided inside the hollow plate (6), and the device A mounting device (9) is provided on the outside of the body (1), and the moving device (7) comprises a second motor (701) and a circular plate (702), wherein the second motor (701) is fixedly connected to the inside of the hollow plate (6) via a motor seat, the output shaft of the second motor (701) is fixedly connected to the circular plate (702), the outer wall of the circular plate (702) is fixedly connected to a cylinder (703), the cylinder (703) is slidably connected to the inside of a transverse plate (704), and the outer wall of the transverse plate (704) is fixedly connected to a slider (705).

2. A circuit board soldering solder fume exhaust ventilation device according to claim 1, characterized in that: The sliding block (705) is slidably connected to the inside of the hollow plate (6), and a connecting column (8) is fixedly connected to the outer wall of the transverse plate (704).

3. A circuit board soldering solder fume exhaust ventilation device according to claim 2, characterized in that: The connecting column (8) is connected to a pipeline (13), the pipeline (13) is connected to a connecting block (12), and the pipeline (13) is connected to an air intake port (11).

4. A circuit board soldering solder fume exhaust ventilation device according to claim 3, characterized in that: The mounting device (9) comprises a rotating disk (901) and a threaded column (902), wherein the rotating disk (901) is fixedly connected to the end of the threaded column (902), and the threaded column (902) is threadedly connected to the concave column (903) and the air inlet (11) respectively.

5. A circuit board soldering solder fume exhaust ventilation device according to claim 4, characterized in that: The concave column (903) is clearance-matched with the filter screen (10), and the filter screen (10) is clearance-matched with the inner portion of the air inlet (11).

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