Flexible printed circuit (FPC) turnover welding device

Abstract

The utility model belongs to the technical field of welding, and particularly relates to an FPC (flexible printed circuit) flexible board overturning and welding device which comprises a driving motor, a driving gear mounted at the output end of the driving motor, a rotating shaft rotatably mounted in a mounting plate, a driven gear mounted on the outer wall of the rotating shaft, a connecting rod mounted on one side of the rotating shaft, and a groove formed in one end of the connecting rod. The flexible plate needs to be turned over, the driving motor drives the driving gear to rotate, then the driven gear and the rotating shaft rotate, the connecting rod rotates along with the driven gear, the movable rod slides in the arc-shaped groove, at the moment, the spring is stretched, and the flexible plate is driven to rotate. And when one end of the movable rod penetrates through the through hole, the spring is reset, the electrode is separated from the electric sheet, and the control panel closes the driving motor, so that the flexible board can be overturned conveniently, the front and back surfaces of the flexible board can be welded conveniently, and the processing efficiency of the flexible board can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to an FPC soft board flip welding device. Background Art

[0002] FPC is a flexible circuit board, also known as a flexible printed circuit board. It is composed of an insulating substrate, copper foil, adhesive and a covering layer. When processing it, a welding device is required to connect the components on the FPC with other electronic components or circuit boards.

[0003] A Chinese patent with announcement number CN116967607A discloses a welding and forming device for a hard board PCB and a flexible board FPC, including a shell, the bottom of which is open, an electric cylinder is fixedly connected to the top inner wall of the shell, the output shaft of the electric cylinder is rotatably connected to a laser welding gun, and two hot air guns are also arranged at the bottom opening of the shell, and the two hot air guns are symmetrically arranged on both sides of the laser welding gun; an air intake pipe is penetrated and fixedly connected to the side of the box close to the laser welding gun; the hot air gun is used to blow air at the connection between the hard board PCB and the flexible board FPC, so that the smoke generated by the welding can leave the weld position, avoid blocking the laser and reducing the energy of the laser reaching the hard board PCB and the flexible board FPC, thereby reducing the possibility of various defects in the weld.

[0004] However, the above-mentioned hard board PCB and flexible soft board FPC welding forming device still has some problems. In practical applications, when welding the FPC soft board, it is sometimes necessary to weld both the front and back sides of the soft board. However, in the prior art, it is not convenient to adjust the angle of the soft board, which affects the effect and efficiency of the soft board processing. Therefore, a FPC soft board flip welding device is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the problems raised in the background technology, the utility model proposes an FPC soft board flip welding device.

[0006] The technical solution adopted by the utility model to solve the technical problem is as follows: the utility model discloses an FPC soft board flip welding device, comprising a main board, two mounting plates are symmetrically mounted on the top side of the main board, a support seat is mounted on one side of one mounting plate, a driving motor is mounted inside the support seat, a driving gear is mounted on the output end of the driving motor, a rotating shaft is rotatably mounted inside the top end of the mounting plate, a driven gear is mounted on the outer wall of one of the rotating shafts, and the driving gear and the driven gear are meshed with each other, a connecting rod is mounted on one side of one of the rotating shafts, a groove is opened inside one end of the connecting rod, an electrode is assembled on one side of the groove, a movable rod is slidably mounted inside the groove, an electric sheet is mounted on one side of the movable rod, a spring is fixedly connected between the electric sheet and the groove, the spring is sleeved on the outer wall of the movable rod, an arc groove is opened inside the mounting plate, one end of the movable rod is slidably mounted inside the arc groove, through holes are opened at both ends of the arc groove, so that the soft board can be flipped to 180 degrees, so that welding operations can be performed on both sides of the soft board, thereby improving the processing efficiency of the soft board.

[0007] Preferably, two slide grooves are symmetrically opened inside the top side of the main board, and the inside of the slide grooves are respectively fixedly connected with a guide rod and a reciprocating screw rod rotatably connected, a reciprocating motor is installed on one side of the main board, one end of the reciprocating screw rod is cooperatively connected with the output end of the reciprocating motor, and a fixing frame is movably installed on the outer wall of the guide rod and the reciprocating screw rod, and the fixing frame is slidably installed inside the slide groove to facilitate driving the welding assembly to move horizontally.

[0008] Preferably, a threaded rod is rotatably installed between the two sides of the top of the fixing frame, a No. 1 motor is installed on one side of the fixing frame, one end of the threaded rod is cooperatively connected with the output end of the No. 1 motor, a slide rail is provided inside the top of the fixing frame, a sliding block is slidably installed inside the slide rail, and one end of the sliding block is threadedly engaged with the outer wall of the threaded rod to facilitate driving the welding assembly to move longitudinally.

[0009] Preferably, a telescopic rod is installed on the bottom side of the sliding block, and the active end of the telescopic rod is equipped with a laser welding gun, which can adjust the height of the welding assembly, thereby enabling welding operations to be performed on the soft board.

[0010] Preferably, an L-shaped plate is fixedly connected to one end of the rotating shaft, a cavity is opened inside the L-shaped plate, a suction cup is connected to the cavity passing through the inside of the L-shaped plate, a vacuum pump is installed on the bottom side of the cavity, an air intake pipe is connected to one side of the cavity, a valve is installed inside the air intake pipe, which can fix the soft board to be welded to avoid movement during processing.

[0011] Preferably, a control panel is installed on one side of the mounting plate, and the control panel is electrically connected to the electrode sheet and the drive motor, wherein the control panel is used for signal transmission between the electrode and the sheet, and for operation control of the drive motor, thereby improving the accuracy of soft board processing.

[0012] The utility model is beneficial in that:

[0013] 1. The utility model enables the driving motor to drive the active gear to rotate, thereby rotating the driven gear and the rotating shaft, and the connecting rod will also rotate, and the movable rod will slide in the arc groove. At this time, the spring is stretched, and the electrode and the electric sheet are in contact. When the movable rod slides to one end of the arc groove, one end of the movable rod passes through the through hole, the spring is reset, the electrode and the electric sheet are separated, and the control panel turns off the driving motor, thereby completing the flipping action, which is convenient for flipping the soft board to a certain degree, so as to facilitate welding operations on both the front and back sides of the soft board, thereby improving the processing efficiency of the soft board;

[0014] 2. When the soft board needs to be fixed, the utility model places the soft board to be processed on the top side of the suction cup, and generates negative pressure through the operation of the vacuum pump to extract the air inside the cavity to fix the soft board. When the object needs to be released, the valve can be controlled to open to allow air to enter the cavity, so that the air pressure inside the suction cup returns to normal, thereby losing the adsorption force and the object can be easily removed, thereby achieving the fixation of the soft board to be welded and avoiding its movement during processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 This is a schematic diagram of the main structure of the welding device in the utility model;

[0017] Figure 2 It is a schematic diagram of the flip component structure;

[0018] Figure 3 Schematic diagram of the internal structure of the connecting rod;

[0019] Figure 4 It is a schematic diagram of the structure of the longitudinal adjustment component;

[0020] Figure 5 It is a schematic diagram of the fixed component structure.

[0021] In the figure: 1. main board; 2. mounting plate; 3. support seat; 4. driving motor; 5. driving gear; 6. rotating shaft; 7. driven gear; 8. connecting rod; 9. groove; 10. electrode; 11. electric sheet; 12. movable rod; 13. spring; 14. arc groove; 15. through hole; 16. slide groove; 17. guide rod; 18. reciprocating screw rod; 19. reciprocating motor; 20. fixing frame; 21. threaded rod; 22. No. 1 motor; 23. slide rail; 24. sliding block; 25. telescopic rod; 26. laser welding gun; 27. L-shaped plate; 28. cavity; 29. ​​suction cup; 30. vacuum pump; 31. air inlet pipe; 32. valve; 33. control panel. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-3 As shown, an FPC soft board flip welding device comprises a mainboard 1, two mounting plates 2 are symmetrically mounted on the top side of the mainboard 1, a support seat 3 is mounted on one side of one mounting plate 2, a driving motor 4 is mounted inside the supporting seat 3, a driving gear 5 is mounted on the output end of the driving motor 4, a rotating shaft 6 is rotatably mounted inside the top of the mounting plate 2, a driven gear 7 is mounted on the outer wall of one of the rotating shafts 6, and the driving gear 5 and the driven gear 7 are meshed with each other, a connecting rod 8 is mounted on one side of one of the rotating shafts 6, a groove 9 is opened inside one end of the connecting rod 8, an electrode 10 is assembled on one side of the groove 9, a movable rod 12 is slidably mounted inside the groove 9, an electric sheet 11 is mounted on one side of the movable rod 12, a spring 13 is fixedly connected between the electric sheet 11 and the groove 9, and the spring 13 is sleeved on the outer wall of the movable rod 12, an arc groove 14 is opened inside the mounting plate 2, one end of the movable rod 12 is slidably mounted inside the arc groove 14, and through holes 15 are opened at both ends of the arc groove 14;

[0024] A control panel 33 is installed on one side of the mounting plate 2, and the control panel 33 is electrically connected to the electrode 10, the electric sheet 11 and the driving motor 4, wherein the control panel 33 is used for signal transmission between the electrode 10 and the electric sheet 11, and for operating and controlling the driving motor 4; during operation, in actual applications, when welding the FPC soft board, it is sometimes necessary to weld both the front and back sides of the soft board, but in the prior art, it is not convenient to adjust the angle of the soft board, which affects the effect and efficiency of the soft board processing. When the FPC soft board needs to be flipped 4, the driving motor 4 drives the driving gear 5 to rotate, thereby rotating the driven gear 7 and the rotating shaft 6. As the rotating shaft 6 rotates, the connecting rod 8 will also rotate. During the rotation of the connecting rod 8, the movable rod 12 will Sliding in the arc groove 14, the spring 13 is stretched at this time, and the electrode 10 is in contact with the electric sheet 11. When the movable rod 12 slides to one end of the arc groove 14, one end of the movable rod 12 passes through the through hole 15, the spring 13 is reset, the electrode 10 is separated from the electric sheet 11, and the signal is transmitted to the control panel 33, the control panel 33 turns off the drive motor 4, thereby completing the flipping action. When the next flip is required, the movable rod 12 is pushed to the inside of the groove 9, so that the electrode 10 is in contact with the electric sheet 11, and the signal is transmitted to the control panel 33, the control panel 33 turns on the drive motor 4, and the flipping operation can be performed, which is convenient for flipping the soft board to 180 degrees, so as to facilitate welding operations on both sides of the soft board, thereby improving the processing efficiency of the soft board.

[0025] See also Figure 1 , 4 As shown, two slide grooves 16 are symmetrically provided inside the top side of the main board 1, and the inside of the slide grooves 16 are respectively fixedly connected with a guide rod 17 and rotatably connected with a reciprocating screw rod 18, and a reciprocating motor 19 is installed on one side of the main board 1, and one end of the reciprocating screw rod 18 is matched and connected with the output end of the reciprocating motor 19, and a fixing frame 20 is movably installed on the outer wall of the guide rod 17 and the reciprocating screw rod 18, and the fixing frame 20 is slidably installed inside the slide groove 16;

[0026] A threaded rod 21 is rotatably installed between the two sides of the top of the fixing frame 20, a No. 1 motor 22 is installed on one side of the fixing frame 20, one end of the threaded rod 21 is matched and connected with the output end of the No. 1 motor 22, a slide rail 23 is provided inside the top of the fixing frame 20, a sliding block 24 is slidably installed inside the slide rail 23, and one end of the sliding block 24 is threadedly engaged and installed on the outer wall of the threaded rod 21;

[0027] A telescopic rod 25 is installed on the bottom side of the sliding block 24, and a laser welding gun 26 is installed at the active end of the telescopic rod 25; during operation, when processing the FPC soft board, a welding device is needed to connect the components on the FPC soft board with other electronic components or circuit boards, and the reciprocating motor 19 is started through the control panel 33 to rotate the reciprocating screw rod 18, thereby driving the fixed frame 20 to move back and forth in the slide groove 16 to adjust the lateral position of the laser welding gun 26, and then, the No. 1 motor 22 is started to rotate the threaded rod 21, thereby driving the sliding block 24 to move on the slide rail 23 to adjust the longitudinal position of the laser welding gun 26, and by controlling the extension and retraction of the telescopic rod 25, the height of the laser welding gun 26 can be further fine-tuned to ensure an accurate welding position.

[0028] See also Figure 5 As shown, an L-shaped plate 27 is fixedly connected to one end of the rotating shaft 6, a cavity 28 is opened inside the L-shaped plate 27, a suction cup 29 is connected to the L-shaped plate 27 through the cavity 28, a vacuum pump 30 is installed on the bottom side of the cavity 28, an air inlet pipe 31 is connected to one side of the cavity 28, and a valve 32 is installed inside the air inlet pipe 31; during operation, when it is necessary to fix the soft board, the soft board to be processed is placed on the top side of the suction cup 29, and the vacuum pump 30 is operated to generate negative pressure, and the air inside the cavity 28 is extracted to fix the soft board. When it is necessary to release the object, the valve 32 can be opened to allow air to enter the cavity 28, so that the air pressure inside the suction cup 29 returns to normal, thereby losing the adsorption force, and the object can be easily removed, thereby achieving the fixation of the soft board to be welded and avoiding its movement during processing.

[0029] Working principle: when the soft board needs to be fixed, the soft board to be processed is placed on the top side of the suction cup 29, and the vacuum pump 30 works to generate negative pressure, so that the air inside the cavity 28 is extracted to fix the soft board. When the object needs to be released, the control valve 32 can be opened to allow air to enter the cavity 28, so that the air pressure inside the suction cup 29 returns to normal, thereby losing the adsorption force, and the object can be easily removed, thereby achieving the fixation of the soft board to be welded and preventing it from moving during processing;

[0030] The reciprocating motor 19 is started through the control panel 33 to rotate the reciprocating screw rod 18, thereby driving the fixed frame 20 to reciprocate in the slide groove 16 to adjust the lateral position of the laser welding gun 26. Then, the No. 1 motor 22 is started to rotate the threaded rod 21, thereby driving the sliding block 24 to move on the slide rail 23 to adjust the longitudinal position of the laser welding gun 26. By controlling the extension and retraction of the telescopic rod 25, the height of the laser welding gun 26 can be further fine-tuned to ensure an accurate welding position;

[0031] When the FPC soft board needs to be flipped 4, the driving motor 4 drives the active gear 5 to rotate, thereby rotating the driven gear 7 and the rotating shaft 6. As the rotating shaft 6 rotates, the connecting rod 8 will also rotate. During the rotation of the connecting rod 8, the movable rod 12 will slide in the arc groove 14. At this time, the spring 13 is stretched, and the electrode 10 is in contact with the electric sheet 11. When the movable rod 12 slides to one end of the arc groove 14, one end of the movable rod 12 passes through the through hole 15, the spring 13 is reset, the electrode 10 is separated from the electric sheet 11, and the signal is transmitted to the control panel 33. The control panel 33 turns off the driving motor 4 to complete the flipping action. When the next flip is required, the movable rod 12 is pushed to the inside of the groove 9, so that the electrode 10 is in contact with the electric sheet 11, and the signal is transmitted to the control panel 33. The control panel 33 turns on the driving motor 4, and the flipping operation can be performed, which is convenient for flipping the soft board to 180 degrees, so as to facilitate welding operations on both sides of the soft board, thereby improving the processing efficiency of the soft board.

[0032] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A FPC soft board flip welding device, characterized in that: The invention comprises a main board (1), wherein two mounting plates (2) are symmetrically mounted on the top side of the main board (1), a support seat (3) is mounted on one side of one mounting plate (2), a driving motor (4) is mounted inside the support seat (3), a driving gear (5) is mounted on the output end of the driving motor (4), a rotating shaft (6) is rotatably mounted inside the top end of the mounting plate (2), a driven gear (7) is mounted on the outer wall of one of the rotating shafts (6), and the driving gear (5) and the driven gear (7) are meshed with each other, a connecting rod (8) is mounted on one side of one of the rotating shafts (6), and the connecting rod (8) ) is provided with a groove (9) at one end thereof, an electrode (10) is mounted on one side of the groove (9), a movable rod (12) is slidably mounted inside the groove (9), an electric sheet (11) is mounted on one side of the movable rod (12), a spring (13) is fixedly connected between the electric sheet (11) and the groove (9), the spring (13) is sleeved on the outer wall of the movable rod (12), an arc groove (14) is provided inside the mounting plate (2), one end of the movable rod (12) is slidably mounted inside the arc groove (14), and through holes (15) are provided at both ends of the arc groove (14).

2. The FPC soft board flip welding device according to claim 1 is characterized in that: Two slide grooves (16) are symmetrically provided inside the top side of the main board (1), and the inside of the slide groove (16) is respectively fixedly connected with a guide rod (17) and a reciprocating screw rod (18) which is rotatably connected. A reciprocating motor (19) is installed on one side of the main board (1), and one end of the reciprocating screw rod (18) is cooperatively connected with the output end of the reciprocating motor (19). A fixing frame (20) is movably installed on the outer wall of the guide rod (17) and the reciprocating screw rod (18), and the fixing frame (20) is slidably installed inside the slide groove (16).

3. The FPC soft board flip welding device according to claim 2 is characterized in that: A threaded rod (21) is rotatably mounted between the two sides of the top of the fixing frame (20), a No. 1 motor (22) is mounted on one side of the fixing frame (20), one end of the threaded rod (21) is matched and connected with the output end of the No. 1 motor (22), a slide rail (23) is provided inside the top of the fixing frame (20), a sliding block (24) is slidably mounted inside the sliding rail (23), and one end of the sliding block (24) is threadedly mounted on the outer wall of the threaded rod (21).

4. The FPC soft board flip welding device according to claim 3 is characterized in that: A telescopic rod (25) is installed on the bottom side of the sliding block (24), and a laser welding gun (26) is installed on the active end of the telescopic rod (25).

5. The FPC soft board flip welding device according to claim 4 is characterized in that: An L-shaped plate (27) is fixedly connected to one end of the rotating shaft (6), a cavity (28) is provided inside the L-shaped plate (27), a suction cup (29) is connected to the cavity (28) through the inside of the L-shaped plate (27), a vacuum pump (30) is installed on the bottom side of the cavity (28), an air intake pipe (31) is connected to one side of the cavity (28), and a valve (32) is installed inside the air intake pipe (31).

6. The FPC soft board flip welding device according to claim 5, characterized in that: A control panel (33) is installed on one side of the mounting plate (2), and the control panel (33) is electrically connected to the electrode (10), the electric sheet (11) and the drive motor (4), wherein the control panel (33) is used for signal transmission between the electrode (10) and the electric sheet (11), and for operating control of the drive motor (4).

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