Board turnover machine for PCB processing

Abstract

The utility model relates to the technical field of PCB (printed circuit board) processing equipment, and provides a board turnover machine for PCB processing, which comprises two mounting boards, the inner surfaces of the two mounting boards are rotatably connected with first rotating shafts and second transmission wheels, the second transmission wheels are fixedly arranged on the outer surface of the first rotating shaft on one side, PCBs to be turned over are placed on the opposite surfaces of a plurality of second transmission belts, and a fourth motor is turned on to turn on the second transmission belts. An output shaft of a fourth motor drives gears on the two sides to rotate, then a plurality of second rotating shafts and a plurality of third transmission wheels are driven to rotate, a plurality of second transmission belts are driven to rotate, two limiting plates are matched to drive PCBs to move on the opposite faces of the second transmission belts, a first motor is started, and an output shaft of the first motor drives a first transmission wheel to rotate; and then the first transmission belts and the second transmission wheels are driven to rotate, the rotating plates on the two sides and the PCBs are driven to turn over through the two first rotating shafts, after the PCBs are turned over, the fourth motors are started, and the PCBs are driven to leave the device from the opposite faces of the multiple second transmission belts.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board processing equipment, in particular to a turning machine for PCB board processing. Background Art

[0002] In the process of PCB board production, after the front side of the PCB board is processed, a turning mechanism is required to turn it over so that the back side faces up, and then the PCB board is sent to the next process.

[0003] In the prior art, such as Chinese Patent Publication No. CN209522239U, the utility model discloses a PCB board cooling turning machine, including a machine shell and a turning device. The turning device includes an upper shaft and a lower shaft, a driving wheel arranged on the upper shaft, a driven wheel arranged on the lower shaft, a transmission belt connecting the driving wheel and the driven wheel, and turning rods arranged on the transmission belt. The PCB board cooling turning machine further includes a cooling device, and the cooling device includes a rectangular air box, and air outlet holes are evenly arranged on the front side, rear side and upper side of the rectangular air box. In the utility model, after the turning device takes the PCB board off the feeding belt conveyor, it will lift the PCB board by a certain distance, then turn the PCB board over, and finally lower the PCB board and place it on the discharging belt conveyor, thereby prolonging the cooling time of the PCB board in the cooling turning machine and improving the cooling effect on the PCB board; and its cooling device only needs one blower to be connected to the rectangular air box, and the rectangular air box can evenly send the cooling air to each PCB board.

[0004] Although the above solution has the above advantages, the disadvantages of the above solution are that there is no mechanism for stably limiting the PCB during the turning process and driving the PCB to move and turn, which is likely to cause scratches and damage to the surface of the PCB board, affecting production efficiency and product quality. There is no structure for adjusting the lateral spacing of the mechanism for driving and turning the PCB board, so that the device cannot turn PCB boards with different width dimensions, and the practicability and universality range of the device are limited. There is no structure for cleaning the deposited dust and impurities inside the device, which is likely to cause the dust and impurities to affect the product quality of the PCB board. Summary of the Utility Model

[0005] The purpose of the present utility model is to provide a turning machine for PCB board processing. The present utility model designs a mechanism that stably limits the position of the PCB during the turning process and drives the movement and turning of the PCB board, avoiding scratches and damage to the surface of the PCB board, improving production efficiency and product quality. A structure for adjusting the lateral spacing of the mechanism for driving and turning the PCB board is designed, enabling the device to turn PCB boards of different width dimensions, improving the practicality and universality range of the device. A structure for cleaning the deposited dust and impurities inside the device is designed to prevent the dust and impurities from affecting the product quality of the PCB board.

[0006] In order to achieve the above object, the present utility model adopts the following technical solutions: A turning machine for PCB board processing, comprising:

[0007] Two mounting plates, both inner surfaces of the two mounting plates are rotatably connected with a first rotating shaft, and further comprising:

[0008] A second transmission wheel, fixedly arranged on the outer surface of one of the first rotating shafts. A first motor is fixedly installed on the outer surface of one of the mounting plates. The output shaft of the first motor is fixedly provided with a first transmission wheel. The first transmission wheel is movably connected with a first transmission belt. The first transmission belt is movably connected with the second transmission wheel. On the opposite outer surfaces of the two first rotating shafts, a plurality of rotating plates are fixedly arranged. On the opposite outer surfaces of the two rotating plates, a plurality of first sliding rods are fixedly arranged. Two adjusting plates are slidably connected to the outer surfaces of the plurality of first sliding rods. Both inner surfaces of the two adjusting plates are rotatably connected with a plurality of second rotating shafts. On the opposite outer surfaces of the plurality of second rotating shafts, a plurality of third transmission wheels are fixedly arranged. A plurality of second transmission belts are movably connected to the outer surfaces of the plurality of third transmission wheels. The output shaft of the first motor drives the first transmission wheel to rotate, thereby driving the first transmission belt and the second transmission wheel to rotate. The two first rotating shafts drive the rotating plates on both sides and the PCB board to turn. The plurality of third transmission wheels rotate, driving the plurality of second transmission belts to rotate, and cooperating with the two limiting plates to drive the PCB board to move on the opposite surfaces of the plurality of second transmission belts.

[0009] Preferably, a plurality of gears are fixedly arranged on the outer surfaces of the plurality of second rotating shafts. The plurality of gears are meshed with each other in pairs. A fourth motor is fixedly installed on the outer surfaces of both adjusting plates. The output shafts of the two fourth motors are respectively fixedly connected to the outer surfaces of the two gears. On the opposite outer surfaces of the two adjusting plates, a plurality of limiting plates are fixedly arranged. When the fourth motor is turned on, the output shafts of the fourth motors drive the gears on both sides to rotate, thereby driving the plurality of second rotating shafts to rotate.

[0010] Preferably, a first lead screw is rotatably connected to the opposite outer surfaces of the two rotating plates. The outer surface of the first lead screw is threadedly connected to the inner surfaces of the two adjusting plates respectively. When the first lead screw rotates, it drives the two adjusting plates to move in opposite or opposite directions along the plurality of first sliding rods.

[0011] Preferably, a second motor is fixedly installed on the outer surface of one side of the rotating plate. One end face of the output shaft of the second motor is fixedly connected to one end of the first lead screw. The output shaft of the second motor drives the first lead screw to rotate.

[0012] Preferably, a bottom cabinet is fixedly arranged on the outer surface of the bottoms of the two mounting plates. A plurality of support columns are fixedly arranged on the outer surface of the bottom cabinet. The plurality of support columns stably support the bottom cabinet.

[0013] Preferably, two rod seats are fixedly arranged on the inner surface of the bottom cabinet. A second sliding rod is fixedly arranged on the outer surface of one rod seat. The inner surface of the other rod seat is rotatably connected to a second lead screw. The two rod seats mount the second sliding rod and the second lead screw.

[0014] Preferably, a cleaning plate is threadedly connected to the outer surface of the second lead screw. The inner surface of the cleaning plate is slidably connected to the outer surface of the second sliding rod. When the second lead screw rotates, it drives the cleaning plate to move along the second sliding rod to collect and clean the dust inside the bottom cabinet.

[0015] Preferably, a third motor is fixedly installed on the outer surface of the bottom cabinet. One end face of the output shaft of the third motor is fixedly connected to one end of the second lead screw. The output shaft of the third motor drives the second lead screw to rotate.

[0016] Compared with the prior art, the advantages and positive effects of the present utility model are as follows.

[0017] 1. In the present utility model, the PCB board to be flipped is placed on the opposite surfaces of a plurality of second conveyor belts. The fourth motor is turned on. The output shaft of the fourth motor drives the gears on both sides to rotate, and then drives a plurality of second rotating shafts and a plurality of third drive wheels to rotate, driving a plurality of second conveyor belts to rotate. Cooperating with the two limit plates to drive the PCB board to move on the opposite surfaces of the plurality of second conveyor belts. The first motor is turned on. The output shaft of the first motor drives the first drive wheel to rotate, and then drives the first conveyor belt and the second drive wheel to rotate. The two rotating plates and the PCB board on both sides are driven to flip through the two first rotating shafts. After the PCB board is flipped, the fourth motor is turned on to drive the PCB board to leave the device from the opposite surfaces of the plurality of second conveyor belts.

[0018] 2. In the present utility model, the output shaft of the second motor drives the first lead screw to rotate, and then drives the two adjusting plates to move towards or away from each other along a plurality of first sliding rods, adjusting the lateral distance between the plurality of second conveyor belts on both sides, so that the device can flip PCB boards of different width dimensions. The output shaft of the third motor drives the second lead screw to rotate, driving the cleaning plate to move along the second sliding rod to collect and clean the dust inside the bottom cabinet. Description of the Drawings

[0019] Figure 1Schematic three-dimensional structure diagram of a turnover machine for PCB board processing provided by the present utility model;

[0020] Figure 2 Schematic side three-dimensional structure diagram of a turnover machine for PCB board processing provided by the present utility model;

[0021] Figure 3 Schematic front view structure diagram of a turnover machine for PCB board processing provided by the present utility model;

[0022] Figure 4 A turnover machine for PCB board processing provided by the present utility model Figure 1 Enlarged three-dimensional structure diagram at position A in it.

[0023] Legend description:

[0024] 1. Mounting plate; 2. First driving wheel; 3. First driving belt; 4. Second driving wheel; 5. First motor; 6. First rotating shaft; 7. Rotating plate; 8. First sliding rod; 9. Adjusting plate; 10. First lead screw; 11. Second motor; 12. Bottom cabinet; 13. Support column; 14. Third motor; 15. Rod seat; 16. Second sliding rod; 17. Cleaning plate; 18. Fourth motor; 19. Gear; 20. Second rotating shaft; 21. Second driving belt; 22. Limiting plate; 23. Second lead screw; 24. Third driving wheel. Specific implementation manners

[0025] In order to be able to more clearly understand the above-mentioned objects, features and advantages of the present utility model, the present utility model will be further described below with reference to the drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0026] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Therefore, the present utility model is not limited by the specific embodiments disclosed in the following specification.

[0027] Embodiment 1, as Figures 1 to 4As shown in the figure, the utility model provides a turnover machine for PCB board processing, which includes two mounting plates 1. The inner surfaces of the two mounting plates 1 are both rotatably connected with a first rotating shaft 6, and a second transmission wheel 4 is fixedly arranged on the outer surface of the first rotating shaft 6 on one side. A first motor 5 is fixedly installed on the outer surface of one mounting plate 1. The output shaft of the first motor 5 is fixedly provided with a first transmission wheel 2. The first transmission wheel 2 is movably connected with a first transmission belt 3, and the first transmission belt 3 is movably connected with the second transmission wheel 4. Rotating plates 7 are fixedly arranged on the opposite outer surfaces of the two first rotating shafts 6. A plurality of first sliding rods 8 are fixedly arranged on the opposite outer surfaces of the two rotating plates 7. Two adjusting plates 9 are slidably connected to the outer surfaces of the plurality of first sliding rods 8. The inner surfaces of the two adjusting plates 9 are both rotatably connected with a plurality of second rotating shafts 20. Third transmission wheels 24 are fixedly arranged on the opposite outer surfaces of the plurality of second rotating shafts 20. A plurality of second transmission belts 21 are movably connected to the outer surfaces of the plurality of third transmission wheels 24. The output shaft of the first motor 5 drives the first transmission wheel 2 to rotate, and then drives the first transmission belt 3 and the second transmission wheel 4 to rotate. The two first rotating shafts 6 drive the rotating plates 7 on both sides and the PCB board to flip. The plurality of third transmission wheels 24 rotate to drive the plurality of second transmission belts 21 to rotate, and cooperate with the two limiting plates 22 to drive the PCB board to move on the opposite surfaces of the plurality of second transmission belts 21.

[0028] Further, as Figures 1 to 4 shown, a plurality of gears 19 are fixedly arranged on the outer surfaces of the plurality of second rotating shafts 20. The plurality of gears 19 are meshed with each other in pairs. Fourth motors 18 are fixedly installed on the outer surfaces of the two adjusting plates 9. The output shafts of the two fourth motors 18 are respectively fixedly connected to the outer surfaces of the two gears 19. Limiting plates 22 are fixedly arranged on the opposite outer surfaces of the two adjusting plates 9. When the fourth motors 18 are turned on, the output shafts of the fourth motors 18 drive the gears 19 on both sides to rotate, and then drive the plurality of second rotating shafts 20 to rotate.

[0029] Further, as Figures 1 to 4 shown, a first lead screw 10 is rotatably connected to the opposite outer surfaces of the two rotating plates 7. The outer surface of the first lead screw 10 is threadedly connected to the inner surfaces of the two adjusting plates 9 respectively. When the first lead screw 10 rotates, it drives the two adjusting plates 9 to move in opposite or opposite directions along the plurality of first sliding rods 8.

[0030] Further, as Figures 1 to 4 shown, a second motor 11 is fixedly installed on the outer surface of one rotating plate 7. The output shaft of the second motor 11 is fixedly connected to one end face of the first lead screw 10. The output shaft of the second motor 11 drives the first lead screw 10 to rotate.

[0031] Further, as Figures 1 to 4 shown, a base cabinet 12 is fixedly arranged on the outer surfaces of the bottoms of the two mounting plates 1. A plurality of support columns 13 are fixedly arranged on the outer surface of the base cabinet 12. The plurality of support columns 13 stably support the base cabinet 12.

[0032] Furthermore, as Figures 1 to 4 shown, two rod seats 15 are fixedly arranged on the inner surface of the bottom cabinet 12. A second sliding rod 16 is fixedly arranged on the outer surface of one rod seat 15, and a second lead screw 23 is rotatably connected to the inner surface of the other rod seat 15. The two rod seats 15 install the second sliding rod 16 and the second lead screw 23.

[0033] Furthermore, as Figures 1 to 4 shown, a cleaning plate 17 is threadedly connected to the outer surface of the second lead screw 23. The inner surface of the cleaning plate 17 is slidably connected to the outer surface of the second sliding rod 16. When the second lead screw 23 rotates, it drives the cleaning plate 17 to move along the second sliding rod 16 to collect and clean the dust inside the bottom cabinet 12.

[0034] Furthermore, as Figures 1 to 4 shown, a third motor 14 is fixedly installed on the outer surface of the bottom cabinet 12. The outer surface of the third motor 14 is fixedly connected to one end surface of the second lead screw 23. The output shaft of the third motor 14 drives the second lead screw 23 to rotate.

[0035] Working principle: Place the PCB board to be flipped on the opposite surfaces of multiple second conveyor belts 21. Turn on the fourth motor 18. The output shaft of the fourth motor 18 drives the two side gears 19 to rotate, and then drives multiple second rotating shafts 20 and multiple third transmission wheels 24 to rotate, driving multiple second conveyor belts 21 to rotate. Cooperating with the two limit plates 22, it drives the PCB board to move on the opposite surfaces of multiple second conveyor belts 21. Turn on the first motor 5. The output shaft of the first motor 5 drives the first transmission wheel 2 to rotate, and then drives the first conveyor belt 3 and the second transmission wheel 4 to rotate. Through the two first rotating shafts 6, it drives the two side rotating plates 7 and the PCB board to flip. After the PCB board is flipped, turn on the fourth motor 18 to drive the PCB board to leave the device from the opposite surfaces of multiple second conveyor belts 21. Turn on the second motor 11. The output shaft of the second motor 11 drives the first lead screw 10 to rotate, and then drives the two adjusting plates 9 to move along multiple first sliding rods 8 in opposite or opposite directions to adjust the lateral spacing of multiple second conveyor belts 21 on both sides, so that the device can flip PCB boards with different width dimensions. Turn on the third motor 14. The output shaft of the third motor 14 drives the second lead screw 23 to rotate, driving the cleaning plate 17 to move along the second sliding rod 16 to collect and clean the dust inside the bottom cabinet 12.

[0036] The above are only the preferred embodiments of the present invention, and do not limit the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical content of the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A turnover machine for PCB board processing, comprising: Two mounting plates (1), with a first rotating shaft (6) rotatably connected to the inner surfaces of both of the two mounting plates (1). It is characterized in that it further comprises: A second transmission wheel (4), fixedly arranged on the outer surface of the first rotating shaft (6) on one side. A first motor (5) is fixedly installed on the outer surface of one of the mounting plates (1). The output shaft of the first motor (5) is fixedly provided with a first transmission wheel (2). The first transmission wheel (2) is movably connected with a first transmission belt (3). The first transmission belt (3) is movably connected with the second transmission wheel (4). Rotating plates (7) are fixedly arranged on the opposite outer surfaces of the two first rotating shafts (6). A plurality of first sliding rods (8) are fixedly arranged on the opposite outer surfaces of the two rotating plates (7). Two adjusting plates (9) are slidably connected to the outer surfaces of the plurality of first sliding rods (8). A plurality of second rotating shafts (20) are rotatably connected to the inner surfaces of the two adjusting plates (9). Third transmission wheels (24) are fixedly arranged on the opposite outer surfaces of the plurality of second rotating shafts (20). A plurality of second transmission belts (21) are movably connected to the outer surfaces of the plurality of third transmission wheels (24).

2. The turnover machine for PCB board processing according to claim 1, wherein: A plurality of gears (19) are fixedly arranged on the outer surfaces of the plurality of second rotating shafts (20). The plurality of gears (19) are meshed with each other in pairs. Fourth motors (18) are fixedly installed on the outer surfaces of the two adjusting plates (9). The output shafts of the two fourth motors (18) are respectively fixedly connected to the outer surfaces of the two gears (19). Limiting plates (22) are fixedly arranged on the opposite outer surfaces of the two adjusting plates (9).

3. The turnover machine for PCB board processing according to claim 2, wherein: A first lead screw (10) is rotatably connected to the opposite outer surfaces of the two rotating plates (7). The outer surface of the first lead screw (10) is threadedly connected to the inner surfaces of the two adjusting plates (9) respectively.

4. A turnover machine for PCB board processing according to claim 3, characterized in that: A second motor (11) is fixedly installed on the outer surface of one of the rotating plates (7). The output shaft of the second motor (11) is fixedly connected to one end surface of the first lead screw (10).

5. The turnover machine for PCB board processing according to claim 2, characterized in that: Two support columns (13) are fixedly arranged on the outer surface of the bottom of the two mounting plates (1). A bottom cabinet (12) is fixedly arranged on the outer surface of the two support columns (13).

6. The turnover machine for PCB board processing according to claim 5, wherein: Two rod seats (15) are fixedly arranged on the inner surface of the bottom cabinet (12). A second sliding rod (16) is fixedly arranged on the outer surface of one of the rod seats (15). A second lead screw (23) is rotatably connected to the inner surface of the other rod seat (15).

7. A turnover machine for PCB board processing according to claim 6, characterized in that: A cleaning plate (17) is threadedly connected to the outer surface of the second lead screw (23). The inner surface of the cleaning plate (17) is slidably connected to the outer surface of the second sliding rod (16).

8. A turnover machine for PCB board processing according to claim 7, characterized in that: A third motor (14) is fixedly installed on the outer surface of the bottom cabinet (12). The outer surface of the third motor (14) is fixedly connected to one end surface of the second lead screw (23).

Images