Spraying device for circuit board processing

Abstract

The utility model discloses a spraying device for circuit board processing, which comprises a base, the upper surface of the base is fixedly connected with a main body, a spraying mechanism is arranged above the main body, the back surface of the main body is fixedly connected with a first motor and a bidirectional motor, the main body is internally provided with a conveying device, and the conveying device is fixedly connected with the main body. An auxiliary mechanism and a heating mechanism are arranged above the conveying device, an air pipe is arranged on the back face of the main body, a fan is arranged in the air pipe, one end of the air pipe is fixedly connected to the back face of the main body, and the other end of the air pipe extends into the main body. According to the structure, the fan, the air pipe and the heating mechanism are arranged, air is conveyed to the air outlet through the fan while circuit boards are conveyed, a uniform airflow environment is formed, it is ensured that paint is rapidly cured and dried, energy consumption is reduced, and the production speed can be remarkably increased.

Description

Technical Field

[0001] The utility model relates to the technical field of printed circuit board processing, and particularly relates to a spraying device for printed circuit board processing. Background Art

[0002] A printed circuit board (PCB) is a board-shaped substrate used to support and connect electronic components. It is usually made of non-conductive insulating materials (such as fiberglass, epoxy resin, etc.), and a thin conductive copper foil is covered on the surface.

[0003] In traditional spraying devices, the paint needs to be cured by natural drying or some simple baking methods after spraying. Although natural drying does not require additional energy consumption, the curing speed is slow, which will lead to an extension of the production cycle and a reduction in production efficiency. On the other hand, the baking curing method is fast, but it does require a large amount of energy. Summary of the Utility Model

[0004] The utility model provides a spraying device for printed circuit board processing, which can effectively solve the above problems.

[0005] To achieve the above object, a spraying device for printed circuit board processing is provided, including a base. The upper surface of the base is fixedly connected with a main body. A spraying mechanism is arranged above the main body. A first motor and a bidirectional motor are fixedly connected to the back of the main body. A conveying device is arranged inside the main body. An auxiliary mechanism and a heating mechanism are arranged above the conveying device. An air duct is arranged on the back of the main body. A fan is arranged inside the air duct. One end of the air duct is fixedly connected to the back of the main body, and the other end of the air duct extends into the main body.

[0006] By setting the fan, the air duct and the heating mechanism, while the printed circuit board is being conveyed, the air is sent to the air outlet by the fan to form a uniform air flow environment, ensuring that the paint can be quickly cured and dried, reducing energy consumption, and significantly improving the production speed.

[0007] According to the spraying device for printed circuit board processing, the conveying device includes a driving wheel and a synchronous belt. The driving wheel is fixedly connected to the output end of the first motor. The driving wheel is rotatably connected inside the main body. The driving wheel is connected to a driven wheel through the synchronous belt. The driven wheel is rotatably connected inside the main body.

[0008] By setting the conveying device, the printed circuit board moves to ensure that the paint evenly covers the entire surface.

[0009] According to the spraying device for circuit board processing described above, the heating mechanism includes an air outlet and a resistance wire. The air outlet is fixedly connected to the other end of the air duct, and the resistance wire is fixedly connected inside the air outlet.

[0010] By setting the resistance wire, the air is heated to accelerate the drying and curing process of the paint.

[0011] According to the spraying device for circuit board processing described above, the auxiliary mechanism includes a sliding rod, a threaded rod, and a sliding block. The sliding rod is fixedly connected inside the main body. The sliding block is slidably connected to the surface of the sliding rod. The threaded rod is fixedly connected to the output end of the bidirectional motor, and the threaded rod is rotatably connected inside the sliding block.

[0012] Through the control of the threaded rod and the sliding block, the position of the nozzle is ensured to be accurate, improving the spraying accuracy and controllability.

[0013] According to the spraying device for circuit board processing described above, the spraying mechanism includes a storage bucket, a feeding pipe, and a nozzle. The storage bucket is fixedly connected to the upper surface of the main body. One end of the feeding pipe is fixedly connected to the upper surface of the storage bucket. The other end of the feeding pipe extends into the sliding block. The nozzle is fixedly connected to the lower surface of the sliding block, and the feeding pipe is fixedly connected to the nozzle.

[0014] By setting the spraying mechanism, the paint is evenly sprayed onto the surface of the circuit board.

[0015] According to the spraying device for circuit board processing described above, the number of sliding rods is two and they are symmetrically distributed. The fan is fixedly connected to the driven wheel.

[0016] By setting the fan, driven by the rotation of the driven wheel, an air flow is generated to suck in the surrounding air and send it to the air outlet.

[0017] According to the spraying device for circuit board processing described above, the lower surface of the base is fixedly connected with support legs, and the number of support legs is multiple and they are distributed in a rectangular array.

[0018] By setting the support legs, additional support stability is provided to keep the device balanced.

[0019] Advantages of the present utility model:

[0020] 1. By setting the fan, the air duct, and the heating mechanism, while transporting the circuit board, the fan sends the air to the air outlet to form a uniform air flow environment, ensuring that the paint can be quickly cured and dried, reducing energy consumption, and significantly improving the production speed.

[0021] 2. By controlling the auxiliary mechanism and moving the conveying device, the uniform spraying of the coating on the surface of the circuit board is ensured, avoiding the uneven coating or accumulation of the coating.

[0022] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present utility model will be further described below in conjunction with the drawings and embodiments;

[0024] Figure 1 is a three-dimensional structural schematic diagram of a spraying device for circuit board processing according to the present utility model;

[0025] Figure 2 is a cross-sectional structural schematic diagram of the front three-dimensional view of a spraying device for circuit board processing according to the present utility model;

[0026] Figure 3 is a cross-sectional structural schematic diagram of the side three-dimensional view of a spraying device for circuit board processing according to the present utility model.

[0027] Legend Explanation:

[0028] 1. Base; 2. Main body; 3. Spraying mechanism; 31. Storage barrel; 32. Feeding pipe; 33. Nozzle; 4. Air duct; 5. Support leg; 6. Conveying device; 61. Driving wheel; 62. Driven wheel; 63. Synchronous belt; 7. First motor; 8. Auxiliary mechanism; 81. Sliding rod; 82. Threaded rod; 83. Sliding block; 9. Heating mechanism; 91. Air outlet; 92. Resistance wire; 10. Bidirectional motor; 11. Fan. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The function of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be construed as a limitation on the protection scope of the present utility model.

[0030] Referring to Figures 1 to 3 , an embodiment of a spraying device for circuit board processing according to the present utility model includes a base 1. The upper surface of the base 1 is fixedly connected with a main body 2. A spraying mechanism 3 is arranged above the main body 2. The spraying mechanism 3 includes a storage barrel 31, a feeding pipe 32 and a nozzle 33. The storage barrel 31 is fixedly connected to the upper surface of the main body 2. One end of the feeding pipe 32 is fixedly connected to the upper surface of the storage barrel 31. The other end of the feeding pipe 32 extends into the inside of the sliding block 83. The nozzle 33 is fixedly connected to the lower surface of the sliding block 83. The feeding pipe 32 is fixedly connected to the nozzle 33.

[0031] A first motor 7 and a bidirectional motor 10 are fixedly connected to the back of the main body 2. A conveying device 6 is arranged inside the main body 2. The conveying device 6 includes a driving wheel 61 and a synchronous belt 63. The driving wheel 61 is fixedly connected to the output end of the first motor 7. The driving wheel 61 is rotatably connected to the inside of the main body 2. The driving wheel 61 is connected to a driven wheel 62 through a synchronous belt 63. The driven wheel 62 is rotatably connected to the inside of the main body 2.

[0032] An auxiliary mechanism 8 and a heating mechanism 9 are arranged above the conveying device 6. The heating mechanism 9 includes an air outlet 91 and a resistance wire 92. The air outlet 91 is fixedly connected to the other end of the air duct 4, and the resistance wire 92 is fixedly connected to the inside of the air outlet 91. The auxiliary mechanism 8 includes a sliding rod 81, a threaded rod 82 and a sliding block 83. The sliding rod 81 is fixedly connected to the inside of the main body 2, and the sliding block 83 is slidably connected to the surface of the sliding rod 81. The threaded rod 82 is fixedly connected to the output end of the bidirectional motor 10, and the threaded rod 82 is rotatably connected to the inside of the sliding block 83. There are two sliding rods 81 and they are symmetrically distributed.

[0033] An air duct 4 is provided on the back of the main body 2, and a fan 11 is provided inside the air duct 4. One end of the air duct 4 is fixedly connected to the back of the main body 2, and the other end of the air duct 4 extends to the inside of the main body 2. The fan 11 is fixedly connected to the driven wheel 62. The lower surface of the base 1 is fixedly connected to a support leg 5. There are multiple support legs 5 and they are distributed in a rectangular array.

[0034] Working principle:

[0035] The circuit board to be processed is placed on the synchronous belt 63, and the first motor 10 is started. Under the action of the first motor 10, the driving wheel 61 starts to rotate, driving the driven wheel 62 to move, and further driving the circuit board to the bottom of the auxiliary mechanism 8, and the bidirectional motor 7 is started. Under the action of the bidirectional motor 7, the threaded rod 82 starts to rotate, so that the sliding block 83 starts to reciprocate, and the feed pipe 32 transports the paint from the storage barrel 31 to the nozzle 33, and the nozzle 33 sprays the paint from under the sliding block 83. The paint will evenly cover the surface of the circuit board. After the spraying is completed, the circuit board comes to the bottom of the heating mechanism 9, and the driven wheel 62 starts to rotate under the drive of the synchronous belt 63. The driven wheel 62 drives the fan 11 to rotate, and the fan 11 generates airflow and sends air to the air outlet 91. The resistance wire 92 heats the air at the air outlet 91, and the paint evenly covers the entire surface, and the processing is completed.

[0036] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A spraying device for circuit board processing, characterized in that: The invention comprises a base (1), the upper surface of which is fixedly connected to a main body (2), a spraying mechanism (3) is arranged above the main body (2), a first motor (7) and a bidirectional motor (10) are fixedly connected to the back of the main body (2), a conveying device (6) is arranged inside the main body (2), an auxiliary mechanism (8) and a heating mechanism (9) are arranged above the conveying device (6), an air duct (4) is arranged on the back of the main body (2), a fan (11) is arranged inside the air duct (4), one end of the air duct (4) is fixedly connected to the back of the main body (2), and the other end of the air duct (4) extends to the inside of the main body (2).

2. A circuit board processing spraying device according to claim 1, characterized in that: The transmission device (6) comprises a driving wheel (61) and a synchronous belt (63); the driving wheel (61) is fixedly connected to the output end of the first motor (7); the driving wheel (61) is rotatably connected to the inside of the main body (2); the driving wheel (61) is transmission-connected to a driven wheel (62) via a synchronous belt (63); and the driven wheel (62) is rotatably connected to the inside of the main body (2).

3. A spraying device for circuit board processing according to claim 1, characterized in that: The heating mechanism (9) comprises an air outlet (91) and a resistance wire (92); the air outlet (91) is fixedly connected to the other end of the air duct (4); and the resistance wire (92) is fixedly connected inside the air outlet (91).

4. A spraying device for circuit board processing according to claim 2, characterized in that: The auxiliary mechanism (8) comprises a sliding rod (81), a threaded rod (82) and a sliding block (83); the sliding rod (81) is fixedly connected to the inside of the main body (2); the sliding block (83) is slidably connected to the surface of the sliding rod (81); the threaded rod (82) is fixedly connected to the output end of the bidirectional motor (10); and the threaded rod (82) is rotatably connected to the inside of the sliding block (83).

5. A spraying device for circuit board processing according to claim 4, characterized in that: The spraying mechanism (3) comprises a material storage barrel (31), a material delivery pipe (32) and a nozzle (33); the material storage barrel (31) is fixedly connected to the upper surface of the main body (2); one end of the material delivery pipe (32) is fixedly connected to the upper surface of the material storage barrel (31); the other end of the material delivery pipe (32) extends to the interior of the sliding block (83); the nozzle (33) is fixedly connected to the lower surface of the sliding block (83); and the material delivery pipe (32) and the nozzle (33) are fixedly connected.

6. A spraying device for circuit board processing according to claim 5, characterized in that: The number of the sliding rods (81) is two and they are symmetrically distributed, and the fan (11) is fixedly connected to the driven wheel (62).

7. A spraying device for circuit board processing according to claim 1, characterized in that: The lower surface of the base (1) is fixedly connected with a support leg (5), and the support legs (5) are multiple in number and distributed in a rectangular array.

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