Printed circuit board drying device

Abstract

The utility model discloses a printed circuit board drying device which structurally comprises a drying box, a rotating plate and a board inserting groove, a circuit board is placed in the drying box through a feeding port and is inserted into the board inserting groove, and pressing plates are arranged towards the two sides, so that the circuit board is clamped under the action of a spring; then an air heater heats the upper end of the middle partition plate through an air pipe, so that the circuit boards are dried, a motor drives a middle rotating plate to drive a rotating plate to rotate under the action of a connecting rod, and the circuit boards are inserted into board inserting grooves one by one while rotating; and the other feeding port enables the circuit board to be pulled out through the feeding port after the circuit board is rotated and dried by one circle, so that the plugging and pulling function is achieved, the circuit board is dried while being replaced, the drying efficiency is higher, one person can conduct operation, the working efficiency is higher, and more labor is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of printed circuit board production, in particular to a printed circuit board drying device. Background Art

[0002] Printed circuit boards are also called printed circuit boards or PCB circuit boards. Printed circuit boards are the carriers of printed circuits. Therefore, they are widely used in the electronics industry and other fields. The production process of printed circuit boards includes a drying process. After browning, etching and cleaning, the printed circuit boards need to be dried. In addition, printed circuit boards that have been exposed to moisture also need to be dried to prevent them from getting moldy and rusty.

[0003] However, in the current drying process of printed circuit boards, most of them are arranged on a placement rack, pushed into the drying equipment for drying and then taken out. This method has a slow drying progress, and the placement and retrieval consumes a lot of working time, resulting in low work efficiency.

[0004] A device for rapid drying of a printed circuit board is proposed for this purpose. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In order to overcome the shortcomings of the existing technology, a printed circuit board drying device is proposed to solve the problem that most of the printed circuit boards are currently dried by arranging them on a placement rack, pushing them into a drying device for drying and then taking them out. This method has a slow drying progress, and the placement and retrieval consumes a lot of working time, resulting in low work efficiency.

[0007] (II) Technical solution

[0008] The utility model is realized by the following technical scheme: The utility model proposes a printed circuit board drying device, comprising:

[0009] A cylindrical drying box, wherein a middle partition is provided in the middle of the drying box, an upper end cover is connected to the top of the drying box, and a feed port is provided on the outer side of the upper end cover;

[0010] An intermediate rotating plate is provided in the middle of the upper end of the intermediate partition, and a fixing rod is provided at the bottom end of the intermediate rotating plate and connected to the intermediate partition through a bearing, a circular rotating plate is connected to the outer side of the intermediate rotating plate through a connecting rod, a plurality of plug-in plate slots are provided at the upper end of the rotating plate, and elastic slots are dug on both sides of the plug-in plate slots, air holes are provided between the elastic slots, a pressure plate is connected to the inside of the elastic slot through a spring, a motor is installed at the bottom end of the intermediate partition through a mounting box, and an output end of the motor is connected to the fixing rod;

[0011] A hot air blower is arranged at the lower end of the middle partition, and an output end of the hot air blower penetrates the middle partition through an air pipe.

[0012] Furthermore, a lifting groove is provided inside the outer side of the drying box, an extension plate is provided on the outer side of the bottom end surface of the upper end cover to penetrate the lifting groove, and a baffle is provided at the bottom end of the extension plate, an electric push rod is installed on the upper end of the middle rotating plate through a sealing cover, and the output end of the electric push rod is connected to the upper end cover.

[0013] Furthermore, the feed inlets are provided at two locations and are arranged close to each other.

[0014] Furthermore, a stabilizing slide block is provided on the outer side of the rotating plate, a stabilizing slide groove is provided on the upper end of the inner wall of the drying box, and the stabilizing slide grooves are slidably connected with each other.

[0015] Furthermore, the height dimension of the pressing plate is greater than the height dimension of the inserting plate slot, and the inner top end of the pressing plate is arc-shaped.

[0016] Furthermore, a temperature sensor is provided on the inner end surface of the upper end cover, an exhaust fan is installed on the top of the temperature sensor, the air intake end of the exhaust fan passes through the upper end cover, and the air outlet end of the exhaust fan is connected to an external purification device.

[0017] Furthermore, a control panel is installed on the top surface of the upper end cover, and a box door is installed on the outside of the drying box.

[0018] Furthermore, the air pipe outlets are provided with a plurality of outlets located on the outer ring of the middle partition.

[0019] (III) Beneficial effects

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] In the utility model, two feeding ports are provided so that the circuit board can be inserted at one place and pulled out at another place, thereby realizing the drying and replacement of the circuit board, avoiding manual stacking on the placement rack and then pushing it into the drying equipment for drying, saving working time and improving work efficiency.

[0022] In the utility model, the circuit board is inserted into the board slot and the circuit boards are inserted separately, and then the motor drives the middle rotating plate to rotate the rotating plates on the side, and the hot air blower and the air duct dry the drying box, so that the drying area of ​​the circuit board is increased, the drying efficiency is better, and the drying effect is accelerated.

[0023] In the utility model, the internal temperature of the drying box is controlled by a temperature sensor to avoid the situation where the internal drying temperature is too high, and the exhaust fan can discharge the gas generated in the drying process into the purification equipment to avoid escaping through the feed port, affecting the working environment and endangering physical health. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0025] Figure 1 It is a schematic diagram of the structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the internal top view structure of the rotating plate of the utility model;

[0027] Figure 3 It is a schematic diagram of the internal structure of the utility model from the side;

[0028] Figure 4 It is a schematic diagram of the top view structure of the utility model;

[0029] Figure 5 This is a partial enlarged structural diagram of the utility model at A;

[0030] Figure 6 This is a schematic diagram of the top view of the middle partition of the utility model;

[0031] In the figure: drying box-1, upper cover-2, box door-3, control panel-4, feed port-5, exhaust fan-6, middle rotating plate-7, connecting rod-8, rotating plate-9, stable slide groove-10, stable slider-11, plug-in plate groove-12, elastic groove-13, spring-14, pressure plate-15, air hole-16, electric push rod-17, sealing cover-18, temperature sensor-19, motor-110, installation box-111, hot air blower-112, air pipe-113, middle partition-114, lifting groove-115, extension plate-116, baffle-117. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0033] See also Figure 1-Figure 6The utility model provides a printed circuit board drying device, including a cylindrical drying box 1 for convenient rotation and heating. A middle partition 114 is laid in the middle of the drying box 1 to separate the electrical appliances below to prevent heat from affecting them. An upper end cover 2 is connected to the top of the drying box 1. A feed port 5 is arranged on the outer side of the upper end cover 2. The feed port 5 is arranged at two places and is close to each other, so that the circuit board can be inserted conveniently and the dried circuit board can be pulled out at the same time, so as to realize the circulation work and avoid putting it on the placement rack and then pushing it into the drying equipment, which causes trouble in taking and wastes working time, so as to speed up the work efficiency. The inner end surface of the upper end cover 2 is provided with a There is a temperature sensor 19, which controls the measurement of the internal temperature to prevent higher temperature from affecting the circuit board. An exhaust fan 6 is installed on the top of the temperature sensor 19. The air intake end of the exhaust fan 6 passes through the upper end cover 2, and the air outlet end of the exhaust fan 6 is connected to an external purification device. In this way, harmful gases generated by the circuit board during the drying process can be input into the purification device for purification to avoid affecting the working environment and endangering the health of the staff. A control panel 4 is installed on the top surface of the upper end cover 2 to facilitate operation. A box door 3 is installed on the outside of the drying box 1 to facilitate maintenance and replacement of the motor 110 or the hot air blower 112 at the lower end.

[0034] An intermediate rotating plate 7 is provided in the middle of the upper end of the intermediate partition 114 for force rotation, and a fixing rod is provided at the bottom end of the intermediate rotating plate 7 to be connected to the intermediate partition 114 through a bearing, and a circular rotating plate 9 is connected to the outer side of the intermediate rotating plate 7 through a connecting rod 8, so that the rotating plate 9 can rotate in a circle, so that it can be heated more, a stabilizing slider 11 is provided on the outer side of the rotating plate 9, and a stabilizing slide groove 10 is provided on the upper end of the inner wall of the drying box 1, and the stabilizing slide groove 10 is slidably connected with the stabilizing slide groove 10, so as to enhance the stabilizing effect of the rotating plate 9 and avoid the situation that the side of the rotating plate 9 is unstable, and a plurality of plug-in slots 12 are provided on the upper end of the rotating plate 9 for inserting circuit boards, and the plug-in slots 12 are arranged at intervals, so that the circuit boards are heated more and the drying effect is better, and elastic slots 13 are dug on both sides of the plug-in slots 12. A pressure plate 15 is connected to the inside of the elastic groove 13 through a spring 14, so that the spring 14 is subjected to force to press the circuit board through the pressure plate 15, making it easy to install. Air holes 16 are provided between the elastic grooves 13 to increase the input of gas, thereby increasing the drying effect of the side of the circuit board. The height dimension of the pressure plate 15 is greater than the height dimension of the plug-in slot 12, which increases the clamping area of ​​the circuit board and improves the stability of the butterfly. The top inner side of the pressure plate 15 is arc-shaped, which is convenient for the circuit board to be inserted therein. A motor 110 is installed at the bottom of the middle partition plate 114 through an installation box 111, and the output end of the motor 110 is connected to the fixed rod, so that the motor 11 drives the middle rotating plate 7 to rotate the rotating plate 9, so that the circuit board is heated by rotation, and the heating effect is more uniform and the drying efficiency is better.

[0035] A hot air blower 112 is provided at the lower end of the middle partition 114, and the output end of the hot air blower 112 passes through the middle partition 114 through the air pipe 113, so that the hot air blower 112 dries the circuit board at the upper end through the air pipe 113. The air outlet of the air pipe 113 is provided with several outlets located in the outer circle of the middle partition 114, so that more hot air can be output and the circuit board can be heated more, thereby enhancing the drying progress.

[0036] Among them, a lifting groove 115 is provided inside the outer side of the drying box 1, an extension plate 116 is provided on the outer side of the bottom end surface of the upper end cover 2 to penetrate the lifting groove 115, and a baffle 117 is provided at the bottom end of the extension plate 116, and an electric push rod 17 is installed on the upper end of the middle rotating plate 7 through a sealing cover 18, and the output end of the electric push rod 17 is connected to the upper end cover 2, so that the upper end cover 2 can be pushed by the electric push rod 17 to pull the extension plate 116 to move, so that the position of the upper end cover 2 can be adjusted, so that circuit boards of different heights can be inserted and fixed, which is convenient for them to rotate and use for heating.

[0037] Working principle: When in use, first connect the control panel 4, exhaust fan 6, electric push rod 17, temperature sensor 19, motor 110 and hot air blower 112 to an external power supply, then insert the circuit board into the plug-in slot 12 through a feed port 5, and apply thrust compression spring 14 to both sides of the pressure plate 15, so that the circuit board is clamped under the action of the spring 14 pushing the pressure plate 15, and the hot air blower 112 dries the drying box 1 through the air pipe 113, and then the motor 110 simultaneously drives the middle rotating plate 7 so that the connecting rod 8 drives the rotating plate 9 to rotate the circuit board, and while rotating, a feed port 5 can take out the dried circuit board, and insert the circuit board through another place at the same time, and do it at the same time, so as to complete the work.

[0038] 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. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A printed circuit board drying device, characterized in that: include A cylindrical drying box (1), wherein a middle partition (114) is provided in the middle of the drying box (1), an upper end cover (2) is connected to the top of the drying box (1), and a feed port (5) is provided on the outer side of the upper end cover (2); An intermediate rotating plate (7) is provided at the middle of the upper end of the intermediate partition (114), and a fixing rod is provided at the bottom end of the intermediate rotating plate (7) and connected to the intermediate partition (114) through a bearing. The outer side of the intermediate rotating plate (7) is connected to a circular rotating plate (9) through a connecting rod (8). The upper end of the rotating plate (9) is provided with a plurality of plug-in plate grooves (12), and elastic grooves (13) are dug on both sides of the plug-in plate grooves (12). Air holes (16) are provided between the elastic grooves (13). A pressing plate (15) is connected to the inside of the elastic groove (13) through a spring (14). A motor (110) is installed at the bottom end of the intermediate partition (114) through a mounting box (111), and the output end of the motor (110) is connected to the fixing rod. A hot air blower (112) is provided at the lower end of the middle partition (114), and the output end of the hot air blower (112) passes through the middle partition (114) via an air pipe (113).

2. A printed circuit board drying device according to claim 1, characterized in that: A lifting groove (115) is provided inside the outer side of the drying box (1); an extension plate (116) is provided on the outer side of the bottom end surface of the upper end cover (2) and passes through the lifting groove (115); a baffle (117) is provided at the bottom end of the extension plate (116); an electric push rod (17) is installed at the upper end of the intermediate rotating plate (7) through a sealing cover (18); and an output end of the electric push rod (17) is connected to the upper end cover (2).

3. A printed circuit board drying device according to claim 1, characterized in that: The feed inlets (5) are provided at two locations and are arranged close to each other.

4. A printed circuit board drying device according to claim 1, characterized in that: A stabilizing slide block (11) is provided on the outer side of the rotating plate (9), and a stabilizing slide groove (10) is provided on the upper end of the inner wall of the drying box (1), and the stabilizing slide grooves (10) are slidably connected to each other.

5. A printed circuit board drying device according to claim 1, characterized in that: The height dimension of the pressing plate (15) is greater than the height dimension of the inserting plate slot (12), and the inner top end of the pressing plate (15) is arc-shaped.

6. A printed circuit board drying device according to claim 1, characterized in that: The inner end surface of the upper end cover (2) is provided with a temperature sensor (19), and an exhaust fan (6) is installed on the top of the temperature sensor (19). The air intake end of the exhaust fan (6) passes through the upper end cover (2), and the air outlet end of the exhaust fan (6) is connected to an external purification device.

7. A printed circuit board drying device according to claim 1, characterized in that: A control panel (4) is installed on the top surface of the upper end cover (2), and a box door (3) is installed on the outside of the drying box (1).

8. A printed circuit board drying device according to claim 1, characterized in that: The air pipe (113) is provided with a plurality of air outlets located on the outer circle of the middle partition (114).

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