Hot air blow-drying device for circuit board

Abstract

The utility model relates to the technical field of circuit board hot air blow-drying, in particular to a circuit board hot air blow-drying device which comprises a connecting frame and an equipment frame, a conveying belt is arranged in the connecting frame, the equipment frame is arranged on the surface of the middle of the connecting frame, and the lower surface of the equipment frame is fixedly connected with a base. A hot air head is fixedly connected to the upper surface of the equipment frame, a flow dividing device is arranged in the equipment frame and comprises a plurality of air blowing plates and connecting pipes, and the air blowing plates are located in the equipment frame. According to the hot air blow-drying device, hot air blow-drying can be effectively carried out on the circuit board moving on the surface of the conveying belt, the hot air can be evenly distributed to the air blowing plates through the flow dividing device, and therefore the circuit board can be heated more evenly in the hot air blow-drying process; and meanwhile, the height of the blowing plate can be adjusted according to different models of the circuit boards, the blowing temperature of hot air is controlled, and the drying efficiency and flexibility of the circuit boards are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hot air drying of circuit boards, in particular to a hot air drying device for circuit boards. Background Art

[0002] The names of circuit boards include: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, circuit board, PCB board, aluminum substrate, high-frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, ultra-thin circuit board, printed (copper etching technology) circuit board, etc. Circuit boards miniaturize and visualize circuits, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layout. During the production process of existing circuit boards, hot air needs to be used to dry the insulating paint applied on the surface of the circuit boards. Therefore, a circuit board hot air drying device is used to dry the circuit boards.

[0003] The prior art, such as publication number CN219269199U, discloses a hot air drying device for circuit boards. The patent adopts a hot air dryer, a cooling fan is provided on the top of the hot air dryer, an opening and closing door is provided on the front of the hot air dryer, an observation window is provided on the opening and closing door for easy observation, a hot air device is provided on the top of the interior of the hot air dryer, a control panel is provided on one side of the hot air dryer, a rotating motor is provided on both sides of the hot air dryer, a driving end of the rotating motor extends to the interior of the hot air dryer and a rotating shaft is provided, a driving component for is fixedly provided on the rotating shaft, and a clamping mechanism for fixing the circuit board is fixedly provided on one side of the driving component; the utility model device solves the problems that the existing equipment has poor flexibility, low drying efficiency, requires manual flipping of the circuit board, consumes a lot of time and manpower, has low work efficiency, and is not conducive to use.

[0004] In daily work, when the equipment is drying the circuit board, there is a problem that the hot air blown onto the surface of the circuit board is uneven, making it difficult to heat the surface of the circuit board evenly, resulting in half of the surface of the circuit board being dry and half of the surface being damp. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcoming in the prior art that it is difficult for equipment to completely dry the circuit board, and to propose a circuit board hot air drying device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a hot air drying device for a circuit board, comprising a connecting frame and an equipment frame, a conveyor belt is arranged inside the connecting frame, the equipment frame is arranged on the middle surface of the connecting frame, the lower surface of the equipment frame is fixedly connected to a base, the upper surface of the equipment frame is fixedly connected to a hot air head, a diversion device is arranged inside the equipment frame, the diversion device comprises a blowing plate and a connecting pipe, a plurality of blowing plates are arranged inside the equipment frame, the connecting pipe is fixedly connected to the upper surface of the blowing plate, and the plurality of blowing plates are connected through the connecting plate, a connecting pipe is arranged on the side of the connecting pipe, a connecting head is arranged above the blowing plate, and the connecting pipe is fixedly connected to the side of the connecting head.

[0007] Furthermore, a telescopic tube is fixedly connected to the upper surface of the connector, and the end of the telescopic tube away from the connector is fixedly connected to the top of the device frame. By setting the telescopic tube, the connector can be connected to the hot air head, reducing the situation where the connector is difficult to effectively connect with the hot air head when the device is in use.

[0008] Furthermore, a connecting block is fixedly connected to the upper surface of the connecting plate, and a connecting column is fixedly connected to the upper surface of the connecting block. The connecting block is provided to facilitate the connection between the connecting column and the connecting plate.

[0009] Furthermore, a cylinder is fixedly connected to one end of the connecting column away from the connecting block, and the cylinder is fixedly connected to the upper surface of the equipment frame. The cylinder is provided to facilitate the movement of the connecting column.

[0010] Furthermore, a protective device is provided at the side end of the equipment frame, and the protective device includes a mounting plate and a reel, the mounting plate is arranged at the top of one end of the equipment frame, the reel is fixedly connected to the end of the mounting plate away from the equipment frame, a protective cloth is provided inside the reel, one end of the protective cloth is fixedly connected to a pull plate, one end of the equipment frame is fixedly connected to a slide rail, the pull plate is slidably connected to the inner wall of the slide rail, the lower surface of the pull plate is fixedly connected to a connecting rope, the end of the connecting rope away from the pull plate is fixedly connected to a rotating wheel, a fixed plate is provided on the side of the rotating wheel, and the fixed plate is fixedly connected to the side of the equipment frame. By providing the protective cloth, the interior of the equipment frame can be shielded, thereby reducing the situation where hot air inside the equipment frame is easily scattered when the equipment is in use.

[0011] Furthermore, the rotating wheel is rotatably connected to the inner wall of the fixed plate, and a servo motor is fixedly connected to the side of the rotating wheel. The servo motor is provided to facilitate the rotation of the rotating wheel.

[0012] Furthermore, a connection seat is fixedly connected to the surface of the servo motor, and the connection seat is fixedly connected to the side of the equipment frame. The connection seat is provided to facilitate the connection of the servo motor.

[0013] Compared with the prior art, the advantages and positive effects of the present invention are:

[0014] 1. In the present invention, a diverter device is provided. When the device is in use, the user starts the cylinder, and then the cylinder moves to drive the connecting column to move downward, and then the connecting column drives the connecting plate to move the blowing plate downward, and then the blowing plate blows hot air to the surface of the conveyor belt. By providing a diverter device, the circuit boards moving on the surface of the conveyor belt can be effectively dried with hot air. The diverter device can evenly distribute the hot air to multiple blowing plates, so that the circuit boards are heated more evenly during the hot air drying process. At the same time, the equipment can adjust the height of the blowing plate according to the different models of the circuit boards, control the temperature of the hot air blown out, and improve the drying efficiency and flexibility of the circuit boards.

[0015] 2. In the utility model, by setting a protective device, when the equipment is in use, the user starts the servo motor, and then the servo motor runs to drive the wheel to rotate inside the fixed plate, and then the wheel rotates to reel in the connecting rope fixed on the surface of the wheel and wrap it around the surface of the wheel, and then the connecting rope moves downward, and then the connecting rope drives the pull plate to move inside the slide rail when it moves, and when the pull plate moves, it drives the protective cloth on the upper end of the pull plate to be pulled out of the interior of the reel to cover one end of the equipment frame. By setting the protective device, the protective cloth is effectively moved downward to cover one end of the equipment frame, thereby playing a role in shielding the equipment frame, blocking the hot air inside the equipment frame, and improving the utilization of the hot air. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of a hot air drying device for circuit boards proposed in the utility model;

[0017] Figure 2 The utility model provides a side view of a circuit board hot air drying device;

[0018] Figure 3 The utility model proposes a circuit board hot air drying device Figure 1 Schematic diagram of the structure at A in the middle;

[0019] Figure 4 The utility model proposes a circuit board hot air drying device Figure 1 Schematic diagram of the structure at B in the middle;

[0020] Figure 5 The utility model proposes a circuit board hot air drying device Figure 1 Schematic diagram of the structure at C in the middle;

[0021] Figure 6 The utility model provides a structural schematic diagram of a diversion device of a circuit board hot air drying device.

[0022] Legend: 1. Connecting frame; 2. Conveyor belt; 3. Equipment frame; 4. Base; 5. Hot air head; 6. Diverter; 61. Blowing plate; 62. Connecting plate; 63. Connecting pipe; 64. Connecting head; 65. Connecting pipe; 66. Telescopic pipe; 67. Cylinder; 68. Connecting column; 69. Connecting block; 7. Protective device; 71. Mounting plate; 72. Winder; 73. Protective cloth; 74. Pull plate; 75. Slide rail; 76. Connecting rope; 77. Fixing plate; 78. Rotating wheel; 79. Servo motor; 710. Connecting seat. DETAILED DESCRIPTION

[0023] See also Figures 1-6 The utility model provides a technical solution: a hot air drying device for a circuit board, comprising a connecting frame 1 and a device frame 3, a conveyor belt 2 is arranged inside the connecting frame 1, the device frame 3 is arranged on the middle surface of the connecting frame 1, the lower surface of the device frame 3 is fixedly connected to the base 4, and the upper surface of the device frame 3 is fixedly connected to the hot air head 5.

[0024] The specific configuration and function of the diverter device 6 and the protective device 7 will be described in detail below.

[0025] In this embodiment: a diversion device 6 is provided inside the equipment frame 3, and the diversion device 6 includes a blowing plate 61 and a connecting pipe 63. There are multiple blowing plates 61 located inside the equipment frame 3, and the connecting pipe 63 is fixedly connected to the upper surface of the blowing plate 61. The multiple blowing plates 61 are connected by a connecting plate 62. A connecting pipe 65 is provided on the side of the connecting pipe 63, and a connecting head 64 is provided above the blowing plate 61. The connecting pipe 65 is fixedly connected to the side of the connecting head 64.

[0026] Specifically, a telescopic tube 66 is fixedly connected to the upper surface of the connecting head 64 , and one end of the telescopic tube 66 away from the connecting head 64 is fixedly connected to the top of the device frame 3 .

[0027] In this embodiment, the telescopic tube 66 is provided to connect the connector 64 to the hot air head 5 , thereby reducing the situation where the connector 64 is difficult to effectively connect to the hot air head 5 when the device is in use.

[0028] Specifically, a connecting block 69 is fixedly connected to the upper surface of the connecting plate 62 , and a connecting column 68 is fixedly connected to the upper surface of the connecting block 69 . The connecting block 69 is provided to facilitate the connection between the connecting column 68 and the connecting plate 62 .

[0029] Specifically, one end of the connecting column 68 away from the connecting block 69 is fixedly connected to the cylinder 67 , and the cylinder 67 is fixedly connected to the upper surface of the equipment frame 3 . The cylinder 67 is provided to facilitate the movement of the connecting column 68 .

[0030] In this embodiment: a protective device 7 is provided at the side end of the equipment frame 3, the protective device 7 includes a mounting plate 71 and a reel 72, the mounting plate 71 is located at the top of one end of the equipment frame 3, the reel 72 is fixedly connected to the end of the mounting plate 71 away from the equipment frame 3, a protective cloth 73 is provided inside the reel 72, one end of the protective cloth 73 is fixedly connected to a pull plate 74, one end of the equipment frame 3 is fixedly connected to a slide rail 75, the pull plate 74 is slidably connected to the inner wall of the slide rail 75, the lower surface of the pull plate 74 is fixedly connected to a connecting rope 76, the end of the connecting rope 76 away from the pull plate 74 is fixedly connected to a rotating wheel 78, a fixing plate 77 is provided on the side of the rotating wheel 78, and the fixing plate 77 is fixedly connected to the side of the equipment frame 3.

[0031] In this embodiment, the protective cloth 73 is provided to shield the interior of the device frame 3 , thereby reducing the risk of hot air inside the device frame 3 being easily scattered when the device is in use.

[0032] Specifically, the rotating wheel 78 is rotatably connected to the inner wall of the fixed plate 77 , and a servo motor 79 is fixedly connected to the side of the rotating wheel 78 . The servo motor 79 is provided to facilitate the rotation of the rotating wheel 78 .

[0033] Specifically, a connection base 710 is fixedly connected to the surface of the servo motor 79 , and the connection base 710 is fixedly connected to the side of the device frame 3 . The connection base 710 is provided to facilitate the connection of the servo motor 79 .

[0034] Working principle: When the equipment is in use, the user starts the cylinder 67, and then the cylinder 67 moves to drive the connecting column 68 to move downward, and then the connecting column 68 drives the connecting plate 62 to move the blowing plate 61 downward, and then the blowing plate 61 blows hot air to the surface of the conveyor belt 2. By setting the diverter device 6, the circuit boards moving on the surface of the conveyor belt 2 can be effectively dried with hot air. The diverter device 6 can evenly distribute the hot air to multiple blowing plates 61, so that the circuit boards are heated more evenly during the hot air drying process. At the same time, the equipment can adjust the height of the blowing plate 61 according to the different models of the circuit boards, control the temperature of the hot air blown out, and improve the drying efficiency and flexibility of the circuit boards.

[0035] When the equipment is in use, the user starts the servo motor 79, and then the servo motor 79 runs to drive the wheel 78 to rotate inside the fixed plate 77. Then the wheel 78 rotates to reel in the connecting rope 76 fixed on the surface of the wheel 78 and wrap it around the surface of the wheel 78. Then the connecting rope 76 moves downward. When the connecting rope 76 moves, it drives the pull plate 74 to move inside the slide rail 75. When the pull plate 74 moves, it drives the protective cloth 73 at the upper end of the pull plate 74 to pull out the inside of the reel 72 to cover one end of the equipment frame 3. By setting the protective device 7, the protective cloth 73 is effectively moved downward to cover one end of the equipment frame 3, thereby covering the equipment frame 3, blocking the hot air inside the equipment frame 3, and improving the utilization of the hot air.

Claims

1. A circuit board hot air drying device, comprising a connecting frame (1) and a device frame (3), characterized in that: A conveyor belt (2) is provided inside the connecting frame (1); the equipment frame (3) is arranged on the middle surface of the connecting frame (1); the lower surface of the equipment frame (3) is fixedly connected to a base (4); the upper surface of the equipment frame (3) is fixedly connected to a hot air head (5); a diversion device (6) is provided inside the equipment frame (3); the diversion device (6) comprises a blowing plate (61) and a connecting pipe (63); a plurality of blowing plates (61) are provided inside the equipment frame (3); the connecting pipe (63) is fixedly connected to the upper surface of the blowing plate (61); the plurality of blowing plates (61) are connected via a connecting plate (62); a connecting pipe (65) is provided on the side of the connecting pipe (63); a connecting head (64) is provided above the blowing plate (61); the connecting pipe (65) is fixedly connected to the side of the connecting head (64).

2. The circuit board hot air drying device according to claim 1, characterized in that: A telescopic tube (66) is fixedly connected to the upper surface of the connecting head (64), and one end of the telescopic tube (66) away from the connecting head (64) is fixedly connected to the top of the equipment frame (3).

3. The circuit board hot air drying device according to claim 2, characterized in that: The upper surface of the connecting plate (62) is fixedly connected to a connecting block (69), and the upper surface of the connecting block (69) is fixedly connected to a connecting column (68).

4. A circuit board hot air drying device according to claim 3, characterized in that: One end of the connecting column (68) away from the connecting block (69) is fixedly connected to a cylinder (67), and the cylinder (67) is fixedly connected to the upper surface of the equipment frame (3).

5. The circuit board hot air drying device according to claim 1, characterized in that: A protective device (7) is provided at the side end of the equipment frame (3), and the protective device (7) includes a mounting plate (71) and a reel (72). The mounting plate (71) is arranged at the top of one end of the equipment frame (3), and the reel (72) is fixedly connected to the end of the mounting plate (71) away from the equipment frame (3). A protective cloth (73) is provided inside the reel (72), and one end of the protective cloth (73) is fixedly connected to a pull plate (74). One end of the equipment frame (3) is fixedly connected to a slide rail (75), and the pull plate (74) is slidably connected to the inner wall of the slide rail (75). The lower surface of the pull plate (74) is fixedly connected to a connecting rope (76), and the end of the connecting rope (76) away from the pull plate (74) is fixedly connected to a rotating wheel (78). A fixing plate (77) is provided on the side of the rotating wheel (78), and the fixing plate (77) is fixedly connected to the side of the equipment frame (3).

6. The circuit board hot air drying device according to claim 5, characterized in that: The rotating wheel (78) is rotatably connected to the inner wall of the fixed plate (77), and a servo motor (79) is fixedly connected to the side of the rotating wheel (78).

7. The circuit board hot air drying device according to claim 6, characterized in that: A connection seat (710) is fixedly connected to the surface of the servo motor (79), and the connection seat (710) is fixedly connected to the side surface of the equipment frame (3).

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