Circuit board drying device

Abstract

The utility model discloses a circuit board drying device, which belongs to the technical field of circuit board processing and comprises a drying box, a placing cavity is arranged at the front end of the drying box, a door assembly is hinged to the front end of the drying box, a drying mechanism is arranged at the upper end of the drying box, and a circuit board clamping mechanism is arranged in the drying box. The circuit board clamping mechanism comprises two rotating shafts rotationally connected to the drying box, the peripheral side of each rotating shaft is connected with a belt wheel, a belt is in transmission connection between the two belt wheels, the inner end of each rotating shaft is connected with a C-shaped plate A, the inner end of each C-shaped plate A is connected with a contact spring, the contact spring is connected with a C-shaped plate B, and the end, close to the contact spring, of the C-shaped plate B is connected with a guide column. The upper end of the C-shaped plate B is in threaded connection with a screw, the lower end of the screw is connected with a clamping plate, and the end, away from the clamping plate, of the screw is connected with a rotating handle. According to the circuit board drying device, two circuit boards with different sizes can be clamped at the same time and then comprehensively dried, and the drying efficiency of the circuit boards is improved.

Description

Technical Field

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

[0002] The names of circuit boards include ceramic circuit boards, alumina ceramic circuit boards, aluminum nitride ceramic circuit boards, PCB boards, aluminum substrates, high-frequency boards, thick copper boards, impedance boards, PCBs, ultra-thin circuit boards, ultra-thin circuit boards, printed (copper etching technology) circuit boards, 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 layouts. Circuit boards can be called printed circuit boards or printed circuit boards;

[0003] The existing technology has the problem that multiple circuit boards cannot be fully dried at the same time, which will cause the circuit boards to not be fully dried during the drying process, and finally lead to poor drying effects of the circuit boards and the need for secondary rework. For this reason, we propose a circuit board drying device. Utility Model Content

[0004] The purpose of the utility model is to provide a circuit board drying device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circuit board drying device comprises a drying box, a placement cavity is provided at the front end of the drying box, a door assembly is hinged at the front end of the drying box, a drying mechanism is arranged at the upper end of the drying box, a circuit board clamping mechanism is arranged in the drying box, the circuit board clamping mechanism comprises two rotating shafts rotatably connected to the drying box, each of the rotating shafts is connected to a pulley on the outer peripheral side, a belt is connected to the two pulleys for transmission connection, each of the rotating shafts is connected to a C-shaped plate A at the inner end, a contact spring is connected to the inner end of the C-shaped plate A, the contact spring is connected to the C-shaped plate B, a guide column is connected to one end of the C-shaped plate B close to the contact spring, a screw is threadedly connected to the upper end of the C-shaped plate B, a clamping plate is connected to the lower end of the screw, a rotating handle is connected to one end of the screw away from the clamping plate, one side of the rotating shaft outer end is connected to the output end of the motor, and the inner end surface of the motor is connected to the drying box.

[0006] Preferably, the drying mechanism includes a hot air box connected to the upper end of the drying box, the lower end of the hot air box is connected to a main air duct and the main air duct is arranged through the upper end of the hot air box, the main air duct is connected to a passing air box, the passing air box is connected to the drying box, and the lower end of the passing air box is connected to a plurality of evenly distributed air outlet ducts.

[0007] Preferably, the door assembly comprises a door body hinged on the drying box, a ventilation slot is provided at the front end of the door body, a filter is connected to the front end of the door body, and the filter is arranged corresponding to the ventilation slot.

[0008] Preferably, the guide column is arranged through the C-shaped plate A, and the C-shaped plate A is slidably connected to the C-shaped plate A.

[0009] Preferably, each corner at the lower end of the drying box is connected to a bracket.

[0010] Preferably, a power source is connected to the rear end of the drying box, and the power source is electrically connected to the motor.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. A drying box, a placement chamber, a circuit board clamping mechanism, a bracket, a drying mechanism and a power supply are provided to place two circuit boards of different sizes between the C-shaped plates B. At this time, the guide column can be pulled out first, and the guide column drives the C-shaped plate B to move and then compress the contact spring. When the distance between the two sides is greater than the width of the circuit board, the circuit board can be placed between the two C-shaped plates B. At this time, the contact spring restores its original length to clamp the two sides of the circuit board. Next, the screw is worked by turning the handle. At this time, the screw drives the clamping plate to move downward. When the clamping plate contacts the surface of the circuit board, the rotation of the handle can be stopped. The utility model realizes that two circuit boards of different sizes can be clamped at the same time and then fully dried, thereby improving the drying efficiency of the circuit board.

[0013] 2. A door assembly is provided to ventilate the placement cavity, thereby preventing overheating in the placement cavity and the melting of the pins of the electronic components on the surface of the circuit board, thereby improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a side view of the structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the circuit board clamping mechanism of the utility model;

[0017] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure at A in the middle;

[0018] Figure 5 This is a schematic diagram of the structure of the door assembly of the utility model;

[0019] Figure 6 This is a schematic diagram of the drying mechanism structure of the utility model.

[0020] In the figure: 1. Drying box; 2. Placement cavity; 3. Door assembly; 301. Door body; 302. Ventilation slot; 303. Filter; 4. Circuit board clamping mechanism; 401. Motor; 402. Rotating shaft; 403. Pulley; 404. Belt; 405. Turning handle; 406. C-shaped plate A; 407. Contact spring; 408. C-shaped plate B; 409. Guide column; 410. Screw; 411. Clamping plate; 5. Bracket; 6. Drying mechanism; 601. Hot air box; 602. Main air duct; 603. Air box; 604. Air outlet duct; 7. Power supply. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-6 The utility model provides a technical solution: a circuit board drying device, including a drying box 1, a placement cavity 2 is opened at the front end of the drying box 1, a door assembly 3 is hinged at the front end of the drying box 1, a drying mechanism 6 is arranged at the upper end of the drying box 1, a circuit board clamping mechanism 4 is arranged in the drying box 1, and the circuit board clamping mechanism 4 includes two rotating shafts 402 rotatably connected to the drying box 1, each rotating shaft 402 is connected to a pulley 403 on the outer peripheral side, a belt 404 is connected between the two pulleys 403, and each rotating shaft 402 is connected to the inner end of the rotating shaft 402. There is a C-shaped plate A406, the inner end of the C-shaped plate A406 is connected to a contact spring 407, the contact spring 407 is connected to a C-shaped plate B408, the end of the C-shaped plate B408 close to the contact spring 407 is connected to a guide column 409, the upper end of the C-shaped plate B408 is threadedly connected to a screw 410, the lower end of the screw 410 is connected to a clamping plate 411, the end of the screw 410 away from the clamping plate 411 is connected to a rotating handle 405, the outer end of one side shaft 402 is connected to the output end of the motor 401, and the inner end face of the motor 401 is connected to the drying box 1.

[0023] Specifically, the drying mechanism 6 includes a hot air box 601 connected to the upper end of the drying box 1, the lower end of the hot air box 601 is connected to a main air duct 602 and the main air duct 602 is arranged through the upper end of the hot air box 601, the main air duct 602 is connected to a through air box 603, the through air box 603 is connected to the drying box 1, and the lower end of the through air box 603 is connected to a plurality of evenly distributed air outlet ducts 604; the door assembly 3 includes a door body 301 hinged on the drying box 1, a ventilation slot 302 is opened at the front end of the door body 301, and the front end of the door body 301 is connected to There is a filter 303, which is arranged corresponding to the ventilation slot 302. A door assembly 3 is arranged to ventilate the placement chamber 2 to prevent overheating in the placement chamber 2 and the melting of the pins of the electronic components on the surface of the circuit board, thereby improving safety; the guide column 409 is arranged through the C-shaped plate A406, and the C-shaped plate A406 is slidably connected to the C-shaped plate A406; each corner of the lower end of the drying box 1 is connected to a bracket 5; the rear end of the drying box 1 is connected to a power supply 7, and the power supply 7 is electrically connected to the motor 401.

[0024] Working principle: First, open the door body 301, then place two circuit boards of different sizes between the C-shaped plates B408, then pull the guide post 409, then the guide post 409 drives the C-shaped plate B408 to move and then compress the contact spring 407, when the distance between the two sides is greater than the width of the circuit board, then the circuit board can be placed between the two C-shaped plates B408, then the contact spring 407 restores its original length to clamp the two sides of the circuit board, then turn the handle 405 to work on the screw 410, this The screw 410 drives the clamping plate 411 to move downward. When the clamping plate 411 contacts the surface of the circuit board, the rotation of the rotating handle 405 can be stopped. Next, the hot air box 601 and the motor 401 are powered by the power supply 7. At this time, the air outlet 604 blows out hot air to dry the surface of the circuit board. At this time, the output end of the motor 401 drives the rotating shaft 402 to rotate and then drives the pulley 403 to rotate. The utility model can realize the comprehensive drying of two circuit boards of different sizes after clamping at the same time, thereby improving the drying efficiency of the circuit boards.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A circuit board drying device, comprising a drying box (1), characterized in that: The front end of the drying box (1) is provided with a placement cavity (2), the front end of the drying box (1) is hinged with a door assembly (3), the upper end of the drying box (1) is provided with a drying mechanism (6), the drying box (1) is provided with a circuit board clamping mechanism (4), the circuit board clamping mechanism (4) comprises two rotating shafts (402) rotatably connected to the drying box (1), the outer peripheral side of each rotating shaft (402) is connected to a pulley (403), a belt (404) is connected between the two pulleys (403), the inner end of each rotating shaft (402) is connected to a C-shaped plate A (406), the C-shaped plate A (406) is connected to the inner end of each rotating shaft (402), and the C-shaped plate A (406) is connected to the inner end of each rotating shaft (402). 06) The inner end is connected to a contact spring (407), the contact spring (407) is connected to a C-shaped plate B (408), the end of the C-shaped plate B (408) close to the contact spring (407) is connected to a guide column (409), the upper end of the C-shaped plate B (408) is threadedly connected to a screw rod (410), the lower end of the screw rod (410) is connected to a clamping plate (411), the end of the screw rod (410) away from the clamping plate (411) is connected to a rotating handle (405), the outer end of the rotating shaft (402) is connected to the output end of the motor (401), and the inner end surface of the motor (401) is connected to the drying box (1).

2. A circuit board drying device according to claim 1, characterized in that: The drying mechanism (6) comprises a hot air box (601) connected to the upper end of the drying box (1); the lower end of the hot air box (601) is connected to a main air duct (602), and the main air duct (602) is arranged through the upper end of the hot air box (601); the main air duct (602) is connected to a passing air box (603), the passing air box (603) is connected to the drying box (1), and the lower end of the passing air box (603) is connected to a plurality of evenly distributed air outlet ducts (604).

3. A circuit board drying device according to claim 1, characterized in that: The door assembly (3) comprises a door body (301) hinged on the drying box (1), a ventilation slot (302) being provided at the front end of the door body (301), a filter screen (303) being connected to the front end of the door body (301), and the filter screen (303) being arranged corresponding to the ventilation slot (302).

4. A circuit board drying device according to claim 1, characterized in that: The guide column (409) is arranged to pass through the C-shaped plate A (406), and the C-shaped plate A (406) is slidably connected to the C-shaped plate A (406).

5. A circuit board drying device according to claim 1, characterized in that: Each corner at the lower end of the drying box (1) is connected to a bracket (5).

6. A circuit board drying device according to claim 1, characterized in that: The rear end of the drying box (1) is connected to a power source (7), and the power source (7) is electrically connected to the motor (401).

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