PCBA board drying device

Abstract

The utility model discloses a PCBA board drying device, and belongs to the technical field of PCBA circuit board processing. The PCBA board drying device comprises a drying shell, a top cover is movably connected to the upper surface of the drying shell in a clamped mode, a cavity is formed in the top cover, a heating wire is fixedly installed in the cavity in the top cover, an air outlet hole is fixedly formed in the middle of the inner top wall of the top cover, and the air outlet hole is communicated with the drying shell. A sealing closing plate is fixedly installed on the peripheral side, close to the air outlet hole, of the top cover, the outer arc face of the sealing closing plate is movably connected to the top of the inner arc face of the drying shell in a sleeving mode, a plurality of PCBA boards are placed in the bearing frame, then the single PCBA boards are movably inserted into the rectangular containing grooves in the containing pockets, the PCBA boards are sequentially and transversely inserted into the containing grooves, the top cover is closed, and a power source is turned on. According to the PCBA board drying device, air blown out by the fan is heated by the heating wire and enters the inner cavity of the drying shell through the air inlet to dry the PCBA boards, the PCBA boards are placed in various forms, and the situation that the working efficiency is reduced due to the fact that the PCBA boards are dried can be avoided.

Description

Technical Field

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

[0002] During the PCBA circuit board processing, organic components such as rosin and lipids remain on the PCBA circuit board. At this time, the rosin, lipids and other organic components on the PCBA circuit board need to be rinsed off. After cleaning the PCBA circuit board, the PCBA circuit board needs to be dried. The traditional drying process is to use a dryer to dry the PCBA circuit board. The traditional dryer blows hot air to dry a single PCBA circuit board, which reduces work efficiency. When drying multiple PCBA circuit boards together, uneven drying will occur, affecting subsequent processing. Utility Model Content

[0003] (1) Technical problems solved

[0004] The utility model provides a PCBA board drying device, which aims to solve the problem in the background art that the existing drying of a single PCBA circuit board reduces work efficiency, and when multiple PCBA circuit boards are dried together, uneven drying occurs, which affects subsequent processing.

[0005] (2) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: it includes a drying shell, the upper surface of the drying shell is movably connected with a top cover, the interior of the top cover is provided with a cavity, a heating wire is fixedly installed in the cavity inside the top cover, the middle part of the inner top wall of the top cover is fixedly installed with an air outlet hole, the top cover is fixedly installed with a sealing plywood on the peripheral side near the air outlet hole, the outer arc surface of the sealing plywood is movably sleeved to the top of the inner arc surface of the drying shell, the bottom of the inner arc surface of the drying shell is fixedly installed with a supporting plate, the upper surface of the supporting plate is fixedly installed with a accommodating pocket, an annular groove is provided at the edge of the upper surface of the accommodating pocket, a rectangular placement groove is provided in the annular groove on one side of the accommodating pocket, one end of the rectangular placement groove passes through the annular groove, an L-shaped vertical plate is fixedly installed on the top of one side surface of the accommodating pocket, and a threaded connection section is fixedly installed in the middle part of the one side surface of the L-shaped vertical plate.

[0007] As a preferred technical solution of the present application, the outer arc surface of the threaded connection section is movably connected with a locking sleeve, the inner arc surface of the locking sleeve is threadedly connected with a hanger, and the hanger is fixedly installed with an external threaded sleeve on both sides close to the locking sleeve, and the external threaded sleeve is threadedly connected to the locking sleeve.

[0008] As a preferred technical solution of the present application, there are hanging holes on one side surface of the hanger, and the number of the hanging holes is several and distributed in a horizontal array. The hanger is placed between the rectangular placement slots, and the drying shell is movably connected to a support rack near the bottom of the supporting plate.

[0009] As a preferred technical solution of the present application, a bottom cover is movably connected to the bottom of the inner arc surface of the drying shell, and protruding platforms are provided at the blind corners of the bottom cover. The outer sides of the protruding platforms are provided with rubber and contact the inner arc surface of the drying shell.

[0010] As a preferred technical solution of the present application, a through hole is opened in the middle of the upper surface of the bottom cover, and a card slot is provided on both sides of the bottom cover close to the through hole. The inside of the card slot is movably connected with a connecting plate, and the connecting plate is a convex structure. The upper surface of the connecting plate is movably overlapped with the heater housing.

[0011] As a preferred technical solution of the present application, a blower fan is movably connected to the upper surface of the heater housing, and the blower fan is placed in the through hole of the bottom cover.

[0012] As a preferred technical solution of the present application, a dustproof net is fixedly installed on the upper surface of the bottom cover close to the fan, and the dustproof net and the fan are both placed at the bottom of the support frame.

[0013] (3) Beneficial effects

[0014] 1. Place multiple PCBA boards in the rack, and then movably insert a single PCBA board into the rectangular placement slot in the storage pocket, insert them horizontally in sequence, close the top cover, turn on the power, and the air blown out by the fan is heated by the heating wire and enters the inner cavity of the drying shell through the air inlet to dry the PCBA board. Placing PCBA boards in various forms can avoid drying a single PCBA circuit board, which reduces work efficiency.

[0015] 2. The PCBA boards that have just been washed are hung upright in the hanging holes of the hanger. Since there are several hanging holes, multiple PCBA boards can be hung in the hanger. The moisture on the washed PCBA boards is controlled to dry, and then heated together with the PCBA boards plugged into the rectangular placement slots by the heating wire. The PCBA boards placed in the holding rack can be observed after the first drying is completed. The PCBA boards that are not fully dried are placed in the storage pocket and dried together with the next batch of PCBA boards. Therefore, the cycle is repeated so that the PCBA circuit boards have enough time to dry, thereby improving the drying efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a PCBA board drying device;

[0017] Figure 2 This is a schematic diagram of a disassembled top view of a PCBA board drying device;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of a PCBA board drying device;

[0019] Figure 4 This is a schematic diagram of the bottom cross-sectional structure of a PCBA board drying device;

[0020] Figure 5 This is a partial structural diagram of a PCBA board drying device.

[0021] In the picture:

[0022] 1. Drying shell; 2. Top cover; 3. Heating wire; 4. Air outlet; 5. Sealing plywood; 6. Load-bearing plate; 7. Storage pocket; 8. Rectangular placement slot; 9. L-shaped vertical plate; 10. Threaded connection section; 11. Locking sleeve; 12. Hanging bracket; 13. External thread kit; 14. Hanging hole; 15. Support rack; 16. Bottom cover; 17. Protruding platform; 18. Connecting plate; 19. Heater shell; 20. Fan; 21. Dust screen; 22. Card slot. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] The utility model provides a PCBA board drying device, such as Figures 1 to 5As shown, the drying machine comprises a drying shell 1, the upper surface of the drying shell 1 is movably connected with a top cover 2, a cavity is provided inside the top cover 2, a heating wire 3 is fixedly installed in the cavity inside the top cover 2, an air outlet 4 is fixedly installed in the middle of the inner top wall of the top cover 2, a sealing plywood 5 is fixedly installed on the peripheral side of the top cover 2 near the air outlet 4, the outer arc surface of the sealing plywood 5 is movably sleeved to the top of the inner arc surface of the drying shell 1, a supporting plate 6 is fixedly installed on the bottom of the inner arc surface of the drying shell 1, a receiving pocket 7 is fixedly installed on the upper surface of the supporting plate 6, and a accommodating pocket 7 is opened at the edge of the upper surface of the accommodating pocket 7. There is an annular groove, and a rectangular placement groove 8 is opened in the annular groove on one side of the accommodating pocket 7. One end of the rectangular placement groove 8 passes through the annular groove. An L-shaped vertical plate 9 is fixedly installed on the top of one side surface of the accommodating pocket 7, and a threaded connection section 10 is fixedly installed in the middle of one side surface of the L-shaped vertical plate 9. The outer arc surface of the threaded connection section 10 is movably sleeved with a locking sleeve 11, and the inner arc surface of the locking sleeve 11 is threadedly connected to a hanger 12. The hanger 12 is fixedly installed with an external threaded kit 13 on both sides close to the locking sleeve 11, and the external threaded kit 13 is threadedly connected to the locking sleeve 11.

[0025] By placing multiple PCBA boards in the support rack 15, and then movably inserting a single PCBA board into the rectangular placement slot 8 in the accommodating pocket 7, and inserting them horizontally in sequence, closing the top cover 2, turning on the power, the air blown by the fan 20 is heated by the heating wire 3 and enters the inner cavity of the drying shell 1 through the air inlet to dry the PCBA boards. Placing PCBA boards in various forms can avoid drying a single PCBA circuit board, which reduces work efficiency.

[0026] There are hanging holes 14 on one side of the hanger 12. The number of hanging holes 14 is several and distributed in a horizontal array. The hanger 12 is placed between the rectangular placement slots 8. The bottom of the drying shell 1 near the bearing plate 6 is movably connected with a support frame 15. The bottom of the inner arc surface of the drying shell 1 is movably connected with a bottom cover 16. The dead corners of the bottom cover 16 are all provided with protruding platforms 17. The outer sides of the protruding platforms 17 are all provided with rubber and are in contact with the inner arc surface of the drying shell 1. A through hole is opened in the middle of the upper surface of the bottom cover 16. , both sides of the bottom cover 16 near the through hole are provided with a card slot 22, the inner part of the card slot 22 is movably connected with a connecting plate 18, the connecting plate 18 is a convex structure, the upper surface of the connecting plate 18 is movably overlapped with a heater housing 19, and the upper surface of the heater housing 19 is movably connected with a fan 20, the fan 20 is placed in the through hole of the bottom cover 16, and a dustproof net 21 is fixedly installed on the upper surface of the bottom cover 16 near the fan fan 20, and the dustproof net 21 and the fan 20 are both placed at the bottom of the support frame 15.

[0027] By hanging the PCBA board that has just been washed upright in the hanging hole 14 of the hanger 12, since there are multiple hanging holes 14, multiple PCBA boards can be hung, and the moisture on the washed PCBA board is controlled to dry, and then heated together with the PCBA board plugged into the rectangular placement groove 8 by the heating wire 3, the PCBA board placed in the holding rack 15 can be observed after the first drying is completed, and the PCBA board that is not fully dried can be placed in the receiving pocket 7 and dried together with the next batch of PCBA boards. Therefore, the cycle is repeated so that the PCBA circuit board has enough time to dry, thereby improving the drying efficiency.

[0028] Working principle: The sealing plywood 5 under the top cover 2 will seal the top of the drying shell 1, and at the same time, the bottom cover 16 fits the drying shell 1 through the protruding platforms 17 on the peripheral side. Because the outer arc surface of the protruding platforms 17 is provided with rubber, it will increase the friction with the inner wall of the drying shell 1. When drying the PCBA board, multiple PCBA boards can be placed in the support rack 15, and then a single PCBA board can be movably inserted into the rectangular placement slot 8 in the accommodating pocket 7, and inserted horizontally in turn. Close the top cover 2, turn on the power, and the air blown out by the fan 20 is heated by the heating wire 3 and enters the inner cavity of the drying shell 1 through the air inlet, thereby drying the PCBA board. During drying, the PCBA boards that have just been washed are hung in the hanging holes 14 of the hanger 12. Since there are several hanging holes 14, multiple PCBA boards can be hung in the hanger, and the moisture on the washed PCBA boards is controlled to dry. Then, the PCBA boards are heated together with the PCBA boards plugged into the rectangular placement slots 8 by the heating wire 3. The PCBA boards placed in the holding rack 15 can be observed after the first drying is completed, and the unfinished PCBA boards are placed in the receiving pocket 7 and dried together with the next batch of PCBA boards. Therefore, the cycle is repeated so that the PCBA circuit boards have enough time to dry, thereby improving the drying efficiency.

[0029] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A PCBA board drying device, comprising a drying housing (1), characterized in that: The upper surface of the drying shell (1) is movably connected with a top cover (2), the interior of the top cover (2) is provided with a cavity, a heating wire (3) is fixedly installed in the cavity inside the top cover (2), an air outlet (4) is fixedly installed in the middle of the inner top wall of the top cover (2), a sealing plywood (5) is fixedly installed on the peripheral side of the top cover (2) near the air outlet (4), the outer arc surface of the sealing plywood (5) is movably sleeved to the top of the inner arc surface of the drying shell (1), and the bottom of the inner arc surface of the drying shell (1) is fixedly installed. A carrying plate (6) is fixedly installed on the upper surface of the carrying plate (6), and a receiving pocket (7) is fixedly installed on the upper surface edge of the receiving pocket (7). A rectangular placement groove (8) is opened in the annular groove on one side of the receiving pocket (7), and one end of the rectangular placement groove (8) passes through the annular groove. An L-shaped vertical plate (9) is fixedly installed on the top of one side surface of the receiving pocket (7), and a threaded connection section (10) is fixedly installed in the middle of one side surface of the L-shaped vertical plate (9).

2. A PCBA board drying device according to claim 1, characterized in that: The outer arc surface of the threaded connection section (10) is movably sleeved with a locking sleeve (11), the inner arc surface of the locking sleeve (11) is threadedly connected to a hanger (12), and the hanger (12) is fixedly mounted with an external threaded sleeve (13) on both sides close to the locking sleeve (11), and the external threaded sleeve (13) is threadedly connected to the locking sleeve (11).

3. A PCBA board drying device according to claim 2, characterized in that: A hanging hole (14) is formed on one side surface of the hanging rack (12). The hanging holes (14) are in a plurality and are distributed in a transverse array. The hanging rack (12) is placed between the rectangular placement slots (8). The drying shell (1) is movably sleeved with a support frame (15) near the bottom of the supporting plate (6).

4. A PCBA board drying device according to claim 3, characterized in that: The bottom of the inner arc surface of the drying shell (1) is movably sleeved with a bottom cover (16), and the dead corners of the bottom cover (16) are all provided with protruding platforms (17). The outer sides of the protruding platforms (17) are all provided with rubber and are in contact with the inner arc surface of the drying shell (1).

5. A PCBA board drying device according to claim 4, characterized in that: A through hole is provided in the middle of the upper surface of the bottom cover (16), and a card slot (22) is provided on both sides of the bottom cover (16) close to the through hole. A connecting plate (18) is movably connected inside the card slot (22), and the connecting plate (18) is a convex structure. The upper surface of the connecting plate (18) is movably overlapped with a heater housing (19).

6. A PCBA board drying device according to claim 5, characterized in that: The upper surface of the heater housing (19) is movably connected to a blower fan (20), and the blower fan (20) is placed in the through hole of the bottom cover (16).

7. A PCBA board drying device according to claim 6, characterized in that: A dustproof net (21) is fixedly mounted on the upper surface of the bottom cover (16) close to the fan (20), and the dustproof net (21) and the fan (20) are both placed at the bottom of the support frame (15).

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