Drying device for printed circuit board processing

Abstract

The utility model discloses a drying device for processing a printed circuit board, which comprises a drying box arranged above a device main body, a heating plate is arranged in the drying box, and an air blower is arranged at the upper end of the drying box; the mounting groove is formed in the upper end of the device main body, a storage plate is arranged in the mounting groove, mounting frames are arranged above the storage plate, clamping frames are arranged on the inner sides of the two mounting frames, electric push rods are arranged between the clamping frames and the mounting frames, first motors are arranged at the lower ends of the two mounting frames, and the first motors are arranged at the lower ends of the first motors. According to the drying device, the printed circuit board is clamped and fixed in a suspended mode firstly, the clamped printed circuit board is fed into the drying box to make contact with hot air to achieve drying, the printed circuit board is turned over to make full contact with the hot air during drying, and drying of the printed circuit board is completed more quickly; and the drying efficiency of the printed circuit board is improved.

Description

Technical Field

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

[0002] Printed circuit boards are important electronic components, supporting electronic components and serving as carriers for electrical connections of electronic components. The design of printed circuit boards is mainly layout design. The main advantage of using printed circuit boards is that they greatly reduce wiring and assembly errors, improve the level of automation and production labor rate. Printed circuit boards need to be dried during processing.

[0003] The Chinese patent publication number is CN218781591U, and the authorization announcement date is March 31, 2023. A drying device for printed circuit board processing includes an operating table, an installation box and a conveying mechanism are arranged on the operating table, a clamping mechanism is arranged on the outside of the conveying mechanism, and a drying mechanism is arranged on the top of the installation box. The drying mechanism includes a drying box, an air guide plate, a drying fan, a heating plate, a ventilation fan, a ventilation grille, a temperature and humidity sensor and a controller; by providing a drying mechanism, the drying fan blows hot air to the circuit board through the heating plate, the temperature and humidity sensor detects the temperature and humidity around the circuit board, and the clamping mechanism detects the temperature of the circuit board position. The controller adjusts the speed of the drying fan and the heat of the heating plate to control the drying temperature of the circuit board at the most suitable level, thereby avoiding damage to the circuit board caused by excessive drying temperature. At the same time, the efficiency of the drying operation is improved, thereby improving the intelligence of the device.

[0004] The existing printed circuit board is dried by placing it flat on a storage table and then sending it into a drying box, and drying is achieved by using hot air to contact the printed circuit board. When the lower end of the printed circuit board contacts the storage table, it cannot be fully contacted with the hot air, which will make the lower end of the printed circuit board incompletely dried, reduce the drying effect of the printed circuit board, and cannot meet the use requirements. Utility Model Content

[0005] The utility model aims to provide a drying device for printed circuit board processing, so as to solve the problem proposed in the above background technology that the existing printed circuit boards are dried by placing them flat on a storage table and then sending them into a drying box, and drying them by utilizing hot air to contact with the printed circuit boards. When the lower end of the printed circuit boards contacts the storage table, the hot air cannot be fully contacted, which will make the lower end of the printed circuit boards not dried thoroughly, reduce the drying effect of the printed circuit boards, and fail to meet the use requirements.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a drying device for printed circuit board processing, comprising a device body, and also comprising:

[0007] A drying oven is arranged above the device main body and is fixedly connected to the device main body. A heating plate is arranged inside the drying oven and is fixedly connected to the drying oven. A blower is arranged at the upper end of the drying oven and is fixedly connected to the drying oven. The blower is arranged above the heating plate. Two air-permeable grilles are arranged on both sides of the drying oven, and the air-permeable grilles are connected to the drying oven by screws. Support legs are arranged below the device main body. An electric control cabinet is arranged on one side of the device main body, and the support legs and the electric control cabinet are both fixedly connected to the device main body;

[0008] An installation groove is arranged at the upper end of the device main body. A storage plate is arranged inside the installation groove and is slidably connected to the device main body. An installation frame is arranged above the storage plate. There are two installation frames, and the installation frames are fixedly connected to the storage plate. Clamping frames are arranged on the inner sides of the two installation frames. An electric push rod is arranged between the clamping frame and the installation frame, and the electric push rod is fixedly connected to the clamping frame. The electric push rod is rotatably connected to the installation frame. First motors are arranged at the lower ends of the two installation frames, and the first motors are connected to the installation frames by screws. A pulley transmission mechanism is arranged inside the two installation frames, and the pulley transmission mechanism is connected to the output end of the first motor and the outside of the electric push rod.

[0009] Preferably, an opening groove is arranged on the clamping frame, and the opening groove is arranged in a U shape. A sponge pad is arranged inside the opening groove, and the sponge pad is integrally connected to the clamping frame.

[0010] Preferably, a heat insulation curtain is arranged on one side of the drying oven, and the heat insulation curtain is connected to the drying oven by screws. A temperature sensor is arranged on one side of the drying oven, and the temperature sensor is integrally connected to the drying oven.

[0011] Preferably, a sliding groove is arranged at the bottom of the installation groove. A sliding block is arranged inside the sliding groove and is slidably connected to the device main body. The sliding block is fixedly connected to the lower end of the storage plate. A second motor is arranged on one side of the device main body, and the second motor is connected to the device main body by screws. A lead screw is arranged inside the sliding groove, and one end of the lead screw is connected to the output end of the second motor. The lead screw penetrates through the sliding block, and the lead screw is threadedly connected to the sliding block and is rotatably connected to the device main body.

[0012] Preferably, rolling grooves are arranged on the inner walls of the installation groove. Ball bearings are arranged on both sides of the storage plate. One end of the ball bearings extends into the rolling grooves, and the ball bearings are in rolling connection with the device main body and the storage plate.

[0013] Preferably, a water collecting box is provided on one side of the drying box, and the water collecting box is snap-connected to the drying box, a condensation plate is provided on the top of the drying box, and the condensation plate is fixedly connected to the drying box, the condensation plate is arranged at an angle, and one end of the condensation plate passes through the drying box and extends to the interior of the water collecting box.

[0014] Preferably, a reserved cavity is provided inside the storage plate, a metal mesh plate is provided at the upper end of the reserved cavity, and the metal mesh plate is fixedly connected to the storage plate, a drainage hole is provided on one side of the storage plate, and the drainage hole is connected to the reserved cavity.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model device is provided with a drying box, a heating plate, a blower, a clamping frame, an electric push rod, a first motor, and a pulley transmission mechanism. The electric push rod drives the clamping frame to move, and the printed circuit board is clamped and fixed by the clamping frame. The first motor drives the pulley transmission mechanism to move, and the clamped printed circuit board is turned over with the movement of the pulley transmission mechanism. The heating plate heats the inner space of the drying box, and the hot air contacts with the printed circuit board to realize drying. The blower is turned on to extract air and send it into the drying box, so as to accelerate the flow of hot air in the drying box, so that the printed circuit board is fully contacted with the hot air, and the printed circuit board is dried better.

[0017] The utility model device is provided with a slide groove, a second motor, a screw rod and a slider. The second motor drives the screw rod to rotate. The screw rod is threadedly connected with the slider. As the screw rod rotates, the slider is driven to slide along the slide groove, thereby driving the storage plate to move telescopically, and the clamped printed circuit board is sent into the drying box, and the dried printed circuit board is taken out of the drying box.

[0018] The utility model device is provided with a water collecting box, a condensation plate, a reserved cavity and a drainage hole. The condensation plate condenses the steam in the drying box into water droplets, and the water droplets drip along the condensation plate to be collected in the water collecting box. Discharging the steam in the drying box is beneficial to the drying of the printed circuit board. The reserved cavity collects the water dripping from the drying of the printed circuit board, and the water collected in the reserved cavity is discharged with the help of the drainage hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a structural diagram of the connection between the storage plate and the device body of the utility model;

[0021] Figure 3 This is a cross-sectional view of a drying box of the utility model;

[0022] Figure 4 This is a diagram showing the connection relationship between the storage plate, the device body and the mounting frame of the utility model.

[0023] In the figure: 1. device body; 2. support legs; 3. electric control cabinet; 4. drying box; 5. blower; 6. water collecting box; 7. temperature sensor; 8. ventilation grille; 9. heat insulation curtain; 10. storage board; 11. mounting frame; 12. clamping frame; 13. drainage hole; 14. mounting groove; 15. electric push rod; 16. first motor; 17. metal mesh plate; 18. ball bearing; 19. slide groove; 20. second motor; 21. screw rod; 22. heating plate; 23. condensation plate; 24. pulley transmission mechanism; 25. opening groove; 26. sponge pad; 27. rolling groove; 28. slider; 29. ​​reserved cavity. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] See also Figure 1-4 The utility model provides an embodiment: a drying device for printed circuit board processing, including a device body 1, and also including:

[0026] A drying box 4 is arranged above the device body 1, and the drying box 4 is fixedly connected to the device body 1. A heating plate 22 is arranged inside the drying box 4, and the heating plate 22 is fixedly connected to the drying box 4. A blower 5 is arranged at the upper end of the drying box 4, and the blower 5 is fixedly connected to the drying box 4. The blower 5 is arranged above the heating plate 22. Air-permeable grilles 8 are arranged on both sides of the drying box 4. There are two air-permeable grilles 8, and the air-permeable grilles 8 are connected to the drying box 4 by screws. A supporting leg 2 is arranged below the device body 1, and an electric control cabinet 3 is arranged on one side of the device body 1, and the supporting leg 2 and the electric control cabinet 3 are fixedly connected to the device body 1;

[0027] The mounting groove 14 is arranged at the upper end of the device body 1, and a storage plate 10 is arranged inside the mounting groove 14, and the storage plate 10 is slidably connected to the device body 1, and a mounting frame 11 is arranged above the storage plate 10, and two mounting frames 11 are provided, and the mounting frames 11 are fixedly connected to the storage plate 10, and a clamping frame 12 is arranged on the inner side of the two mounting frames 11, and an electric push rod 15 is arranged between the clamping frame 12 and the mounting frame 11, and the electric push rod 15 is fixedly connected to the clamping frame 12, and the electric push rod 15 is rotatably connected to the mounting frame 11, and a first motor 16 is arranged at the lower end of the two mounting frames 11, and the first motor 16 is connected to the mounting frame 11 by screws, and a pulley transmission mechanism 24 is arranged inside the two mounting frames 11, and the pulley transmission mechanism 24 is connected to the output end of the first motor 16 and the outside of the electric push rod 15.

[0028] When in use: place the printed circuit board between the two clamping frames 12, drive the electric push rod 15 to drive the clamping frames 12 to move, clamp and fix the printed circuit board through the clamping frames 12, push the storage plate 10 to send the clamped printed circuit board into the drying box 4, turn on the heating plate 22 to heat the internal space of the drying box 4, and the hot air contacts the printed circuit board to achieve drying, turn on the blower 5 to extract air and send it into the drying box 4, accelerate the flow of hot air in the drying box 4, turn on the first motor 16 to drive the pulley transmission mechanism 24, and drive the clamped printed circuit board to flip in the drying box 4 with the transmission of the pulley transmission mechanism 24, so that the printed circuit board is fully in contact with the hot air, and the printed circuit board is better dried.

[0029] See also Figure 1 , Figure 2 and Figure 4 An opening groove 25 is provided on the clamping frame 12, and the opening groove 25 is U-shaped. A sponge pad 26 is provided inside the opening groove 25, and the sponge pad 26 is connected to the clamping frame 12 as a whole. The printed circuit board can be better clamped through the opening groove 25, and printed circuit boards of different thicknesses can be clamped and fixed conveniently. The sponge pad 26 plays a protective role on the clamped printed circuit board.

[0030] See also Figure 1 A heat insulation curtain 9 is provided on one side of the drying box 4, and the heat insulation curtain 9 is connected to the drying box 4 by screws. A temperature sensor 7 is provided on one side of the drying box 4, and the temperature sensor 7 is connected to the drying box 4 as a whole. The heat insulation curtain 9 can facilitate the clamped printed circuit board to be sent into the drying box 4 and reduce heat loss. The temperature sensor 7 measures the temperature in the drying box 4 to control the drying temperature of the printed circuit board.

[0031] See also Figure 1 , Figure 2 and Figure 4 A slide groove 19 is provided at the bottom of the mounting groove 14, a slider 28 is provided inside the slide groove 19, and the slider 28 is slidably connected to the device body 1, and the slider 28 is fixedly connected to the lower end of the storage plate 10, and a second motor 20 is provided on one side of the device body 1, and the second motor 20 is connected to the device body 1 by screws, a screw rod 21 is provided inside the slide groove 19, and one end of the screw rod 21 is connected to the output end of the second motor 20, the screw rod 21 and the slider 28 are through-set, the screw rod 21 is threadedly connected to the slider 28, and the screw rod 21 is rotatably connected to the device body 1, and the screw rod 21 is driven to rotate by the second motor 20, and the screw rod 21 is threadedly connected to the slider 28. As the screw rod 21 rotates, the slider 28 is driven to slide along the slide groove 19, thereby driving the storage plate 10 to telescopically move, and the clamped printed circuit board is sent into the drying box 4, and the dried printed circuit board is taken out of the drying box 4.

[0032] See also Figure 1, Figure 2 and Figure 4 A rolling groove 27 is provided on the inner wall of the mounting groove 14, and balls 18 are provided on both sides of the storage plate 10. One end of the ball 18 extends into the inside of the rolling groove 27, and the ball 18 is rollingly connected with the device body 1 and the storage plate 10. The rolling groove 27 and the ball 18 play a guiding and limiting role for the moving storage plate 10, and can also reduce the movement resistance of the storage plate 10.

[0033] See also Figure 1 and Figure 3 A water collecting box 6 is provided on one side of the drying box 4, and the water collecting box 6 is snap-connected with the drying box 4. A condensation plate 23 is provided on the top of the drying box 4, and the condensation plate 23 is fixedly connected with the drying box 4. The condensation plate 23 is tilted, and one end of the condensation plate 23 passes through the drying box 4 and extends to the inside of the water collecting box 6. The steam in the drying box 4 is condensed into water droplets through the condensation plate 23, and the water droplets drip along the condensation plate 23 into the water collecting box 6 for collection. Discharging the steam in the drying box 4 is beneficial to the drying of the printed circuit board.

[0034] See also Figure 1 , Figure 2 and Figure 4 A reserved cavity 29 is provided inside the storage plate 10, a metal mesh plate 17 is provided at the upper end of the reserved cavity 29, and the metal mesh plate 17 is fixedly connected to the storage plate 10, a drainage hole 13 is provided on one side of the storage plate 10, and the drainage hole 13 is connected to the reserved cavity 29, the water dripping from the drying of the printed circuit board is collected through the metal mesh plate 17 and the reserved cavity 29, and the water collected in the reserved cavity 29 is discharged with the help of the drainage hole 13.

[0035] Working principle: Place the printed circuit board between the two clamping frames 12, drive the electric push rod 15 to drive the clamping frame 12 to move, insert the two ends of the printed circuit board into the opening grooves 25, clamp the printed circuit board through the clamping frame 12, turn on the second motor 20 to drive the screw rod 21 to rotate clockwise, and drive the placement plate 10 to move with the rotation of the screw rod 21, and send the clamped printed circuit board into the drying box 4, turn on the heating plate 22 to heat the internal space of the drying box 4, and the hot air contacts the printed circuit board to achieve drying, turn on the blower 5 to extract air and send it into the drying box 4, accelerate the flow of hot air in the drying box 4, and turn on the first The motor 16 drives the pulley transmission mechanism 24 to transmit, and the clamped printed circuit board is turned over in the drying box 4 with the transmission of the pulley transmission mechanism 24, so that the printed circuit board is fully in contact with the hot air, and the printed circuit board is better dried; after the drying is completed, the second motor 20 is turned on to drive the screw rod 21 to rotate counterclockwise, and the rotation of the screw rod 21 drives the storage plate 10 to move, and the dried printed circuit board is removed from the drying box 4; the condensation plate 23 condenses the steam in the drying box 4 into water droplets, and the water droplets drip along the condensation plate 23 into the water collecting box 6 for collection, and discharging the steam in the drying box 4 is beneficial to the drying of the printed circuit board.

[0036] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0037] 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 drying device for printed circuit board processing, comprising a device body (1), characterized in that: Also includes: A drying box (4) is arranged above the device body (1), and the drying box (4) is fixedly connected to the device body (1); a heating plate (22) is arranged inside the drying box (4), and the heating plate (22) is fixedly connected to the drying box (4); a blower (5) is arranged at the upper end of the drying box (4), and the blower (5) is fixedly connected to the drying box (4); the blower (5) is arranged above the heating plate (22); ventilation grilles (8) are arranged on both sides of the drying box (4), two ventilation grilles (8) are arranged, and the ventilation grilles (8) are connected to the drying box (4) by screws; a supporting leg (2) is arranged below the device body (1); an electric control cabinet (3) is arranged on one side of the device body (1), and the supporting leg (2) and the electric control cabinet (3) are fixedly connected to the device body (1); The mounting groove (14) is arranged at the upper end of the device body (1); a storage plate (10) is arranged inside the mounting groove (14); the storage plate (10) is slidably connected to the device body (1); a mounting frame (11) is arranged above the storage plate (10); two mounting frames (11) are provided, and the mounting frames (11) are fixedly connected to the storage plate (10); a clamping frame (12) is arranged on the inner side of each of the two mounting frames (11); a support frame (12) is arranged between the clamping frame (12) and the mounting frame (11); An electric push rod (15) is arranged, and the electric push rod (15) is fixedly connected to the clamping frame (12), the electric push rod (15) is rotatably connected to the mounting frame (11), the lower ends of the two mounting frames (11) are provided with a first motor (16), and the first motor (16) is connected to the mounting frame (11) by screws, and the interior of the two mounting frames (11) is provided with a pulley transmission mechanism (24), and the pulley transmission mechanism (24) is connected to the output end of the first motor (16) and the outside of the electric push rod (15).

2. A drying device for printed circuit board processing according to claim 1, characterized in that: The clamping frame (12) is provided with an open groove (25), and the open groove (25) is arranged in a U shape. A sponge pad (26) is arranged inside the open groove (25), and the sponge pad (26) and the clamping frame (12) are connected as a whole.

3. A drying device for printed circuit board processing according to claim 1, characterized in that: A heat insulation curtain (9) is provided on one side of the drying box (4), and the heat insulation curtain (9) is connected to the drying box (4) via screws; a temperature sensor (7) is provided on one side of the drying box (4), and the temperature sensor (7) is connected to the drying box (4) as a whole.

4. A drying device for printed circuit board processing according to claim 1, characterized in that: A slide groove (19) is provided at the bottom of the installation groove (14), a slider (28) is provided inside the slide groove (19), and the slider (28) is slidably connected to the device body (1), the slider (28) is fixedly connected to the lower end of the storage plate (10), a second motor (20) is provided on one side of the device body (1), and the second motor (20) is connected to the device body (1) by screws, a screw rod (21) is provided inside the slide groove (19), and one end of the screw rod (21) is connected to the output end of the second motor (20), the screw rod (21) and the slider (28) are arranged in a through manner, the screw rod (21) is threadedly connected to the slider (28), and the screw rod (21) is rotatably connected to the device body (1).

5. A drying device for printed circuit board processing according to claim 4, characterized in that: A rolling groove (27) is provided on the inner wall of the mounting groove (14), and balls (18) are provided on both sides of the storage plate (10), one end of the ball (18) extends into the interior of the rolling groove (27), and the ball (18) is rollingly connected to the device body (1) and the storage plate (10).

6. A drying device for printed circuit board processing according to claim 1, characterized in that: A water collecting box (6) is provided on one side of the drying box (4), and the water collecting box (6) is snap-connected to the drying box (4); a condensation plate (23) is provided on the top of the drying box (4), and the condensation plate (23) is fixedly connected to the drying box (4); the condensation plate (23) is arranged at an angle, and one end of the condensation plate (23) passes through the drying box (4) and extends to the interior of the water collecting box (6).

7. A drying device for printed circuit board processing according to claim 1, characterized in that: A reserved cavity (29) is provided inside the storage plate (10), a metal mesh plate (17) is provided at the upper end of the reserved cavity (29), and the metal mesh plate (17) is fixedly connected to the storage plate (10), and a drainage hole (13) is provided on one side of the storage plate (10), and the drainage hole (13) is connected to the reserved cavity (29).

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