Circuit board drying device

Abstract

The circuit board drying device comprises a drying box device, a drying box door is rotatably connected to the left side of the drying box device, a visual window is fixedly arranged on the outer surface of the drying box door, a door handle is fixedly installed on the outer surface of the drying box door, and a movable support device is arranged in the drying box device. Six placing assemblies are fixedly arranged on the inner wall of the movable support device, heat insulation plates are fixedly installed on the left side and the right side of the inner wall of the drying box body respectively, grooves are formed in the upper end and the lower end of the inner wall of the drying box body respectively, heating plates are embedded in the grooves, and sliding grooves are formed in the positions, located on the two sides of the grooves, of the lower end of the inner wall of the drying box body respectively. According to the circuit board drying device, the heat insulation plates are fixedly installed on the left side and the right side of the inner wall of the drying box body respectively, so that the preheating and circulating time is shortened, an equipment panel is protected against high-temperature damage, more energy consumption is saved, the temperature in the box is evenly distributed, the heat insulation plates are not prone to deformation, and the service life is long.

Description

Technical Field

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

[0002] PCB circuit board (printed circuit board), also known as printed circuit board, printed circuit board, or printed board for short, is an important electronic component. It is based on an insulating board and is cut into a certain size. It has at least one conductive pattern attached to it and is provided with holes (such as component holes, fastening holes, metallized holes, etc.). It is used to replace the chassis of electronic components in the past and realize the interconnection between electronic components. It is the support body of electronic components and the carrier of electrical connection of electronic components. During the production and processing of the circuit board, after the circuit board substrate is produced, the circuit board substrate needs to be soaked and washed with water, and then dried.

[0003] Chinese patent document CN112856983A discloses a circuit board drying device, including a drying rack, a working plate, a belt linkage group, a drying plate, and a heating box arranged on the drying rack. The left and right side plates of the drying rack are respectively provided with an exhaust fan and an air outlet. The upper end of the heating box is connected with an air supply pipe, and a branch air intake pipe is connected between the air supply pipe and the exhaust fan. The belt linkage group is composed of a mounting seat, a motor, a driving wheel, a belt, a bearing, a connecting shaft, and a driven wheel. The working plate is provided with an axial hole and an annular groove, and a main shaft is rotatably inserted in the axial hole. The lower end of the main shaft is provided with a linkage wheel, which is sleeved with the belt. The upper end of the main shaft is provided with a drying plate, and the drying plate is provided with a baffle and a ball. The device realizes the simultaneous rotation drying of multiple circuit boards, thereby effectively improving the efficiency of drying the circuit boards, ensuring the stability of the circuit boards during rotation drying, and avoiding the wear of the circuit board surface caused by the metal baffle.

[0004] Although the equipment in the above-mentioned document plays a drying role, the traditional circuit board drying device is a fully enclosed type, and the internal operation process cannot be observed, resulting in great instability during use and a high scrap rate. In addition, in actual use, multiple circuit boards cannot work at the same time, and the efficiency is low. Utility Model Content

[0005] The purpose of the utility model is to provide a circuit board drying device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A circuit board drying device comprises a drying box device, wherein a drying box door is rotatably connected to the left side of the drying box device, a visual window is fixedly provided on the outer surface of the drying box door, a door handle is fixedly installed on the outer surface of the drying box door, a movable bracket device is provided inside the drying box, and six placement components are provided on the inner wall of the movable bracket device.

[0008] Preferably, the drying box device includes a drying box body, and heat insulation plates are fixedly installed on the left and right sides of the inner wall of the drying box body, grooves are respectively opened at the upper and lower ends of the inner wall of the drying box, a heating plate is embedded in the groove, and sliding grooves are respectively opened on both sides of the groove at the lower end of the inner wall of the drying box body.

[0009] Preferably, four supporting legs are fixedly provided at the lower end of the drying box, a vent is provided on the rear side of the drying box body, a blocking plate is embedded in the vent, a small hole is provided on the surface of the blocking plate, a cooling fan is fixedly provided in the vent, and the vent and the blocking plate are installed relative to each other.

[0010] Preferably, the movable bracket device includes a bracket body, and a placement cavity is opened on the left and right sides of the front side of the bracket body. Twelve L-shaped brackets are fixedly arranged on the inner wall of the bracket body, wherein two L-shaped brackets are mirror-arranged and respectively fixed on the left and right sides of the inner wall of the placement cavity, and four universal wheels are fixedly installed on the lower end of the bracket body, and the four universal wheels are slidably connected to the slide groove.

[0011] Preferably, the placement component includes an L-shaped storage plate, wherein the inner sides of two L-shaped brackets mirrored in the left and right sides of a placement cavity are movably connected to the left and right sides of the outer wall of the L-shaped storage plate, a rectangular groove is opened on the outer surface of the L-shaped storage plate, and a U-shaped groove is opened on the front side of the L-shaped storage plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model has a viewing window, through which the inside situation can be observed during operation, so as to dry the surface of the circuit board, avoid damaging the circuit board, and help improve the efficiency and quality of drying the circuit board.

[0014] 2. The utility model can simultaneously dry a large number of circuit boards by means of the movable bracket device, and the use efficiency is higher than that of the traditional circuit drying device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the movable bracket device of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the drying box device of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the components of the utility model.

[0019] In the figure: 1. Drying box device; 11. Drying box body; 12. Heat insulation board; 13. Groove; 14. Heating plate; 15. Slide; 16. Ventilation port; 17. Blocking plate; 18. Cooling fan; 19. Support leg; 2. Drying box door; 3. Door handle; 4. Visual window; 5. Movable bracket device; 51. Bracket body; 52. Universal wheel; 53. L-shaped bracket; 6. Placement component; 61. L-shaped storage board; 62. Rectangular groove; 63. U-shaped groove. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1 The utility model provides a technical solution: a circuit board drying device, including a drying box device 1, a drying box door 2 is rotatably connected to the left side of the drying box device 1, a visual window 4 is fixedly arranged on the outer surface of the drying box door 2, during the drying process, the situation inside the box can be observed through the visual window 4, a door handle 3 is fixedly installed on the outer surface of the drying box door 2, a movable bracket device 5 is arranged inside the drying box device 1, and six placement components 6 are fixedly arranged on the inner wall of the movable bracket device 5.

[0022] like Figure 3 As shown, the drying box device 1 includes a drying box body 11, and heat insulation plates 12 are fixedly installed on the left and right sides of the inner wall of the drying box body 11. In order to reduce the preheating and cycle time, protect the equipment panel from high temperature damage, save energy, make the temperature distribution in the box uniform, the heat insulation plate is not easy to deform, and has a long service life, grooves 13 are respectively opened at the upper and lower ends of the inner wall of the drying box body 11, and heating plates 14 are embedded in the grooves 13. The two heating plates 14 are installed up and down to quickly heat the box and play a role in rapid drying. The lower end of the inner wall of the heating and drying box body 11 is located on both sides of the groove 13 and slide grooves 15 are respectively opened.

[0023] like Figure 3As shown, four supporting legs 19 are fixedly provided at the lower end of the drying box body 11, and a vent 16 is provided at the rear side of the drying box body 11, so that the water vapor inside can be discharged from the box in time through the vent to avoid secondary moisture of the circuit board. A blocking plate 17 is embedded in the vent 16. In order to prevent foreign debris from falling into the box and damaging the equipment during operation, a small hole is provided on the surface of the blocking plate 17 to allow wind to be discharged from the small hole in time. A cooling fan 18 is fixedly provided in the vent 16 to protect the machine from damage caused by overheating. The vent 16 and the blocking plate 17 are installed relative to each other.

[0024] like Figure 2 As shown, the movable bracket device 5 includes a bracket body 51, and a placement cavity is opened on the left and right sides of the front of the bracket body 51. Twelve L-shaped brackets 53 are fixedly set on the inner wall of the bracket body 51, wherein two L-shaped brackets 53 are mirror-set and fixed on the left and right sides of the inner wall of the placement cavity respectively. The L-shaped brackets 53 bear a larger gravity, so that the position of the equipment can be more accurately controlled. Four universal wheels 52 are fixedly installed on the lower end of the bracket body 51, and the four universal wheels 52 are slidably connected to the slide groove 15, which is convenient for the movement and operation of objects and improves the working efficiency of the equipment.

[0025] like Figure 4 As shown, the placement component 6 includes an L-shaped storage plate 61, in which the inner sides of two L-shaped brackets 53 mirror-set on the left and right sides of a placement cavity are movably connected to the left and right sides of the outer wall of the L-shaped storage plate 61, and a rectangular groove 62 is provided on the outer surface of the L-shaped storage plate 61. The L-shaped storage plate 61 is configured to make the placed circuit board more stable. A U-shaped groove 63 is provided on the front side of the L-shaped storage plate 61, and the U-shaped groove 63 is convenient for taking and placing the L-shaped storage plate 61.

[0026] Working principle: Pull out the movable bracket device 5, take out the L-shaped storage plate 61, put the circuit board into the rectangular groove 62 and fix it, then put the L-shaped storage plate 61 on the L-shaped bracket 53, and then push the movable bracket device 5 into the drying box, close the drying box door 2, and observe the situation inside through the visual window 4. When the heating plate 14 is working, the cooling fan 18 rotates to discharge the water vapor in the box, completing the drying work of the circuit board.

[0027] 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 device (1), Features: The left side of the drying box device (1) is rotatably connected to a drying box door (2); a visual window (4) is fixedly provided on the outer surface of the drying box door (2); a door handle (3) is fixedly installed on the outer surface of the drying box door (2); a movable bracket device (5) is provided inside the drying box device (1); and six placement components (6) are fixedly provided on the inner wall of the movable bracket device (5).

2. A circuit board drying device according to claim 1, Features: The drying box device (1) comprises a drying box body (11), and heat insulation plates (12) are fixedly installed on the left and right sides of the inner wall of the drying box body (11), and grooves (13) are respectively provided at the upper and lower ends of the inner wall of the drying box body (11), and a heating plate (14) is embedded in the groove (13). The lower end of the inner wall of the drying box body (11) is provided with sliding grooves (15) on both sides of the groove (13).

3. A circuit board drying device according to claim 2, Features: Four supporting legs (19) are fixedly arranged at the lower end of the drying box body (11); a vent (16) is provided at the rear side of the drying box; a blocking plate (17) is embedded in the vent (16); a small hole is provided on the surface of the blocking plate (17); a cooling fan (18) is fixedly arranged in the vent (16); and the vent (16) and the blocking plate (17) are installed relative to each other.

4. A circuit board drying device according to claim 1, Features: The movable bracket device (5) comprises a bracket body (51), the front left and right sides of the bracket body (51) are provided with placement cavities, the inner wall of the bracket body (51) is fixedly provided with twelve L-shaped brackets (53), wherein two L-shaped brackets (53) are mirror-imaged and respectively fixed on the left and right sides of the inner wall of the placement cavity, and the lower end of the bracket body (51) is fixedly provided with four universal wheels (52), and the four universal wheels (52) are slidably connected to the slide groove (15).

5. A circuit board drying device according to claim 4, Features: The placement assembly (6) comprises an L-shaped storage plate (61), wherein the inner sides of two L-shaped brackets (53) arranged in a mirror image on the left and right sides of a placement cavity are movably connected to the left and right sides of the outer wall of the L-shaped storage plate (61), the outer surface of the L-shaped storage plate (61) is provided with a rectangular groove (62), and the front side of the L-shaped storage plate (61) is provided with a U-shaped groove (63).

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