Drying device for circuit board processing

Abstract

The utility model discloses a drying device for circuit board processing, and relates to the technical field of circuit board processing. The drying device comprises a conveying mechanism and a drying tunnel arranged above the conveying mechanism in a covering mode. The conveying mechanism is also provided with a drying bracket for carrying a circuit board; the drying bracket comprises a bottom plate, the two ends of the bottom plate are each provided with a support composed of a supporting column and a cross beam, a pair of cross rods are connected between the two cross beams located at the same height, and a plurality of U-shaped positioning clamping plates are fixed to the inner side walls of the cross rods. And the two sides of the circuit board are respectively clamped in the U-shaped positioning clamping plates. According to the circuit board drying device, the circuit boards to be dried are placed on the drying bracket, the conveying mechanism is used for driving the drying bracket to penetrate through the drying tunnel, then the multiple circuit boards are dried in one operation, and the drying effect of each circuit board is the same.

Description

Technical Field

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

[0002] After the processing of the circuit board is completed, the paint and moisture on the surface must be dried using a drying device. For example, a circuit board drying device disclosed in CN219103510U includes a box body, a mounting frame is vertically provided on the side of the box body, a fan is provided on the mounting frame, a heating wire is provided on the air outlet side of the fan, a vertically installed ventilation plate is provided on the other side of the heating wire, a drying lamp is provided on the top of the box body, and a plurality of placement racks are provided under the drying lamp. In this method, the circuit board is placed on the placement rack for drying. It can be known that there is a problem in this method that a single drying operation can only complete the drying of a small number of circuit boards. Utility Model Content

[0003] The utility model aims to provide a drying device for circuit board processing, which solves the problem in the prior art that a single drying operation can only dry a small number of circuit boards by placing the circuit boards to be dried on a drying bracket and then using a conveying mechanism to drive the drying bracket through a drying tunnel.

[0004] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0005] The utility model is a drying device for processing circuit boards, comprising a conveying mechanism and a drying tunnel covered above the conveying mechanism; a drying bracket for carrying circuit boards is also arranged on the conveying mechanism; the drying bracket comprises a bottom plate, two ends of the bottom plate are respectively provided with a bracket consisting of a support and a cross beam, a pair of cross bars are connected between the two cross beams located at the same height, and a plurality of U-shaped positioning clamping plates are fixed to the inner side walls of the cross bars; the two sides of the circuit board are respectively clamped in the U-shaped positioning clamping plates.

[0006] Furthermore, rectangular through holes are provided at both ends of the crossbeam, rectangular insertion holes are provided at the ends of the crossbar, and threaded holes are provided on the bottom surfaces of the rectangular insertion holes; a rectangular support rod is also provided that passes through the rectangular through hole and is inserted into the rectangular insertion hole, and a through hole is provided along the length direction of the rectangular support rod; during installation and use, a bolt movably passes through the through hole and is threadedly connected to the threaded hole.

[0007] Furthermore, a pad is arranged between the bolt and the rectangular support rod, and the pad is clamped at the rectangular through hole; and a through hole for the bolt to movably pass through is arranged on the pad.

[0008] Furthermore, the inner side wall of the pad is provided with a pair of ridges, and the outer side wall of the ridges is provided with an elastic deformation layer, and the elastic deformation layer is a foam layer, a rubber layer or a sponge layer.

[0009] Furthermore, a support rod is disposed on the upper surface of the bottom plate, a rubber flexible layer is disposed on the upper surface of the support rod, and the support rod contacts one end surface of the circuit board, and the length direction of the support rod is perpendicular to a surface of the circuit board.

[0010] Furthermore, an air inlet and an air outlet are respectively arranged on the two side walls of the drying tunnel.

[0011] Furthermore, one side wall of the drying tunnel is sequentially provided with a first air inlet structure and a first air outlet structure along the conveying direction of the conveying mechanism; the other side wall of the drying tunnel is sequentially provided with a second air outlet structure and a second air inlet structure along the conveying direction of the conveying mechanism.

[0012] Furthermore, the first air inlet structure and the first air outlet structure respectively include a plurality of first air inlet pipes and a plurality of first air outlet pipes arranged along the conveying direction of the conveying mechanism, and the second air outlet structure and the second air inlet structure respectively include a plurality of second air outlet pipes and a plurality of second air inlet pipes arranged along the conveying direction of the conveying mechanism.

[0013] The utility model has the following beneficial effects:

[0014] The utility model places the circuit boards to be dried on the drying bracket, and then uses the conveying mechanism to drive the drying bracket to pass through the drying tunnel, thereby completing the drying of multiple circuit boards in one operation, and the drying effect of each circuit board is the same.

[0015] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 This is a top view of the drying device of the utility model;

[0018] Figure 2 This is the front view of the drying device of the utility model;

[0019] Figure 3 The utility model is a schematic diagram of the drying bracket structure Figure 1 ;

[0020] Figure 4 The utility model is a schematic diagram of the drying bracket structure Figure 2 ;

[0021] Figure 5 for Figure 4 A partial enlarged view of the middle part;

[0022] Figure 6 This is a schematic diagram of the structure of the pad of the utility model. DETAILED DESCRIPTION

[0023] 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 of 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.

[0024] In the description of the present invention, it should be understood that terms such as "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "all around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0025] The utility model provides a drying device for processing circuit boards, which aims to dry a plurality of circuit boards simultaneously in one drying operation, thereby improving the drying efficiency and reducing the energy consumption of drying.

[0026] like Figure 1-2 That is, the drying device includes a conveying mechanism 1 and a drying tunnel 3 covered above the conveying mechanism 1. When in use, a drying bracket 2 carrying multiple circuit boards 100 is placed on the conveying mechanism 1, and the conveying function of the conveying mechanism 1 is used to control the drying bracket 2 carrying the circuit boards 100 to pass through the drying tunnel 3 as a whole, and the circuit boards 100 are dried inside the drying tunnel 3.

[0027] Specifically, Figure 3 When in use, it is convenient to use the drying bracket 2 to carry the circuit board 100. The drying bracket 2 in the present application includes a bottom plate 20, and a bracket consisting of a pillar 21 and a crossbeam 24 is respectively arranged at both ends of the bottom plate 20. A pair of cross bars 22 are connected between the two cross beams 24 at the same height, and a plurality of U-shaped positioning clamps 23 are fixed to the inner side walls of the cross bars 22; the two sides of the circuit board 100 are respectively clamped in the U-shaped positioning clamps 23.

[0028] Of course, on the basis of the above, if Figure 4-5In order to facilitate the use of the U-shaped positioning card plate 23 to limit the support of the circuit board 100, it is necessary to control the two sides of the circuit board 100 to be respectively clamped in the U-shaped positioning card plate 23; in actual production, there are circuit boards 100 of different sizes. In order to enable the drying bracket 2 to carry circuit boards 100 of various sizes, rectangular through holes 241 are provided at both ends of the crossbeam 24 in the present application, and rectangular insertion holes are provided at the ends of the crossbar 22, and threaded holes are provided on the bottom surfaces of the rectangular insertion holes; it also includes a rectangular support rod 221 that passes through the rectangular through hole 241 and is inserted into the rectangular insertion hole, and the rectangular support rod 221 is provided with through holes along its length direction; during installation and use, a bolt 223 movably passes through the through hole and is threadedly connected to the threaded hole. By using the above-mentioned structure, the gap between the two crossbars 22 can be adjusted according to needs during use, thereby completing the adjustment of the size of the corresponding circuit board 100.

[0029] On the basis of the above, if Figure 6 A pad 222 is also arranged between the bolt 223 and the rectangular support rod 221, and the pad 222 is stuck in the rectangular through hole 241; and a through hole for the bolt 223 to move through is arranged on the pad 222, and at the same time, in order to facilitate the installation of the pad 222, a pair of ridges 224 are arranged on the inner wall of the pad 222, and an elastic deformation layer 225 is arranged on the outer wall of the ridge 224, and the elastic deformation layer 225 is a foam layer.

[0030] Similarly, if Figure 3-4 In order to facilitate the mounting and supporting of the circuit board 100, a support rod 25 is provided on the upper surface of the base plate 20, a rubber flexible layer is provided on the upper surface of the support rod 25, and the support rod 25 contacts one end surface of the circuit board 100, and the length direction of the support rod 25 is perpendicular to one surface of the circuit board 100.

[0031] In a specific embodiment, in order to dry the circuit board 100 passing through the drying tunnel 3, an air inlet and an air outlet are respectively set on the two side walls of the drying tunnel 3. When in use, hot air is blown into the drying tunnel 3 through the air inlet, and the hot air is used to remove moisture on the surface of the circuit board 100 for drying; of course, in order to improve the drying effect, a drying lamp can be set at the top of the drying tunnel 3.

[0032] In a possible implementation, Figure 1-2In order to ensure that the drying effects on both sides of the circuit board 100 are equivalent, in this embodiment, a first air inlet structure and a first air outlet structure are sequentially arranged on one side wall of the drying tunnel 3 along the conveying direction of the conveying mechanism 1; a second air outlet structure and a second air inlet structure are sequentially arranged on the other side wall of the drying tunnel 3 along the conveying direction of the conveying mechanism 1; the first air inlet structure and the first air outlet structure respectively include a plurality of first air inlet pipes 31 and a plurality of first air outlet pipes 34 arranged along the conveying direction of the conveying mechanism 1, and the second air outlet structure and the second air inlet structure respectively include a plurality of second air outlet pipes 33 and a plurality of second air inlet pipes 32 arranged along the conveying direction of the conveying mechanism 1; when drying, the first air inlet structure and the second air inlet structure are used to blow hot air into the drying tunnel 3, and the first air inlet structure and the second air inlet structure are arranged on both sides of the drying tunnel 3, thereby completing the drying of both sides of the circuit board 100, and improving the uniformity of drying as a whole.

[0033] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A drying device for circuit board processing, characterized in that: It comprises a conveying mechanism (1) and a drying tunnel (3) which is arranged above the conveying mechanism (1); The conveying mechanism (1) is also provided with a drying bracket (2) carrying the circuit board (100); The drying bracket (2) comprises a bottom plate (20), and a bracket consisting of a support column (21) and a cross beam (24) is respectively arranged at both ends of the bottom plate (20), a pair of cross bars (22) is connected between the two cross beams (24) located at the same height, and a plurality of U-shaped positioning clamping plates (23) are fixed to the inner side walls of the cross bars (22); Both sides of the circuit board (100) are respectively clamped in the U-shaped positioning clamping plate (23).

2. A drying device for circuit board processing according to claim 1, characterized in that: Rectangular through holes (241) are provided at both ends of the crossbeam (24), a rectangular insertion hole is provided at the end of the crossbar (22), and a threaded hole is provided on the bottom surface of the rectangular insertion hole; It also includes a rectangular support rod (221) that passes through the rectangular through hole (241) and is inserted into the rectangular insertion hole, wherein the rectangular support rod (221) is provided with a through hole along its length direction; During installation and use, a bolt (223) movably penetrates the through hole and is threadedly connected to the threaded hole.

3. A drying device for circuit board processing according to claim 2, characterized in that: A pad (222) is also arranged between the bolt (223) and the rectangular support rod (221), and the pad (222) is clamped at the rectangular through hole (241); and a through hole for the bolt (223) to movably penetrate is arranged on the pad (222).

4. A drying device for circuit board processing according to claim 3, characterized in that: The inner side wall of the pad (222) is provided with a pair of ridges (224), and the outer side wall of the ridges (224) is provided with an elastic deformation layer (225), and the elastic deformation layer (225) is a foam layer, a rubber layer or a sponge layer.

5. A drying device for circuit board processing according to claim 1, characterized in that: A support rod (25) is provided on the upper surface of the base plate (20), a rubber flexible layer is provided on the upper surface of the support rod (25), and the support rod (25) contacts one end surface of the circuit board (100), and the length direction of the support rod (25) is perpendicular to one surface of the circuit board (100).

6. A drying device for circuit board processing according to any one of claims 1 to 5, characterized in that: An air inlet and an air outlet are respectively arranged on the two side walls of the drying tunnel (3).

7. A drying device for circuit board processing according to any one of claims 1 to 5, characterized in that: A first air inlet structure and a first air outlet structure are sequentially arranged on one side wall of the drying tunnel (3) along the conveying direction of the conveying mechanism (1); and a second air outlet structure and a second air inlet structure are sequentially arranged on the other side wall of the drying tunnel (3) along the conveying direction of the conveying mechanism (1).

8. A drying device for circuit board processing according to claim 7, characterized in that: The first air inlet structure and the first air outlet structure respectively comprise a plurality of first air inlet pipes (31) and a plurality of first air outlet pipes (34) arranged along the conveying direction of the conveying mechanism (1), and the second air outlet structure and the second air inlet structure respectively comprise a plurality of second air outlet pipes (33) and a plurality of second air inlet pipes (32) arranged along the conveying direction of the conveying mechanism (1).

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