Printed circuit board drying device

Abstract

The utility model discloses a printed circuit board drying device which comprises a supporting frame and a water absorption roller, the water absorption roller is movably connected to the top of the interior of the supporting frame, the bottom of the interior of the supporting frame is fixedly connected with a conveying device, and the outer side of the conveying device is fixedly connected with a drying box. Through the arrangement of the conveying device, the drying box, the air blowing pipe, the air outlet assembly and the heating assembly, an operator places a plurality of circuit boards on the top of the conveying device, then the conveying device drives the circuit boards to move into the drying box through the water absorption roller, and then the air blowing pipe blows air to the surfaces of the circuit boards through the air outlet assembly. According to the circuit board drying equipment, residual liquid on the surface of a circuit board is taken away by gas, so that the drying efficiency of the circuit board is improved, and the problems that in the actual using process, due to the fact that the equipment can only dry a single circuit board, the equipment can only be used in small batches, and when large-batch circuit boards are dried, the requirements cannot be met are solved. And the working efficiency is reduced.

Description

Technical Field

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

[0002] Circuit board drying is an important part of vertical continuous electroplating equipment. It is mainly used to dry the circuit board after electroplating and cleaning. If the residual liquid on the circuit board is not dried sufficiently, it will affect the production quality of the next process of the circuit board. Most of the circuit board drying is done by a water-absorbing roller wrapped with a water-absorbing sponge on the outside. The water-absorbing roller uses the water-absorbing sponge to absorb the residual liquid on the surface of the circuit board. However, it is difficult for the water-absorbing roller to quickly dry the residual liquid, so a drying device is needed.

[0003] According to the announcement number: CN220793692U, a circuit board drying device is provided, including a drying device body, the drying device body includes a box body, a lifting mechanism is fixedly installed on the top of the box body, an air intake pipe and an exhaust pipe are installed at both ends of the lifting mechanism, an exhaust fan is fixedly installed inside the air intake pipe, a partition plate is welded on the inner wall of the box body, a power mechanism is fixed on the partition plate, a fixed frame is fixed on the power mechanism, and a support assembly is fixed on the inner wall of the fixed frame. In this circuit board drying device, the power mechanism drives the fixed frame to rotate slowly in the later stage, so that the circuit boards at different positions can be heated and used evenly in the rotating state, and the movable column is pressed downward on the circuit board in the later stage, so that the circuit board falls off the roller, which is convenient for the later material collection and use.

[0004] Based on the search of the above patents and combined with the equipment in the prior art, it is found that when the above equipment is used, although it can solve the problem that the existing equipment cannot clamp and limit circuit boards of different sizes and suspend them in the air, flat placement can easily cause many drying dead corners.

[0005] However, in actual use, since the above equipment can only dry a single circuit board, and can only be used in small batches, it cannot meet the needs when drying large quantities of circuit boards, and reduces work efficiency. For this reason, we propose a new printed circuit board drying device. Utility Model Content

[0006] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a printed circuit board drying device, which has the advantage of drying multiple circuit boards and solves the problem that in actual use, the above-mentioned equipment can only dry a single circuit board and can only be used in small batches. When drying large quantities of circuit boards, it cannot meet the needs and reduces work efficiency.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a printed circuit board drying device, comprising a support frame and a water absorption roller, wherein the water absorption roller is movably connected to the top of the support frame, the bottom of the support frame is fixedly connected to a conveying device, the outside of the conveying device is fixedly connected to a drying box, the top of the drying box is connected to an air blowing pipe, three air blowing pipes are provided and are distributed at equal distances, one end of the air blowing pipe extends to the outside of the top of the drying box, one end of the air blowing pipe is connected to an air outlet assembly, and the left and right sides of the top of the drying box are fixedly connected to heating assemblies.

[0008] As a preferred embodiment of the utility model, the air outlet assembly includes a cross joint, the cross joint is connected to one end of the air blowing pipe, the other interface of the cross joint is connected to a connecting pipe, and the other end of the connecting pipe is connected to an air pump.

[0009] As a preferred embodiment of the utility model, the heating assembly includes a fixing plate, which is fixedly connected to the left and right sides of the top of the drying box, and a heating rod is fixedly connected to the inner side of the fixing plate, and the heating rod is close to the other end of the blowing pipe.

[0010] As a preferred embodiment of the utility model, the other end of the air blowing pipe is connected to an enlarged head, and the enlarged head is arranged in a trumpet shape.

[0011] As a preferred embodiment of the present invention, a temperature sensor is fixedly connected to the rear side of the inner wall of the drying box, and a controller is fixedly connected to the left side of the bottom front side of the drying box, and the controller is electrically connected to the heating rod and the temperature sensor through wires.

[0012] As a preferred embodiment of the present invention, an observation window is fixedly connected to the front side of the drying box via a through groove, and the material of the observation window is transparent acrylic.

[0013] As a preferred embodiment of the present invention, a placement plate is fixedly connected to the bottom of the back side of the drying box, and the air pump is located on the top of the fixed plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model provides a conveying device, a drying box, an air blowing pipe, an air outlet assembly and a heating assembly, so that an operator can place multiple circuit boards on the top of the conveying device, and then the conveying device drives the circuit boards to move to the inside of the drying box through the water absorption roller, and then the air blowing pipe blows air to the surface of the circuit board through the air outlet assembly, so that the gas takes away the residual liquid on the surface of the circuit board, thereby improving the drying efficiency of the circuit board, solving the problem that in actual use, the above-mentioned equipment can only dry a single circuit board and can only be used in small batches. When drying a large number of circuit boards, it cannot meet the demand and reduces the work efficiency, and achieves the effect of drying multiple circuit boards.

[0016] 2. The utility model provides an air outlet component. When the circuit board passes through the water absorption roller and enters the drying box, the operator starts the air pump, so that the output end of the air pump transmits the gas to the inside of the air blowing pipe through the connecting pipe and the cross joint. The air blowing pipe discharges the gas to the surface of the circuit board, so that the gas blows away the water droplets remaining on the surface of the circuit board, thereby avoiding liquid residue.

[0017] 3. The utility model sets a heating component, and the operator starts the heating rod to generate heat, and then the heat is blown to the surface of the circuit board through the gas blown out of the blowing pipe, so that the blown gas is heated, thereby improving the drying efficiency of the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from the first viewing angle;

[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from a second viewing angle;

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the utility model from the third viewing angle.

[0021] In the figure: 1. support frame; 2. water absorption roller; 3. conveying device; 4. drying box; 5. air blowing pipe; 6. air outlet assembly; 61. cross joint; 62. connecting pipe; 63. air pump; 7. heating assembly; 71. fixing plate; 72. heating rod; 8. enlarged head; 9. temperature sensor; 10. controller; 11. observation window; 12. placement plate. DETAILED DESCRIPTION

[0022] 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.

[0023] like Figures 1 to 3 As shown, the utility model provides a printed circuit board drying device, including a support frame 1 and a water absorption roller 2, the water absorption roller 2 is movably connected to the top of the support frame 1, the bottom of the support frame 1 is fixedly connected with a conveying device 3, the outside of the conveying device 3 is fixedly connected with a drying box 4, the top of the drying box 4 is connected with an air blowing pipe 5, three air blowing pipes 5 are provided and are equidistantly distributed, one end of the air blowing pipe 5 extends to the outside of the top of the drying box 4, one end of the air blowing pipe 5 is connected with an air outlet component 6, and the left and right sides of the top of the drying box 4 are fixedly connected with a heating component 7.

[0024] refer to Figure 1 The air outlet assembly 6 includes a cross joint 61, which is connected to one end of the air blowing pipe 5, and the other interface of the cross joint 61 is connected to a connecting pipe 62, and the other end of the connecting pipe 62 is connected to an air pump 63.

[0025] As a technical optimization scheme of the utility model, by setting up the air outlet component 6, when the circuit board passes through the water absorption roller 2 and enters the drying box 4, the operator starts the air pump 63, so that the output end of the air pump 63 conveys the gas to the inside of the blowing pipe 5 through the connecting pipe 62 and the cross joint 61, and the blowing pipe 5 discharges the gas to the surface of the circuit board, so that the gas blows away the water droplets remaining on the surface of the circuit board, thereby avoiding liquid residue.

[0026] refer to Figure 3 The heating assembly 7 includes a fixing plate 71, which is fixedly connected to the left and right sides of the top of the drying box 4. A heating rod 72 is fixedly connected to the inner side of the fixing plate 71, and the heating rod 72 is close to the other end of the blowing pipe 5.

[0027] As a technical optimization scheme of the utility model, by setting a heating component 7, the operator starts the heating rod 72, so that the heating rod 72 generates heat, and then the dissipated heat is blown to the surface of the circuit board through the gas blown out of the blowing pipe 5, so that the blown gas is heated, thereby improving the drying efficiency of the circuit board.

[0028] refer to Figure 3 The other end of the air blowing tube 5 is connected to an enlarged head 8, and the enlarged head 8 is arranged in a trumpet shape.

[0029] As a technical optimization solution of the utility model, by providing an enlarged head 8, the enlarged head 8 is connected to the air blowing tube 5, so that the enlarged head 8 can expand the air outlet area of ​​the air blowing tube 5, thereby increasing the area of ​​the gas blown to the circuit board.

[0030] refer to Figure 3A temperature sensor 9 is fixedly connected to the rear side of the inner wall of the drying box 4, and a controller 10 is fixedly connected to the left side of the bottom of the front side of the drying box 4. The controller 10 is electrically connected to the heating rod 72 and the temperature sensor 9 through wires.

[0031] As a technical optimization scheme of the utility model, by setting a temperature sensor 9 and a controller 10, and by setting a maximum temperature threshold inside the controller 10, when the temperature sensor 9 transmits the detection result to the inside of the controller 10, the controller 10 analyzes the result. When the analyzed result reaches the set threshold, the controller 10 turns off the heating rod 72 to avoid excessive temperature affecting the quality of the circuit board.

[0032] refer to Figure 1 The front of the drying box 4 is fixedly connected with an observation window 11 through a through groove, and the material of the observation window 11 is transparent acrylic.

[0033] As a technical optimization solution of the present invention, by providing an observation window 11, the operator can observe the inside of the drying box 4 through the observation window 11 made of transparent acrylic material, thereby enabling the operator to observe the drying condition of the circuit board in time.

[0034] refer to Figure 2 A placement plate 12 is fixedly connected to the bottom of the back side of the drying box 4 , and the air pump 63 is located on the top of the fixed plate 71 .

[0035] As a technical optimization solution of the utility model, by setting the placement plate 12, the placement plate 12 and the drying box 4 are fixedly installed, so that the placement plate 12 can provide a stable support for the placement of the air pump 63, thereby ensuring the stability of the use of the air pump 63.

[0036] The working principle and use process of the utility model are as follows: during use, when the operator needs to dry the circuit board, the operator places multiple circuit boards on the conveying device 3, so that the conveying device 3 drives the circuit board to move and pass through the water absorption roller 2, so that the water absorption roller 2 absorbs the liquid on the surface of the circuit board, and then the conveying device 3 drives the circuit board to move to the inside of the drying box 4, and the air blowing pipe 5 generates gas through the air pump 63, the cross joint 61 and the connecting pipe 62, so that the gas emitted by the air blowing pipe 5 is blown to the surface of the circuit board through the heating rod 72, so that the blown gas is heated, thereby improving the drying efficiency of the circuit board. At the same time, by setting the maximum temperature threshold inside the controller 10, when the temperature sensor 9 transmits the detection result to the inside of the controller 10, the controller 10 analyzes the result. When the analyzed result reaches the set threshold, the controller 10 turns off the heating rod 72 to avoid excessive temperature affecting the quality of the circuit board.

[0037] In summary, the printed circuit board drying device, by setting a conveying device 3, a drying box 4, an air blowing pipe 5, an air outlet component 6 and a heating component 7, enables the operator to place multiple circuit boards on the top of the conveying device 3, and then the conveying device 3 drives the circuit boards to move to the inside of the drying box 4 through the water absorption roller 2, and then the air blowing pipe 5 blows air to the surface of the circuit board through the air outlet component 6, so that the gas takes away the residual liquid on the surface of the circuit board, thereby improving the drying efficiency of the circuit board, and solving the problem that in actual use, the above-mentioned equipment can only dry a single circuit board and can only be used in small batches. When drying a large number of circuit boards, it cannot meet the demand and reduces the work efficiency.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] 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 printed circuit board drying device, comprising a support frame (1) and a water absorption roller (2), characterized in that: The water-absorbing roller (2) is movably connected to the top of the support frame (1); the bottom of the support frame (1) is fixedly connected to a conveying device (3); the outside of the conveying device (3) is fixedly connected to a drying box (4); the top of the drying box (4) is connected to an air blowing pipe (5); three air blowing pipes (5) are provided and are distributed at equal distances; one end of the air blowing pipe (5) extends to the outside of the top of the drying box (4); one end of the air blowing pipe (5) is connected to an air outlet assembly (6); and the left and right sides of the top of the drying box (4) are fixedly connected to heating assemblies (7).

2. A printed circuit board drying device according to claim 1, characterized in that: The air outlet assembly (6) comprises a cross joint (61), the cross joint (61) being connected to one end of the air blowing pipe (5), the other interface of the cross joint (61) being connected to a connecting pipe (62), and the other end of the connecting pipe (62) being connected to an air pump (63).

3. A printed circuit board drying device according to claim 1, characterized in that: The heating assembly (7) comprises a fixing plate (71), the fixing plate (71) being fixedly connected to the left and right sides of the top of the drying box (4), a heating rod (72) being fixedly connected to the inner side of the fixing plate (71), the heating rod (72) being close to the other end of the blowing pipe (5).

4. A printed circuit board drying device according to claim 1, characterized in that: The other end of the air blowing pipe (5) is connected to an enlarged head (8), and the enlarged head (8) is arranged in a trumpet shape.

5. A printed circuit board drying device according to claim 2, characterized in that: A temperature sensor (9) is fixedly connected to the rear side of the inner wall of the drying box (4), and a controller (10) is fixedly connected to the left side of the bottom front side of the drying box (4). The controller (10) is electrically connected to the heating rod (72) and the temperature sensor (9) via wires.

6. A printed circuit board drying device according to claim 1, characterized in that: An observation window (11) is fixedly connected to the front side of the drying box (4) via a through slot, and the material of the observation window (11) is transparent acrylic.

7. A printed circuit board drying device according to claim 2, characterized in that: A placement plate (12) is fixedly connected to the bottom of the back side of the drying box (4), and the air pump (63) is located on the top of the fixed plate (71).

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