Drying device for etched circuit board

Abstract

The utility model discloses a drying device for an etched circuit board, which belongs to the technical field of circuit board drying, and is characterized by comprising a drying box, the front side of the drying box is rotatably connected with a protection plate, the top of the drying box is provided with an annular hole, and the inner wall of the annular hole is fixedly connected with a pretreatment assembly. A clamping assembly is fixedly connected to the bottom of the inner wall of the drying box, guide grooves are formed in the left side and the right side of the drying box, drying assemblies are arranged on the left side and the right side of the guide grooves, and the two sides of the drying assemblies are fixedly connected with the opposite sides of the drying box. The pretreatment assembly comprises a conveying pipe, and the problems that when an existing drying device conducts drying treatment on an etched circuit board, water drops generated after the surface of the circuit board is etched are inconvenient to clean, the drying speed of the circuit board is reduced due to the existence of the water drops, and the circuit boards of different sizes are inconvenient to clamp are solved.

Description

Technical Field

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

[0002] A circuit board is a substrate used to support and connect electronic components. It transmits electrical energy and signals by arranging conductive paths on an insulating substrate. Usually, a circuit board is made of one or more layers of thin sheets, which are usually made of non-conductive materials with a thin conductive layer on the surface. These conductive layers are usually made of metal and processed by chemical etching or electroplating technology.

[0003] At present, a Chinese utility model with publication number CN213747680U discloses a drying device for printed circuit boards, including a drying box, a through hole is formed through the left wall of the drying box, a rotating drum is fixedly embedded in the through hole, a main rotating shaft is rotatably installed in the rotating drum, a bearing is fixedly installed on the right inner wall of the drying box, a secondary rotating shaft is rotatably installed in the bearing, a telescopic rod is fixedly installed on the top of the secondary rotating shaft, a clamping block is fixedly installed on the top of the telescopic rod and the top of the main rotating shaft, a clamping groove is formed on the side wall of the clamping block, a threaded hole is formed on the upper end of the clamping block, a spiral rod is rotatably installed in the threaded hole, a rubber block is fixedly installed on the lower end of the spiral rod and is arranged in the clamping groove, and a top cover is movably installed on the upper end of the drying box; the drying device for printed circuit boards has a simple structure and is easy to operate. Through the movable clamping block, it can be applied to clamp circuit boards of different sizes. Through the rotation of the main and secondary rotating shafts, the circuit board is turned over during the drying process, and the circuit board is dried quickly and evenly.

[0004] However, when the existing drying device dries the etched circuit board, it is not convenient to clean the water droplets generated on the surface of the circuit board after etching, resulting in a decrease in the drying speed of the circuit board due to the presence of the water droplets, and it is not convenient to clamp circuit boards of different sizes. Utility Model Content

[0005] The utility model provides a drying device for a circuit board after etching, aiming to solve the problem that when the existing drying device dries the etched circuit board, it is inconvenient to clean the water droplets generated on the surface of the circuit board after etching, resulting in a reduction in the drying speed of the circuit board due to the presence of the water droplets, and it is inconvenient to clamp circuit boards of different sizes.

[0006] The utility model is implemented as follows: a drying device after etching of a circuit board comprises a drying box, a protective plate is rotatably connected to the front side of the drying box, a circular hole is opened on the top of the drying box, a pretreatment component is fixedly connected to the inner wall of the circular hole, a clamping component is fixedly connected to the bottom of the inner wall of the drying box, a guide groove is opened on the left and right sides of the drying box, a drying component is arranged on the left and right sides of the guide groove, and two sides of the drying component are fixedly connected to the opposite side of the drying box;

[0007] The pretreatment component includes a delivery pipe, the surface of which is fixedly connected to the inner wall of the annular hole, one end of the delivery pipe is connected to a fan, and the other end of the delivery pipe is connected to a square block, the inner wall of the square block is provided with a square groove, the bottom of the inner wall of the square groove is provided with a circular hole, the circular hole penetrates the bottom of the inner wall of the square groove and the inner wall of the square block, and extends to the bottom of the square block, and the inner wall of the circular hole is fixedly connected to an annular pipe.

[0008] In order to achieve the effect of clamping the circuit board, as a preferred drying device for the circuit board after etching of the utility model, the clamping assembly includes a bar block, the bottom of the bar block is fixedly connected to the bottom of the inner wall of the drying box, the left and right sides of the top of the bar block are fixedly connected with connecting blocks, through holes are opened on both sides of the connecting block, the inner wall of the through hole is slidably connected with a sliding rod, the surface of the sliding rod is sleeved with a reset spring, and the left and right ends of the sliding rod are fixedly connected with U-shaped clamping blocks.

[0009] In order to achieve the effect of drying the circuit board after limiting, as a preferred drying device for the circuit board after etching of the utility model, the drying component includes a fixed box, and the side of the fixed box close to the drying box is fixedly connected to the left and right sides of the drying box, the front and rear sides of the inner wall of the fixed box are fixedly connected with heating wires, the left and right sides of the fixed box are opened with fixing holes, the inner walls of the fixing holes are fixedly connected with fixing frames, and the left and right sides of the fixing frames are fixedly connected with fans.

[0010] In order to increase the stability of the drying box, as a preferred drying device for etching a circuit board in the utility model, the bottom of the drying box is fixedly connected with support columns, and there are four support columns in total, which are evenly distributed on the bottom of the drying box.

[0011] In order to discharge the waste liquid collected in the guide groove, as a preferred drying device for circuit board etching of the utility model, the left and right sides of the drying box are connected with a discharge pipe, one end of the discharge pipe is in contact with the guide groove, and the guide groove is opened at the bottom of the inner wall of the drying box.

[0012] In order to seal the discharge pipe, as a preferred drying device for circuit board etching of the utility model, two discharge pipes are provided, and an annular block is clamped on the inner wall of one end of the discharge pipe away from the guide groove.

[0013] In order to assist in guiding the installation position of the tempered glass and facilitate observation inside the drying box, as a preferred drying device for circuit board etching of the utility model, a fixing groove is provided on the surface of the protective plate, the fixing groove is set to be square, and the inner wall of the fixing groove is fixedly connected to the tempered glass.

[0014] In order to protect the surface of the circuit board, as a preferred drying device for the circuit board after etching of the utility model, the inner wall of the U-shaped clamping block is fixedly connected with a protective pad, and the surface of the protective pad is provided with protrusions, and the protrusions are in contact with the surface of the circuit board.

[0015] In order to improve the stability of the protective plate, as a preferred drying device for the circuit board after etching of the utility model, a magnet is fixedly connected to the front side of the drying box, the magnet is set to be square, and the magnet is magnetically connected to the protective plate.

[0016] In order to protect the fixing holes, as a preferred drying device for circuit board etching of the utility model, the inner wall of the fixing hole is fixedly connected with a dustproof net, and two dustproof nets are provided, and the side of the dustproof net close to the fixing frame is fixedly connected to the fixing frame.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The drying device for the circuit board after etching is provided with a drying box, a protective plate, an annular hole, a pretreatment component, a clamping component, a guide groove and a drying component. The clamping component can be pushed to both sides, and the circuit board is vertically placed in the clamping component. Then, the placed circuit board can be clamped and limited by the rebound force of the clamping component itself. Then, the protective plate is rotated to make it contact and fix with the drying box. Then, the pretreatment component is started. Under the fixation of the annular hole, the pretreatment component can transmit wind force to the surface of the circuit board after limiting. The wind force can blow water droplets on the surface of the circuit board downward, and the circuit board is placed vertically to make the water droplets slide downward. After the water droplets are processed, the drying component is started. Then, by starting the drying component, the drying component is made to blow the dissipated heat energy into the drying box through the guide groove, so that the temperature of the drying box is increased, thereby drying the circuit board after limiting and making it dry. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is the overall structural diagram of the drying device for the circuit board after etching of the utility model;

[0020] Figure 2 This is a schematic diagram of the connection between the drying box and the support column in the utility model;

[0021] Figure 3 It is a structural schematic diagram of the pre-processing component in the utility model;

[0022] Figure 4 It is a structural schematic diagram of the clamping assembly in the utility model;

[0023] Figure 5 It is a structural schematic diagram of the drying component in the utility model.

[0024] In the figure, 1, drying box; 2, protective plate; 3, annular hole; 4, pretreatment component; 401, conveying pipe; 402, fan; 403, square block; 404, square groove; 405, circular hole; 406, annular tube; 5, clamping component; 501, strip block; 502, connecting block; 503, through hole; 504, slide bar; 505, reset spring; 506, U-shaped clamping block; 6, guide groove; 7, drying component; 701, fixed box; 702, heating wire; 703, fixed hole; 704, fixed frame; 705, fan; 8, support column; 9, discharge pipe; 10, guide groove; 11, annular block; 12, fixed groove; 13, tempered glass; 14, protective pad; 15, magnet; 16, dust net. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0026] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0027] See also Figure 1-5The utility model provides a technical solution: a drying device for etching a circuit board, comprising a drying box 1, a protective plate 2 is rotatably connected to the front side of the drying box 1, a circular hole 3 is opened on the top of the drying box 1, a pretreatment component 4 is fixedly connected to the inner wall of the circular hole 3, a clamping component 5 is fixedly connected to the bottom of the inner wall of the drying box 1, a guide groove 6 is opened on the left and right sides of the drying box 1, a drying component 7 is arranged on the left and right sides of the guide groove 6, and both sides of the drying component 7 are fixedly connected to the opposite side of the drying box 1;

[0028] The pretreatment component 4 includes a conveying pipe 401, the surface of which is fixedly connected to the inner wall of the annular hole 3, one end of the conveying pipe 401 is connected to a fan 402, and the other end of the conveying pipe 401 is connected to a square block 403, the inner wall of the square block 403 is provided with a square groove 404, and the bottom of the inner wall of the square groove 404 is provided with a circular hole 405, the circular hole 405 penetrates the bottom of the inner wall of the square groove 404 and the inner wall of the square block 403, and extends to the bottom of the square block 403, and the inner wall of the circular hole 405 is fixedly connected to an annular pipe 406.

[0029] In this embodiment: by setting the drying box 1, the protective plate 2, the annular hole 3, the pretreatment component 4, the clamping component 5, the guide groove 6 and the drying component 7, the clamping component 5 can be pushed to both sides, and the circuit board is vertically placed in the clamping component 5, and then the clamping component 5 can clamp and limit the placed circuit board through its own rebound force, and then the protective plate 2 is rotated to make it contact and fix with the drying box 1, and then the pretreatment component 4 is started, and the pretreatment component 4 can be fixed with the annular hole 3, The wind force can be delivered to the surface of the circuit board after the limit, and the wind force can blow the water droplets on the surface of the circuit board downward, and the circuit board is placed vertically to make the water droplets slide downward, and after the water droplets are processed, the drying component 7 is started, and then by starting the drying component 7, the drying component 7 blows the dissipated heat energy into the drying box 1 through the guide groove 6, so that the temperature of the drying box 1 is increased, thereby drying the circuit board after the limit and making it dry.

[0030] As a technical optimization solution of the utility model, the clamping assembly 5 includes a bar block 501, the bottom of the bar block 501 is fixedly connected to the bottom of the inner wall of the drying box 1, the left and right sides of the top of the bar block 501 are fixedly connected with connecting blocks 502, through holes 503 are opened on both sides of the connecting block 502, the inner wall of the through hole 503 is slidably connected with a sliding rod 504, the surface of the sliding rod 504 is sleeved with a reset spring 505, and the left and right ends of the sliding rod 504 are fixedly connected with U-shaped clamping blocks 506.

[0031] In this embodiment: by setting the clamping assembly 5, the U-shaped clamping block 506 can be pushed to both sides, so that the U-shaped clamping block 506 can drive the slide bar 504 to slide to both sides in the through hole 503 through the fixed connection with the slide bar 504, and then the slide bar 504 can slide, so that the U-shaped clamping block 506 can squeeze the reset spring 505, and then the circuit board is placed vertically on the bar block 501, and then the pushed U-shaped clamping block 506 is released, so that the rebound force of the reset spring 505 can reset the U-shaped clamping block 506, so that the U-shaped clamping block 506 contacts the circuit board and limits the circuit board, and under the action of the connecting block 502, it can cooperate with the U-shaped clamping block 506 to squeeze the reset spring 505, thereby improving the use stability of the reset spring 505.

[0032] As a technical optimization scheme of the utility model, the drying component 7 includes a fixed box 701, a side of the fixed box 701 close to the drying box 1 is fixedly connected to the left and right sides of the drying box 1, the front and rear sides of the inner wall of the fixed box 701 are fixedly connected with a heating wire 702, the left and right sides of the fixed box 701 are provided with a fixing hole 703, the inner wall of the fixing hole 703 is fixedly connected with a fixing frame 704, and the left and right sides of the fixing frame 704 are fixedly connected with a fan 705.

[0033] In this embodiment: by setting up the drying component 7, the heating wire 702 can be started to emit heat energy under the fixation of the fixing box 701, and then the fan 705 can be started to blow the heat energy emitted by the heating wire 702 under the fixation of the fixing frame 704, and then the fixing box 701 is brought into contact with the guide groove 6, so that the guide groove 6 guides the blown heat energy into the drying box 1, so that the heat energy can be used to dry the circuit board after limiting in the drying box 1.

[0034] As a technical optimization solution of the present invention, a support column 8 is fixedly connected to the bottom of the drying box 1 . There are four support columns 8 in total and they are evenly distributed at the bottom of the drying box 1 .

[0035] In this embodiment, by providing the support column 8, the support column 8 can support the drying box 1 through the fixed connection between the support column 8 and the drying box 1, so that the use stability of the drying box 1 can be increased.

[0036] As a technical optimization solution of the utility model, the left and right sides of the drying box 1 are connected with a discharge pipe 9 , one end of the discharge pipe 9 contacts a guide groove 10 , and the guide groove 10 is opened at the bottom of the inner wall of the drying box 1 .

[0037] In this embodiment, by providing the discharge pipe 9 and the guide groove 10 , the discharge pipe 9 can discharge the waste liquid collected in the guide groove 10 through the contact between the discharge pipe 9 and the guide groove 10 .

[0038] As a technical optimization solution of the utility model, two discharge pipes 9 are provided, and an annular block 11 is clamped on the inner wall of one end of the discharge pipe 9 away from the guide groove 10 .

[0039] In this embodiment, the annular block 11 is provided, and the annular block 11 can seal the discharge pipe 9 through the clamping connection with the discharge pipe 9, so as to avoid leakage of the discharge pipe 9.

[0040] As a technical optimization solution of the present invention, a fixing groove 12 is provided on the surface of the protective plate 2 . The fixing groove 12 is set to be square, and a tempered glass 13 is fixedly connected to the inner wall of the fixing groove 12 .

[0041] In this embodiment, by providing the fixing groove 12 and the tempered glass 13, the fixing groove 12 can be fixedly connected to the tempered glass 13, so that the fixing groove 12 can assist in guiding the installation position of the tempered glass 13, and under the action of the tempered glass 13, the user can observe the interior of the drying box 1 conveniently.

[0042] As a technical optimization solution of the present invention, a protection pad 14 is fixedly connected to the inner wall of the U-shaped clamping block 506 , and the surface of the protection pad 14 is provided with protrusions, which are in contact with the surface of the circuit board.

[0043] In this embodiment, by providing the protection pad 14 , the protection pad 14 can protect the surface of the circuit board through the contact between the protection pad 14 and the circuit board, thereby preventing indentations from occurring on the surface of the circuit board.

[0044] As a technical optimization solution of the present invention, a magnet 15 is fixedly connected to the front side of the drying box 1 . The magnet 15 is square in shape and is magnetically connected to the protective plate 2 .

[0045] In this embodiment, by providing the magnet 15 , the protective plate 2 can be conveniently fixed through the magnetic connection between the magnet 15 and the protective plate 2 , thereby improving the use stability of the protective plate 2 .

[0046] As a technical optimization solution of the present invention, a dustproof net 16 is fixedly connected to the inner wall of the fixing hole 703 . Two dustproof nets 16 are provided, and the side of the dustproof net 16 close to the fixing frame 704 is fixedly connected to the fixing frame 704 .

[0047] In this embodiment, the dustproof net 16 is provided, and the dustproof net 16 can protect the fixing hole 703 and prevent dust from entering the fixing hole 703 through the fixed connection between the dustproof net 16 and the fixing hole 703 and the fixing frame 704 .

[0048] Working principle: First, push the U-shaped clamping block 506 to both sides, so that the U-shaped clamping block 506 can drive the slide bar 504 to slide to both sides in the through hole 503 through the fixed connection with the slide bar 504, and then the slide bar 504 can slide, so that the U-shaped clamping block 506 can squeeze the reset spring 505, and then the circuit board is placed vertically on the bar block 501, and then the pushed U-shaped clamping block 506 is released, so that the rebound force of the reset spring 505 can reset the U-shaped clamping block 506, so that the U-shaped clamping block 506 contacts with the circuit board and limits the circuit board, and then the fan 402 is started, so that the fan 402 can be connected with the square block 403 through the conveying pipe 401, and the wind force The wind is transported to the square groove 404, and then the annular tube 406 fixed by the circular hole 405 can guide the wind force to the circuit board, so that the water droplets on the circuit board can be blown, and the circuit board is placed vertically to make the water droplets slide down, and then the heating wire 702 is started, so that the heating wire 702 emits heat energy under the fixation of the fixing box 701, and then the fan 705 is started, so that the fan 705 can blow the heat energy emitted by the heating wire 702 under the fixation of the fixing frame 704, and then the fixing box 701 is brought into contact with the guide groove 6, so that the guide groove 6 guides the blown heat energy into the drying box 1, so that the heat energy can dry the circuit board after limiting in the drying box 1, and then the drying process of the circuit board is completed.

[0049] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A drying device for a circuit board after etching, comprising a drying box (1), characterized in that: The front side of the drying box (1) is rotatably connected to a protective plate (2); the top of the drying box (1) is provided with an annular hole (3); the inner wall of the annular hole (3) is fixedly connected to a pretreatment component (4); the bottom of the inner wall of the drying box (1) is fixedly connected to a clamping component (5); the left and right sides of the drying box (1) are provided with guide grooves (6); the left and right sides of the guide grooves (6) are provided with drying components (7); and the two sides of the drying component (7) are fixedly connected to the opposite side of the drying box (1); The pretreatment component (4) comprises a delivery pipe (401), the surface of the delivery pipe (401) being fixedly connected to the inner wall of the annular hole (3), one end of the delivery pipe (401) being connected to a fan (402), and the other end of the delivery pipe (401) being connected to a square block (403), the inner wall of the square block (403) being provided with a square groove (404), the bottom of the inner wall of the square groove (404) being provided with a circular hole (405), the circular hole (405) penetrating the bottom of the inner wall of the square groove (404) and the inner wall of the square block (403), and extending to the bottom of the square block (403), and the inner wall of the circular hole (405) being fixedly connected to an annular pipe (406).

2. The drying device for etched circuit board according to claim 1, characterized in that: The clamping assembly (5) comprises a strip block (501), the bottom of the strip block (501) is fixedly connected to the bottom of the inner wall of the drying box (1), the left and right sides of the top of the strip block (501) are fixedly connected to connecting blocks (502), through holes (503) are provided on both sides of the connecting block (502), a sliding rod (504) is slidably connected to the inner wall of the through hole (503), a return spring (505) is sleeved on the surface of the sliding rod (504), and the left and right ends of the sliding rod (504) are fixedly connected to U-shaped clamping blocks (506).

3. The drying device for etching a circuit board according to claim 1, characterized in that: The drying assembly (7) comprises a fixed box (701), wherein a side of the fixed box (701) close to the drying box (1) is fixedly connected to the left and right sides of the drying box (1), a heating wire (702) is fixedly connected to the front and rear sides of the inner wall of the fixed box (701), a fixing hole (703) is provided on the left and right sides of the fixed box (701), a fixing frame (704) is fixedly connected to the inner wall of the fixing hole (703), and a fan (705) is fixedly connected to the left and right sides of the fixing frame (704).

4. The drying device for etching a circuit board according to claim 1, characterized in that: The bottom of the drying box (1) is fixedly connected to a support column (8), and a total of four support columns (8) are provided and are evenly distributed on the bottom of the drying box (1).

5. The drying device for etched circuit board according to claim 1, characterized in that: The left and right sides of the drying box (1) are connected to a discharge pipe (9), one end of the discharge pipe (9) contacts a guide groove (10), and the guide groove (10) is opened at the bottom of the inner wall of the drying box (1).

6. The drying device for etched circuit board according to claim 5, characterized in that: Two discharge pipes (9) are provided in total, and an annular block (11) is clamped on the inner wall of one end of the discharge pipe (9) away from the guide groove (10).

7. The drying device for etched circuit board according to claim 1, characterized in that: A fixing groove (12) is provided on the surface of the protective plate (2), the fixing groove (12) is designed to be square, and the inner wall of the fixing groove (12) is fixedly connected with a tempered glass (13).

8. The drying device for etched circuit board according to claim 2, characterized in that: A protective pad (14) is fixedly connected to the inner wall of the U-shaped clamping block (506); a surface of the protective pad (14) is provided with convex points, and the convex points are in contact with the surface of the circuit board.

9. The drying device for etched circuit board according to claim 1, characterized in that: A magnet (15) is fixedly connected to the front side of the drying box (1); the magnet (15) is square in shape, and the magnet (15) is magnetically connected to the protective plate (2).

10. The drying device for etched circuit board according to claim 3, characterized in that: A dustproof net (16) is fixedly connected to the inner wall of the fixing hole (703), two dustproof nets (16) are provided in total, and the side of the dustproof net (16) close to the fixing frame (704) is fixedly connected to the fixing frame (704).

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