Gas guide plate for solder resist ink plug hole of circuit board

Abstract

The utility model discloses an air guide plate for solder resist ink plug holes of a circuit board, which comprises a flat plate main body made of corrosion-resistant materials, the length of the flat plate main body is 77 centimeters, the width of the flat plate main body is 63 centimeters, the thickness of the flat plate main body is 1 mm to 2 mm, and raised lines are arranged on the upper surface and the lower surface of the flat plate main body. The multiple protruding strips are arranged in the length direction or the width direction of the flat plate body at equal intervals, grooves with V-shaped sections are formed between the protruding strips, the cross sections of the protruding strips are of a trapezoidal structure, and the outer surface of the flat plate body is coated with a coating.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board production, and particularly relates to a gas guide plate for plugging holes in solder mask ink of a circuit board. Background Art

[0002] With the development of electronic information technology, electronic products are becoming more and more portable, and accordingly circuit boards are becoming more and more precise. Due to wiring design and welding requirements, the requirement for blocking holes in open window VIA holes is becoming more and more common.

[0003] In the prior art, when plugging holes with solder mask ink, white paper or a special gas guide plate is used as a backing plate at the bottom. Each time of printing requires replacing with a new white paper and a special gas guide plate, resulting in high production costs. Moreover, each replacement also takes time, affecting the production efficiency. Content of the Utility Model

[0004] The utility model aims to at least solve one of the technical problems existing in the prior art. For this purpose, the utility model provides a gas guide plate for plugging holes in solder mask ink of a circuit board. After single-time printing, workers do not need to replace a new backing plate. The gas guide plate of this application can be used continuously for multiple times, and workers do not need to replace it frequently, which helps to reduce production costs and improve production efficiency.

[0005] A gas guide plate for plugging holes in solder mask ink of a circuit board according to an embodiment of the utility model, the gas guide plate includes: a flat plate main body made of a corrosion-resistant material, the length of the flat plate main body is 77 cm, the width is 63 cm, and the plate thickness is 1 mm to 2 mm. Convex strips are provided on both the upper surface and the lower surface of the flat plate main body. A plurality of convex strips are arranged at equal intervals along the length direction or the width direction of the flat plate main body. Grooves with a V-shaped cross-section are formed between the convex strips. The cross-section of the convex strip is a trapezoidal structure, and the outer surface of the flat plate main body is coated with a coating.

[0006] A gas guide plate for plugging holes in solder mask ink of a circuit board according to an embodiment of the utility model, the flat plate main body is an epoxy resin board.

[0007] A gas guide plate for plugging holes in solder mask ink of a circuit board according to an embodiment of the utility model, the outer surface of the flat plate main body is coated with a base copper layer.

[0008] A gas guide plate for plugging holes in solder mask ink of a circuit board according to an embodiment of the utility model, the thickness of the base copper layer is 70 μm.

[0009] A gas guide plate for plugging holes in solder mask ink of a circuit board according to an embodiment of the utility model, positioning grooves are provided on the four plate edges of the flat plate main body.

[0010] A gas guide plate for solder mask ink plugging holes of a circuit board according to an embodiment of the present utility model has at least the following beneficial effects: The gas guide plate is made of a corrosion-resistant epoxy resin board. Among them, convex strips are provided on both the upper and lower surfaces of the flat plate main body, and grooves are formed between the convex strips. Among them, the cross-section of the convex strip is trapezoidal. Specifically, the width of the top of the convex strip is 1 mm, which reduces the contact area between the convex strip and the production board. When satisfying the support for the production board, it will not scratch the surface of the production, and it can support the production board during production without causing the phenomenon of hole blockage, avoiding the problem of poor plugging holes caused by insufficient ink filling in the plugging holes. And, the overall size of the gas guide plate is 77 cm in length and 63 cm in width, which can meet the needs of various production boards. Further, a base copper layer with a thickness of 70 um is provided on the surface of the gas guide plate. After the gas guide plate of the present application completes the solder mask ink plugging holes of the production board, the gas guide plate of the present application can also be recycled in the pre-baking and developing processing technology, and the base copper layer on the surface of the gas guide plate is beneficial to the heat dissipation and temperature reduction of the gas guide plate. Further, strip-shaped positioning grooves are provided on the edges of the gas guide plate to facilitate the fixing of the gas guide plate on the screen printer.

[0011] The gas guide plate of the present application can be used continuously for multiple times, and workers do not need to replace it frequently, which helps to reduce production costs and improve production efficiency.

[0012] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the present utility model. Description of the Drawings

[0013] The above and / or additional aspects and advantages of the present utility model will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, in which:

[0014] Figure 1 is a schematic structural diagram of a gas guide plate for solder mask ink plugging holes of a circuit board according to an embodiment of the present utility model;

[0015] Figure 2 is a cross-sectional view of a gas guide plate for solder mask ink plugging holes of a circuit board according to an embodiment of the present utility model.

[0016] Description of the reference numerals:

[0017] Flat plate main body 100; positioning groove 110.

[0018] Convex strip 200;

[0019] Base copper layer 300. Detailed Embodiments

[0020] Embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation to the present utility model.

[0021] In the description of the present utility model, it should be understood that with respect to the orientation description, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc., is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model 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 should not be construed as a limitation to the present utility model.

[0022] In the description of the utility model, the meaning of several is one or more, the meaning of multiple is more than two, and understandings such as greater than, less than, exceeding, etc. do not include the present number, and understandings such as above, below, within, etc. include the present number. If there is a description of first and second, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or the sequence relationship of the indicated technical features.

[0023] In the description of the present utility model, unless otherwise clearly defined, words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the above words in the present utility model in combination with the specific content of the technical solution.

[0024] Refer to Figures 1 to 2 , embodiments of the present utility model provide a gas guide plate for the solder mask plugging of a circuit board. The gas guide plate includes a flat plate main body 100 made of a corrosion-resistant material. The length of the flat plate main body 100 is 77 cm, the width is 63 cm, and the plate thickness is 1 mm to 2 mm. Protrusions 200 are provided on both the upper surface and the lower surface of the flat plate main body 100. A plurality of protrusions 200 are arranged at equal intervals along the length direction or the width direction of the flat plate main body 100. Grooves with a V-shaped cross-section are formed between the protrusions 200. The cross-section of the protrusion 200 is a trapezoidal structure. The outer surface of the flat plate main body 100 is coated with a coating.

[0025] According to some embodiments of the present application, the flat plate main body 100 is an epoxy resin board.

[0026] According to some embodiments of the present application, the outer surface of the flat plate main body 100 is coated with a base copper layer 300. Preferably, the thickness of the base copper layer 300 is 70 um.

[0027] According to some embodiments of the present application, positioning grooves 110 are provided on all four edges of the flat plate main body 100.

[0028] The air guide plate is made of corrosion-resistant epoxy resin plate. Among them, convex strips 200 are provided on both the upper and lower surfaces of the flat plate body 100. Grooves are formed between the convex strips 200. Specifically, the cross-section of the convex strip 200 is trapezoidal. Specifically, the width of the top of the convex strip 200 is 1 mm, which reduces the contact area between the convex strip 200 and the production plate. When supporting the production plate, it will not scratch the surface of the production, and it can support the production plate during production without causing the phenomenon of blocked holes, avoiding the problem of poor plugging due to insufficient filling of the plug holes. And, the overall size of the air guide plate is 77 cm in length and 63 cm in width, which can meet the needs of various production plates. Further, a base copper layer 300 with a thickness of 70um is provided on the surface of the air guide plate. After the air guide plate of the present application completes the solder resist ink plugging of the production plate, the air guide plate of the present application can also be recycled in the pre-baking and developing processing technology, and the base copper layer 300 on the surface of the air guide plate is beneficial to the heat dissipation and temperature reduction of the air guide plate. Further, strip-shaped positioning grooves 110 are provided on the edges of the air guide plate to facilitate the fixing of the air guide plate on the screen printer. The air guide plate of the present application can be used continuously for many times, and workers do not need to replace it frequently, which helps to reduce production costs and improve production efficiency.

[0029] In the description of this specification, the description of reference terms such as "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do 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.

[0030] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the claims and their equivalents.

Claims

1. An air guide plate for plugging holes with solder mask ink on a circuit board, characterized in that: The air guide plate includes: a flat plate body made of corrosion-resistant material, the length of the flat plate body is 77 cm, the width is 63 cm, and the thickness is 1 mm to 2 mm. The upper and lower surfaces of the flat plate body are both provided with ridges, and multiple ridges are arranged at equal intervals along the length direction or width direction of the flat plate body. Grooves with V-shaped cross-sections are formed between the ridges. The cross-section of the ridges is a trapezoidal structure. The outer surface of the flat plate body is covered with a coating.

2. The air guide plate for plugging holes with solder mask ink on a circuit board according to claim 1, characterized in that: The flat plate body is an epoxy resin plate.

3. The air guide plate for plugging holes with solder mask ink on a circuit board according to claim 1, characterized in that: The outer surface of the plate body is covered with a base copper layer.

4. The air guide plate for plugging holes with solder mask ink on a circuit board according to claim 3, characterized in that: The thickness of the base copper layer is 70 μm.

5. The air guide plate for plugging holes with solder mask ink on a circuit board according to claim 1, characterized in that: The four plate edges of the flat plate body are all provided with positioning grooves.

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