Multipurpose PCB (printed circuit board) silk-screen base plate

Abstract

The utility model discloses a multi-purpose PCB silk-screen base plate comprising a substrate, and nail holes are arranged on the substrate in a rectangular array. The elastic supporting structure is arranged in the nail hole, and the top of the elastic supporting structure is in contact with the PCB; a mounting groove of an annular structure is formed in the bottom of the base plate, the mounting face of the elastic supporting structure is arranged in the mounting groove, and the supporting end of the elastic supporting structure penetrates through the nail hole to be arranged above the base plate. Through the elastic supporting structure and the mode of adjusting the nail holes, the printing device can adapt to PCBs of different sizes, and the stability of the printing process is guaranteed.

Description

Technical Field

[0001] The utility model relates to a pad, in particular to a multi-purpose PCB silk-screen pad. Background Art

[0002] PCB is the abbreviation of Printed Circuit Board, which is a basic material for connecting electronic components. It is a plate-like carrier made of insulating material with conductive circuits printed on it, which is used to connect and support electronic components. PCB is widely used in electronic products such as computers, mobile phones, and televisions. It has the advantages of reliable connection, simple structure, light weight, and small size, and is an indispensable part of modern electronic manufacturing.

[0003] In the field of PCB printing, traditional screen printing pads are usually designed for specific PCB boards and have poor adaptability. In addition, traditional screen printing pads are prone to deformation and displacement during the printing process, resulting in reduced printing accuracy. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a multi-purpose PCB silk screen pad to solve the problems existing in the background technology.

[0005] The utility model multi-purpose PCB screen printing pad is realized by the following technical solutions, including:

[0006] A substrate, wherein a rectangular array of nail holes is provided on the substrate;

[0007] The elastic supporting structure is arranged in the nail hole, and the top of the elastic supporting structure is in contact with the PCB board.

[0008] As a preferred technical solution, a mounting groove in an annular structure is provided at the bottom of the base plate, and the mounting surface of the elastic support structure is placed in the mounting groove, and the supporting end of the elastic support structure passes through the nail hole and is placed above the base plate.

[0009] As a preferred technical solution, the elastic support structure includes a mounting seat, a support column and an elastic support block;

[0010] The support column is installed above the mounting seat, the interior of the support column is hollow to form a guide groove, and a spring is installed in the guide groove;

[0011] A guide column is arranged at the lower end of the elastic support block, which is inserted into the guide groove and limited by a limiting structure; the lower end of the guide column contacts the spring in the guide groove, thereby playing the role of supporting the elastic support block.

[0012] As a preferred technical solution, a stabilizing seat is also included. The stabilizing seat is sleeved on the side of the base plate and positioned by the positioning structure, thereby increasing the stability of the base plate and preventing it from deforming.

[0013] As a preferred technical solution, the limiting structure includes a limiting groove arranged on the side of the guide groove and a limiting block arranged on the side of the guide column. The limiting block is slidably arranged in the limiting groove, thereby limiting the elastic support block.

[0014] As a preferred technical solution, the positioning structure is arranged around the base plate, and the positioning structure includes a spring groove and a positioning ball. The positioning ball is limited at the end of the spring groove, and a spring is arranged between the positioning ball and the spring groove; a positioning hole corresponding to the positioning ball is arranged on the inner side of the stabilizing seat, and the positioning ball is arranged in the positioning hole under the pressure of the spring.

[0015] The beneficial effects of the utility model are:

[0016] 1. The utility model can adapt to PCB boards of different sizes through the elastic support structure and the adjustment of nail holes to ensure the stability of the printing process.

[0017] 2. The elastic support structure of the utility model is composed of a mounting seat, a support column and an elastic support block, so that it has the function of elastically supporting the PCB board, and the movement range of the elastic support block is limited by the limiting structure, which makes it more stable to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be 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 paying creative work.

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the elastic support structure of the utility model;

[0022] Figure 4 It is a schematic diagram of the positioning structure of the utility model.

[0023] Description of reference numerals:

[0024] 1. Base plate; 2. Elastic support structure; 3. Nail hole; 4. Mounting seat; 5. Support column; 6. Elastic support block; 7. Guide groove; 8. Stable seat; 9. Limit groove; 10. Limit block; 11. Spring groove; 12. Positioning ball; 13. Guide column. DETAILED DESCRIPTION

[0025] All features disclosed in this specification, or steps in all methods or processes disclosed, except mutually exclusive features and / or steps, can be combined in any manner.

[0026] like Figure 1-Figure 2 As shown, a multi-purpose PCB screen printing pad of the utility model comprises: a substrate 1 and an elastic support structure 2;

[0027] A rectangular array of nail holes 3 is provided on the substrate 1, and the elastic support structure 2 is adjusted on the nail holes 3 to adapt to PCB boards of different sizes; the elastic support structure 2 is placed in the nail holes 3, and its top is in close contact with the PCB board to ensure the stability of the printing process.

[0028] In this embodiment, an annular mounting groove is provided at the bottom of the base plate 1, and the mounting surface of the elastic support structure 2 is placed in the mounting groove; the supporting end of the elastic support structure 2 passes through the nail hole 3 and is placed above the base plate 1, thereby enhancing the stability of the entire structure.

[0029] like Figure 3 As shown, the elastic support structure 2 is composed of a mounting seat 4, a support column 5 and an elastic support block 6; the support column 5 is installed above the mounting seat 4, and its interior is hollow and forms a guide groove 7 for installing a spring; a guide column 13 is provided at the lower end of the elastic support block 6, and the guide column 13 is inserted into the guide groove 7 and is limited by a limiting structure; the lower end of the guide column 13 contacts the spring in the guide groove 7, thereby supporting the elastic support block 6.

[0030] This embodiment further includes a stabilizing seat 8, which is sleeved on the side of the substrate 1 and positioned by a positioning structure, thereby further improving the stability of the substrate 1 and preventing it from deforming.

[0031] The limiting structure includes a limiting groove 9 arranged on the side of the guide groove 7 and a limiting block 10 arranged on the side of the guide column; the limiting block 10 is slidably arranged in the limiting groove 9 to limit the movement range of the elastic support block 6.

[0032] like Figure 4 As shown, the positioning structure is arranged around the base plate 1, including a spring groove 11 and a positioning ball 12; the positioning ball 12 is limitedly arranged at the end of the spring groove 11, and a spring is arranged between the two; the inner side surface of the stabilizing seat 8 is provided with a positioning hole corresponding to the positioning ball 12, and the positioning ball 12 is placed in the positioning hole under the compression of the spring, thereby playing a positioning role.

[0033] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.

Claims

1. A multi-purpose PCB screen printing pad, characterized in that: include: A substrate (1), wherein nail holes (3) are arranged in a rectangular array on the substrate (1); An elastic support structure (2), wherein the elastic support structure (2) is arranged in the nail hole (3), and the top of the elastic support structure (2) is in contact with the PCB board.

2. The multi-purpose PCB screen printing pad according to claim 1, characterized in that: The bottom of the base plate (1) is provided with a mounting groove in an annular structure, and the mounting surface of the elastic support structure (2) is placed in the mounting groove, and the supporting end of the elastic support structure (2) passes through the nail hole (3) and is placed above the base plate (1).

3. The multi-purpose PCB screen printing pad according to claim 1, characterized in that: The elastic support structure (2) comprises a mounting seat (4), a support column (5) and an elastic support block (6); The support column (5) is installed above the mounting seat (4), the interior of the support column (5) is hollow to form a guide groove (7), and a spring is installed in the guide groove (7); A guide column is provided at the lower end of the elastic support block (6), the guide column is inserted into the guide groove (7) and is limited by a limiting structure; The lower end of the guide column is in contact with the spring in the guide groove (7) and is used to support the elastic support block (6).

4. The multi-purpose PCB screen printing pad according to claim 1, characterized in that: It also includes a stabilizing seat (8), which is sleeved on the side of the base plate (1) and positioned by a positioning structure, thereby increasing the stability of the base plate (1) and preventing it from deforming.

5. The multi-purpose PCB screen printing pad according to claim 3, characterized in that: The limiting structure comprises a limiting groove (9) arranged on the side of the guide groove (7) and a limiting block (10) arranged on the side of the guide column. The limiting block (10) is slidably arranged in the limiting groove (9) to limit the elastic support block (6).

6. The multi-purpose PCB screen printing pad according to claim 4, characterized in that: The positioning structure is arranged around the base plate (1), and the positioning structure comprises a spring groove (11) and a positioning ball (12), the positioning ball (12) is limitedly arranged at the end of the spring groove (11), and a spring is arranged between the positioning ball (12) and the spring groove (11); The inner side surface of the stabilizing seat (8) is provided with a positioning hole corresponding to the positioning ball (12), and the positioning ball (12) is arranged in the positioning hole under the pressure of a spring.

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