Efficient positioning jig for PCB production

Abstract

The utility model belongs to the technical field of PCB (printed circuit board) production, in particular to a high-efficiency positioning jig for PCB production, which comprises a jig bottom plate and a placing plate placed on the jig bottom plate, a placing groove for placing a PCB is processed on the placing plate, the high-efficiency positioning jig further comprises a flexible sleeve, a mounting groove is processed on the jig bottom plate, and the flexible sleeve is arranged in the mounting groove. A mounting groove is formed in the PCB, the position of the mounting groove corresponds to the position of a reserved positioning hole in the PCB, the flexible sleeve is mounted in the mounting groove, and a mounting hole is formed in the flexible sleeve; the positioning columns are installed in the installation holes in an embedded mode, and through holes allowing the positioning columns to penetrate through are machined in the containing plate; according to the utility model, the positioning columns are inserted into the mounting holes to realize stable mounting, the mounting and dismounting are convenient, the positioning columns with different sizes are easy to mount, use, dismount and replace, different use requirements are met, the positioning precision is ensured, and the positioning efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of PCB board production, and particularly relates to an efficient positioning fixture for PCB board production. Background Technique

[0002] PCB, whose Chinese name is printed circuit board, also known as printed wiring board, is an important electronic component, a support for electronic components, and a provider of electrical connections for electronic components.

[0003] In the process of PCB board production and processing, positioning fixtures are required in many processes to ensure the stability and processing accuracy during the production and processing of PCB boards. Generally, positioning holes are reserved on the PCB board, and positioning columns are set on the positioning fixture according to the positions of the positioning holes to accurately position the placement position of the PCB board.

[0004] In the prior art, depending on the installation of the positioning holes on the PCB board, it is difficult to align, with low efficiency, and there are differences in the sizes of the positioning holes of different suppliers, so different positioning fixtures need to be designed for different positioning holes, resulting in high costs.

[0005] To solve the above problems, an efficient positioning fixture for PCB board production is proposed in this application. Utility Model Content

[0006] To solve the above problems existing in the prior art, the utility model provides an efficient positioning fixture for PCB board production, which has the characteristics of high positioning accuracy and easy adjustment.

[0007] To achieve the above object, the utility model provides the following technical solution: An efficient positioning fixture for PCB board production, including a fixture bottom plate and a placement plate placed on the fixture bottom plate. A placement groove for placing the PCB board is processed on the placement plate, and further includes:

[0008] A flexible sleeve. An installation groove is processed on the fixture bottom plate, and the position of the installation groove corresponds to the position of the reserved positioning holes on the PCB board. The flexible sleeve is installed in the installation groove, and an installation hole is provided on the flexible sleeve;

[0009] A positioning column. The positioning column is embedded and installed in the installation hole, and a through hole for the positioning column to penetrate is processed on the placement plate.

[0010] As a preferred technical solution of the utility model, the top end of the positioning column is a hemispherical structure.

[0011] As a preferred technical solution of the utility model, a guiding inclined surface is processed at the top end of the inner side surface of the installation hole.

[0012] As a preferred technical solution of the present utility model, it further includes:

[0013] Flexible ridges, and a plurality of the flexible ridges are fixedly arranged at equal intervals along the circumferential direction on the inner wall of the mounting hole.

[0014] As a preferred technical solution of the present utility model, the flexible sleeve is a cylindrical rubber member.

[0015] As a preferred technical solution of the present utility model, it further includes:

[0016] A limiting flip cover, and the limiting flip cover is hinged to the top of the jig bottom plate.

[0017] As a preferred technical solution of the present utility model, it further includes:

[0018] A transparent observation window, and the transparent observation window is embedded and installed in the limiting flip cover. When the limiting flip cover is in the closed state, the transparent observation window faces the placement groove.

[0019] As a preferred technical solution of the present utility model, it further includes:

[0020] A fixing block, and the fixing block is fixed to the free end of the limiting flip cover, and a notch is machined on the fixing block;

[0021] A threaded rod, and the threaded rod is pivotally connected to the end of the jig bottom plate, and when the threaded rod is turned to the vertical state, it penetrates through the notch;

[0022] A wing nut, and the wing nut is installed on the protruding end of the threaded rod by means of screw thread engagement.

[0023] Compared with the prior art, the beneficial effects of the present utility model are:

[0024] In the present utility model, the positioning column is inserted into the mounting hole to achieve stable installation. The installation and disassembly are convenient. It is easy to install, use, disassemble and replace positioning columns of different sizes, which is applicable to different usage requirements, ensures the positioning accuracy, and improves the positioning efficiency.

[0025] Some additional advantages and beneficial effects of the present application will be given in part in the following description, some will become obvious from the following description, or will be understood through the practice of the present application. Description of the Drawings

[0026] The drawings are used to provide further understanding of the present utility model, and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0027] Figure 1It is a schematic structural view of the present utility model;

[0028] Figure 2 It is a schematic exploded structural view of the present utility model;

[0029] Figure 3 It is a schematic axonometric view of the flexible sleeve in the present utility model;

[0030] Figure 4 For the present utility model Figure 1 Schematic enlarged structural view of part A in it.

[0031] In the figure: 1. Fixture bottom plate; 11. Installation groove; 2. Limit flip cover; 21. Transparent observation window; 22. Fixed block; 221. Notch; 3. Placing plate; 31. Placing groove; 32. Through hole; 4. Flexible sleeve; 41. Installation hole; 42. Guide inclined plane; 43. Flexible rib; 5. Positioning column; 6. Threaded rod; 7. Butterfly nut. Specific implementation mode

[0032] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0033] Please refer to Figures 1 - 4 , the present utility model provides the following technical solutions: An efficient positioning fixture for PCB board production, including a fixture bottom plate 1 and a placing plate 3 placed on the fixture bottom plate 1. A placing groove 31 for placing the PCB board is processed on the placing plate 3, and further includes: a flexible sleeve 4 and a positioning column 5.

[0034] Furthermore, by Figures 1 - 3As shown, in this embodiment, an installation groove 11 is machined on the fixture base plate 1, and the position of the installation groove 11 corresponds to the position of the reserved positioning holes on the PCB board. The flexible sleeve 4 is installed in the installation groove 11, and there is an installation hole 41 on the flexible sleeve 4. The positioning column 5 is embedded and installed in the installation hole 41. A through hole 32 for the positioning column 5 to penetrate is machined on the placement plate 3. After adopting the above scheme, during use, first, according to the size of the reserved positioning holes on the PCB board, the positioning column 5 of a suitable size is embedded and installed in the installation hole 41. Then, the placement plate 3 is first placed on the fixture base plate 1, and the positioning column 5 is made to penetrate the through hole 32 for positioning the placement plate 3. Finally, the PCB board is placed in the placement groove 31, and the positioning column 5 is made to penetrate the reserved positioning holes on the PCB board for positioning the PCB board. In the present utility model, the positioning column 5 is inserted into the installation hole 41 to achieve stable installation, and the installation and disassembly are convenient, easy to install, use, and disassemble and replace positioning columns 5 of different sizes, suitable for different usage requirements, ensuring the positioning accuracy and improving the positioning efficiency.

[0035] Preferably, as Figure 1 and Figure 2 shown, in this embodiment, the top end of the positioning column 5 is a hemispherical structure. After adopting the above design, it can effectively prevent the edges and corners at the top end of the positioning column 5 from scratching the PCB board, improving the safety of the PCB board.

[0036] Preferably, as Figures 1 - 3 shown, in this embodiment, a guiding inclined surface 42 is machined at the top end of the inner side surface of the installation hole 41. After adopting the above design, the guiding inclined surface 42 has a guiding function, facilitating the insertion of the positioning column 5 into the installation hole 41.

[0037] Preferably, as Figures 1 - 3 shown, in this embodiment, it further includes: flexible ridges 43. A plurality of flexible ridges 43 are fixedly arranged at equal intervals along the circumferential direction on the inner wall of the installation hole 41. After adopting the above design, when the positioning column 5 is inserted into the installation hole 41, the flexible ridges 43 will be compressed and bent, and the flexible elastic force of the flexible ridges 43 is relied on to ensure the stability of the positioning column 5, and positioning columns 5 of different diameters can be inserted into the installation hole 41. After inserting positioning columns 5 of different diameters, the flexible ridges 43 will be bent in different degrees.

[0038] Optionally, as Figures 1 - 3 shown, in this embodiment, the flexible sleeve 4 is a cylindrical rubber member. The rubber material has high flexibility, enabling positioning columns 5 of different diameters to be inserted into the installation hole 41, facilitating the adjustment of the size of the positioning column 5 according to the size of the reserved positioning holes on the PCB board.

[0039] Preferably, as Figure 1As shown in the figure, in this embodiment, it further includes: a limit flip cover 2, which is hinged to the top of the fixture base plate 1. After adopting the above solution, during use, after the PCB board is placed, close the limit flip cover 2, and use the limit flip cover 2 to limit the PCB board from above, further improving the stability of the PCB board and the positioning accuracy.

[0040] Preferably, Figure 1 and Figure 2 As shown in the figure, in this embodiment, it further includes: a transparent observation window 21, which is embedded in the limit flip cover 2. When the limit flip cover 2 is in the closed state, the transparent observation window 21 faces the placement groove 31. After adopting the above solution, after closing the limit flip cover 2, it is easy to observe the state of the PCB board through the transparent observation window 21.

[0041] Preferably, Figure 1 and Figure 4 As shown in the figure, in this embodiment, it further includes: a fixed block 22, a threaded rod 6 and a wing nut 7. The fixed block 22 is fixed to the free end of the limit flip cover 2, and a notch 221 is machined on the fixed block 22. The threaded rod 6 is pivotally connected to the end of the fixture base plate 1, and when the threaded rod 6 is turned to the vertical state, it penetrates through the notch 221. The wing nut 7 is installed on the extended end of the threaded rod 6 by means of screw thread engagement. After adopting the above solution, after closing the limit flip cover 2, turn up the threaded rod 6 to make the threaded rod 6 penetrate through the notch 221, and then tighten the wing nut 7 on the extended end of the threaded rod 6, which can improve the stability of the limit flip cover 2 after it is closed.

[0042] The components not described in detail in this article are prior art.

[0043] The working principle and usage process of the present utility model: For the positioning fixture of the present utility model, during use, first, according to the size of the reserved positioning holes on the PCB board, embed positioning posts 5 of appropriate sizes into the mounting holes 41. Then, place the placement plate 3 on the fixture base plate 1 first, and make the positioning posts 5 penetrate through the through holes 32 to position the placement plate 3. Finally, place the PCB board in the placement groove 31 and make the positioning posts 5 penetrate through the reserved positioning holes on the PCB board to position the PCB board.

[0044] After the PCB board is placed, close the limit flip cover 2, and use the limit flip cover 2 to limit the PCB board from above, further improving the stability of the PCB board and the positioning accuracy.

[0045] In addition, after closing the limit flip cover 2, turn up the threaded rod 6 to make the threaded rod 6 penetrate through the notch 221, and then tighten the wing nut 7 on the extended end of the threaded rod 6, which can improve the stability of the limit flip cover 2 after it is closed.

[0046] In the present utility model, the positioning column 5 is inserted into the mounting hole 41 to achieve stable installation. The installation and disassembly are convenient, and it is easy to install, use, disassemble and replace positioning columns 5 of different sizes, which is applicable to different usage requirements, ensuring the positioning accuracy and improving the positioning efficiency.

[0047] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An efficient positioning jig for PCB production, comprising a jig base plate (1) and a placement plate (3) placed on the jig base plate (1), wherein a placement groove (31) for placing the PCB is processed on the placement plate (3), characterized in that: Also includes: A flexible sleeve (4) is machined with a mounting groove (11) on the fixture base plate (1), and the position of the mounting groove (11) corresponds to the position of a reserved positioning hole on the PCB board, the flexible sleeve (4) is installed in the mounting groove (11), and the flexible sleeve (4) has a mounting hole (41); A positioning column (5) is embedded in the mounting hole (41), and a through hole (32) for the positioning column (5) to pass through is processed on the placement plate (3).

2. The high-efficiency positioning jig for PCB production according to claim 1, characterized in that: The top end of the positioning column (5) is a hemispherical structure.

3. The high-efficiency positioning jig for PCB production according to claim 1, characterized in that: A guide slope (42) is machined on the top end of the inner side surface of the mounting hole (41).

4. The high-efficiency positioning jig for PCB production according to claim 1, characterized in that: Also includes: Flexible convex strips (43), a plurality of the flexible convex strips (43) are fixed to the inner wall of the mounting hole (41) at equal intervals along the circumferential direction.

5. The high-efficiency positioning jig for PCB production according to claim 1, characterized in that: The flexible sleeve (4) is a cylindrical rubber component.

6. The high-efficiency positioning jig for PCB production according to claim 1, characterized in that: Also includes: A position limiting flap (2), the position limiting flap (2) is hinged to the top of the fixture base plate (1).

7. The high-efficiency positioning jig for PCB production according to claim 6, characterized in that: Also includes: A transparent observation window (21) is embedded in the position-limiting flip cover (2), and when the position-limiting flip cover (2) is in a closed state, the transparent observation window (21) faces the placement slot (31).

8. The high-efficiency positioning jig for PCB production according to claim 7, characterized in that: Also includes: A fixed block (22), the fixed block (22) being fixed to the free end of the position-limiting flip cover (2), and a notch (221) being machined on the fixed block (22); a threaded rod (6), the threaded rod (6) being pivotally connected to the end of the jig base plate (1) and penetrating the notch (221) when the threaded rod (6) is flipped to a vertical state; A butterfly nut (7) is mounted on the protruding end of the threaded rod (6) by screwing.

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