Tool for opening small window VIA hole in tin immersion process

By designing a tool for creating small windows (VIA holes) in immersion tin, and utilizing a threaded rod and rotating column mechanism to achieve stable clamping of the circuit board and movement of the drilling device, the problem of drilling offset during circuit board processing was solved, achieving stable clamping and precise drilling.

CN223681357UActive Publication Date: 2025-12-16TECHWISE SHIRAI(FOGANG) CIRCUITS LTD
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Patent Information

Application Number
CN202520013950.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-04
Publication Date
2025-12-16
Estimated Expiration
2035-01-04

AI Technical Summary

Technical Problem

The circuit board is prone to movement during processing, causing the window drilling to deviate, making it difficult to clamp stably and process accurately.

Method used

A tool for creating small window (VIA) holes using immersion tin is designed, comprising a worktable, rail, threaded rod, rotating column, limit block, and circuit board. The tool achieves stable clamping of the circuit board and movement of the drilling device through threaded connection and rotation mechanism, ensuring drilling accuracy.

Benefits of technology

It achieves stable clamping and precise drilling of circuit boards of different sizes, avoids drilling deviation, and improves the stability and accuracy of processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of circuit board processing, in particular to a tool for opening a small window VIA hole in tin immersion. According to the technical scheme, the device comprises a workbench, a first rail frame, a second rail frame, a threaded rod, a rotating column, a limiting block and a circuit board, a long plate is fixed to the rear end of the workbench, a first electric rail is installed on the long plate and movably connected with the first rail frame, a support is fixed to the first rail frame, a mounting plate is movably connected to the top end of the inner wall of a groove, and a telescopic rod is installed on the mounting plate; the drilling device is installed at the bottom end of the telescopic rod, a cylinder is fixed to the workbench, a containing table is fixed to the top end of the cylinder, a fixing plate is fixed to the containing table, the fixing plate is in threaded connection with a threaded rod, the threaded rod is fixed to a rotating column, the rotating column is rotationally connected with a limiting block, and the limiting block is connected with a circuit board in an inserted mode. The circuit board clamping device has the advantages that circuit boards of different sizes can be clamped and limited conveniently, and meanwhile, different positions of the circuit boards can be machined conveniently.
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Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board processing technical field, concretely is a kind of tin sinking open small window VIA hole tool. BACKGROUND

[0002] Circuit board is a kind of basic assembly that supports and connects electronic components. It is a thin sheet made of insulating material, covered with metal wires and copper foil on the surface, used to transfer current, signals and electrical energy in electronic devices. The wires and connection points on the circuit board are made using printing technology, which allows precise placement of electronic components and provides stable electrical connections.

[0003] Tin sinking open small window VIA hole tool is a kind of tool for removing solder paste or flux residue by coating the surface of the device. It can be used to open the carrier covering the hole, usually used in printed circuit board and other electronic device manufacturing process.

[0004] When the circuit board is processed, it is placed on the workbench, and then the window drilling device is used to process the circuit board. However, this can easily cause the circuit board to move during processing, causing the window drilling to deviate and making it difficult to process. UTILITY MODEL CONTENT

[0005] The utility model discloses a kind of tin sinking open small window VIA hole tool, with the advantages of being convenient for clamping different size circuit boards, and being convenient for processing different positions of circuit board, solve the circuit board when being processed, it is placed on the workbench, then the window drilling device is used to process the circuit board, but this can easily cause the circuit board to move during processing, causing the window drilling to deviate, and making it difficult to process problem.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a kind of tin sinking open small window VIA hole tool, including workbench, rail frame one, rail frame two, threaded rod, rotating column, limit block and circuit board, the long plate is fixed on the upper surface rear end of the workbench, the electric rail one is installed on the upper surface of the long plate, the electric rail one is movably connected with rail frame one, the bracket is fixed on the upper surface of rail frame one, the recess is formed in the side of the bracket, the mounting plate is movably connected on the inner wall top of the recess, the telescopic rod is installed on the lower surface of the mounting plate, the drilling device is installed at the bottom of the telescopic rod, the cylinder is fixed on the upper surface of the workbench, the placing table is fixed on the top of the cylinder, the fixed plate is fixed on the upper surface of the placing table, the fixed plate is screw thread connected with threaded rod, the threaded rod is fixed with rotating column, the rotating column is movably connected with limit block, the limit block is inserted with circuit board.

[0007] Preferably, the lower surface of the workbench is fixed with four support columns in a rectangular array. The workbench can be supported by the four support columns, so that the device is placed stably as a whole.

[0008] Preferably, the front end of the workbench is fixed with a control switch box, and a display screen and a button are sequentially embedded and installed from top to bottom at the front end of the control switch box.

[0009] Preferably, the inner wall top end of the groove is provided with an electric rail two, the electric rail two is movably connected with a rail frame two, and the lower surface of the rail frame two is fixed with a mounting plate. Through the movable connection of the electric rail two and the rail frame two, the drilling device is convenient to move, and it is convenient to drill small windows at different positions of the circuit board.

[0010] Preferably, the fixing plate is provided with a threaded hole, a threaded rod penetrates through the threaded hole and is threadedly connected, the other side of the threaded rod is fixed with a rotating disc, the lower surface of the limiting block is fixed with a sliding block, and the sliding block is inserted into the sliding groove. Through the threaded connection of the threaded rod and the threaded hole, the limiting block can be moved by rotating the threaded rod, so that different sizes of circuit boards can be clamped and limited, and meanwhile, the rotating disc is movably connected with the limiting block, and the sliding block is inserted into the sliding groove, so that the limiting block can be limited, the limiting block is prevented from rotating with the threaded rod, and the circuit board can be limited.

[0011] Preferably, the side of the limiting block is provided with a limiting groove, and the edges and corners of the circuit board are inserted into the limiting groove. Through the limiting groove, the circuit board is conveniently inserted, so that the circuit board can be limited, and the circuit board is conveniently processed.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The utility model discloses a workbench fixed with a fixing plate on the upper surface of the cylinder top, and the fixing plate is movably connected with a rotating disc, and the rotating disc is movably connected with a limiting block, and the limiting block is inserted with a circuit board, when the circuit board is drilled and windowed, the circuit board is horizontally aligned with the center of the limiting groove, and then the threaded rod is rotated, so that the limiting plate moves, the edges and corners of the circuit board are inserted into the limiting groove, the rail frame one and the rail frame two can be moved as required, and the drilling device can be moved as required, the drilling device drills the circuit board at different positions, and the circuit board at different positions is conveniently processed. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the front view structure schematic drawing of the utility model;

[0015] Figure 2 It is the workbench cross section structure schematic drawing of the utility model;

[0016] Figure 3 It is the support side view structure schematic diagram of the utility model;

[0017] Figure 4 It is the support side view structure schematic diagram of the utility model;

[0018] Figure 5 It is the support side view structure schematic diagram of the utility model;

[0019] Figure 6 It is the support side view structure schematic diagram of the utility model.

[0020] In the drawing: 1, support column;2, workbench;3, recess;4, support;5, telescopic rod;6, drilling device;7, control switch box;8, long plate;9, rail frame one;10, electric rail one;11, electric rail two;12, rail frame two;13, mounting plate;14, cylinder;15, fixed plate;16, placing table;17, sliding groove;18, turntable;19, threaded rod;20, rotating column;21, limiting block;22, limiting groove;23, sliding block;24, threaded hole;25, circuit board. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1 to 6 The utility model provides an embodiment: a kind of tin sinking small window VIA hole tool, including workbench 2, rail frame one 9, rail frame two 12, threaded rod 19, rotating column 20, limiting block 21 and circuit board 25, long plate 8 is fixed in the rear end of the upper surface of workbench 2, four support columns 1 of rectangular array are fixed in the lower surface of workbench 2, control switch box 7 is fixed in the front end of workbench 2, display screen and button are sequentially embedded and installed in the front end of control switch box 7 from top to bottom, workbench 2 can be supported by four support columns 1, so that device overall is placed stable, the start and stop of drilling device 6 can be controlled by control switch box 7, electric rail one 10 is installed on the upper surface of long plate 8, electric rail one 10 is movably connected with rail frame one 9, support 4 is fixed on the upper surface of rail frame one 9.

[0023] The bracket 4 is provided with a groove 3 on one side, the inner wall top of the groove 3 is movably connected with a mounting plate 13, the inner wall top of the groove 3 is provided with an electric rail two 11, the electric rail two 11 is movably connected with a rail two 12, the lower surface of the rail two 12 is fixed with the mounting plate 13, the electric rail two 11 and the rail two 12 are movably connected, so as to facilitate the movement of the drilling device 6, facilitate the drilling and small window opening of the circuit board 25 at different positions, the lower surface of the mounting plate 13 is provided with an extension rod 5, the bottom end of the extension rod 5 is provided with the drilling device 6.

[0024] The upper surface of the workbench 2 is fixed with a cylinder 14, the top end of the cylinder 14 is fixed with a placing table 16, the upper surface of the placing table 16 is fixed with a fixed plate 15, the fixed plate 15 is threadedly connected with a threaded rod 19, the fixed plate 15 is provided with a threaded hole 24, one side of the threaded rod 19 penetrates through the threaded hole 24 and is threadedly connected, the other side of the threaded rod 19 is fixed with a rotating disc 18, the lower surface of a limiting block 21 is fixed with a sliding block 23, the sliding block 23 is inserted into a sliding groove 17, the threaded rod 19 is threadedly connected with the threaded hole 24, the rotating disc 18 is rotated, the limiting block 21 can be moved as needed, the circuit board 25 of different sizes can be clamped and limited, the rotating disc 18 is rotatably connected with the limiting block 21, the sliding block 23 is inserted into the sliding groove 17, the limiting block 21 can be limited, the limiting block 21 is prevented from rotating with the threaded rod 19, the circuit board 25 can be limited, the threaded rod 19 is fixed with the rotating disc 18, the rotating disc 18 is rotatably connected with the limiting block 21, the limiting block 21 is inserted with the circuit board 25, one side of the limiting block 21 is provided with a limiting groove 22, the edges and corners of the circuit board 25 are inserted into the limiting groove 22, the circuit board 25 is inserted into the limiting groove 22, the circuit board 25 can be limited, the circuit board 25 can be processed.

[0025] When the circuit board 25 needs to be drilled and windowed, the circuit board 25 is horizontally aligned with the limiting groove 22, the rotating disc 18 is rotated, the threaded rod 19 is rotated, the limiting block 21 is moved, the four edges and corners of the circuit board 25 are respectively inserted into the limiting groove 22, the sliding block 23 is moved in the sliding groove 17, the rail one 9 is moved on the electric rail one 10, the rail two 12 is moved on the electric rail two 11, the extension rod 5 is extended or retracted, the drilling device 6 is moved downward to process the circuit board 25 at different positions. The circuit board 25 of different sizes can be clamped and limited, the circuit board 25 at different positions can be processed.

[0026] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A tin sinking and window via tool, comprising a workbench (2), a rail frame I (9), a rail frame II (12), a threaded rod (19), a rotating column (20), a limiting block (21) and a circuit board (25), characterized in that: The upper surface of the workbench (2) is fixed with a long plate (8), the upper surface of the long plate (8) is installed with an electric rail (10), the electric rail (10) is movably connected with a rail frame (9), the upper surface of the rail frame (9) is fixed with a support (4), one side of the support (4) is provided with a groove (3), the inner wall top end of the groove (3) is movably connected with a mounting plate (13), the lower surface of the mounting plate (13) is installed with a telescopic rod (5), the bottom end of the telescopic rod (5) is installed with a drilling device (6), the upper surface of the workbench (2) is fixed with a cylinder (14), the top end of the cylinder (14) is fixed with a placing table (16), the upper surface of the placing table (16) is fixed with a fixed plate (15), the fixed plate (15) is threadedly connected with a threaded rod (19), the threaded rod (19) is fixed with a rotating column (20), the rotating column (20) is rotatably connected with a limiting block (21), the limiting block (21) is inserted with a circuit board (25).

2. The tool according to claim 1, wherein: The lower surface of the workbench (2) is fixed with four support columns (1) in a rectangular array.

3. The tool of claim 2, wherein: The front end of the workbench (2) is fixed with a control switch box (7), and a display screen and a button are sequentially embedded and installed from top to bottom at the front end of the control switch box (7).

4. The tool of claim 1, wherein: The inner wall top end of the groove (3) is installed with an electric rail (11), the electric rail (11) is movably connected with a rail frame (12), and the lower surface of the rail frame (12) is fixed with a mounting plate (13).

5. The tool of claim 1, wherein: The fixed plate (15) is provided with a threaded hole (24), one side of the threaded rod (19) penetrates through the threaded hole (24) and is threadedly connected, the other side of the threaded rod (19) is fixed with a rotating disc (18), the lower surface of the limiting block (21) is fixed with a sliding block (23), and the sliding block (23) is inserted into a sliding groove (17).

6. The tool of claim 1, wherein: One side of the limiting block (21) is provided with a limiting groove (22), and the edges of the circuit board (25) are inserted into the limiting groove (22).