Tool jig for circuit board drilling

Abstract

The utility model relates to the technical field of circuit board processing, in particular to a tool jig for circuit board drilling, which comprises a jig base, a chip groove, a support plate and a bidirectional adjusting screw rod, the chip groove is arranged on the inner side of the jig base, the support plate is slidably connected in the chip groove, the bidirectional adjusting screw rod is spirally connected in the middle position in the support plate, and the bidirectional adjusting screw rod is arranged in the chip groove. The upper end of one side of the jig base is slidably connected with a position-adjustable fixing frame with a locking function, the interior of the fixing frame is slidably connected with a limiting mechanism, and a positioning mechanism is mounted on the outer side of the middle of the limiting mechanism; the positioning mechanism comprises a positioning plate, and guide columns are welded and fixed to the two sides of the upper end of the positioning plate, in the actual operation process, circuit boards with the edges in different shapes can be positioned, for example, the circuit boards with the arc-shaped and semicircular edges, the circuit boards with the linear edges and the circuit boards with the special-shaped edges, and the circuit boards with the arc-shaped and semicircular edges and the circuit boards with the special-shaped edges can be accurately positioned. And the stability of the circuit boards with the edges in different shapes in the drilling process can be ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board processing, in particular to a tooling fixture for drilling holes in a circuit board. Background Art

[0002] A circuit board drilling tool, also known as a circuit board drilling fixture or circuit board drilling template, is a special tool used to fix and position circuit boards and drill holes on them. It is widely used in the printed circuit board (PCB) processing process of circuit board manufacturing and is an indispensable auxiliary tool in the circuit board manufacturing process.

[0003] The existing circuit board drilling jigs used in some small factories realize the positioning of the circuit board by means of a fixed clamp block and a movable clamp block with adjustable position. It is difficult to position the circuit boards with special shapes, arc-shaped edges and semicircular shapes during the production process. Therefore, a circuit board drilling jig is proposed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a circuit board drilling tooling jig to solve the problem that the circuit board drilling tooling jig used in some existing small factories realizes the positioning of the circuit board through a fixed clamping block and a movable clamping block with adjustable position, and it is difficult to position the circuit boards with special shapes, arc edges and semicircular shapes during the production process.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The cam is provided with a plurality of adjustment screws, and the adjustment screws are provided in a plurality of ways.

[0007] As a further optimization of the present invention, there are two support plates, which are parallel to each other, and the angle between the support plates and the bidirectional adjustment screw is 90°, and both ends of the bidirectional adjustment screw are rotatably connected to the fixture base.

[0008] As a further optimization of the present invention, the fixed frame includes a frame body, the frame body is in the shape of a "mouth", a circular hole is opened on the inner side of one end of the frame body, and there are several circular holes, which correspond one to one with the limiting mechanisms, and the frame body is slidably connected to the round tube through the circular holes.

[0009] As a further optimization of the present invention, both ends of the positioning plate are welded and fixed to the inner side of one end of the fixed frame, the positioning plate is parallel to the movable plate and the fixed plate, the angle between the positioning plate and the guide column is 90°, and two guide columns are provided.

[0010] As a further optimization of the present invention, there are a number of semicircular holes opened on the inner sides of the positioning plate and the movable plate, the semicircular holes opened inside the positioning plate correspond one-to-one with the semicircular holes opened inside the movable plate, and the semicircular holes correspond one-to-one with the limiting mechanisms.

[0011] As a further optimization of the present invention, the bottom end of the locking screw is rotationally connected to the movable plate, and the angle formed between the locking screw and the movable plate is 90°.

[0012] As a further optimization of the present invention, one end of the rubber head away from the circular tube is arc-shaped, the rubber head, the circular tube and the transverse column correspond one to one, and one end of the transverse column away from the circular tube is welded and fixed to a fixing frame.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, by providing a positioning mechanism and a limiting mechanism, circuit boards with different edge shapes can be positioned during actual operation, for example, circuit boards with arc-shaped and semicircular edges, circuit boards with straight edges, and circuit boards with special-shaped edges, thereby ensuring the stability of circuit boards with different edge shapes during the drilling process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the fixing frame of the utility model;

[0017] Figure 3 This is a schematic diagram of the positioning mechanism structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the limiting mechanism of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the rubber head of the utility model.

[0020] In the figure: 1. fixture base; 2. chip removal groove; 3. support plate; 4. two-way adjustment screw;

[0021] 5. fixed frame; 51. frame body; 52. round hole;

[0022] 6. Positioning mechanism; 61. Positioning plate; 62. Guide column; 63. Moving plate; 64. Sliding hole; 65. Semicircular hole; 66. Fixed plate; 67. Threaded hole; 68. Locking screw;

[0023] 7. Limiting mechanism; 71. Rubber head; 72. Round tube; 73. Telescopic spring; 74. Transverse column. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0026] See also Figure 1-5 , the utility model provides a technical solution:

[0027] A tooling jig for drilling holes in a circuit board comprises a jig base 1, a chip removal groove 2, a support plate 3 and a bidirectional adjustment screw 4. The jig base 1 is provided with a chip removal groove 2 on the inner side, the chip removal groove 2 is slidably connected with the support plate 3, the support plate 3 is spirally connected with a bidirectional adjustment screw 4 at the middle position inside, the upper end of one side of the jig base 1 is slidably connected with a fixed frame 5 with a position adjustment and a locking function, the fixed frame 5 is slidably connected with a limiting mechanism 7 inside, and a positioning mechanism 6 is installed on the outer side of the middle of the limiting mechanism 7; the positioning mechanism 6 comprises a positioning plate 6 1. Guide columns 62 are welded and fixed on both sides of the upper end of the positioning plate 61. The outer side of the upper end of the guide column 62 is slidably connected to a movable plate 63 through a sliding hole 64. A fixed plate 66 is welded and fixed to the top of the movable plate 63. A locking screw 68 is spirally connected to the inner side of the fixed plate 66 through a threaded hole 67. Semicircular holes 65 are opened inside the positioning plate 61 and the movable plate 63. The limiting mechanism 7 includes a rubber head 71. A round tube 72 is fixedly connected to one end of the rubber head 71. A transverse column 74 is slidably connected to the inner side of the other end of the round tube 72 through a telescopic spring 73.

[0028] As a further implementation of this solution, two support plates 3 are provided, the support plates 3 are parallel to each other, the angle between the support plate 3 and the bidirectional adjustment screw 4 is 90°, and both ends of the bidirectional adjustment screw 4 are rotatably connected to the fixture base 1, which can stably support the circuit board during the production process;

[0029] As a further implementation of the present scheme, the fixing frame 5 includes a frame body 51, the frame body 51 is in the shape of a "mouth", a circular hole 52 is opened on the inner side of one end of the frame body 51, a plurality of circular holes 52 are provided, and the circular holes 52 correspond to the limiting mechanisms 7 one by one. The frame body 51 is slidably connected to the circular tube 72 through the circular holes 52. The fixing frame 5 provided as above can position the positioning mechanism 6 and the limiting mechanism 7;

[0030] As a further implementation of this scheme, both ends of the positioning plate 61 are welded and fixed to the inner side of one end of the fixing frame 5, the positioning plate 61 is parallel to the movable plate 63 and the fixed plate 66, the angle formed between the positioning plate 61 and the guide column 62 is 90°, there are two guide columns 62, and there are several semicircular holes 65 opened on the inner sides of the positioning plate 61 and the movable plate 63, the semicircular holes 65 opened inside the positioning plate 61 correspond to the semicircular holes 65 opened inside the movable plate 63 one by one, and the semicircular holes 65 correspond to the limiting mechanism 7 one by one, the bottom end of the locking screw 68 is rotatably connected to the movable plate 63, and the angle formed between the locking screw 68 and the movable plate 63 is 90°, and the position of the limiting mechanism 7 can be limited by the positioning mechanism 6 set as above to meet the needs of fixing circuit boards of different shapes;

[0031] As a further implementation scheme of the present scheme, the end of the rubber head 71 away from the circular tube 72 is arc-shaped, and there is a one-to-one correspondence between the rubber head 71, the circular tube 72 and the transverse column 74. The end of the transverse column 74 away from the circular tube 72 is welded and fixed to the fixing frame 5. Through the above-mentioned limiting mechanism 7, the circuit board can be further stably limited.

[0032] Working process: when using the tooling jig for drilling holes in circuit boards, the staff first adjusts the distance between the support plates 3 according to the width of the circuit boards, and the adjustment can be achieved by rotating the two-way adjustment screw 4. After the adjustment is completed, the circuit board is placed at the upper end of the support plate 3. After the placement is completed, the staff adjusts the position of the fixing frame 5 so that the top of the rubber head 71 squeezes one end of the circuit board. At this time, the edge of one side of the circuit board can be positioned by setting multiple limiting mechanisms 7. After the positioning is completed, the tensioning screw 68 is rotated to limit the circular tube 72, and then the rubber head 71 is positioned. This setting can position circuit boards with different edge shapes during actual operation, for example: circuit boards with arc-shaped edges, circuit boards with straight edges, and circuit boards with special-shaped edges, which can ensure the stability of circuit boards with different edge shapes during the drilling process.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A jig for drilling holes in a circuit board, comprising a jig base (1), a chip removal groove (2), a support plate (3) and a bidirectional adjustment screw (4), characterized in that: The jig base (1) is provided with a chip removal groove (2) on the inner side, a support plate (3) is slidably connected inside the chip removal groove (2), a bidirectional adjustment screw (4) is spirally connected at the middle position inside the support plate (3), a fixed frame (5) with adjustable position and locking function is slidably connected at the upper end of one side of the jig base (1), a limiting mechanism (7) is slidably connected inside the fixed frame (5), and a positioning mechanism (6) is installed on the outer side of the middle of the limiting mechanism (7); The positioning mechanism (6) comprises a positioning plate (61), guide columns (62) are welded and fixed on both sides of the upper end of the positioning plate (61), a movable plate (63) is slidably connected to the outer side of the upper end of the guide column (62) through a sliding hole (64), a fixed plate (66) is welded and fixed to the top of the movable plate (63), a locking screw (68) is spirally connected to the inner side of the fixed plate (66) through a threaded hole (67), and semicircular holes (65) are opened inside the positioning plate (61) and the movable plate (63); The limiting mechanism (7) comprises a rubber head (71), one end of the rubber head (71) is fixedly connected to a round tube (72), and the other end of the round tube (72) is slidably connected to a transverse column (74) on the inner side via a telescopic spring (73).

2. A circuit board drilling tool according to claim 1, characterized in that: Two support plates (3) are provided, the support plates (3) are parallel to each other, the angle formed between the support plates (3) and the bidirectional adjustment screw (4) is 90°, and both ends of the bidirectional adjustment screw (4) are rotatably connected to the fixture base (1).

3. The circuit board drilling tool according to claim 1, characterized in that: The fixing frame (5) comprises a frame body (51), the frame body (51) is in the shape of a "mouth", a circular hole (52) is provided on the inner side of one end of the frame body (51), a plurality of circular holes (52) are provided, the circular holes (52) correspond to the limiting mechanisms (7) one by one, and the frame body (51) is slidably connected to the circular tube (72) via the circular holes (52).

4. The circuit board drilling tool according to claim 1, characterized in that: Both ends of the positioning plate (61) are welded and fixed to the inner side of one end of the fixing frame (5); the positioning plate (61) is parallel to the movable plate (63) and the fixing plate (66); the angle formed between the positioning plate (61) and the guide column (62) is 90°, and two guide columns (62) are provided.

5. The circuit board drilling tool according to claim 1, characterized in that: A plurality of semicircular holes (65) are provided on the inner sides of the positioning plate (61) and the movable plate (63). The semicircular holes (65) provided inside the positioning plate (61) correspond one-to-one to the semicircular holes (65) provided inside the movable plate (63), and the semicircular holes (65) correspond one-to-one to the limiting mechanisms (7).

6. The circuit board drilling tool according to claim 1, characterized in that: The bottom end of the locking screw (68) is rotatably connected to the movable plate (63), and the angle formed between the locking screw (68) and the movable plate (63) is 90°.

7. The circuit board drilling tool according to claim 1, characterized in that: One end of the rubber head (71) away from the circular tube (72) is arc-shaped, and there is a one-to-one correspondence between the rubber head (71), the circular tube (72) and the transverse column (74). One end of the transverse column (74) away from the circular tube (72) is welded and fixed to the fixing frame (5).

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