Alignment jig for circuit board welding pretreatment

Abstract

The utility model provides an alignment jig for circuit board welding pretreatment, which comprises a main body assembly, the top of the main body assembly is provided with a positioning assembly, and the positioning assembly comprises a positioning table, a second motor, a second groove, a second bidirectional screw rod, a second sliding block, a positioning column, a circuit board and a positioning hole; and a second motor is installed on one side of the positioning table, a second groove is formed in the upper surface of the positioning table, and a second two-way lead screw is rotationally connected to the inner side wall of the second groove. The second motor drives the second bidirectional lead screw to rotate, so that the two second sliding blocks move, the positioning columns are driven to move, the positioning columns are matched with the positioning holes, positioning of the circuit board is completed, the positioning requirements of circuit boards of different sizes can be met, and the positioning efficiency is improved. The first motor drives the first two-way lead screw to move, the distance between the pressing rods can be adjusted according to the size of the circuit board, fixing of the circuit boards of different sizes is completed, and the universality of the alignment jig is improved.

Description

Technical Field

[0001] The utility model relates to an alignment jig, in particular to an alignment jig for pre-processing a circuit board during welding, and belongs to the technical field of circuit board processing. Background Art

[0002] Circuit board, also known as printed circuit board (PCB), is an indispensable component of electronic equipment. It realizes electrical connection and mechanical support between electronic components by processing conductive patterns on insulating substrates. With the rapid development of electronic technology, the circuit board industry continues to evolve, and innovative trends such as high-density interconnection technology, environmentally friendly materials, and flexible circuit boards continue to emerge to meet the increasingly complex and diverse needs of electronic equipment. At the same time, the advancement of automation and intelligent manufacturing, as well as the popularization of technologies such as 5G communications and the Internet of Things, have brought new development opportunities to the circuit board industry.

[0003] Circuit boards need to be aligned before welding to ensure that the components, wires, holes, etc. on the circuit boards can be accurately aligned to ensure the normal operation of the circuits. Manual alignment has the problems of low precision and efficiency. Therefore, modern manufacturing fields are increasingly inclined to use advanced visual systems to automatically complete alignment operations. Before alignment, the circuit boards need to be fixed by jigs. Most of the existing alignment jigs have fixed sizes and cannot be changed according to the size of the circuit boards. As a result, the alignment jigs need to be customized according to the size of the circuit boards, which increases the alignment cost. Therefore, an alignment jig for pre-treatment of circuit board welding is proposed. Utility Model Content

[0004] In view of this, the utility model provides a positioning fixture for pre-treatment of circuit board welding to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0005] The technical solution of the embodiment of the utility model is implemented as follows: a positioning fixture for pre-processing of a circuit board for welding, comprising a main body component, a positioning component is arranged on the top of the main body component, and the positioning component comprises a positioning platform, a second motor, a second groove, a second bidirectional screw rod, a second slider, a positioning column, a circuit board and a positioning hole;

[0006] A second motor is installed on one side of the positioning platform, a second groove is opened on the upper surface of the positioning platform, a second bidirectional screw is rotatably connected to the inner side wall of the second groove, an output shaft of the second motor is fixedly connected to one end of the second bidirectional screw, an outer side wall of the second bidirectional screw is symmetrically threadedly connected to two second sliders, a positioning column is fixedly connected to the upper surface of the second slider, a circuit board is set on the upper surface of the positioning platform, positioning holes are opened on both sides of the circuit board, and the positioning column is set inside the positioning hole.

[0007] Further preferably: the main body assembly includes a bottom plate and a limiting hole;

[0008] The upper surface of the bottom plate is symmetrically provided with limiting holes.

[0009] Further preferably, two electric guide rails are symmetrically mounted on the upper surface of the base plate, and the positioning platform is slidably connected to the top of the electric guide rails.

[0010] Further preferably, two second motors are symmetrically mounted on the front surface of the base plate.

[0011] Further preferably, two first grooves are symmetrically formed on the upper surface of the bottom plate.

[0012] Further preferably, a first bidirectional screw rod is rotatably connected to an inner side wall of the first groove, and an output shaft of the second motor is fixedly connected to one end of the first bidirectional screw rod.

[0013] Further preferably, the outer side wall of the first bidirectional screw rod is symmetrically threadedly connected with two first sliding blocks.

[0014] Further preferably, an electric telescopic rod is installed on the top of the first sliding block, and a pressure rod is fixedly connected to the top of the electric telescopic rod.

[0015] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0016] 1. The utility model drives the second bidirectional screw to rotate through the second motor, so that the two second slide blocks move, drive the positioning column to move, and use the positioning column and the positioning hole to cooperate to complete the positioning of the circuit board, which can meet the positioning requirements of circuit boards of different sizes and improve the positioning efficiency.

[0017] Second, the utility model drives the first bidirectional screw rod to move through the first motor, and can adjust the distance between the pressure rods according to the size of the circuit board, thereby completing the fixation of circuit boards of different sizes and improving the versatility of the alignment fixture.

[0018] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a structural diagram of the utility model;

[0021] Figure 2 This is an enlarged structural diagram of point A of the utility model;

[0022] Figure 3 It is a top view of the structure of the utility model;

[0023] Figure 4 This is a structural diagram of the positioning platform of the utility model.

[0024] Figure numerals: 10, main body assembly; 11, bottom plate; 12, limit hole; 13, electric guide rail; 14, first motor; 15, first groove; 16, first bidirectional screw rod; 17, first slider; 18, electric telescopic rod; 19, pressure rod; 20, positioning assembly; 21, positioning platform; 22, second motor; 23, second groove; 24, second bidirectional screw rod; 25, second slider; 26, positioning column; 27, circuit board; 28, positioning hole. DETAILED DESCRIPTION

[0025] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0026] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0027] like Figure 1-4 As shown, the embodiment of the utility model provides a positioning fixture for pre-processing of a circuit board welding, including a main body component 10, a positioning component 20 is arranged on the top of the main body component 10, and the positioning component 20 includes a positioning table 21, a second motor 22, a second groove 23, a second bidirectional screw rod 24, a second slider 25, a positioning column 26, a circuit board 27 and a positioning hole 28;

[0028] A second motor 22 is installed on one side of the positioning platform 21. A second groove 23 is provided on the upper surface of the positioning platform 21. A second bidirectional screw rod 24 is rotatably connected to the inner side wall of the second groove 23. The output shaft of the second motor 22 is fixedly connected to one end of the second bidirectional screw rod 24. Two second sliders 25 are symmetrically threadedly connected to the outer side wall of the second bidirectional screw rod 24. A positioning column 26 is fixedly connected to the upper surface of the second slider 25. A circuit board 27 is provided on the upper surface of the positioning platform 21. Positioning holes 28 are provided on both sides of the circuit board 27. The positioning column 26 is arranged inside the positioning hole 28. The second motor 22 drives the second bidirectional screw rod 24 to rotate, so that the two second sliders 25 move, and the positioning column 26 is driven to move. The distance between the positioning columns 26 is adjusted according to the size of the circuit board 27. After the adjustment is completed, the positioning holes 28 on the circuit board 27 are aligned with the positioning columns 26, and the circuit board 27 is placed on the positioning platform 21. The number of positioning columns 26 on the second slider 25 can be increased as needed, and the increased positioning columns 26 are arranged in parallel with the original positioning columns 26.

[0029] In this embodiment, specifically: the main body assembly 10 includes a bottom plate 11 and a limiting hole 12;

[0030] The upper surface of the bottom plate 11 is symmetrically provided with limit holes 12 , which cooperate with the positioning pins on the workbench of the visual inspection system to fix the alignment fixture.

[0031] In this embodiment, specifically: two electric guide rails 13 are symmetrically installed on the upper surface of the bottom plate 11, and the positioning platform 21 is slidably connected to the top of the electric guide rails 13. The electric guide rails 13 are used to drive the positioning platform 21 to move so that the positioning platform 21 is close to the staff.

[0032] In this embodiment, specifically: two first motors 14 are symmetrically mounted on the front surface of the bottom plate 11 , and the model of the first motor 14 is ZWSMD042042-62.

[0033] In this embodiment, specifically: two first grooves 15 are symmetrically formed on the upper surface of the bottom plate 11 .

[0034] In this embodiment, specifically: the inner wall of the first groove 15 is rotatably connected to the first bidirectional screw rod 16, the output shaft of the first motor 14 is fixedly connected to one end of the first bidirectional screw rod 16, and the bidirectional screw rod is driven to rotate by the operation of the motor. The first motor 14 and the second motor 22 are both servo motors.

[0035] In this embodiment, specifically: the outer side wall of the first bidirectional screw rod 16 is symmetrically threadedly connected with two first sliders 17 , and the movement of the first sliders 17 drives the electric telescopic rod 18 and the pressure rod 19 to move.

[0036] In this embodiment, specifically: an electric telescopic rod 18 is installed on the top of the first slider 17, and a pressure rod 19 is fixedly connected to the top of the electric telescopic rod 18. The electric telescopic rod 18 is contracted to make the pressure rod 19 press the circuit board 27, so as to fix the circuit boards 27 of different sizes. A clearance groove can be set on the pressure rod 19 according to the position of the electronic components of the circuit board 27.

[0037] When the utility model is working, the electric guide rail 13 is used to drive the positioning platform 21 to move, so that the positioning platform 21 is close to the staff, and the second motor 22 is used to drive the second bidirectional screw rod 24 to rotate, so that the two second sliders 25 are moved, and the positioning posts 26 are driven to move, and the distance between the positioning posts 26 is adjusted according to the size of the circuit board 27. After the adjustment is completed, the positioning holes 28 on the circuit board 27 are aligned with the positioning posts 26, and the circuit board 27 is placed on the positioning platform 21. After the positioning is completed, the positioning platform 21 is reset, and the first motor 14 is used to drive the first bidirectional screw rod 16 to move, so that the first slider 17 is moved, and the distance between the pressure rods 19 is adjusted according to the size of the circuit board 27. The electric telescopic rod 18 is contracted to make the pressure rod 19 press the circuit board 27, so as to complete the fixation of circuit boards 27 of different sizes, thereby improving the versatility of the alignment fixture.

[0038] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which 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 of the claims.

Claims

1. A positioning jig for pre-treatment of circuit board welding, comprising a main assembly (10), characterized in that: A positioning assembly (20) is arranged on the top of the main assembly (10), and the positioning assembly (20) comprises a positioning platform (21), a second motor (22), a second groove (23), a second bidirectional screw rod (24), a second slider (25), a positioning column (26), a circuit board (27) and a positioning hole (28); A second motor (22) is installed on one side of the positioning platform (21); a second groove (23) is provided on the upper surface of the positioning platform (21); a second bidirectional screw rod (24) is rotatably connected to the inner side wall of the second groove (23); an output shaft of the second motor (22) is fixedly connected to one end of the second bidirectional screw rod (24); two second sliders (25) are symmetrically threadedly connected to the outer side wall of the second bidirectional screw rod (24); a positioning column (26) is fixedly connected to the upper surface of the second slider (25); a circuit board (27) is provided on the upper surface of the positioning platform (21); positioning holes (28) are provided on both sides of the circuit board (27); and the positioning column (26) is arranged inside the positioning hole (28).

2. The alignment jig for pre-treatment of circuit board welding according to claim 1, characterized in that: The main body component (10) comprises a bottom plate (11) and a limiting hole (12); The upper surface of the bottom plate (11) is symmetrically provided with limiting holes (12).

3. The alignment jig for pre-treatment of circuit board welding according to claim 2, characterized in that: Two electric guide rails (13) are symmetrically mounted on the upper surface of the base plate (11), and the positioning platform (21) is slidably connected to the top of the electric guide rails (13).

4. The alignment jig for pre-treatment of circuit board welding according to claim 3, characterized in that: Two first motors (14) are symmetrically mounted on the front surface of the base plate (11).

5. The alignment jig for pre-treatment of circuit board welding according to claim 4, characterized in that: Two first grooves (15) are symmetrically formed on the upper surface of the bottom plate (11).

6. The alignment jig for pre-treatment of circuit board welding according to claim 5, characterized in that: The inner side wall of the first groove (15) is rotatably connected to a first bidirectional screw rod (16), and the output shaft of the first motor (14) is fixedly connected to one end of the first bidirectional screw rod (16).

7. The alignment jig for pre-treatment of circuit board welding according to claim 6, characterized in that: The outer side wall of the first bidirectional screw rod (16) is symmetrically threadedly connected with two first sliding blocks (17).

8. The alignment jig for pre-treatment of circuit board welding according to claim 7, characterized in that: An electric telescopic rod (18) is installed on the top of the first sliding block (17), and a pressure rod (19) is fixedly connected to the top of the electric telescopic rod (18).

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