Screw locking device for PCB assembly

Abstract

The utility model relates to the technical field of circuit board assembly, in particular to a screw locking device used for PCB assembly, which comprises a base, a loading plate used for positioning a board card is fixedly arranged on the upper portion of the base, a positioning assembly used for positioning and conveying a three-phase assembly is arranged on one side of the loading plate, and a screw locking assembly is arranged on the other side of the loading plate. The surface of the loading plate is provided with a loading area used for placing a board card, a plurality of first positioning pins are arranged at the corresponding positions in the loading area, each first positioning pin is composed of a stud and a nut, the studs are fixedly arranged on the surface of the loading plate, the nuts are arranged on the studs in a threaded and sleeving mode, and the nuts are fixedly arranged on the surface of the loading plate. A plurality of magnets used for attracting the bottom of the three-item assembly are arranged on the side, close to the positioning assembly, of the loading plate, and the positioning assembly comprises a sliding table which is fixedly arranged on the base and located on one side of the loading plate. According to the utility model, the board card and the three-phase assembly can be automatically calibrated conveniently, so that screw locking can be carried out through automatic equipment subsequently, and the quality and consistency of connection between the board card and the three-phase assembly are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board assembly, in particular to a screw locking device used for PCB board assembly. Background Art

[0002] Currently, in the circuit board processing process, after the IGBT is installed on the board, the board needs to be connected to three components and then locked with screws.

[0003] In the prior art, for the processing of this step, the board and the three components are generally positioned manually by taking screws, and then tightening them with tools, which causes deviations in the precision requirements for screw tightening and makes it impossible to ensure the quality of screw tightening. Utility Model Content

[0004] To solve the above technical problems, the utility model provides the following technical solutions: a screw locking device for PCB board assembly, comprising a base, a loading plate for positioning the board is fixedly provided on the upper part of the base, and a positioning component for positioning and conveying three components is provided on one side of the loading plate.

[0005] Preferably, a loading area for placing boards and cards is provided on the surface of the loading plate, and a plurality of positioning pins are provided at corresponding positions in the loading area.

[0006] Preferably, the positioning pin 1 is composed of a stud and a nut, the stud is fixedly arranged on the surface of the loading plate, and the nut is threadedly sleeved on the stud.

[0007] Preferably, a plurality of magnets for adsorbing the bottom of the three-component assembly are provided on one side of the loading plate close to the positioning assembly.

[0008] Preferably, the positioning assembly includes a slide fixedly mounted on the base and located on one side of the loading plate, the slide is provided with two slide rails, a positioning plate is movably arranged between the two slide rails, and a plurality of positioning pins are threadedly arranged on the positioning plate.

[0009] Preferably, the loading plate, the positioning plate and the slide are all made of bakelite material.

[0010] By means of the above technical solution, the utility model provides a screw locking device for PCB board assembly, which has at least the following beneficial effects:

[0011] 1. A screw locking device for PCB board assembly is provided with a loading plate and a positioning component to facilitate automatic calibration of the board and the three components, so as to realize subsequent screw locking through automated equipment to ensure the quality and consistency of the connection between the board and the three components.

[0012] 2. The screw locking device for PCB board assembly is made of bakelite material as a whole, has good insulation and wear resistance, thereby improving service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The drawings described herein are used to provide further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute improper limitations on the present application.

[0014] In the attached picture:

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

[0016] Figure 2 This is a schematic diagram of the structure of the utility model after installing the board and three components;

[0017] Figure 3 The utility model is a schematic diagram of the structure of the board and three components after being assembled and locked.

[0018] In the figure: 1. base; 2. loading plate; 3. positioning assembly; 301. slide; 302. slide rail; 303. positioning plate; 304. positioning pin 2; 4. loading area; 5. positioning pin 1; 6. magnet; 7. board; 8. three components. DETAILED DESCRIPTION

[0019] 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.

[0020] Embodiment 1

[0021] Combination Figure 1-Figure 3 As shown, the utility model provides: a screw locking device for PCB board assembly, comprising a base 1, a loading plate 2 for positioning a board 7 is fixedly arranged on the upper part of the base 1, and a positioning component 3 for positioning and conveying a three-component assembly 8 is installed on one side of the loading plate 2, which can automatically calibrate the combination after the board 7 and the three-component assembly 8 are fixed, and prevent misalignment during locking;

[0022] A loading area 4 for placing a board 7 is installed on the surface of the loading plate 2, and a plurality of positioning pins 5 are installed at corresponding positions in the loading area 4. The board 7 is placed in the loading area 4, and then the board 7 is fixed by the positioning pins. The positioning pins 5 are composed of studs and nuts. The studs are fixedly installed on the surface of the loading plate 2, and the nuts are threadedly sleeved on the studs. A plurality of magnets 6 for adsorbing the bottom of the three-item component 8 are installed on one side of the loading plate 2 close to the positioning component 3, which can adsorb and fix the three-item component 8 to prevent the three-item component 8 from running off during subsequent connections.

[0023] Embodiment 2

[0024] On the basis of Example 1, Figure 1-Figure 3 As shown, the positioning component 3 includes a slide 301 fixedly mounted on the base 1 and located on one side of the loading plate 2, two slide rails 302 are mounted on the slide 301, a positioning plate 303 is movably mounted between the two slide rails 302, the positioning plate 303 slides back and forth on the slide 301 through the two slide rails 302, a plurality of positioning pins 2 304 are threadedly mounted on the positioning plate 303, the three-item component 8 is fixed by the positioning pins 2 304, and the three-item component 8 is moved toward the board 7 by pushing the positioning plate 303, and after moving into place, the bottom bracket of the three-item component 8 is adsorbed by the magnet 6, so that the board 7 and the three-item component 8 are relatively fixed, which is convenient for the subsequent automatic screw locking of the device;

[0025] The loading plate 2, the positioning plate 303 and the slide 301 are all made of bakelite material, which is easy to process and has good insulation and wear resistance, so that the device has a stable structure and a longer service life.

[0026] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0027] 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 screw locking device for PCB board assembly, characterized in that: It comprises a base (1), the upper part of which is fixedly provided with a loading plate (2) for positioning a board (7), and one side of the loading plate (2) is provided with a positioning component (3) for positioning and transporting three components (8).

2. The screw locking device for PCB board assembly according to claim 1, characterized in that: The surface of the loading plate (2) is provided with a loading area (4) for placing a board card (7), and a plurality of positioning pins (5) are provided at corresponding positions in the loading area (4).

3. The screw locking device for PCB board assembly according to claim 2, characterized in that: The positioning pin 1 (5) is composed of a stud and a nut. The stud is fixedly arranged on the surface of the loading plate (2), and the nut is threadedly sleeved on the stud.

4. The screw locking device for PCB board assembly according to claim 1, characterized in that: A plurality of magnets (6) for adsorbing the bottom of the three-component assembly (8) are arranged on one side of the loading plate (2) close to the positioning assembly (3).

5. The screw locking device for PCB board assembly according to claim 1, characterized in that: The positioning assembly (3) comprises a slide (301) fixedly arranged on the base (1) and located on one side of the loading plate (2); two slide rails (302) are arranged on the slide (301); a positioning plate (303) is movably arranged between the two slide rails (302); and a plurality of positioning pins (304) are threadedly arranged on the positioning plate (303).

6. The screw locking device for PCB board assembly according to claim 1, characterized in that: The loading plate (2), the positioning plate (303) and the slide table (301) are all made of bakelite material.

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