Magnetic core welding jig

Abstract

The utility model discloses a magnetic core welding jig which comprises a base plate assembly, a circuit board fixing assembly and a magnetic core fixing assembly, and the circuit board fixing assembly is installed on the upper end face of the base plate assembly. The circuit board fixing assembly comprises a mounting plate, a sliding block fixing plate is mounted on the upper portion of the left end of the mounting plate, a small push block is mounted on the upper portion of the left end of the sliding block fixing plate, a precise sliding rail is mounted between the sliding block fixing plate and the mounting plate, and one end of a springback tension spring is mounted on the front side wall of the sliding block fixing plate. The other end of the springback tension spring is connected with the magnetic core fixing assembly; the magnetic core welding device solves the problems that some magnetic cores applied to a circuit board usually need to be welded in use at present, but the existing welding technology has the problems of low positioning precision, untidy welding, incapability of being operated by a single person and the like, so that the welding efficiency is low.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic core welding, in particular to a magnetic core welding jig. Background Art

[0002] A magnetic core is a material used in electronic components. Common magnetic core materials include ferrite, Teflon, and iron oxide. Magnetic cores are widely used in electronic devices such as transformers, inductors, filters, tuners, and disk drives.

[0003] Currently, some magnetic cores used on circuit boards usually need to be welded when used. However, existing welding technology has problems such as low positioning accuracy, uneven welding, and inability to be operated by one person, resulting in low welding efficiency.

[0004] In order to solve the above problems, a magnetic core welding jig is proposed in this application. Utility Model Content

[0005] In response to the problems in the related art, the utility model provides a magnetic core welding jig, which can improve welding efficiency, reduce labor and save costs.

[0006] To this end, the specific technical solutions adopted in this utility model are as follows:

[0007] A magnetic core welding jig comprises a chassis assembly, a circuit board fixing assembly and a magnetic core fixing assembly, wherein the circuit board fixing assembly is mounted on the upper end surface of the chassis assembly;

[0008] The circuit board fixing assembly includes a mounting plate, a slider fixing plate is installed on the upper left end of the mounting plate, a small push block is installed on the upper left end of the slider fixing plate, a precision slide rail is installed between the slider fixing plate and the mounting plate, one end of a rebound tension spring is installed on the front side wall of the slider fixing plate, and the other end of the rebound tension spring is connected to the magnetic core fixing assembly;

[0009] The magnetic core fixing assembly includes a magnetic core fixing base, which is installed on the upper right end of the mounting plate, the other end of the rebound spring is installed on the front side wall of the magnetic core fixing base, the magnetic core fixing body is installed on the magnetic core fixing base, the magnetic core fixing body is installed with a guide column, and a cam handle is rotatably installed on the guide column.

[0010] As a further solution of the present invention, the chassis assembly includes a base plate, a front angle fixing plate is installed on the upper left end of the base plate, and a rear axle fixing block is installed on the upper right end of the base plate.

[0011] As a further solution of the present invention, the left end of the mounting plate is installed between the two front angle fixing plates.

[0012] As a further solution of the present invention, the right end of the mounting plate is installed between the two rear axle fixing blocks.

[0013] As a further solution of the present invention, a spring is installed between the cam handle and the guide post to facilitate fixing the magnetic core.

[0014] The beneficial effects of the utility model are:

[0015] The utility model combines the chassis component, the circuit board fixing component and the magnetic core fixing component into one body through the coordinated work of the three. When in use, the precision slide rail in the circuit board fixing component ensures the alignment of the circuit board and the magnetic core, and the rebound tension spring ensures the close contact between the circuit board and the magnetic core. In addition, the integrated structural design allows one person to quickly complete the work of two people and can accurately ensure the alignment of the circuit board and the magnetic core, thereby improving efficiency, reducing labor and saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of a magnetic core welding jig according to an embodiment of the present utility model.

[0018] In the picture:

[0019] 1. Chassis assembly; 101. Bottom plate; 102. Front angle fixing plate; 103. Rear axle fixing block; 2. Circuit board fixing assembly; 3. Magnetic core fixing assembly; 4. Mounting plate; 5. Slider fixing plate; 6. Small push block; 7. Precision slide rail; 8. Rebound spring; 9. Magnetic core fixing base; 10. Magnetic core fixing body; 11. Guide column; 12. Cam handle. DETAILED DESCRIPTION

[0020] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. By referring to these contents, ordinary technicians in this field should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0021] According to an embodiment of the present utility model, a magnetic core welding jig is provided.

[0022] Please refer to the instruction manual Figure 1 According to the magnetic core welding jig of the embodiment of the present utility model, it includes a chassis assembly 1, a circuit board fixing assembly 2 and a magnetic core fixing assembly 3. The circuit board fixing assembly 2 is installed on the upper end surface of the chassis assembly 1; the circuit board fixing assembly 2 includes a mounting plate 4, a slider fixing plate 5 is installed on the upper left end of the mounting plate 4, a small push block 6 is installed on the upper left end of the slider fixing plate 5, a precision slide rail 7 is installed between the slider fixing plate 5 and the mounting plate 4, and a rebound tension spring 8 is installed on the front side wall of the slider fixing plate 5. The other end of the rebound tension spring 8 is connected to the core fixing assembly 3; the core fixing assembly 3 includes a core fixing base 9, which is mounted on the upper right end of the mounting plate 4. The other end of the rebound tension spring 8 is mounted on the front side wall of the core fixing base 9. A core fixing body 10 is mounted on the core fixing base 9, and a guide post 11 is mounted on the core fixing body 10. A cam handle 12 is rotatably mounted on the guide post 11, and a spring is installed between the cam handle 12 and the guide post 11. The chassis assembly 1, circuit board fixing assembly 2, and core fixing assembly 3 are arranged to work together to form a whole. When in use, the precision slide rail 7 in the circuit board fixing assembly 2 ensures the alignment of the circuit board and the core, while the rebound tension spring 8 ensures the close contact between the circuit board and the core. In addition, the integrated structural design allows one person to quickly complete the work of two people and accurately ensure the alignment of the circuit board and the core, thereby improving efficiency, reducing labor, and saving costs.

[0023] In one embodiment, please refer to the appendix of the specification. Figure 1 As a further embodiment of the present invention, the chassis assembly 1 includes a base plate 101. A front angle fixing plate 102 is mounted on the upper left end of the base plate 101. A rear axle fixing block 103 is mounted on the upper right end of the base plate 101. The left end of the mounting plate 4 is mounted between the two front angle fixing plates 102, and the right end of the mounting plate 4 is mounted between the two rear axle fixing blocks 103. The coordinated operation of the base plate 101, the front angle fixing plate 102, and the rear axle fixing block 103 facilitates the installation and use of the circuit board fixing assembly 2 and the magnetic core fixing assembly 3.

[0024] Working process: When in use, first install the fixture to the predetermined position, then place the magnetic core on the cam handle 12 to fix the magnetic core, and then pull the slider fixing plate 5 to the left end through the small push block 6 and the precision slide rail 7, and then place the circuit board on the slider fixing plate 5 to fix it, and then release the small push block 6. Under the action of the rebound spring 8, the slider fixing plate 5 drives the circuit board to slide to the magnetic core through the precision slide rail 7, and then welding can be carried out.

[0025] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A magnetic core welding jig, comprising a chassis assembly (1), a circuit board fixing assembly (2) and a magnetic core fixing assembly (3), characterized in that: A circuit board fixing assembly (2) is mounted on the upper end surface of the chassis assembly (1); The circuit board fixing assembly (2) includes a mounting plate (4), a slider fixing plate (5) is installed on the upper left end of the mounting plate (4), a small push block (6) is installed on the upper left end of the slider fixing plate (5), a precision slide rail (7) is installed between the slider fixing plate (5) and the mounting plate (4), one end of a rebound tension spring (8) is installed on the front side wall of the slider fixing plate (5), and the other end of the rebound tension spring (8) is connected to the magnetic core fixing assembly (3); The magnetic core fixing assembly (3) includes a magnetic core fixing base (9), the magnetic core fixing base (9) is mounted on the upper right end of the mounting plate (4), the other end of the rebound tension spring (8) is mounted on the front side wall of the magnetic core fixing base (9), a magnetic core fixing body (10) is mounted on the magnetic core fixing base (9), a guide column (11) is mounted on the magnetic core fixing body (10), and a cam handle (12) is rotatably mounted on the guide column (11).

2. The magnetic core welding jig according to claim 1, characterized in that: The chassis assembly (1) comprises a bottom plate (101), a front angle fixing plate (102) is mounted on the upper left end of the bottom plate (101), and a rear axle fixing block (103) is mounted on the upper right end of the bottom plate (101).

3. The magnetic core welding jig according to claim 2, characterized in that: The left end of the mounting plate (4) is mounted between the two front angle fixing plates (102).

4. The magnetic core welding jig according to claim 2, characterized in that: The right end of the mounting plate (4) is mounted between the two rear axle fixing blocks (103).

5. The magnetic core welding jig according to claim 1, characterized in that: A spring is installed between the cam handle (12) and the guide post (11).

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