Multifunctional tool for winding micro coil

Abstract

The invention provides a multifunctional tool for winding a miniature coil. The multifunctional tool comprises a mandrel, the core shaft is sleeved with a starting end fixing mechanism and a tail end fixing mechanism, and a coil frame connected to the core shaft in a sleeving mode is arranged between the starting end fixing mechanism and the tail end fixing mechanism. The starting end fixing mechanism is provided with an enameled wire protective film fixing reed and a protective film, and the enameled wire protective film fixing reed, the protective film and the coil rack are matched with one another to work; one end of the mandrel is a threaded section, and a flat gasket and a nut are sequentially arranged on the threaded section; one end of the initial end fixing mechanism is provided with a pressure spring sleeved on the mandrel, and the pressure spring is adjacent to the flat gasket; the head and tail end fixing mechanism comprises a wire pressing block and a wire positioning block, and the wire positioning block of the head and tail end fixing mechanism is connected with the coil rack. According to the invention, the leading-out wire and the coil rack are combined together, multiple functions of micro coil winding, pin winding and varnished wire starting end protection on a winding machine are realized, and convenient conditions are provided for realizing automation of subsequent processes.

Description

Technical Field

[0001] The invention relates to a multifunctional tool for winding a micro coil. Background Art

[0002] At present, due to the limitation of external dimensions, micro coils do not have integrated coil lead wires on the coil frame. After the enameled wire is wound, a manual bundling process is required before it is removed from the winding machine to prevent the coil from loosening.

[0003] After winding, the wire ends are not fixed in place. Furthermore, the enameled wire used for winding is thin, with the thinnest diameter being only 0.016mm. This makes it impossible for equipment to identify and capture the wire ends, forcing the wire to be manually wound onto auxiliary lead-out wires, a task that is difficult and inefficient. Furthermore, to minimize the coil size, the coil bobbin has a simple structure and thin side panels, making it impossible to provide a structure to protect the beginning of the enameled wire, which is pressed against the side panels. Therefore, the enameled wire continuously rubs against the beginning of the wire during winding. Due to the thin diameter and thin coating of the enameled wire, damage to the coating is extremely easy, requiring a thin film to be placed outside the beginning of the wire to protect the coating from scratches. Therefore, a film fixing device that rotates with the coil is required. Summary of the Invention

[0004] In order to solve the above technical problems, the present invention provides a multifunctional tool for micro coil winding, which can greatly improve the coil winding efficiency and facilitate production using automated equipment.

[0005] The present invention is achieved through the following technical solutions.

[0006] The present invention provides a multifunctional tool for winding a micro coil, comprising a core shaft; a start and end fixing mechanism is sleeved on the core shaft, and a coil frame sleeved on the core shaft is provided between the start and end fixing mechanisms; the start end fixing mechanism is provided with an enameled wire protective film fixing spring and a protective film, and the enameled wire protective film fixing spring, the protective film, and the coil frame work in coordination with each other; one end of the core shaft is a threaded section, and a flat washer and a nut are sequentially provided on the threaded section; one end of the start end fixing mechanism is provided with a compression spring sleeved on the core shaft, and the compression spring is adjacent to the flat washer; the start and end fixing mechanisms include a wire pressing block and a wire positioning block, and the wire positioning blocks of the start and end fixing mechanisms are both connected to the coil frame.

[0007] The other end of the core shaft is milled with a flat square.

[0008] The wire positioning block is provided with a wire positioning groove for fixing the wire and limiting the extension length and angle of the wire.

[0009] The wire is clamped between the wire pressing block and the wire positioning block.

[0010] The free end of the enameled wire protective film fixing spring is provided with a bending pressure head, and the bending pressure head works in coordination with the protective film.

[0011] The enameled wire protective film fixing spring is connected to the wire positioning block of the starting end fixing mechanism through a screw.

[0012] The beneficial effect of the present invention is that the lead-out wire and the coil frame are combined together, thereby achieving multiple functions of micro-coil winding, foot wrapping and enameled wire starting end protection on the winding machine, providing convenient conditions for the automation of subsequent processes. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the present invention;

[0014] Figure 2 is an exploded view of the present invention;

[0015] In the figure: 1-core shaft, 2-conductor pressure block, 3-conductor positioning block, 4-protective film, 5-flat washer, 6-nut, 7-compression spring, 8-conductor, 9-enameled wire protective film fixing spring, 10-coil frame. DETAILED DESCRIPTION

[0016] The technical solution of the present invention is further described below, but the scope of protection claimed is not limited to the description.

[0017] like Figure 1 and 2 As shown, a multifunctional tool for winding a micro coil comprises a core shaft 1; a start and end fixing mechanism is sleeved on the core shaft 1, and a coil frame 10 sleeved on the core shaft 1 is provided between the start and end fixing mechanisms; the start end fixing mechanism is provided with an enameled wire protective film fixing spring 9 and a protective film 4, and the enameled wire protective film fixing spring 9, the protective film 4, and the coil frame 10 work in coordination with each other; one end of the core shaft 1 is a threaded section, and a flat washer 5 and a nut 6 are provided on the threaded section in sequence; one end of the start end fixing mechanism is provided with a compression spring 7 sleeved on the core shaft 1, and the compression spring 7 is adjacent to the flat washer 5; the start and end fixing mechanisms comprise a wire pressing block 2 and a wire positioning block 3, and the wire positioning blocks 3 of the start and end fixing mechanisms are both connected to the coil frame 10.

[0018] The other end of the core shaft 1 is milled with a flat square.

[0019] The wire positioning block 3 is provided with a wire positioning groove for fixing the wire 8 and limiting the extension length and angle of the wire 8 .

[0020] The conductor 8 is clamped between the conductor pressing block 2 and the conductor positioning block 3 .

[0021] The free end of the enameled wire protective film fixing spring 9 is provided with a bending pressure head, which cooperates with the protective film 4 to work.

[0022] The enameled wire protective film fixing spring 9 is connected to the wire positioning block 3 of the starting end fixing mechanism through screws.

[0023] During operation, first assemble the various parts of the tooling, the starting and ending wires 8, and the coil frame 10 together. The wire 8 is positioned using the wire positioning groove in the wire positioning block 3, leaving a specified length. Then, the various parts are pressed together with the nut 6, and the pressing force of each part is controlled by the compression spring 7. One end of the core shaft 1 is milled with a flat square to ensure the accurate direction of each part during assembly and to transmit torque during rotation. Finally, insert the assembled tooling into the shaft hole of the coil frame of the winding machine. The winding machine is operated according to the pre-programmed program to complete the winding of the starting and ending wires and the entire process of winding the protective film 4 at the starting end. After winding, the coil is transferred to the next process together with the tooling.

[0024] Specifically, after the coil winding is completed, the wire welding and coil bundling process can be carried out together with the tooling. At this time, the wire 8 position remains unchanged and the coil will not become loose, which greatly improves production efficiency.

[0025] Specifically, the tooling is provided with an enameled wire protective film fixing spring 9. After the first turn of the enameled wire is completed, the enameled wire protective film fixing spring 9 presses and fixes the protective film 4 to protect the enameled wire attached to the side plate of the coil frame 10 to prevent the paint layer from being scratched during the winding process.

[0026] Specifically, the position of the wire 8 is determined by the wire positioning block 3 , and the pressing force is determined by the pressing spring 7 , thereby ensuring that the installation position and pressing force of the wire 8 are consistent each time.

[0027] In summary, the present invention integrates the previously independent wire and coil into one unit, utilizing the winding machine's foot-winding function to achieve automatic wire winding. Furthermore, after the first turn of the enameled wire is completed, the protective film is compressed and fixed to protect the enameled wire attached to the coil bobbin side panels, preventing damage to the enameled wire during the winding process.

Claims

1. A multifunctional tool for winding a micro coil, comprising a core shaft (1), characterized in that: The core shaft (1) is sleeved with a start and end fixing mechanism, and a coil frame (10) sleeved on the core shaft (1) is provided between the start and end fixing mechanisms; the start and end fixing mechanism is provided with an enameled wire protective film fixing spring (9) and a protective film (4), and the enameled wire protective film fixing spring (9), the protective film (4), and the coil frame (10) work in coordination with each other; one end of the core shaft (1) is a threaded section, and a flat washer (5) and a nut (6) are sequentially provided on the threaded section; one end of the start and end fixing mechanism is provided with a compression spring (7) sleeved on the core shaft (1), and the compression spring (7) is adjacent to the flat washer (5); the start and end fixing mechanism includes a wire pressing block (2) and a wire positioning block (3), and the wire positioning blocks (3) of the start and end fixing mechanism are both connected to the coil frame (10).

2. The multifunctional tool for winding a micro coil according to claim 1, characterized in that: The other end of the core shaft (1) is milled with a flat square.

3. The multifunctional tool for winding a micro coil according to claim 1, characterized in that: The wire positioning block (3) is provided with a wire positioning groove for fixing the wire (8) and limiting the extension length and angle of the wire (8).

4. The multifunctional tool for winding a micro coil according to claim 3, characterized in that: The conductor (8) is clamped between the conductor pressing block (2) and the conductor positioning block (3).

5. The multifunctional tool for winding a micro coil according to claim 1, characterized in that: The free end of the enameled wire protective film fixing spring (9) is provided with a bending pressure head, and the bending pressure head cooperates with the protective film (4) to work.

6. The multifunctional tool for winding a micro coil according to claim 1, characterized in that: The enameled wire protective film fixing spring (9) is connected to the wire positioning block (3) of the starting end fixing mechanism via a screw.

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