Lead tin plating device for loudspeaker voice coil

Abstract

The utility model discloses a lead tinning device for a loudspeaker voice coil, which comprises a tinning box, a plurality of wire inlets are equidistantly arranged on the left side of the tinning box, a wire outlet is arranged on the right side of the tinning box, a straightening mechanism is arranged in an inner cavity of each wire inlet, and a tinning mechanism is arranged at the lower part of the inner cavity of the tinning box. A liquid scraping mechanism is arranged on the right side of the inner wall of the tinning box. When the tinning device is used for tinning, loudspeaker voice coil leads entering the tinning box can penetrate into the inner cavities of the through grooves and bypass the bottoms of the inner rings of the rolling grooves, one lead can penetrate through each through groove at the same time, at the moment, the leads are immersed in tin liquid, resin films can be plated on the surfaces of the leads, tinning can be carried out on the multiple leads at the same time, the tinning efficiency of the leads can be greatly improved, and the tinning efficiency of the leads is improved. Meanwhile, tinned leads can penetrate through the inner cavities of the scraping rings, each scraping ring can penetrate through one lead at the same time, the scraping rings can scrape redundant tin liquid on the surfaces of the leads, tin plating on the surfaces of the leads can be uniform, the tin plating quality of the leads can be guaranteed, and waste of the tin liquid can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of loudspeaker production, in particular to a lead tin plating device for a loudspeaker voice coil. Background Technique

[0002] The voice coil is an important part of the vibration system of an electrodynamic loudspeaker and is also known as the heart of the loudspeaker. It directly passes an audio current, and the performance of the voice coil will directly affect the sound pressure frequency characteristics, sound pressure level, impedance curve, distortion, transient characteristics, etc. of the loudspeaker. The quality and material selection of the voice coil are crucial for the performance and lifespan of the loudspeaker.

[0003] During the processing of the voice coil lead, in order to protect the lead and improve its electrical performance, it is necessary to tin-plate its surface. The existing lead tin plating equipment generally can only tin-plate one lead at a time, with very low tin plating efficiency. At the same time, it does not have a structure to scrape off the excess tin liquid on the surface of the lead, which will not only cause uneven tin plating on the surface of the lead, thereby affecting its tin plating quality, but also result in waste of tin liquid. For this reason, we provide a lead tin plating device for a loudspeaker voice coil. Content of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] Aiming at the deficiencies of the existing technology, the utility model provides a lead tin plating device for a loudspeaker voice coil, which solves the problems of low tin plating efficiency of the current voice coil lead tin plating equipment and the inability to scrape off the excess tin liquid on the surface of the lead.

[0006] (2) Technical Solutions

[0007] To achieve the above object, the utility model provides the following technical solutions: A lead tin plating device for a loudspeaker voice coil, including a tin plating box. A plurality of wire inlet openings are equidistantly arranged on the left side of the tin plating box, and a wire outlet opening is arranged on the right side of the tin plating box. A straightening mechanism is arranged in the inner cavity of the wire inlet opening, a tin plating mechanism is arranged at the lower part of the inner cavity of the tin plating box, and a liquid scraping mechanism is arranged on the right side inner wall of the tin plating box.

[0008] Preferably, the top of the tin plating box is open, and a box cover is arranged on the top of the tin plating box. The right side of the box cover is hinged to the right side of the tin plating box through a hinge.

[0009] Preferably, a heating groove is opened in the lower inner circle of the tin plating box, and a plurality of electric heating wires are evenly arranged in the inner cavity of the heating groove.

[0010] Preferably, the straightening mechanism includes two upper and lower first rotating shafts. The front of the first rotating shaft is rotatably connected to the front inner wall of the wire inlet opening, the back of the first rotating shaft is rotatably connected to the back inner wall of the wire inlet opening, and a roller is sleeved on the outer circle of the first rotating shaft.

[0011] Preferably, the tin plating mechanism includes a tin plating plate, and a plurality of through grooves are equidistantly formed at the bottom of the tin plating plate. The back surface of the second rotating shaft is rotatably connected to the back surface of the inner wall of the through groove, and the front surface of the second rotating shaft is rotatably connected to the front surface of the inner wall of the through groove. A plurality of second rotating shafts are equidistantly arranged in the inner cavity of the through groove, a runner is sleeved on the outer circle of the second rotating shaft, and a rolling groove is formed in the outer circle of the runner.

[0012] Preferably, the liquid scraping mechanism includes a support rod, the support rod is fixed to the right side of the inner wall of the tin plating box, and a scraping ring is arranged on the left side of the support rod.

[0013] (III) Beneficial effects

[0014] The utility model provides a lead tin plating device for a loudspeaker voice coil, which has the following beneficial effects:

[0015] 1. When the device is tin plating, the lead of the loudspeaker voice coil entering the tin plating box can be inserted into the inner cavity of the through groove and bypass the bottom of the inner circle of the rolling groove. Each through groove can pass through a lead at the same time. At this time, the lead is immersed in the tin liquid, and a resin film can be plated on its surface. In this way, multiple leads can be tin plated at the same time, and the tin plating efficiency of the leads can be greatly improved.

[0016] 2. When the device is tin plating, the tin-plated lead can be inserted into the inner cavity of the scraping ring. Each scraping ring can pass through a lead at the same time. The scraping ring can scrape off the excess tin liquid on the surface of the lead, which can not only make the tin plating on the surface of the lead uniform, ensure the tin plating quality of the lead, but also avoid the waste of tin liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structural diagram of the utility model;

[0018] Figure 2 is a planar structural diagram of the utility model;

[0019] Figure 3 is a structural diagram of the tin plating mechanism of the utility model;

[0020] Figure 4 is a structural diagram of the liquid scraping mechanism of the utility model;

[0021] Figure 5 is a structural diagram of the second rotating shaft and the runner of the utility model.

[0022] In the figure: 1. Tin plating box; 11. Inlet; 12. Outlet; 13. Box cover; 14. Heating tank; 2. Straightening mechanism; 21. First rotating shaft; 22. Roller; 3. Tin plating mechanism; 31. Tin plating plate; 311. Through groove; 32. Second rotating shaft; 33. Rotating wheel; 331. Rolling groove; 4. Liquid scraping mechanism; 41. Support rod; 42. Scraping ring; 5. Electric heating wire. Detailed implementation manners

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] As Figures 1-5 shown, the present invention provides a technical solution: a tin plating device for the lead of a speaker voice coil, including a tin plating box 1 filled with liquid tin inside. A plurality of inlets 11 are equidistantly arranged on the left side of the tin plating box 1. An outlet 12 is arranged on the right side of the tin plating box 1. A straightening mechanism 2 is arranged in the inner cavity of the inlet 11. A tin plating mechanism 3 is arranged at the lower part of the inner cavity of the tin plating box 1. A liquid scraping mechanism 4 is arranged on the right side inner wall of the tin plating box 1.

[0025] Among them, the top of the tin plating box 1 is open. A box cover 13 is arranged on the top of the tin plating box 1. The right side of the box cover 13 is hinged to the right side of the tin plating box 1 through a hinge. During use, the box cover 13 can be opened to add tin liquid into the tin plating box 1 or clean the inside of the tin plating box 1.

[0026] Specifically, a heating tank 14 is opened in the lower inner circle of the tin plating box 1. A plurality of electric heating wires 5 are evenly arranged in the inner cavity of the heating tank 14. During tin plating, the electric heating wires 5 are powered on, and they can generate heat and heat the tin liquid in the tin plating box 1 to keep it in a molten state all the time, so as to ensure the tin plating quality of the lead of the speaker voice coil.

[0027] Specifically, the straightening mechanism 2 includes two upper and lower first rotating shafts 21. The front of the first rotating shaft 21 is rotatably connected to the front inner wall of the inlet 11, and the back of the first rotating shaft 21 is rotatably connected to the back inner wall of the inlet 11. A roller 22 is sleeved on the outer circle of the first rotating shaft 21. During tin plating, the voice coil lead is passed through between the two upper first rotating shafts 21 and enters the tin plating box 1. Each inlet 11 can pass through a lead at the same time, so that the lead can be straightened.

[0028] Further, the tin plating mechanism 3 includes a tin plating plate 31. A plurality of through grooves 311 are equidistantly formed at the bottom of the tin plating plate 31. The number of wire inlet ports 11 is the same as that of the through grooves 311. The back surface of the second rotating shaft 32 is rotatably connected to the back surface of the inner wall of the through groove 311, and the front surface of the second rotating shaft 32 is rotatably connected to the front surface of the inner wall of the through groove 311. A plurality of second rotating shafts 32 are equidistantly arranged in the inner cavity of the through groove 311. A runner 33 is sleeved on the outer circle of the second rotating shaft 32. A rolling groove 331 is formed on the outer circle of the runner 33. During tin plating, the lead wire entering the tin plating box 1 can be threaded into the inner cavity of the through groove 311 and bypass the bottom of the inner circle of the rolling groove 331. Each through groove 311 can pass through a lead wire at the same time. At this time, the lead wire is immersed in the tin liquid, and its surface can be plated with tin.

[0029] Furthermore, the liquid scraping mechanism 4 includes a support rod 41. The support rod 41 is fixed to the right side of the inner wall of the tin plating box 1. A scraping ring 42 is arranged on the left side of the support rod 41. The number of through grooves 311 is the same as that of the scraping rings 42. The lead wire after tin plating passes through the inner cavity of the scraping ring 42. Each scraping ring 42 can pass through a lead wire at the same time. The scraping ring 42 can scrape off the excess tin liquid on the surface of the lead wire, and at the same time make its surface evenly plated with tin. Finally, the lead wire enters the drying device through the wire outlet 12 for drying.

[0030] The working principle of the present utility model: When in use, the tin plating box 1 is filled with tin liquid. During tin plating, the lead wire is threaded through between the two upper first rotating shafts 21 and enters the tin plating box 1. Each wire inlet port 11 can pass through a lead wire at the same time, so that the lead wire can be straightened. Then the lead wire is threaded into the inner cavity of the through groove 311 and bypasses the bottom of the inner circle of the rolling groove 331. Each through groove 311 can pass through a lead wire at the same time. At this time, the lead wire is immersed in the tin liquid, and its surface can be plated with tin. In this way, multiple lead wires can be tin-plated at the same time, which can greatly improve the tin plating efficiency of the lead wire. At the same time, the electric heating wire 5 is energized, which can generate heat and heat the tin liquid in the tin plating box 1 to keep it in a molten state all the time to ensure the tin plating quality of the lead wire. The lead wire after tin plating passes through the inner cavity of the scraping ring 42. Each scraping ring 42 can pass through a lead wire at the same time. The scraping ring 42 can scrape off the excess tin liquid on the surface of the lead wire, which can not only make its surface evenly plated with tin and ensure its tin plating quality, but also avoid the waste of tin liquid. Finally, the lead wire enters the drying device through the wire outlet 12 for drying.

[0031] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.

[0032] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lead tinning device for a loudspeaker voice coil, comprising a tinning box (1), characterized in that: The top of the tin-plating box (1) is open, a plurality of wire inlets (11) are provided at equal distances on the left side of the tin-plating box (1), a wire outlet (12) is provided on the right side of the tin-plating box (1), a straightening mechanism (2) is provided in the inner cavity of the wire inlet (11), a tin-plating mechanism (3) is provided in the lower part of the inner cavity of the tin-plating box (1), and a liquid scraping mechanism (4) is provided on the right side of the inner wall of the tin-plating box (1).

2. The lead tinning device for a loudspeaker voice coil according to claim 1, characterized in that: A box cover (13) is provided on the top of the tinning box (1), and the right side of the box cover (13) is hinged to the right side of the tinning box (1) via a hinge.

3. The lead tinning device for a loudspeaker voice coil according to claim 1, characterized in that: A heating groove (14) is provided in the lower part of the inner circle of the tinning box (1), and a plurality of electric heating wires (5) are evenly arranged in the inner cavity of the heating groove (14).

4. The lead tinning device for a loudspeaker voice coil according to claim 1, characterized in that: The straightening mechanism (2) comprises two upper and lower first rotating shafts (21), the front side of the first rotating shaft (21) being rotatably connected to the front side of the inner wall of the wire entry port (11), and the back side of the first rotating shaft (21) being rotatably connected to the back side of the inner wall of the wire entry port (11), and the outer ring of the first rotating shaft (21) is provided with a roller (22).

5. The lead tinning device for a loudspeaker voice coil according to claim 1, characterized in that: The tin-plating mechanism (3) comprises a tin-plating plate (31), a plurality of through slots (311) are equidistantly provided at the bottom of the tin-plating plate (31), the back side of a second rotating shaft (32) is rotatably connected to the back side of an inner wall of the through slot (311), the front side of the second rotating shaft (32) is rotatably connected to the front side of an inner wall of the through slot (311), a plurality of second rotating shafts (32) are equidistantly provided in an inner cavity of the through slot (311), an outer ring of the second rotating shaft (32) is provided with a rotating wheel (33), and an outer ring of the rotating wheel (33) is provided with a rolling groove (331).

6. The lead tinning device for a loudspeaker voice coil according to claim 1, characterized in that: The liquid scraping mechanism (4) comprises a support rod (41), the support rod (41) is fixed to the right side of the inner wall of the tinning box (1), and a scraping ring (42) is arranged on the left side of the support rod (41).

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