Loudspeaker elastic wave voice coil pre-adhesion tool

Abstract

The utility model discloses a loudspeaker damper voice coil pre-bonding tool which comprises a base platform used for bearing a damper; the middle column is arranged at the center of the base platform, is higher than the base platform and is used for sleeving a voice coil; the groove is formed between the middle column and the base platform and used for containing the lower section of the voice coil, and the depth of the groove is used for positioning the pasting position of the voice coil and the damper. The tool is used in the bonding process of the voice coil and the damper of the loudspeaker, centering and positioning of the voice coil can be achieved through the middle column, bearing and fixing of the damper can be achieved through the base platform, and positioning of the bonding height can be achieved through the groove, so that the voice coil and the damper are accurately positioned and bonded together; and the assembly yield and efficiency of the loudspeaker are improved.

Description

TECHNICAL FIELD

[0001] The application relates to the loudspeaker technical field, in particular to a loudspeaker voice coil and spider pre-bonding tool. BACKGROUND

[0002] In the manufacturing process of a loudspeaker, a voice coil and a spider (i.e. a centering spider) need to be bonded together, wherein the spider is sleeved on the periphery of the voice coil and needs to be accurately bonded at a certain height of the voice coil.

[0003] In the current assembly operation, manual work of an operator is usually relied on, and the efficiency is not high, and the position misalignment can cause defects. CONTENT OF THE UTILITY MODEL

[0004] The application mainly solves the technical problem of providing a loudspeaker voice coil and spider pre-bonding tool for improving the yield and efficiency of the voice coil and spider bonding operation.

[0005] The loudspeaker voice coil and spider pre-bonding tool provided by the application comprises a base platform for bearing a spider, a middle column arranged at the center of the base platform and higher than the base platform for sleeving a voice coil, and a groove arranged between the middle column and the base platform for accommodating a lower section of the voice coil, and the depth of the groove is used for positioning the bonding position of the voice coil and the spider.

[0006] In some optional embodiments, the loudspeaker voice coil and spider pre-bonding tool further comprises an avoiding groove transversely penetrating through the base platform and the groove for avoiding the lead wire of the voice coil.

[0007] In some optional embodiments, the base platform is in a cylindrical shape and has a flat upper surface for bearing the spider.

[0008] In some optional embodiments, the diameter of the base platform is greater than the diameter of the spider.

[0009] In some optional embodiments, the depth of the groove is less than the height of the base platform.

[0010] In some optional embodiments, the depth of the avoiding groove is equal to the depth of the groove.

[0011] In some optional embodiments, the top end of the middle column is designed in a round angle.

[0012] In some optional embodiments, the diameter of the middle column is equal to the inner diameter of the voice coil.

[0013] In some optional embodiments, the height of the middle column is greater than the height of the voice coil.

[0014] In some alternative embodiments, the base platform, the column and the groove are integrally formed metal components.

[0015] From the above technical solutions, the embodiments of the present application have the following advantages:

[0016] The tooling of the present application is used in the bonding process of the voice coil and the spring wave of the loudspeaker. The voice coil is centered and positioned by the column, the spring wave is supported and fixed by the base platform, and the bonding height is positioned by the groove. Thus, the voice coil and the spring wave are accurately positioned and bonded together, improving the assembly yield and efficiency of the loudspeaker. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments and the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 is a structural schematic diagram of the loudspeaker spring wave voice coil pre-bonding tooling provided by the embodiments of the present application. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should be within the scope of protection of the present application.

[0020] The terms "first", "second", "third" and the like in the specification and claims of the present application and the above drawings are used to distinguish different objects, not to describe a specific order. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device including a series of steps or units is not limited to the listed steps or units, but can optionally include steps or units not listed or can optionally include other steps or units inherent to the process, method, product or device.

[0021] The following will be described in detail through specific embodiments.

[0022] Reference Figure 1 The embodiments of the present application provide a loudspeaker spring wave voice coil pre-bonding tooling, which comprises:

[0023] a base platform 10 for carrying the voice coil;

[0024] a center post 11 disposed in the center of the base platform 10 and higher than the base platform 10 for housing the voice coil;

[0025] a groove 12 disposed between the center post 11 and the base platform 10 for accommodating a lower segment of the voice coil, the depth of the groove 12 being used to position the adhesive position of the voice coil and the voice coil;

[0026] Here, the base platform 10 can be cylindrical with a flat upper surface for carrying the voice coil. The center post 11 can also be cylindrical with a diameter smaller than that of the base platform 10 and a height higher than that of the base platform 10. The central region of the base platform 10 can be concave downward to form a recess with a diameter larger than that of the center post 11, and the center post 11 can be disposed in the center of the recess, forming the groove 12 between the center post 11 and the side wall of the recess. The groove 12 can be annular around the center post 11.

[0027] In some alternative embodiments, the tooling of the present application further comprises an avoidance slot 13 transversely penetrating the base platform 10 and the groove 12 for avoiding the lead wire of the voice coil.

[0028] In some alternative embodiments, the diameter of the base platform 10 is larger than that of the voice coil.

[0029] In some alternative embodiments, the depth of the groove 12 is smaller than the height of the base platform 10, i.e. the groove 12 does not penetrate the base platform 10.

[0030] In some alternative embodiments, the depth of the avoidance slot 13 is equal to that of the groove 12.

[0031] In some alternative embodiments, the top end of the center post 11 is designed with a rounded corner to avoid damaging the voice coil when the voice coil is inserted.

[0032] In some alternative embodiments, the diameter of the center post 11 is equal to or slightly smaller than the inner diameter of the voice coil. For example, the diameter of the center post 11 is L1, and the inner diameter of the voice coil is L2, 0≤L2-L1≤m microns, m can be between 10 microns and 1 mm, for example.

[0033] In some alternative embodiments, the height of the center post 11 is greater than the height of the voice coil.

[0034] In some alternative embodiments, the base platform 10, the center post 11, the groove 12 and the avoidance slot 13 are integrally formed components, such as metal components. Alternatively, the center post 11 can also be a separate component which can be fixed to the base platform 10 by screwing or bonding or welding, etc.

[0035] The above, the embodiment of the application discloses a kind of loudspeaker elastic wave coil pre-adhesion tooling.The middle column 11 of the tooling is used to set up voice coil, and diameter is equal or slightly smaller than the inner diameter of voice coil, can play the role of centering to voice coil.The distance from the upper surface of the base platform 10 of the tooling to the bottom of the groove 12 is equal to the positioning height of elastic wave and voice coil, to play the role of positioning.The transverse clearance groove 13 of the tooling can play the role of avoiding the voice coil (such as silk thread) of voice coil.

[0036] The above, the technical scheme of the present application is described in detail through specific embodiments.In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0037] It should be understood that the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them.The ordinary skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent replacement for part of the technical features;and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and protection scope of the technical solutions of the embodiments of the present application.

Claims

1. A loudspeaker cone voice coil pre-bonding tool, characterized in that, Comprising: a base platform for carrying the dome; a center post disposed in the center of the base platform and higher than the base platform for housing the voice coil; a groove disposed between the center post and the base platform for accommodating the lower section of the voice coil, the depth of the groove for positioning the sticking position of the voice coil and the dome.

2. The loudspeaker dome voice coil pre-bonding tooling of claim 1, wherein, Further comprising: an avoiding slot transversely through the base platform and the groove for avoiding the lead wire of the voice coil.

3. The loudspeaker spider voice coil pre-sticking tooling of claim 1, wherein, The base platform is cylindrical with a flat upper surface for carrying the dome.

4. The loudspeaker spider voice coil pre-sticking tooling of claim 1, wherein, The diameter of the base platform is larger than the diameter of the dome.

5. The loudspeaker spider voice coil pre-sticking tooling of claim 1, wherein, The depth of the groove is smaller than the height of the base platform.

6. The loudspeaker spider voice coil pre-sticking tooling of claim 2, wherein, The depth of the avoiding slot is equal to the depth of the groove.

7. The loudspeaker spider voice coil pre-sticking tooling of claim 1, wherein, The top end of the center post is designed with a rounded corner.

8. The loudspeaker spider voice coil pre-sticking tooling of claim 1, wherein, The diameter of the center post is equal to the inner diameter of the voice coil.

9. The loudspeaker spider voice coil pre-sticking tooling of claim 1, wherein, The height of the center post is greater than the height of the voice coil.

10. The loudspeaker spider voice coil pre-sticking tooling of claim 1, wherein, The base platform, the center post and the groove are integrally formed metal components.

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