Preparation method of vibration assembly, sound production monomer, sound production device and electronic equipment

Abstract

The invention discloses a preparation method of a vibration assembly, a sound production monomer, a sound production device and electronic equipment, and relates to the technical field of sound production structures.The preparation method of the vibration assembly comprises the following steps that a mold is provided, and a conical basin is fixed in a limiting groove; the folding ring part of the folding ring is buckled on the limiting protrusion downwards, so that the limiting protrusion extends into the folding ring part and is in insertion fit with the folding ring part, the first connecting part is arranged on the peripheral edge of the conical basin in a stacked mode to form a composite layer supported on the first supporting area, and the second connecting part is supported on the second supporting area; the composite layer is pressed tightly, and the conical basin and the folding ring at the composite layer are fused through ultrasonic welding of the composite layer, so that the conical basin and the folding ring are connected; and obtaining the vibration assembly. The conical basin and the folding ring are fused through ultrasonic welding to form the vibration assembly, so that the conical basin and the folding ring do not need to be bonded through glue, odor generated by glue volatilization is avoided, the use experience of a user is not affected, the health of the user is not affected, and the vibration assembly is more environmentally friendly.

Description

Technical Field

[0001] This invention relates to the field of electroacoustic conversion technology, and in particular to a method for preparing a vibrating component, a sound-generating unit, a sound-generating device, and an electronic device. Background Technology

[0002] The sound-producing unit, such as the speaker driver, is the main component in a speaker that converts electrical signals into sound waves. When the voice coil vibrates under the influence of an electric current, the vibrating component also vibrates and pushes air, forming sound waves. The vibrating component typically includes a cone and surround, which are usually bonded together with high-strength adhesive. However, adhesive bonding can cause the adhesive to evaporate and produce an odor, which can easily lead to the speaker driver failing reliability odor tests. Furthermore, the odor from adhesive bonding not only affects the user experience but also impacts user health and poses environmental problems. Summary of the Invention

[0003] The main objective of this invention is to propose a method for preparing a vibration component, a sound-generating unit, a sound-generating device, and an electronic device, aiming to solve the problems in the prior art where the use of glue to bond the cone and folding ring results in volatile odors that affect the user experience, impact user health, and are environmentally unfriendly.

[0004] To achieve the above objectives, the present invention proposes a method for manufacturing a vibration component, wherein the vibration component includes a cone and a folded ring, and the folded ring includes a first connecting portion, a folded ring portion, and a second connecting portion connected sequentially from the inside to the outside. The method for manufacturing the vibration component includes the following steps:

[0005] A mold is provided; wherein the mold forms a limiting groove and a limiting protrusion located on the outer periphery of the limiting groove, the limiting groove is recessed downwards and the limiting protrusion is protruding upwards, and a first support area and a second support area are respectively formed on the inner and outer regions of the limiting protrusion on the module.

[0006] The cone is fixed inside the limiting groove;

[0007] The folded ring portion is fastened downwards onto the limiting protrusion, so that the limiting protrusion extends into the folded ring portion and engages with the folded ring portion. The first connecting portion is stacked on the outer peripheral edge of the cone basin to form a composite layer supporting the first support area, and the second connecting portion supports the second support area.

[0008] The composite layer is pressed together, and the cone and the folded ring at the composite layer are fused together by ultrasonic welding to connect the cone and the folded ring.

[0009] The mold is removed to obtain the vibration component.

[0010] In one embodiment, the step of pressing the composite layer together and ultrasonically welding the composite layer to fuse the cone and the folded ring at the composite layer to connect the cone and the folded ring includes:

[0011] An ultrasonic welding fixture is provided, wherein the ultrasonic welding fixture has a positioning groove adapted to the shape of the folded ring portion, and the ultrasonic welding fixture has an abutment area inside the positioning groove.

[0012] The ultrasonic welding fixture is pressed onto the folded ring so that the folded ring extends into the positioning groove and the abutting area is pressed onto the first support area so that the composite layer is pressed onto the first support area through the abutting area.

[0013] The composite layer is ultrasonically welded using the ultrasonic welding fixture to fuse the cone and the folded ring at the composite layer, thereby connecting the cone and the folded ring.

[0014] In one embodiment, the ultrasonic welding fixture includes a welding head that forms the abutment area;

[0015] The step of using the ultrasonic welding fixture to perform ultrasonic welding on the composite layer, fusing the cone and the folded ring at the composite layer to connect the cone and the folded ring, includes:

[0016] The welding head generates vibrations perpendicular to the composite layer and presses down on the composite layer to perform ultrasonic welding on the composite layer until the cone and the folded ring at the composite layer melt and press together to connect the cone and the folded ring.

[0017] In one embodiment, the melting point of the fold at the composite layer is lower than the melting point of the cone at the composite layer;

[0018] Before the step of using the ultrasonic welding fixture to perform ultrasonic welding on the composite layer to fuse the cone and the folded ring at the composite layer and connect the cone and the folded ring, the method further includes:

[0019] The vibration frequency and vibration time of the ultrasonic welding fixture are adjusted according to the thickness of the folded ring at the composite layer, the melting point of the folded ring at the composite layer, and the melting point of the cone at the composite layer.

[0020] In one embodiment, a heating device is provided on the mold at a position corresponding to the first support area;

[0021] Before the step of pressing the composite layer together and ultrasonically welding the composite layer to fuse the cone and the folded ring at the composite layer to connect the cone and the folded ring, the method further includes:

[0022] The cone-shaped basin at the first support area is heated by the heating device to soften the cone-shaped basin.

[0023] In one embodiment, the folding ring is made of rubber, and the cone or the surface material of the cone at the composite layer is a plastic with a melting point higher than that of rubber.

[0024] In one embodiment, the mold includes an upper mold and a lower mold, wherein the lower mold has the limiting groove and the limiting protrusion formed thereon; the step of fixing the cone within the limiting groove includes:

[0025] Place the cone-shaped basin into the limiting groove on the lower mold;

[0026] The upper mold is pressed onto the cone basin to fix the cone basin within the limiting groove.

[0027] In one embodiment, the step of removing the mold to obtain the vibration assembly includes:

[0028] The upper mold is removed from the lower mold, and the vibration component is taken out from the lower mold to obtain the vibration component.

[0029] The present invention also proposes a sound-generating unit, the sound-generating unit comprising a housing and a vibration system and a magnetic circuit system mounted on the housing, the vibration system comprising a voice coil and a vibration assembly, the vibration assembly being manufactured by the above-described method for manufacturing the vibration assembly, the inner peripheral edge of the cone being connected to the voice coil, the magnetic circuit system forming a magnetic gap, and the voice coil being located within the magnetic gap.

[0030] The present invention also proposes a sound-generating device, the sound-generating device comprising a housing and a sound-generating unit as described above housed within the housing.

[0031] The present invention also proposes an electronic device that uses the above-described sound-generating device.

[0032] The technical solution of this invention involves creating a limiting groove and setting a limiting protrusion on a mold, thereby limiting both the cone and the folded ring through the mold. After the cone and the folded ring are respectively limited, there is a stacked area in the first support area. The outer peripheral edge of the cone and the first connecting part of the folded ring are stacked to form a composite layer. Then, the composite layer is pressed and ultrasonically welded. The composite layer generates friction under high-frequency vibration, generating heat, which melts the folded ring under heat and fuses it with the cone under pressure. Welding is then stopped, and the composite layer cools and solidifies rapidly, so that the cone and the folded ring at the composite layer are fused into one, and the cone and the folded ring are connected together to obtain a vibrating component. This invention uses limiting grooves and limiting protrusions on the mold to limit and position the cone and the folded ring, so that the cone and the folded ring can be aligned before ultrasonic welding. Then, the cone and the folded ring are fused together by ultrasonic welding to form a vibrating component. This eliminates the need for glue to bond the cone and the folded ring, avoids the odor generated by glue volatilization, does not affect the user experience, does not affect the user's health, is more environmentally friendly, and will not fail the reliability odor test. Attached Figure Description

[0033] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0034] Figure 1 A flowchart illustrating the method for preparing the vibration component provided by the present invention;

[0035] Figure 2 A detailed flowchart of step S400 of the method for preparing the vibration component provided by the present invention;

[0036] Figure 3 A detailed flowchart of step S430 of the method for preparing the vibration component provided by the present invention;

[0037] Figure 4 This is a detailed flowchart of step S200 of the method for preparing the vibration component provided by the present invention;

[0038] Figure 5 A schematic diagram illustrating the fit between the vibration component, mold, and ultrasonic welding fixture provided by this invention;

[0039] Figure 6 This is a schematic diagram of the structure of the vibration component, mold, and ultrasonic welding fixture provided by the present invention.

[0040] Explanation of icon numbers:

[0041] 100. Vibration component; 1. Conical basin; 2. Folded ring; 21. First connecting part; 22. Folded ring part; 23. Second connecting part; 3. Mold; 31. Upper mold; 32. Lower mold; 33. Limiting groove; 34. Limiting protrusion; 35. First support area; 36. Second support area; 40. Composite layer; 50. Ultrasonic welding fixture; 51. Positioning groove; 52. Abutment area; 53. Welding head; 54. Clearance groove.

[0042] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0043] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0044] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0045] Furthermore, if the embodiments of this invention involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this invention.

[0046] Vibration components typically include a cone and a surround, which are usually bonded together with high-strength adhesive. However, adhesive bonding can cause the adhesive to evaporate and produce an odor, which can easily lead to the failure of the speaker unit in reliability odor tests. In addition, the odor generated by adhesive bonding not only affects the user experience but also has an impact on the user's health and is also environmentally unfriendly.

[0047] To address the above problems, this invention proposes a method for preparing a vibration component.

[0048] Please combine Figure 1 , Figure 5 and Figure 6 ,in, Figure 1 This is a schematic flowchart of an embodiment of the method for preparing the vibration component of the present invention. Figure 5 and Figure 6 This invention provides a schematic diagram and partial structural diagram of the vibration component, mold, and ultrasonic welding fixture provided by the present invention. The present invention also provides a method for manufacturing a vibration component. The vibration component 100 includes a conical basin 1 and a folded ring 2. The folded ring 2 includes a first connecting portion 21, a folded ring portion 22, and a second connecting portion 23 connected sequentially from the inside to the outside. The method for manufacturing the vibration component includes the following steps:

[0049] Step S100: Provide a mold, wherein the mold 3 forms a limiting groove 33 and a limiting protrusion 34 located on the outer periphery of the limiting groove 33, the limiting groove 33 is recessed downwards, the limiting protrusion 34 is protruding upwards, and a first support area 35 and a second support area 36 are formed on the inner and outer regions of the limiting protrusion 34 on the module, respectively.

[0050] It should be noted that the inner and outer sides are relative to the cone basin 1. The cone basin 1 is usually circular. The direction closer to the center of the cone basin 1 is the inner side, and the direction around the outer periphery of the cone basin 1 is the outer side. The limiting groove 33 of the mold 3 is adapted to the shape of the cone basin 1. Therefore, the inner and outer sides of the mold 3 are the same as the inner and outer sides of the cone basin 1.

[0051] Step S200: Fix the cone-shaped basin within the limiting groove;

[0052] The cone 1 is placed in the limiting groove 33 to limit the cone 1 and prevent it from shifting during the welding process.

[0053] Step S300: The folded ring portion of the folded ring is fastened to the limiting protrusion with the folded ring portion facing downward, so that the limiting protrusion extends into the folded ring portion and engages with the folded ring portion, and the first connecting portion is stacked on the outer peripheral edge of the cone to form a composite layer supporting the first support area, and the second connecting portion is supported on the second support area.

[0054] By inserting the limiting protrusion 34 into the folded ring 2, the folded ring 2 is limited to prevent it from shifting during welding, thereby improving the manufacturing accuracy of the vibration assembly 100. After the folded ring 2 is inserted into the limiting protrusion 34, the first connecting part 21 overlaps the cone 1 at the first support area 35, thus stacking with the cone 1 to form a composite layer 40.

[0055] Step S400: Press the composite layer tightly, and use ultrasonic welding to fuse the cone and the folded ring at the composite layer to connect the cone and the folded ring;

[0056] The composite layer 40 is pressed to keep the cone 1 and the folded ring 2 in contact during the welding process, thereby improving the fusion effect. The composite layer 40 is then welded by ultrasonic welding.

[0057] Step S500: Remove the mold to obtain the vibration component.

[0058] The technical solution of the present invention involves opening a limiting groove 33 and setting a limiting protrusion 34 on the mold 3, thereby limiting both the cone basin 1 and the folded ring 2 through the mold 3. After the cone basin 1 and the folded ring 2 are respectively limited, there is a stacked area in the first support area 35. The outer peripheral edge of the cone basin 1 and the first connecting part 21 of the folded ring 2 are stacked to form a composite layer 40. Then the composite layer 40 is pressed and ultrasonically welded. The composite layer 40 generates friction under high frequency vibration, generating heat, which melts the folded ring 2 under heat and fuses it with the cone basin 1 under pressure. Then the welding is stopped, and the composite layer 40 cools and solidifies rapidly, so that the cone basin 1 and the folded ring 2 at the composite layer 40 are fused into one, and the cone basin 1 and the folded ring 2 are connected together to obtain the vibration component 100. This invention uses the limiting groove 33 and limiting protrusion 34 on the mold 3 to limit and position the cone pelvis 1 and the folded ring 2, so that the cone pelvis 1 and the folded ring 2 can be aligned before ultrasonic welding. Then, the cone pelvis 1 and the folded ring 2 are fused together by ultrasonic welding to form a vibrating component 100. This eliminates the need for glue to bond the cone pelvis 1 and the folded ring 2, avoids the odor generated by glue volatilization, does not affect the user experience, does not affect the user's health, is more environmentally friendly, and will not fail the reliability odor test.

[0059] Please see Figure 2 This is a detailed flowchart of step S400 in the method for preparing the vibration component of the present invention. In one embodiment, step S400 includes:

[0060] Step S410: Provide an ultrasonic welding fixture, wherein the ultrasonic welding fixture 50 has a positioning groove 51 adapted to the shape of the folded ring portion 22, and the ultrasonic welding fixture 50 has an abutment area 52 on the inner side of the positioning groove 51.

[0061] Understandably, the ultrasonic welding fixture 50 is also arranged in a ring shape so that the ultrasonic welding fixture 50 can completely cover the folded ring 2. The positioning groove 51 inside the ultrasonic welding fixture 50 is used to engage with the folded ring 2 to position the ultrasonic welding fixture 50.

[0062] Step S420: Press the ultrasonic welding fixture onto the folded ring so that the folded ring extends into the positioning groove and the abutting area is pressed onto the first support area so that the composite layer is pressed onto the first support area through the abutting area;

[0063] The folding ring 2 extends into the positioning groove 51 to position the ultrasonic welding fixture 50, and align the abutment area 52 with the first support area 35, thereby improving the alignment accuracy, facilitating complete contact between the abutment area 52 and the composite layer 40, increasing the contact area, and thus improving the fusion effect of the composite layer 40 during welding.

[0064] Step S430: Use the ultrasonic welding fixture to perform ultrasonic welding on the composite layer, so that the cone and the folded ring at the composite layer are fused together to connect the cone and the folded ring.

[0065] Understandably, applying pressure to the materials being welded during ultrasonic welding helps improve the fusion effect. Therefore, by setting an abutment area 52 on the ultrasonic welding fixture 50 and pressing the composite layer 40 through the abutment area 52, the ultrasonic welding fixture 50 can simultaneously provide the functions of pressing and welding, reducing the number of parts and optimizing the spatial layout.

[0066] Please see Figure 3 The following is a detailed flowchart of step S430 of the method for preparing the vibration component of the present invention. In one embodiment, the ultrasonic welding fixture 50 includes a welding head 53, which forms the abutment area 52.

[0067] Step S430 includes:

[0068] Step S431: The welding head generates vibration perpendicular to the composite layer and presses down on the composite layer to perform ultrasonic welding on the composite layer until the cone and the folded ring at the composite layer melt and press together to connect the cone and the folded ring.

[0069] Understandably, if the angle between the welding head 53 and the surface to be welded is too large, the transmission efficiency of ultrasonic energy will be reduced, which may lead to poor welding effect or even failure to weld effectively. The abutment area 52 is in contact with the composite layer 40, that is, the abutment area 52 is parallel to the composite layer 40. Therefore, when the welding head 53 forms the abutment area 52, the vibration direction of the welding head 53 is close to perpendicular to the angle of the composite layer 40, so that the ultrasonic energy is transmitted to the surface to be welded more evenly, and the generated vibration is more effectively used to melt and bond the composite layer 40, thereby forming a strong weld. The continuous vibration of the welding head 53 causes the cone 1 and the folded ring 2 to rub against each other, generate heat and melt, and continuously apply downward pressure to promote the pressing of the cone 1 and the folded ring 2, thereby improving the fusion effect.

[0070] Please see Figure 6 Furthermore, the ultrasonic welding fixture 50 is also provided with a clearance groove 54, which is provided corresponding to the second connecting part 23 of the folded ring 2, so that the second connecting part 23 of the folded ring 2 will not be damaged when the ultrasonic welding fixture 50 is pressed down, so that the overall structural integrity of the folded ring 2 will not be affected, and the subsequent vibration component 100 will not be affected.

[0071] In one embodiment, the melting point of the fold 2 at the composite layer 40 is lower than the melting point of the cone 1 at the composite layer 40;

[0072] Before step S430, the following are also included:

[0073] Step S429: Adjust the vibration frequency and vibration time of the ultrasonic welding fixture according to the thickness of the folded ring at the composite layer, the melting point of the folded ring at the composite layer, and the melting point of the cone at the composite layer.

[0074] Understandably, in one embodiment, the cone basin 1 is made of the same material, and the surface of the cone basin 1 is fused with the folded ring 2. In another embodiment, the interior of the cone basin 1 is made of one material, and the exterior of the corresponding composite layer 40 is covered with a surface material of another material for fusion, and its outer shell folded ring 2 is fused. At the same time, for composite layers 40 with different melting points and different thicknesses, and for the melting point of the cone basin 1 corresponding to the composite layer 40, the vibration frequency and vibration time of the ultrasonic welding fixture 50 are adjusted to make the melting effect of the folded ring 2 and the cone basin 1 better and the fusion effect better.

[0075] In one embodiment, the mold 3 is provided with a heating device at a position corresponding to the first support area 35;

[0076] Before step S400, the following are also included:

[0077] S390: The cone at the first support area is heated by the heating device to soften the cone.

[0078] Since the melting point of the cone basin 1 is usually higher than that of the folded ring 2, and the folded ring 2 is in direct contact with the welding head 53, while the cone basin 1 and the welding head 53 are separated by the folded ring 2, the cone basin 1 is more difficult to fuse than the folded ring 2. Heating the cone basin 1 in advance by the heating device helps to soften the cone basin 1, which facilitates the fusion of the cone basin 1 and the folded ring 2 at the composite layer 40 and improves the fusion effect.

[0079] Specifically, the material of the fold ring 2 is rubber, and the material of the cone basin 1 or the surface material of the cone basin 1 at the composite layer 40 is a plastic with a melting point higher than that of rubber.

[0080] During ultrasonic welding, the rubber is more easily melted and forms a strong joint surface with the plastic cone 1, thereby improving the connection strength between the cone 1 and the fold ring 2. At the same time, the cone 1 is made of plastic with a higher melting point than the rubber, which can withstand higher temperatures during ultrasonic welding without melting. This avoids negative impacts on the structural integrity of the cone 1, thus ensuring the performance of the speaker.

[0081] Please see Figure 4 This is a detailed flowchart of step S200 of the method for preparing the vibration component of the present invention. In one embodiment, the mold 3 includes an upper mold 31 and a lower mold 32. The lower mold 32 has the limiting groove 33 and the limiting protrusion 34 formed on it. Step S200 includes:

[0082] Step S210: Place the cone-shaped basin into the limiting groove on the lower mold;

[0083] The limiting groove 33 on the lower mold 32 is adapted to the shape of the cone basin 1. After the cone basin 1 is placed into the limiting groove 33, the cone basin 1 is fixed horizontally by the limiting groove 33.

[0084] Step S220: Press the upper mold onto the cone basin to fix the cone basin in the limiting groove.

[0085] The upper mold 31 presses onto the cone 1 to limit the cone 1 in the vertical direction. Through the cooperation of the upper mold 31 and the lower mold 32, the cone 1 is fixed and will not move during the welding process, thereby ensuring the stability of the composite layer 40 welding and avoiding the cone 1 from shifting, which may cause welding errors or welding position shifts.

[0086] Step S500 includes:

[0087] Step S510: Remove the upper mold from the lower mold and take the vibration component out of the lower mold to obtain the vibration component.

[0088] After removing the upper mold 31, the vibration assembly 100 is removed from the lower mold 32, thereby obtaining the welded vibration assembly 100.

[0089] The present invention also proposes a sound-generating unit, the sound-generating unit comprising a housing and a vibration system and a magnetic circuit system mounted on the housing, the vibration system comprising a voice coil and a vibration assembly 100, the vibration assembly 100 being manufactured by the above-described method for manufacturing vibration assemblies, the inner peripheral edge of the cone 1 being connected to the voice coil, the magnetic circuit system forming a magnetic gap, and the voice coil being located within the magnetic gap.

[0090] The present invention uses the above-described method to manufacture a vibration component 100, which is formed by ultrasonic welding by fusing the cone 1 and the folded ring 2 to form the vibration component 100. This eliminates the need for adhesive bonding between the cone 1 and the folded ring 2, prevents the generation of odor due to adhesive volatilization, avoids impacting user health, is more environmentally friendly, and will not fail in reliability odor tests.

[0091] The present invention also proposes a sound-generating device, which includes a housing and a sound-generating unit as described above housed within the housing. The specific structure of the sound-generating unit is as described in the above embodiments. Since this sound-generating device adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here.

[0092] The present invention also proposes an electronic device that applies the aforementioned sound-generating device. The specific structure of this sound-generating device is as described in the above embodiments. Since this electronic device adopts all the technical solutions of all the above embodiments, it possesses at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be elaborated upon here.

Claims

1. A method for preparing a vibration component, characterized in that, The vibration assembly includes a cone and a folded ring. The folded ring includes a first connecting part, a folded ring part, and a second connecting part connected sequentially from the inside to the outside. The method for manufacturing the vibration assembly includes the following steps: A mold is provided; wherein the mold forms a limiting groove and a limiting protrusion located on the outer periphery of the limiting groove, the limiting groove is recessed downwards and the limiting protrusion is protruding upwards, and a first support area and a second support area are respectively formed on the inner and outer regions of the limiting protrusion on the module. The cone is fixed inside the limiting groove; The folded ring portion is fastened downwards onto the limiting protrusion, so that the limiting protrusion extends into the folded ring portion and engages with the folded ring portion. The first connecting portion is stacked on the outer peripheral edge of the cone basin to form a composite layer supporting the first support area, and the second connecting portion supports the second support area. The composite layer is pressed together, and the cone and the folded ring at the composite layer are fused together by ultrasonic welding to connect the cone and the folded ring. The mold is removed to obtain the vibration component.

2. The method for preparing the vibration component as described in claim 1, characterized in that, The step of pressing the composite layer together and then ultrasonically welding the composite layer to fuse the cone and the folded ring at the composite layer, thereby connecting the cone and the folded ring, includes: An ultrasonic welding fixture is provided, wherein the ultrasonic welding fixture has a positioning groove adapted to the shape of the folded ring portion, and the ultrasonic welding fixture has an abutment area inside the positioning groove. The ultrasonic welding fixture is pressed onto the folded ring so that the folded ring extends into the positioning groove and the abutting area is pressed onto the first support area so that the composite layer is pressed onto the first support area through the abutting area. The composite layer is ultrasonically welded using the ultrasonic welding fixture to fuse the cone and the folded ring at the composite layer, thereby connecting the cone and the folded ring.

3. The method for preparing the vibration component as described in claim 2, characterized in that, The ultrasonic welding fixture includes a welding head, which forms the contact area. The step of using the ultrasonic welding fixture to perform ultrasonic welding on the composite layer, fusing the cone and the folded ring at the composite layer to connect the cone and the folded ring, includes: The welding head generates vibrations perpendicular to the composite layer and presses down on the composite layer to perform ultrasonic welding on the composite layer until the cone and the folded ring at the composite layer melt and press together to connect the cone and the folded ring.

4. The method for preparing the vibration component as described in claim 2, characterized in that, The melting point of the folded ring at the composite layer is lower than the melting point of the cone basin at the composite layer; Before the step of using the ultrasonic welding fixture to perform ultrasonic welding on the composite layer to fuse the cone and the folded ring at the composite layer and connect the cone and the folded ring, the method further includes: The vibration frequency and vibration time of the ultrasonic welding fixture are adjusted according to the thickness of the folded ring at the composite layer, the melting point of the folded ring at the composite layer, and the melting point of the cone at the composite layer.

5. The method for preparing the vibration component as described in claim 1, characterized in that, The mold is equipped with a heating device at the position corresponding to the first support area; Before the step of pressing the composite layer together and ultrasonically welding the composite layer to fuse the cone and the folded ring at the composite layer to connect the cone and the folded ring, the method further includes: The cone-shaped basin at the first support area is heated by the heating device to soften the cone-shaped basin.

6. The method for preparing the vibration component according to any one of claims 1 to 5, characterized in that, The fold ring is made of rubber, and the cone or the surface material of the cone in the composite layer is a plastic with a melting point higher than that of rubber.

7. The method for preparing the vibration component according to any one of claims 1 to 5, characterized in that, The mold includes an upper mold and a lower mold, wherein the lower mold has the limiting groove and the limiting protrusion formed thereon; the step of fixing the cone within the limiting groove includes: Place the cone-shaped basin into the limiting groove on the lower mold; The upper mold is pressed onto the cone basin to fix the cone basin within the limiting groove.

8. The method for preparing the vibration component as described in claim 7, characterized in that, The step of dismantling the mold to obtain the vibration assembly includes: The upper mold is removed from the lower mold, and the vibration component is taken out from the lower mold to obtain the vibration component.

9. A sound-emitting monomer, characterized in that, The sound-generating unit includes a housing and a vibration system and a magnetic circuit system mounted on the housing. The vibration system includes a voice coil and a vibration assembly. The vibration assembly is manufactured by the method for manufacturing a vibration assembly as described in any one of claims 1 to 8. The inner peripheral edge of the cone is connected to the voice coil. The magnetic circuit system forms a magnetic gap, and the voice coil is located within the magnetic gap.

10. A sound-generating device, characterized in that, The sound-generating device includes a housing and a sound-generating unit as described in claim 9, housed within the housing.

11. An electronic device, characterized in that, The electronic device uses the sound-generating device as described in claim 10.

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