Vulcanized rubber ring-added integrally-formed vibrating diaphragm and forming mold thereof

Abstract

The vulcanized rubber ring-added integrally-formed vibrating diaphragm comprises a vibrating diaphragm main body part and a steel ring integrally formed on the vibrating diaphragm main body part, a mounting part is arranged on the peripheral edge of the vibrating diaphragm main body part, a limiting groove is formed in the outer side end face of the mounting part, the steel ring is embedded in the limiting ring, a plurality of holes are formed in the steel ring, and connecting columns are arranged at the positions, corresponding to the holes, of the vibrating diaphragm main body part. According to the vulcanized rubber ring-adding molded vibrating diaphragm, the vibrating diaphragm main body part is integrally molded on the steel ring, so that the cost of manual ring swinging, mesh screen and glue bonding is saved, the emission of harmful substances is avoided, and the vulcanized rubber ring-adding molded vibrating diaphragm is more friendly to the environment and the body health of operators. And meanwhile, the steel ring is provided with the through hole structure, so that the steel ring and the vibrating diaphragm main body part are combined more firmly, the risk of degumming is reduced, and the product quality is improved. The practicability is high, and the popularization significance is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a vibrating diaphragm technical field especially relates to a vulcanized rubber adds ring integrated molding vibrating diaphragm and forming die thereof. BACKGROUND

[0002] Miniature loudspeaker is important acoustics part of portable electronic equipment, is widely used in mobile phone, computer, tablet computer, watch and so on portable equipment. The vibrating diaphragm is a core component of the loudspeaker, and the outer periphery of the vibrating diaphragm is attached to a steel ring structure. The traditional steel ring is usually pasted on the vibrating diaphragm by using glue. During processing, the stainless steel ring needs to be arranged and laid according to the surface plane and the R angle surface of the vibrating diaphragm. This step needs careful manual operation to ensure that each steel ring is flat and neatly laid on the screen. This method wastes a lot of labor and screen costs, and has the disadvantages of low efficiency. Then, the laid steel ring is sent to the glue spraying workshop for surface glue spraying treatment. This step has the problems of harm to the environment and the health of the operators during the glue spraying process, waste of glue and labor cost. Finally, the steel ring sprayed with glue is placed in the mold and the edge material for hot pressing forming. The adhesion of the steel ring and the edge material after glue spraying has hidden dangers, and there is a risk of poor adhesion and glue peeling. SUMMARY

[0003] Therefore, it is necessary to provide a vulcanized rubber ring forming vibrating diaphragm and forming die thereof to solve the above problems.

[0004] A vulcanized rubber ring integrated molding vibrating diaphragm comprises a vibrating diaphragm main body and a steel ring integrally formed on the vibrating diaphragm main body. An installation part is arranged on the outer periphery of the vibrating diaphragm main body. A limiting groove is arranged on the outer side end face of the installation part. The steel ring is embedded in the limiting ring. A plurality of holes are arranged on the steel ring. A connecting column is arranged on the vibrating diaphragm main body corresponding to the hole position.

[0005] Further, the holes on the steel ring are through holes, and the through holes pass through the steel ring from top to bottom.

[0006] Further, the installation part comprises an upper plate, a lower plate and a connecting column connecting the lower plate and the upper plate. The upper and lower ends of the connecting column are connected to the bottom surface of the upper plate and the top surface of the lower plate respectively.

[0007] Further, the outer side end of the steel ring extends out of the installation part.

[0008] Further, the vibrating diaphragm main body comprises a folded ring, an inner extension along arranged in the middle part of the folded ring and a suspension edge arranged on the outer side of the folded ring. A middle sticker is arranged on the inner extension along. The installation part is arranged on the outer side of the suspension edge.

[0009] A diaphragm forming mold is used to form the vulcanized rubber ring integrally formed diaphragm mentioned above. The diaphragm forming mold includes an upper mold and a lower mold, which are arranged opposite each other. The lower mold has a lower mold cavity, and the side of the lower mold cavity has an annular limiting step. The outer end of the steel ring is mounted on the limiting step, and the inner side of the steel ring is suspended in the lower mold cavity.

[0010] Furthermore, a mold core is provided in the middle of the lower mold, and the lower mold cavity is arranged around the mold core.

[0011] Furthermore, the inner end of the steel ring is spaced apart from the outer surface of the mold core.

[0012] In summary, this utility model, a vulcanized rubber ring-molded diaphragm, integrally molds the diaphragm body onto a steel ring, saving costs associated with manual ring manipulation, screen installation, and adhesive bonding, while also avoiding the emission of harmful substances, making it more environmentally friendly and beneficial to the health of operators. Furthermore, the through-hole structure on the steel ring ensures a stronger bond between the steel ring and the diaphragm body, reducing the risk of delamination and improving product quality. It is highly practical and has significant potential for widespread application. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of a vulcanized rubber ring-molded diaphragm according to the present invention;

[0014] Figure 2 for Figure 1 Schematic diagram of the exploded diaphragm;

[0015] Figure 3 for Figure 1 A cross-sectional schematic diagram of the diaphragm;

[0016] Figure 4 for Figure 3 Schematic diagram of the exploded diaphragm;

[0017] Figure 5 This is a structural diagram of the diaphragm forming tool of this utility model. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of the utility model.

[0019] like Figures 1 to 4As shown, it is a kind of vulcanized rubber and ring integrated forming diaphragm provided by the utility model, the vulcanized rubber and ring integrated forming diaphragm includes vibration diaphragm main part 10 and the steel ring 20 being set on vibration diaphragm main part 10.In the embodiment, the steel ring 20 is stainless steel material;It can be understood that, in other embodiments, the steel ring 20 can also be other materials.

[0020] The steel ring 20 is provided with a plurality of through holes 21, and the through holes 21 penetrate the steel ring from top to bottom.In the embodiment, the steel ring 20 is rectangular, and the upper and lower surfaces thereof are horizontally arranged, and the through holes 21 are also square along the extension direction of the corresponding side of the steel ring 20.The corners of the steel ring 20 are arc-shaped rounded corners, and the through holes 21 corresponding to the positions are also arranged at a certain angle.In addition, the corners of the through holes 21 are also rounded.

[0021] The vibration diaphragm main part 10 includes a folded ring 11, an inner extension edge 12 arranged at the middle part of the folded ring 11, and a suspension edge 13 arranged outside the folded ring 11, and the inner extension edge 12 is provided with a middle adhesive 14.The suspension edge 13 is provided with a mounting part 15 outside, and the steel ring 20 is arranged in the mounting part 15.The mounting part 15 includes an upper plate 151, a lower plate 152, and a connecting column 153 connecting the lower plate 152 and the upper plate 151, and the upper plate 151 is connected with the suspension edge 13 and is flush.The upper and lower ends of the connecting column 153 are respectively connected to the bottom surface of the upper plate 151 and the top surface of the lower plate 152; the shape of the connecting column 153 is consistent with the shape of the through hole 21 on the steel ring 20.An overhead space is formed between the upper plate 151 and the lower plate 152, and the steel ring 20 is embedded in the overhead space, and the connecting column 153 is arranged in the through hole 21 of the steel ring 20.In the embodiment, the outer side end of the steel ring 20 extends out of the mounting part 15.

[0022] As shown, Figure 5 The utility model discloses a diaphragm forming die which is used for forming the vulcanized rubber and ring integrated forming diaphragm.The diaphragm forming die includes an upper die 30 and a lower die 40, the lower die 40 is provided with a lower die cavity 41 and a lower die core 42, and the lower die cavity 41 is arranged around the lower die core 42.The side of the lower die cavity 41 is provided with an annular limiting step part 43.The outer side end of the steel ring 20 is arranged on the limiting step part 43, and the inner side of the steel ring 20 is overhead in the lower die cavity 41.The bottom surface of the upper die 30 is provided with an upper die cavity 31, the upper die cavity 31 is downwardly combined with the lower die 40, the glue is injected into the die cavity, the glue is filled in the upper die cavity 31 and the lower die cavity 41, and the through hole 21 of the steel ring 20.After forming, the product is taken out by opening the die, at this time, the steel ring 20 and the vibration diaphragm main part 10 form an integrated structure, which is not easy to loosen, and the process and working hours are saved.

[0023] In summary, the utility model discloses a kind of vulcanized rubber ring forming diaphragm, by integral forming diaphragm main part 10 on steel ring 20, not only save manual ring, screen, and glue bonding cost, and avoid the emission of harmful substances, more friendly to environment and the health of operator. Meanwhile, set through-hole 21 structure on steel ring 20, make the combination of steel ring 20 and diaphragm main part 10 more firm, reduce the risk of degumming, improve product quality. Strong practicality, with strong popularization significance.

[0024] The above-described embodiments only express one implementation of the utility model, which is described in detail, but it cannot be understood as the limitation of the utility model patent scope. It should be pointed out that, for ordinary skilled person in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A vulcanized rubber ring-integrating molded diaphragm, characterized by: The diaphragm comprises a diaphragm body and a steel ring integrally formed on the diaphragm body; the diaphragm body is provided with a mounting portion on the outer periphery, the outer end surface of the mounting portion is provided with a limiting slot, and the steel ring is embedded in the limiting slot; the steel ring is provided with a plurality of holes, and the diaphragm body is provided with connecting columns corresponding to the holes.

2. The vulcanized rubber ring-integrally-molded diaphragm according to claim 1, characterized by: The holes in the steel ring are through holes, and the through holes pass through the steel ring from top to bottom.

3. The vulcanized rubber ring-integrally-molded diaphragm according to claim 1, wherein: The mounting portion comprises an upper plate, a lower plate and connecting columns connecting the upper plate and the lower plate, and the upper and lower ends of the connecting columns are respectively connected to the bottom surface of the upper plate and the top surface of the lower plate.

4. The vulcanized rubber ring-integrally-molded diaphragm according to claim 1, wherein: The outer end of the steel ring extends out of the mounting portion.

5. The vulcanized rubber ring-integrally-molded diaphragm according to claim 1, wherein: The diaphragm body comprises a folded ring, an inner extension along provided in the middle of the folded ring and a suspension edge provided on the outer side of the folded ring, the inner extension along is provided with a middle adhesive, and the mounting portion is provided on the outer side of the suspension edge.

6. A diaphragm forming mold characterized by: The diaphragm forming die for forming the diaphragm of any one of claims 1 to 5 comprises an upper die and a lower die, the upper die and the lower die are arranged in an upper-lower relationship, the lower die is provided with a lower die cavity, the side of the lower die cavity is provided with an annular limiting step portion, the outer end of the steel ring is arranged on the limiting step portion, and the inner side of the steel ring is spaced from the lower die cavity.

7. The diaphragm forming mold of claim 6, wherein: The middle of the lower die is further provided with a die core, and the lower die cavity is arranged around the die core.

8. The diaphragm forming mold of claim 7, wherein: The inner end of the steel ring is spaced from the outer surface of the die core.

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