阅读说明：本技术 一种手机摄像头导电接触块垫圈的制作工艺及模具 (Manufacturing process and die for conductive contact block gasket of mobile phone camera ) 是由 黄华富 金辉 罗旭 于 2019-10-30 设计创作，主要内容包括：本发明公开了一种手机摄像头导电接触块垫圈的制作工艺及模具,本发明经过粗撕口、粗冲孔、半精冲孔、精冲孔、半精撕口、精撕口等加工工序,并配合自主研发的模具大幅提高了产品的生产精度和生产效率,提升了产品合格率,降低了企业生产成本。具体是经过先撕口,逐级冲孔,然后再撕口的方式,确保了产品的加工精度,同时降低产品加工时由于控制不当造成产品报废的情况方式,因此整个工艺过程提升了产品的加工精度及产品品质,同时提升了生产效率和产品合格率,降低了生产成本。(The invention discloses a manufacturing process and a die for a conductive contact block gasket of a mobile phone camera. The processing precision of the product is ensured by firstly tearing the opening, punching the hole step by step and then tearing the opening, and meanwhile, the condition mode that the product is scrapped due to improper control during product processing is reduced, so that the processing precision and the product quality of the product are improved in the whole technological process, the production efficiency and the product qualification rate are improved, and the production cost is reduced.)

1. A manufacturing process of a conductive contact block gasket of a mobile phone camera is characterized by comprising the following steps:

s1, coarse tearing: tearing the material for the first time;

s2, coarse punching: punching the material subjected to the rough tearing for the first time;

s3, semi-fine punching: then punching for the second time, wherein the diameter of the second punching is larger than that of the first punching,

s4, fine punching: punching for the third time, wherein the diameter of the punched hole for the third time is larger than that of the punched hole for the second time;

s5, semi-fine tearing: tearing the punched material for the second time,

s6, fine tearing: and (5) carrying out third tearing on the material, wherein the third tearing size is in accordance with the size of the final product.

2. The manufacturing process of the conductive contact block gasket for the mobile phone camera head according to claim 1, wherein the rough tear opening further comprises a side edge punching guide rail: and (5) correcting the position of the material and feeding the material into a stamping die.

3. The manufacturing process of the conductive contact block gasket for the mobile phone camera head according to claim 2, wherein the side punching edges are further included after the fine tearing opening, so that the final product is prevented from being deformed.

4. The manufacturing process of the conductive contact block gasket for the camera of the mobile phone according to claim 1, wherein the caliber of the thick tear is 2.88mm, and the thickness is 0.2 mm.

5. The manufacturing process of the conductive contact block gasket for the mobile phone camera according to claim 4, wherein the punched hole diameters of the rough punched hole, the semi-fine punched hole and the fine punched hole are gradually increased, specifically, the hole diameter of the rough punched hole is 1.15mm, the hole diameter of the semi-fine punched hole is 1.35mm, and the hole diameter of the fine punched hole is 1.55 mm.

6. The manufacturing process of the conductive contact block gasket for the mobile phone camera according to claim 5, wherein the calibers of the semi-fine tear opening and the tear opening in the fine tear opening process are gradually reduced and the thickness is gradually increased, specifically, the calibers of the semi-fine tear opening are 2.48mm and 0.2mm, the calibers of the fine tear opening are 2.28mm and the thickness is 0.43 mm.

7. The die for the conductive contact block gasket of the mobile phone camera according to claim 1, comprising an upper die and a lower die, wherein a guide pillar is arranged on the lower die, a guide sleeve is arranged at the upper end of the guide pillar, the guide pillar is sleeved on the upper die through the guide sleeve, a discharging assembly is arranged on the upper die, a male die fixing plate, a discharging plate and a limiting plate are arranged at the lower part of the upper die, a concave die plate is arranged on the lower die, a coarse tearing section, a coarse punching section, a semi-fine punching section, a semi-fine tearing section and a fine tearing section are sequentially arranged on the concave die plate, and an embossing die is further arranged in front of the coarse tearing section.

8. The die for the conductive contact block gasket of the mobile phone camera according to claim 7, wherein the upper die is further provided with a thimble, and the thimble is connected with a micro switch.

9. The mold for the gasket of the conductive contact block of the mobile phone camera according to claim 7, wherein a male mold corresponding to a female mold of each working section is arranged above the female mold plate.

10. The die for the gasket of the conductive contact block of the mobile phone camera is characterized in that a guide rail is further arranged in front of the rough tearing section.

Technical Field

The invention relates to the technology of electronic equipment, in particular to a manufacturing process of a high-precision conductive contact block gasket for a mobile phone camera and a corresponding production die.

Background

At present, in a mobile phone camera module, a metal gasket is mainly added between a camera and a front shell assembly. The outer diameter of the conductive contact block gasket is only about 5mm, meanwhile, the flatness of a common product is required to be 0.05mm, the thickness of the common product is 0.43 +/-0.03 mm, and the wall thickness of the common product is 0.35 +/-0.03 mm.

Disclosure of Invention

In order to overcome the defects, the inventor of the invention continuously reforms and innovates through long-term exploration and trial and multiple experiments and efforts, and provides a manufacturing process and a die for a conductive contact block gasket of a mobile phone camera.

In order to achieve the purpose, the invention adopts the technical scheme that: a manufacturing process of a conductive contact block gasket of a mobile phone camera comprises the following steps:

s1, coarse tearing: tearing the material for the first time;

s2, coarse punching: punching the material subjected to the rough tearing for the first time;

s3, semi-fine punching: then secondary punching is carried out, the diameter of the secondary punching is larger than that of the primary punching,

s4, fine punching: punching for the third time, wherein the diameter of the punched hole for the third time is larger than that of the punched hole for the second time;

s5, semi-fine tearing: tearing the punched material for the second time,

s6, fine tearing: and (5) carrying out third tearing on the material, wherein the third tearing size is in accordance with the size of the final product.

According to the manufacturing process of the conductive contact block gasket of the mobile phone camera, the further preferable technical scheme is that the manufacturing process further comprises the following steps of punching a side edge guide rail before the rough tearing opening: and (5) correcting the position of the material and feeding the material into a stamping die.

According to the manufacturing process of the conductive contact block gasket of the mobile phone camera, a further preferable technical scheme is that the side punching edge is further included after the fine tearing opening, so that the final product is prevented from being deformed.

According to the manufacturing process of the conductive contact block gasket of the mobile phone camera, the technical scheme is further optimized, the caliber of the thick tearing opening is 2.88mm, and the thickness is 0.2 mm.

According to the manufacturing process of the conductive contact block gasket of the mobile phone camera, the technical scheme is further optimized, the punching hole diameters of the rough punching hole, the semi-fine punching hole and the fine punching hole are gradually increased, specifically, the hole diameter of the rough punching hole is 1.15mm, the hole diameter of the semi-fine punching hole is 1.35mm, and the hole diameter of the fine punching hole is 1.55 mm.

According to the manufacturing process of the conductive contact block gasket of the mobile phone camera, the technical scheme is further optimized, the caliber of the semi-precise tearing opening is gradually reduced, the thickness of the tearing opening is gradually increased in the precise tearing opening process, specifically, the caliber of the semi-precise tearing opening is 2.48mm, the thickness of the semi-precise tearing opening is 0.2mm, the caliber of the precise tearing opening is 2.28mm, and the thickness of the precise tearing opening is 0.43 mm.

The invention also provides a special mobile phone camera conductive contact block gasket die for the process, which comprises an upper die and a lower die, wherein the lower die is provided with a guide pillar, the upper end of the guide pillar is provided with a guide sleeve, the guide pillar is sleeved on the upper die through the guide sleeve, the upper die is provided with a discharging assembly, the lower part of the upper die is provided with a male die fixing plate, a discharging plate and a limiting plate, the lower die is provided with a concave die plate, the concave die plate is sequentially provided with a coarse tearing section, a coarse punching section, a semi-fine punching section, a semi-fine tearing section and a fine tearing section, and an embossing die is further arranged in front of the coarse tearing section.

According to the invention, the preferable technical scheme is that the upper die is further provided with a thimble, and the thimble is connected with a microswitch.

According to the conductive contact block gasket die for the mobile phone camera, the technical scheme is preferably that a male die corresponding to a female die of each working section is arranged above the female die plate.

According to the conductive contact block gasket die for the mobile phone camera, a preferable technical scheme is that a guide rail is further arranged in front of a coarse tearing section.

Compared with the prior art, the technical scheme of the invention has the following advantages:

the invention adopts a brand new manufacturing process and is matched with an original die, thereby greatly improving the production precision and the production efficiency of the product, improving the product percent of pass and reducing the production cost of enterprises.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of the mold structure of the present invention.

FIG. 2 is a schematic top view of the mold making process segment of the present invention.

The reference numbers in the figures are: the device comprises an upper die 100, a punch retainer 101, a limiting plate 102, a stripper plate 103, a lower die 200, a guide pillar 300, a guide sleeve 301, a stripper assembly 400, a die plate 500, a rough tearing section 501, a rough punching section 502, a semi-fine punching section 503, a fine punching section 504, a semi-fine tearing section 505, a fine tearing section 506, a thimble 600, a microswitch 700, a punch 800 and a die 900.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, not all of the embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the detailed description of the embodiments of the present invention provided below is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention.