TWI666503B - Integrated waterproof lens barrel structure and manufacturing method thereof - Google Patents

Abstract

The invention relates to an integrated waterproof lens barrel structure and a manufacturing method thereof. The integrated waterproof lens barrel structure includes at least a lens barrel and a waterproof ring provided on the lens barrel. The main features are: the lens barrel and the waterproof ring It is integrated in a forming mechanism to improve the assembly problem and achieve the effect of waterproofing; thereby: the one-piece waterproof lens barrel structure and its manufacturing method of the present invention are formed by the two-material injection molding method of the two-material injection molding machine, The lens barrel also has a waterproof structure with a waterproof ring on its structure, which effectively solves the disadvantages of the failure of the waterproof function of the traditional lens barrel structure due to assembly and missing installation problems, and indeed improves the assembly problem to achieve a high degree of waterproofness. Benefits of efficacy.

Description

Integrated waterproof lens barrel structure and manufacturing method thereof

The invention relates to an integrated waterproof lens barrel structure and a manufacturing method thereof, in particular to a lens barrel structure in which a lens barrel and a waterproof ring are integrally formed in a two-material forming mechanism to improve assembly problems and increase waterproof functions, and a manufacturing method thereof. .

According to the continuous innovation and progress of science and technology, portable mobile devices such as smart phones, tablets, or driving recorders have become increasingly widespread, and they are also gradually moving towards the goals of lightness, beauty, and versatility. The function system has been extremely popular in recent years. It is also one of the standard equipment's functions. Various manufacturers have racked their brains to develop high-resolution, thin, light and short digital image modules to jointly improve the performance of mobile devices.

Please refer to Figure 1, which is a cross-sectional view of the overall structure of a conventional lens barrel structure. In order to strengthen the waterproof requirements of the lens, the lens device 1 of the traditional digital camera module will place a waterproof ring 3 on the lens barrel 2 for sealing. In order to meet the waterproof requirements of the overall lens device 1; however, if the lens device 1 has a problem of missing installation, the user cannot observe the outside of the lens device 1 and thus easily causes the disadvantages such as the failure of the waterproof function of the lens device 1; therefore, how to Effectively with innovative hardware design, it is possible to add a waterproof structure of a waterproof ring to the structure while shooting the lens barrel. In addition to reducing assembly man-hours, it can also solve the problem of traditional lens barrel structures due to missing installation. The disadvantage of causing the failure of the waterproof function is still a problem that related industry developers and related researchers who need to continue their efforts to overcome and solve the lens structure.

Today, the inventor is in view of the many dangers and difficulties encountered in the actual implementation of the above-mentioned traditional lens barrel structure, so it is a tireless spirit, supplemented by its rich professional knowledge and years of practical experience to improve it Based on this, the invention was developed.

The main purpose of the present invention is to provide an integrated lens barrel structure and a manufacturing method thereof, in particular to a lens barrel structure in which a lens barrel and a waterproof ring are integrally formed in a dual-material forming mechanism to improve the problem of missing installation and increase the waterproof function, and a manufacturing method thereof. The method is mainly based on the dual-material injection molding method of the dual-material injection molding machine to add a waterproof ring to the structure of the lens barrel at the same time as the lens barrel is injected, which effectively solves the traditional lens barrel structure due to assembly problems by integral molding. The disadvantage of causing the failure of the waterproof function does achieve the advantage of improving the assembly problem to achieve a high waterproof effect.

In order to achieve the above-mentioned implementation purpose, the present inventor proposes an integrated waterproof lens barrel structure, which includes at least a lens barrel and a waterproof ring provided on the lens barrel. The main feature is that the lens barrel and the waterproof ring are connected to each other. The forming mechanism is integrally formed to improve the assembly problem and achieve the waterproof effect.

The integrated waterproof lens barrel structure described above, wherein the lens barrel is made of thermoplastic plastic.

The one-piece waterproof lens barrel structure described above, wherein the thermoplastic is a material such as polycarbonate (PC), ABS resin (Acrylonitrile Butadiene Styrene (ABS), or polyamide (PA)).

The integrated waterproof lens barrel structure as described above, wherein the waterproof ring is made of a thermoplastic elastomer (Thermoplastic Elastomer, TPE).

The integrated waterproof lens barrel structure as described above, wherein the thermoplastic plastic and the thermoplastic The elastic system integrally forms the lens barrel and the waterproof ring in the forming mechanism by means of double injection.

Furthermore, in order to achieve the implementation purpose of the integrated waterproof lens barrel structure, the present inventor has developed the following implementation technology; first, a mold is prepared, and the mold system includes a first sub-mold having two mold cavities, and one having two correspondences. The second sub-mold of the mold core, wherein the first sub-mold is correspondingly covered on the second sub-mold; then, a forming mechanism is used to inject a first material and form it into a cavity thereof to form a The lens barrel is closely attached to the corresponding mold core, wherein a groove is formed on the lens barrel; then, the first sub-mold and the second sub-mold are opened; then, the second sub-mold is turned over to make the close contact The mold core of the lens barrel corresponds to another mold cavity. Next, the forming material is used to inject the first material again to form another lens barrel in the cavity, and simultaneously eject a second material to form a waterproof ring in the groove; The first sub-mold and the second sub-mold are opened again, and the lens barrel with the waterproof ring is demolded, while the other lens barrel is still tightly attached to the mold core. Finally, the last three steps are repeated to obtain the plural number. Integrated and waterproof The lens barrel.

The method for manufacturing the integrated waterproof lens barrel as described above, wherein the first sub-mold is a male mold.

As described above, in the manufacturing method of the integrated waterproof lens barrel, the second sub-mold is a female mold, and the second sub-mold is correspondingly disposed on one end portion of the male mold.

The method for manufacturing the integrated waterproof lens barrel as described above, wherein the forming mechanism is a twin-material injection molding machine.

As described above, in the method for manufacturing the integrated waterproof lens barrel, the first material is a thermoplastic plastic.

The method for manufacturing the integrated waterproof lens barrel as described above, the thermoplastic is polycarbonate (Polycarbonate, PC), ABS resin (Acrylonitrile Butadiene Styrene, ABS) Or one of the materials such as Polyamide (PA).

The method for manufacturing an integrated waterproof lens barrel as described above, wherein the second material is a thermoplastic elastomer (TPE).

Therefore, the structure and manufacturing method of the waterproof lens barrel of the present invention are mainly formed by a dual material injection molding method of a dual material injection molding machine, so that the lens barrel is injected with a waterproof structure of a waterproof ring on the structure, which is effective. The one-piece method solves the disadvantages of the failure of the waterproof function caused by the assembly of the traditional lens barrel structure due to the assembly problem, and indeed achieves the advantage of improving the assembly problem to achieve a high waterproof effect. In addition, the bulk waterproof lens barrel structure and the manufacturing method thereof according to the present invention are mainly By means of the dual-material injection molding and embedded structure reinforcement, it effectively prevents the disadvantage of insufficient strength of the lens barrel and the waterproof ring caused by the use of different materials. It is indeed an integrally formed waterproof structure on the lens barrel structure to strengthen the lens barrel structure. With the purpose of waterproofing the mobile device prepared with it.

(Traditional lens barrel structure)

1‧‧‧ lens device

2‧‧‧ lens barrel

3‧‧‧ Waterproof ring

(A body-type waterproof lens barrel structure of the present invention and a manufacturing method thereof)

1‧‧‧Integrated waterproof lens tube structure

11‧‧‧ lens barrel

111‧‧‧ groove

1111‧‧‧First groove

1112‧‧‧Second groove

112‧‧‧The first lens barrel

113‧‧‧Second lens barrel

12‧‧‧Waterproof ring

121‧‧‧The first waterproof ring

2‧‧‧mould

21‧‧‧The first mold

211‧‧‧mould cavity

2111‧‧‧First mold cavity

2112‧‧‧Second mold cavity

22‧‧‧Second Child Mould

221‧‧‧ Mould

2211‧‧‧First Mould

2212‧‧‧Second Mould

3‧‧‧forming mechanism

31‧‧‧ the first injection device

32‧‧‧Second injection device

4‧‧‧ first material

5‧‧‧ second material

S1‧‧‧Step 1

S2‧‧‧Step 2

S3‧‧‧Step Three

S4‧‧‧Step 4

S5‧‧‧Step 5

S6‧‧‧Step Six

S7‧‧‧Step Seven

Figure 1: Cross-sectional view of the overall structure of a traditional lens barrel structure

Figure 2: Cross-sectional view of the overall structure of a preferred embodiment of the integrated waterproof lens barrel structure of the present invention

Figure 3: Flow chart of steps of the method for manufacturing the integrated waterproof lens barrel of the present invention

Figure 4: Schematic diagram of the manufacturing process of the integrated waterproof lens barrel manufacturing method of the present invention (1)

Figure 5: Schematic diagram of the manufacturing process of the integrated waterproof lens barrel manufacturing method of the present invention (2)

Figure 6: Schematic diagram of the manufacturing process of the integrated waterproof lens barrel manufacturing method of the present invention (3)

Figure 7: Schematic diagram of the manufacturing process of the integrated waterproof lens barrel manufacturing method of the present invention (4)

Figure 8: Schematic diagram of the manufacturing process of the integrated waterproof lens barrel manufacturing method of the present invention (5)

In order for the reviewing committee members to understand the technical features, contents, advantages of the present invention, and the effects that can be achieved, the present invention is described in detail with the accompanying drawings in the form of embodiments, and the diagrams used therein, Its main purpose is only for the purpose of illustration and supplementary description. It may not be the actual proportion and precise configuration after the implementation of the invention. Therefore, the attached drawings should not be interpreted and limited to the scope of rights of the present invention in actual implementation. , He Xianxian.

First, please refer to FIG. 2, which is a cross-sectional view of the overall structure of a preferred embodiment of the integrated waterproof lens barrel structure according to the present invention. The waterproof lens barrel structure 1 of the present invention includes at least one lens barrel 11. And a waterproof ring 12 provided on the lens barrel 11, which is mainly characterized in that the lens barrel 11 and the waterproof ring 12 are integrally formed by a forming mechanism 3 (as shown in FIG. 5) to improve assembly problems and achieve waterproofness. In addition, the lens barrel 11 is made of thermoplastic plastic, which is made of one of polycarbonate (PC), ABS resin (ABS), or polyamide (PA); The waterproof ring 12 is made of a thermoplastic elastomer (TPE). In addition, the thermoplastic plastic and the thermoplastic elastic system are integrally molded into the lens barrel 11 and the waterproof ring 12 in the molding mechanism 3 in a two-shot manner; In the embodiment, the lens barrel 11 and the waterproof ring 12 are integrally formed in the forming mechanism 3 by double injection, and the waterproof ring 12 is formed in a groove 111 of one of the lens barrels 11 to improve assembly problems and achieve waterproofness. efficacy.

Furthermore, in order to enable your reviewing committee to have a deeper and more detailed understanding of the structure of the waterproof lens barrel (1) of the present invention, please refer to FIG. 3 again to illustrate the steps of the method for manufacturing the integrated waterproof lens barrel of the present invention. A flowchart, wherein the method for manufacturing a waterproof lens barrel of the present invention mainly includes the following steps: Step 1 S1: preparing a mold 2, the mold 2 includes a first sub mold 21 having two mold cavities 211, and a mold having two The second sub-mold 22 corresponding to the mold core 221 of the cavity 211, The first sub-mold 21 is correspondingly placed on the second sub-mold 22; in addition, the first sub-mold 21 is a male mold; further, the second sub-mold 22 is a female mold to correspond to the cap One end of the male mold of a sub-mold 21; please refer to FIG. 4 together, which is a schematic diagram of the manufacturing process of the integrated waterproof lens barrel manufacturing method of the present invention (1), in which the first sub-mold 21 has an upside down The male molds of the first cavity 2111 and the second cavity 2112 are provided, and the second sub-mold 22 has the first cavity 2211 and the second cavity 2212 corresponding to the first cavity 2111 and the second cavity 2112. The master mold, and the male mold of the first sub-mold 21 is correspondingly covered on one end of the mother mold of the second sub-mold 22; step two S2: using a forming mechanism 3 to inject a first material 4 and forming on it A cavity 211 is formed to form a lens barrel 11 and is closely contacted with the corresponding cavity 211, wherein a groove 111 is formed on the barrel 11; in addition, the forming mechanism 3 is a twin-material injection molding machine; The first material 4 is a thermoplastic, and the thermoplastic is polycarbonate (PC), ABS resin (ABS), or polyamide (PA). ) And other materials; please refer to FIG. 5 together, which is a schematic diagram of the manufacturing process of the integrated waterproof lens barrel manufacturing method of the present invention (2), in which the first sub mold 21 and the second sub mold 22 cover correspondingly The combined mold 2 is placed in the forming mechanism 3, and the first material 4 in the form of a thermoplastic polycarbonate (PC) is injected into the first cavity 2111 by the first injection device 31 of the forming mechanism 3. To form a first lens barrel 112 and closely contact the corresponding first mold cavity 2111, wherein the first lens barrel 112 is provided with a first groove 1111 in a ring; step three S3: the first sub-mold 21 and The second sub-mold 22 is opened; Step S4: Turn the first sub-mold 21 so that the cavity 211 in which the lens barrel 11 is in close contact with the other mold core 221; please refer to FIG. Schematic diagram of the manufacturing process of the integrated waterproof lens barrel manufacturing method (three), in which the first sub-mold 21 and the second sub-mold 22 are opened, and then the first sub-mold 21 is turned over so that the first lens barrel 112 is in close contact The first cavity 2111 is correspondingly closed on the first cavity Two molds 2212; Step five S5: Use the forming mechanism 3 to shoot the first material 4 again to form another lens barrel 11 in the cavity 211, and simultaneously shoot a second material 5 to form a waterproof ring 12 in the groove 111; In addition, the second material 5 is a thermoplastic elastomer (TPE); please refer to FIG. 7 together, which is a schematic diagram of the manufacturing process of the integrated waterproof lens barrel manufacturing method of the present invention (four), in which the first sub mold 21 is flipped The subsequent mold 2 is a two-shot injection process in the forming mechanism 3, that is, the first injection device 31 of the forming mechanism 3 first ejects the first material 4 into the second cavity 2112, and forms a second lens barrel 113. The second lens barrel 113 is provided with a second groove 1112 on the ring, and the second injection device 32 connected to the forming mechanism 3 ejects the second material 5 into the first groove 1111 of the first lens barrel 112 to form A first waterproof ring 121; Step S6: The first sub-mold 21 and the second sub-mold 22 are opened again, and the lens barrel 11 with the waterproof ring 12 is demolded, while the other lens barrel 11 is still tightly closed. On the mold cavity 211; please refer to FIG. 8 together, which shows the manufacturing method of the integrated waterproof lens barrel of the present invention Schematic diagram of the process (five), where the two-shot injection process is completed, the first sub-mold 21 and the second sub-mold 22 are opened, and then the first mold cavity 2111 is tightly sealed and the first waterproof ring 121 The lens barrel 112 is completed and demolded, while the second lens barrel 113 is still tightly sealed in the second cavity 2112, and a second groove 1112 is provided on the collar of the second lens barrel 113; and step 7 S7: repeat the steps Four S4 to six steps S6 to obtain a plurality of lens barrels 11 integrally formed and provided with a waterproof ring 12. In a preferred embodiment of the present invention, after the first lens barrel 112 is completed and demolded, the above steps are performed. Four S4 turns the first sub-mold 21 again, so that the first mold core 2211 corresponds to the first mold cavity 2111, and the second mold cavity 2112 with the second lens barrel 113 in close contact corresponds to the second mold core 2212; then, as step As shown in S5, the first injection device 31 using the forming mechanism 3 emits the first A material 4 forms a third lens barrel (not shown in the figure) in the first cavity 2111, and simultaneously ejects the second material 5 with the second injection device 32 to form a second waterproof ring in the second groove 1112 (FIG. (The formula is not marked); then, as shown in step S6, the first sub-mold 21 and the second sub-mold 22 are opened, and the second lens barrel 113 with the second waterproof ring is demolded, and the third lens barrel The system is still tightly attached to the first cavity 2111, and the process steps of steps S4 to S6 to S6 described above are continuously repeated to obtain a plurality of lens barrels 11 having a waterproof ring 12 structure.

As can be seen from the above-mentioned implementation description, compared with the prior art, the structure and manufacturing method of the one-piece waterproof lens barrel of the present invention have the following advantages:

1. The bulk waterproof lens barrel structure and its manufacturing method of the present invention are mainly formed by the dual material injection molding method of the dual material injection molding machine, so that the lens barrel is injected with the waterproof structure of the waterproof ring on the structure at the same time. The integral molding method solves the disadvantage of the failure of the waterproof function caused by the assembly problem of the traditional lens barrel structure, and indeed achieves the advantage of improving the assembly problem to achieve a high waterproof effect.

2. The body-type waterproof lens barrel structure and manufacturing method of the present invention are mainly used to strengthen the forming and embedding structure of the double material injection to effectively prevent the shortcomings of insufficient bonding strength caused by the use of different materials for the lens barrel and the waterproof ring. The waterproof structure is integrally formed on the lens barrel structure to achieve the purpose of strengthening the waterproofness of the lens barrel structure and the mobile device prepared therefrom.

To sum up, the structure of a waterproof lens barrel and the manufacturing method thereof according to the present invention can indeed achieve the expected use effect through the embodiments disclosed above, and the present invention has not been disclosed before the application. Meet the requirements and requirements of the Patent Law. I filed an application for an invention patent in accordance with the law, and I urge you to examine it and grant the patent.

However, the illustrations and descriptions disclosed above are only preferred embodiments of the present invention. It is not intended to limit the scope of protection of the present invention; anyone who is familiar with the technology, other equivalent changes or modifications made according to the characteristic scope of the present invention, should be regarded as not departing from the design scope of the present invention.

Claims (7)

A method for manufacturing an integrated waterproof lens barrel includes the following steps: Step 1: preparing a mold, the mold system includes a first sub-mold having two mold cavities, and a mold core having two corresponding mold cavities A second sub-mold, wherein the first sub-mold is correspondingly covered on the second sub-mold; step 2: using a forming mechanism to inject a first material and forming it into one of the mold cavities to form a lens barrel And is closely attached to the corresponding cavity, wherein a groove is formed on the lens barrel; step three: opening the first sub mold and the second sub mold; step four: turning the first sub mold, So that the mold cavity in which the lens barrel is closely closed corresponds to another mold core; step 5: using the forming mechanism to shoot the first material again to form another lens barrel in the mold cavity, and simultaneously shoot a second material A waterproof ring is formed in the groove; Step 6: The first sub-mold and the second sub-mold are opened again, and the lens barrel with the waterproof ring is demolded, while the other lens barrel is still dense. Close to the cavity; and step 7: repeat steps 4 ~ 6 To obtain a plurality of integrally formed lens barrels provided with the waterproof ring. The manufacturing method of a body-type waterproof lens barrel according to item 1 of the scope of the patent application, wherein the first sub-mold is a male mold. According to the manufacturing method of one-piece waterproof lens barrel described in item 1 or 2 of the scope of the patent application, wherein the second sub-mold is a female mold, correspondingly arranged on one end of the male mold. The manufacturing method of a body-type waterproof lens barrel according to item 1 of the scope of the patent application, wherein the forming mechanism is a twin-material injection forming machine. The manufacturing method of a body-type waterproof lens barrel according to item 1 of the scope of the patent application, wherein the first material is a thermoplastic plastic. The method for manufacturing a body-type waterproof lens barrel according to item 5 of the scope of the patent application, wherein the thermoplastic is one of polycarbonate, ABS resin, or polyamide. The method for manufacturing a body-type waterproof lens barrel as described in item 6 of the patent application scope, wherein the second material is a thermoplastic elastomer.