KR100490173B1 - A housing manufacturing for camera module of mobile phone - Google Patents

Abstract

The present invention relates to a housing manufacturing apparatus for a camera module of a mobile phone.

The present invention has a chemical liquid groove formed in the center of one side, and the housing recess grooves formed by four taking a square structure on the left and right sides of the chemical liquid groove, and the gate of the housing recess groove and the chemical liquid groove so that the chemical liquid can move A housing mold having a runner groove which is slidably coupled to equipment such as an injection machine; A plurality of screws are formed in the housing recessed grooves, each of which is spaced apart from each other by a predetermined width, joined together with the housing chemical liquid, and formed to form a screw in the housing filled in the housing recess groove while moving backward after curing of the chemical liquid. shaft; A plurality of guide holes corresponding to the housing mold to maintain a fixed state in the equipment such as the injection molding machine, the rotatable screw-shaping shaft inserted into one surface and to protrude only the screw portion of the screw-shaping shaft to the outlet end And a chain gear for rotating the screw forming shaft by engaging the screw forming shaft in a key coupling manner in the guide hole, a chain connecting the chain gears, and a drive having a chain gear for rotating the chain. And a screw-forming mold having a motor and an intermediate chemical liquid injection hole for guiding the chemical liquid injected from the outside to inject the chemical liquid into the chemical liquid groove of the housing mold.

As described above, the present invention enables the manufacture of the lens housing for screwing the lens holder and the formation of the female screw portion in the lens housing at the same time, so that at least eight lens housings can be manufactured at a time through the mold. In addition, the manufacturing can be simplified and the manufacturing cost can be greatly reduced.

Description

Housing manufacturing apparatus for camera module of mobile phone {A HOUSING MANUFACTURING FOR CAMERA MODULE OF MOBILE PHONE}

The present invention relates to an apparatus for manufacturing a housing for a camera module of a mobile phone, and more particularly, to manufacture a plurality of housings at the same time when manufacturing a housing for a camera module applied to a mobile phone, thereby simplifying manufacturing and increasing costs. The present invention relates to a housing manufacturing apparatus for a camera module of a mobile phone.

In general, the camera module housing applied to the mobile phone is to be connected to the camera module by coupling the lens holder with a lens mounted therein by a screw coupling method.

That is, the inner circumferential surface of the housing connected to the camera module should be formed with a screw portion so that the screw portion of the lens holder coupled to the lens can be screwed, the screw portion to the bottom surface to securely bind the lens and the lens holder Will be formed.

Usually, the screw portion formed in the housing as described above is not formed by tapping after the mold work, but is formed densely in stability of product assembly, so that the screw portion is joined together with the resin liquid when molding the shaft in which the screw portion is formed. It is common to form the thread through reverse rotation (reverse) of the formed shaft.

However, when the screw portion is formed in the housing, the molds are formed one by one operation of the mold, and thus, the manufacturing period takes a lot, resulting in a large cost increase.

Therefore, the present invention was devised to solve the above problems, and an object of the present invention is to allow the formation of the female screw portion in the lens housing at the same time during the molding operation of the lens housing for screwing the lens holder, the production time In addition, the lens housing can be manufactured at the same time a plurality of at least eight at a time through the mold to simplify the manufacturing as well as to significantly reduce the manufacturing cost.

The present invention to achieve the above object,

In the housing manufacturing apparatus for a camera module of a mobile phone,

A chemical liquid groove formed at the center of one side, and a housing recess groove having four squares on both left and right sides of the chemical liquid groove, and a runner groove connecting the gate of the housing recess groove and the chemical liquid groove to move the chemical liquid groove. A housing mold which is formed to be slidably coupled to equipment such as an injection machine;

A plurality of screws are formed in the housing recessed grooves, each of which is spaced apart from each other by a predetermined width, joined together with the housing chemical liquid, and formed to form a screw in the housing filled in the housing recess groove while moving backward after curing of the chemical liquid. shaft;

A plurality of guide holes corresponding to the housing mold to maintain a fixed state in the equipment such as the injection molding machine, the rotatable screw-shaping shaft inserted into one surface and to protrude only the screw portion of the screw-shaping shaft to the outlet end And a chain gear for rotating the screw forming shaft by engaging the screw forming shaft in a key coupling manner in the guide hole, a chain connecting the chain gears, and a drive having a chain gear for rotating the chain. And a screw-forming mold having a motor and an intermediate chemical liquid injection hole for guiding the chemical liquid injected from the outside to inject the chemical liquid into the chemical liquid groove of the housing mold.

Here, the electromagnet is further provided so that the screw forming shaft, which is moved backward by the reverse rotation, behind the guide hole of the screw forming die is not moved and can be kept fixed by magnetic force.

In addition, the housing recess groove formed in the housing mold, it is possible to be formed to extend a predetermined width to the corresponding surface of the screw forming die to support it when the rotation of the screw forming shaft from the lens housing.

In addition, the runner grooves are connected to the intermediate part so as to communicate with the chemical liquid grooves, and horizontal runner grooves are formed at each of the front and rear ends, respectively, and a pair of vertical runner grooves are formed in communication at both ends of the horizontal runner grooves, respectively. The gates of the housing recess grooves are connected to both ends thereof.

In addition, the rear surface of the housing mold and the slide member to be moved forward and backward, the slide pin provided in the slide member and formed in the housing mold through the slide pins to push the housing and the runner located in the housing recess and runner groove To be provided.

In addition, the slide member located behind the housing mold corresponds to the housing mold through a guide bar, and a spring is provided on the guide bar to return to the spring elastic force when the slide member is advanced.

In addition, a plurality of tension adjustment idle chains may be further provided inside the screw forming mold to prevent sagging of the chain so that the chain gears have the same rotation ratio.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the camera module housing manufacturing apparatus of the mobile phone according to the present invention will be described in detail with respect to the conventional method, that is, the basic method of the conventional injection molding machine or die casting, etc. If it is determined that the gist may be blurred, a detailed description thereof will be omitted.

1 to 6, the present invention is to manufacture a housing for the camera module of the mobile phone, the chemical liquid groove 110 for forming a plurality of housings (H) as shown in FIG. And a housing mold (100) having a runner groove (120), a gate (130), and a housing recess groove (140), the housing mold (100) being provided so as to be movable back and forth in an equipment such as an injection molding machine and the housing mold located in the housing mold (100). The tip screw portion 220 is positioned in the mouth groove 140 to form a screw in the housing H when rotating, and the screw forming shaft 200 is guided and rotated at the same time to guide the screw forming shaft 200. Screw-forming mold 300 having an intermediate chemical liquid guide hole 310 to inject the chemical liquid into the driving motor 340 connected to the thread-forming shaft 200 and the chain gears and the chemical liquid groove 110 of the housing mold 100. It is configured to include).

The housing mold 100, which is provided in the equipment such as the injection machine as shown in Figure 4 is to be able to slide back and forth through the usual technical means, the chemical liquid groove 110 for injecting the chemical liquid in the front center Four recessed grooves 140 are formed on each side of the outlet of the chemical liquid groove 110, and the housing recess grooves 140 are formed, and the gate 130 and the chemical liquid groove 110 of the housing recess groove 140 are formed. Is in communication with each other so that the chemical liquid is movable through the runner groove 120 when the screw forming die 300 is in close contact.

The runner groove 120 is formed as a half arc-shaped groove portion on the front surface of the housing mold 100, the middle portion thereof is connected to communicate with the chemical liquid groove 110, and horizontal runner grooves 122 at both front and rear ends thereof, respectively. Each of which is formed and a pair of vertical runner grooves 124 are formed in communication with each other at both ends of the horizontal runner groove 122, respectively, and the gate 130 of the housing recessed grooves 140 at both ends of the vertical runner groove 124. The housing recess groove 140 is positioned on a corresponding surface of the housing mold 100 and the thread-forming mold 300 so that the inner diameter of the housing recess groove 140 is in the shape of the lens housing.

As shown in FIG. 5, the screw forming shaft 200 is formed with a screw portion 220 formed on an outer circumferential surface of the distal end so that the distal end portion 220 is spaced apart from the housing recessed groove 140 by a predetermined width. It is combined with the chemical liquid and moved to the rear as the screw is released when the reverse in the reverse rotation is filled in the housing recess groove 140 to form a screw in the hardened housing (H). The inclined portion 230 and the polygonal portion 240 are sequentially formed at the rear of the screw portion 220. That is, the inclined portion 230 is for controlling this so that the screw portion 220 of the front end no longer protrudes forward, and the rear polygonal portion 240 may be moved back and forth when coupled to the screw forming die 300, but rotates. This is for key coupling with the chain gear 330, which will be described later, to prevent this. That is, the screw forming shaft 200 is rotated in the same direction as the chain gear 330 by a polygon when the screw is loosened In operation, the slide is lifted and lifted relative to the chain gear 300 at the same time.

The screw forming die 300 is to be in close contact with the housing mold 100 shown in FIG. 4, as shown in FIG. 1, to be fixedly coupled to equipment such as an injection molding machine, and to form the screw therein. A plurality of guide holes 320 are formed so that the shaft 200 is inserted, and the screw forming shaft 200 is rotatably inserted into the one side corresponding surface and the screw forming shaft 200 is formed at the outlet end. Only the screw portion 220 is protruding. In addition, the guide hole 320 is provided with a chain gear 330 having a polygonal portion to which the screw forming shaft 200 is coupled in a key coupling manner to rotate the screw forming shaft 200, respectively, the chain gear ( 330 are connected to the drive motor 340 having a chain gear 330 and the chain 350 is rotated in the same direction at the same time when the drive motor 340 is rotated.

That is, when the chain 350 moves, the chain gears 330 are rotated in the same direction to rotate the screw forming shafts 200 coupled to the screw loosening direction. Accordingly, the screw forming shafts 200 are lifted by lifting. At the same time as the release rotation, the lifting operation is made.

In addition, the housing mold 100 is provided with a plurality of tension adjustment idle chain gear 360 to prevent the sag when the chain 350 is moved.

In addition, an intermediate chemical guide hole 310 is formed on the front center of the screw forming die 300 so that the tip of the screw forming die 300 corresponds to the chemical groove 110 of the housing mold 100. do. Accordingly, the housing chemical liquid injected from the outside is transferred to the housing inlet groove 140 through the intermediate chemical guide hole 310 and the chemical liquid groove 110.

Here, the housing recess groove 140 formed in the housing mold 100 is provided in the form of surrounding the screw portion 220 of the tip of the screw forming shaft 200 on the corresponding surface of the screw forming mold 300 is the runner It may be desirable to allow the chemical liquid to flow through the groove 120 and the gate 130.

In addition, the electromagnet 400 is provided at the rear of the guide hole 320 so that the screwed shaft 200 which is reversed due to reverse rotation is not moved.

The electromagnet 400, when the chain gear 330 is rotated in accordance with the movement of the chain 350 is a magnetic force according to the power applied when the screw forming shaft 200 is moved to the rear while rotating in the screw loosening direction Pulling the screw forming shaft 200 to prevent the screw forming shaft 200 from hitting the housing (H). That is, when the lifting shaft is completed by loosening after the screw forming operation of the screw forming shaft 200 which is rotatable and elevating with respect to the chain gear 330 through the polygonal part 240 is pulled by a predetermined section by the electromagnet 400. The tip does not hit the housing (H).

In the drawing, reference numeral 500 denotes a slide member, and the slide member 500 is positioned to move forward and backward on the rear surface of the housing mold 100, and the slide member 500 includes a slide formed on the housing mold 100. A slide pin 510 is provided to push the housing and the runner located in the housing recess groove 140 and the runner groove 120 through the hole.

In addition, the slide member 500 positioned behind the housing mold 100 may correspond to the housing mold 100 through a guide bar 540, and a spring 560 may be provided on the guide bar 540. As the slide member 500 advances, the compressed spring 560 is returned to the elastic force.

With reference to the accompanying drawings, the assembly and operation of the housing manufacturing apparatus for a camera module of a mobile phone according to the present invention configured as described above will be described in detail.

First, as shown in FIG. 1, the housing mold 100 and the screw forming mold 300 assembled to the injection molding machine and the like are positioned to correspond to each other, and then the housing mold 100 slides back and forth with respect to the screw forming mold 300. Assemble and fix to move.

Then, when the injection molding machine is operated, the housing mold 100 of FIG. 3 and the screw forming mold 300 of FIG. 4 are in close contact with each other, so that the screw forming shaft 200 is inserted into the housing recess groove 140 of the housing mold 100. The threaded portion 220 is located. At this time, when the chemical liquid is forced into the inlet of the intermediate chemical liquid injection hole 310 formed in the screw forming die 300, the chemical liquid is in each housing indentation groove through the chemical liquid groove 110 and the runner groove 120 connected thereto. 140). Then, when the injected chemical is cured, the driving motor 340 is operated to rotate the chain 350 and the chain 350 rotates each chain gear 330 simultaneously in the same direction. Accordingly, while the chain-shape 330 and the screw-shaft shaft 200 which is slide-coupled to be liftable in an anti-rotation state are rotated and lifted at the same time, the screw portion 220 at the tip thereof moves backward while forming a screw in the housing H. When the screw formation is continuously performed, the rear end of the screw forming shaft 200 is pulled out by the magnetic force of the electromagnet 400 provided at the top to maintain the fixed state.

Subsequently, when the housing mold 100 and the screw forming mold 300 are separated by the injection molding machine, the slide member 500 located at the rear of the housing mold 100 is advanced to move the slide pin 510 to the housing H. And the runner is removed from the housing recess groove 140 and the runner groove 120 of the housing mold 100 as shown in FIG. 6, wherein the housing H and the runner are moved to another work place through the ejector. The slide member 500 is returned to its initial state by the restoring force of the spring 560.

Accordingly, in the housing manufacturing apparatus for a camera module of a mobile phone according to the present invention, in the manufacture of a lens housing forming a camera module and screwing a lens holder, the formation of a female screw portion in the lens housing is formed simultaneously with the formation of a plurality of lens housing dies. In addition, it is possible to achieve the same time and greatly shorten the working time. In addition, a plurality of threaded shafts forming a female threaded portion in the lens housing can be connected by a chain and manufactured by eight at the same time. Of course, there is an effect that can greatly reduce the manufacturing cost. In other words, the method of forming a plurality of housing recesses in the housing mold by removing the screws from the conventional lens housings, and then rotating the screw shafts respectively inserted into the housing recesses through one chain simultaneously. Forming the thread by loosening the threaded shaft of the threaded shaft in the housing at the same time as the formwork is made possible by allowing the threaded shafts to be rotated and lifted by loosening through the chain gear.

1 is a front view showing a screw forming mold in the camera module housing manufacturing apparatus of the mobile phone according to the present invention,

Figure 2 is a main portion of the side engagement state of Figure 1,

3 is a cross-sectional view of a state in which the housing mold is moved and separated from the fixed screw forming mold in FIG. 2;

Figure 4 is a front view showing a housing mold in the housing manufacturing apparatus for a camera module of a mobile phone according to the present invention,

Figure 5 is an enlarged cross-sectional view of the use state showing the enlarged "E" in Figure 2, Figure 6 is a plan view of the article manufactured by the manufacturing apparatus according to the present invention.

<Description of the symbols for the main parts of the drawings>

H: housing

100: housing mold

110: chemical home 120: runner home

130: gate 140: housing recess

200: screw forming shaft

220: screw portion 230: inclined portion

240: polygon

300: screw forming mold

310: intermediate chemical injection hole

320: guide hole 330: chain gear

340: drive motor 350: chain

360: tension adjustment idler chain gear

400: electromagnet

500: slide member 510: slide pin

540: guide bar 560: spring

Claims (7)

In the housing manufacturing apparatus for a camera module of a mobile phone, A chemical concave groove 110 formed at the center of one surface, a housing concave groove 140 for forming a four-lens housing having a square structure on both left and right sides of the chemical liquid groove 110, and the housing concave groove 140. A housing mold 100 which is connected to the gate 130 and the chemical liquid groove 110 so that a runner groove 120 is formed to move the chemical liquid and is slidably coupled to equipment such as an injection machine; Each tip screw portion 220 is positioned in the housing indentation grooves 140 to be spaced apart by a predetermined width, and is joined together with the housing chemical in case of injecting the chemical solution, and moved backwards by loosening in reverse rotation after curing of the chemical solution. A plurality of threaded shafts 200 to form screws in the housing filled in 140; Corresponding to the housing mold 100 to maintain a fixed state in the equipment such as the injection molding machine, the screw forming shaft 200 inserted in one surface is rotatable and at the same time the outlet end of the screw forming shaft 200 A plurality of guide holes 320 to protrude only the screw portion 220, and the screw forming shaft 200 in the interior of the guide hole 320 by coupling the screw forming shaft 200 through a polygonal portion of the key coupling method the screw forming shaft 200 A chain gear 330 to rotate and slide up and down, a chain 350 connecting these chain gears 330, a drive motor 340 having a chain gear to rotate the chain 350, A screw forming mold 300 having an intermediate chemical liquid injection hole 310 for injecting the chemical liquid into the chemical liquid groove 110 of the housing mold 100 to guide the chemical liquid injected from the outside; Mobile phones Housing manufacturing apparatus for camera modules. The method of claim 1, The runner groove 120 has an intermediate portion connected to communicate with the chemical liquid groove 110, and horizontal runner grooves are formed at both front and rear ends, respectively, and a pair of vertical runner grooves are formed at both ends of the horizontal runner groove, respectively. The camera module housing manufacturing apparatus of the mobile phone, characterized in that the gate 130 of the housing recess groove 140 is connected to both ends of the vertical runner groove, respectively. The method according to claim 1 or 2, The housing recessing groove 140 formed in the housing mold 100 extends a predetermined width to a corresponding surface of the screw forming mold 300 to support it when the screw forming shaft 200 is unrolled from the lens housing. Housing manufacturing apparatus for a camera module of a mobile phone, characterized in that to enable. The method according to claim 1 or 2, The housing recess groove 140 and the runner are provided on the rear surface of the housing mold 100 through a slide member 500 which is moved forward and backward, and a slide hole provided in the slide member 500 and formed in the housing mold 100. The housing manufacturing apparatus for the camera module of the mobile phone, characterized in that the slide pin 510 is provided to push the housing and the runner located in the groove (120). The method of claim 4, wherein The slide member 500 located at the rear of the housing mold 100 corresponds to the housing mold 100 through a guide bar 540, and a spring 560 is provided on the guide bar 540. Camera module housing manufacturing apparatus of the mobile phone, characterized in that to return to the spring elastic force when the slide member 500 advances. The method of claim 1, A plurality of tension adjustment idle chain gears 360 are further provided on the inside of the screw forming die 300 to prevent the chain 350 from sagging so that the chain gears 330 have the same rotation ratio. Camera module housing manufacturing apparatus of the phone. The method of claim 1, The screw forming shaft 200, which is located at the rear of the guide hole 320 of the screw forming die 300, corresponds to the screw forming shaft 200 and is moved backward by a predetermined width by the reverse rotation when magnetic force is generated, and the screw forming shaft 200 is pulled out. Housing manufacturing apparatus for the camera module of the mobile phone, characterized in that the electromagnet 400 is provided to maintain a fixed state.