CN217395603U

CN217395603U - Mobile phone shell mold convenient for demolding

Info

Publication number: CN217395603U
Application number: CN202123378110.6U
Authority: CN
Inventors: 翁映纯
Original assignee: Dongguan Dingxing Technology Co ltd
Current assignee: Dongguan Dingxing Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-09-09
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a mobile phone shell mould convenient for demoulding, which comprises a supporting plate, wherein a lower die holder is fixed on the supporting plate, a cavity is arranged at the middle part of the top end of the lower die holder, a groove is connected and arranged below the cavity, a demoulding mechanism used for assisting demoulding is arranged in the groove, a demoulding plate is fixed above the demoulding mechanism, the demoulding mechanism comprises electric telescopic rods symmetrically distributed at two sides of the bottom end of the groove, the demoulding plate is fixed on the telescopic end of the electric telescopic rods, a movable telescopic component is arranged between the two electric telescopic rods, the movable telescopic component comprises a top plate fixed at the middle part of the outer surface of the bottom end of the demoulding plate, a movable rod is vertically fixed below the top plate, a bottom plate fixed on the wall surface of the groove is movably sleeved outside the lower end of the movable rod, a spring sleeved outside the movable rod is fixedly connected between the top plate and the bottom plate, and the lower end of the movable rod passes through the bottom plate and extends downwards to the movable groove, the movable groove is connected and arranged below the groove, and an elastic cushion is fixedly arranged in the movable groove.

Description

Mobile phone shell mold convenient for demolding

Technical Field

The utility model relates to a cell phone case mould technical field especially relates to a cell phone case mould of convenient drawing of patterns.

Background

An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. The general mobile phone case is made of PC plastic as a main material, and when the mobile phone case is produced, plastic is injected into a mold cavity and is cooled and solidified to obtain a molded product.

Current cell phone case mould, the drawing of patterns mode is mostly after waiting for the mould cooling when using, again by artifical manual drawing of patterns, wastes time and energy, has reduced cell phone case production efficiency, has further reduced the practicality of mould. Therefore, it is necessary to design a mold which can eject the finished product automatically and has a stable ejection process.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a mobile phone shell mold convenient for demolding, which has the advantages that in the injection molding process, the movable telescopic component is arranged to buffer the demolding plate, so that the pressure on the demolding plate is reduced, the stability of the demolding plate is improved in the injection molding process, and the final injection molding effect is facilitated; when the drawing of patterns, start electric telescopic handle, electric telescopic handle drives the stripper plate and shifts up for finished product on the stripper plate can be ejecting, the convenient drawing of patterns, and the flexible subassembly that moves about this moment also can cushion the stripper plate, alleviates the pressure that its jacking stripper plate received, stability when improving the drawing of patterns.

In order to solve the technical problem, the utility model provides a following technical scheme: a mobile phone shell mold convenient for demolding comprises a supporting plate, wherein a lower die holder is fixed on the supporting plate, a cavity is formed in the middle of the top end of the lower die holder, a groove is formed below the cavity in a connected mode, a demolding mechanism used for assisting demolding is installed in the groove, a demolding plate is fixed above the demolding mechanism and located at the bottom end of the cavity, the demolding mechanism comprises electric telescopic rods symmetrically distributed on two sides of the wall surface of the bottom end of the groove, the lower end of each electric telescopic rod is fixed in the groove, and the demolding plate is fixed on the telescopic end; and the movable telescopic assembly is arranged between the two electric telescopic rods.

As a preferred technical scheme of the utility model, flexible subassembly of activity is including being fixed in the roof at stripper plate bottom surface middle part, the below vertical fixation of roof has the movable rod, the outside cover of lower extreme of movable rod is equipped with the bottom plate that is fixed in on the recess wall, the movable rod activity is located in the bottom plate, the outside spring of movable rod is located to the fixedly connected with cover between roof, the bottom plate, the lower extreme of movable rod passes bottom plate downwardly extending to the activity inslot, the below of seting up in the recess is connected to the activity inslot, the activity inslot is fixed and is equipped with the cushion.

As an optimal technical scheme of the utility model, the top clearance of die holder is provided with the upper die base, be fixed with the connecting plate on the top outer wall of upper die base, the connecting plate is connected with external drive mechanism.

As a preferred technical scheme of the utility model, the equal vertical fixation in top wall four corners department of die holder has the guide post, the guide way has been seted up with the corresponding department of guide post to the bottom wall of upper die base, shape, the big or small looks adaptation of guide way and guide post.

As a preferred technical scheme of the utility model, the bottom wall mid-mounting of upper die base has the core, the core is corresponding with the position of die cavity, and the big or small adaptation of shape.

As an optimized technical scheme of the utility model, the cushion is rubber pad or foam-rubber cushion.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. in the injection molding process, the upper die base is pressed on the lower die base, the core is covered on the stripper plate to bring certain pressure to the stripper plate, the stripper plate is stressed to press the top plate, the top plate drives the movable rod to move downwards and compress the spring, the movable rod moves downwards to be in contact with the elastic pad, the elastic pad rebounds to drive the movable rod to move upwards, and the spring rebounds to drive the top plate to move upwards, so that the buffer effect on the stripper plate is achieved, the pressure on the stripper plate is reduced, the stability of the stripper plate is improved in the injection molding process, and the final injection molding effect is facilitated; when the demoulding is carried out, the electric telescopic rod is started, the electric telescopic rod drives the demoulding plate to move upwards, so that a finished product on the demoulding plate can be ejected out, the demoulding is convenient to demould, and the demoulding plate stretches the spring, so that the movable telescopic assembly can also play a buffering effect, and the pressure borne by the lifting demoulding plate is reduced;

2. when using this cell phone case mould, start outside actuating mechanism, actuating mechanism drives the upper die base and moves down, and the upper die base is close to the die holder gradually, and the guide bar of fixing on the die holder inserts the guide way of seting up on the upper die base gradually in, the guide bar plays the guide effect to the guide way, can guide the upper die base and accurately align with the die holder, prevents that the die holder is accurate inadequately with the die holder in the compound die in-process, leads to injection moulding not perfect enough.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the demolding mechanism of the present invention;

FIG. 3 is an enlarged view of the point A of FIG. 1 according to the present invention;

FIG. 4 is a top view of the lower die holder according to the present invention;

wherein: 1. a support plate; 2. a lower die holder; 3. a connecting plate; 4. an upper die holder; 5. a guide post; 6. a guide groove; 7. a core; 8. a cavity; 9. a stripper plate; 10. a groove; 11. an electric telescopic rod; 12. a top plate; 13. a movable rod; 14. a spring; 15. a base plate; 16. a movable groove; 17. an elastic pad.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the embodiment, those skilled in the art can obtain other embodiments without making creative efforts, and all of them belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Examples

As shown in fig. 1, 2 and 3, the utility model provides a mobile phone shell mold convenient for demolding, which comprises a supporting plate 1, a lower die holder 2 is fixed on the supporting plate 1, a cavity 8 is arranged in the middle of the top end of the lower die holder 2, a groove 10 is connected below the cavity 8, a demolding mechanism for assisting demolding is installed in the groove 10, a demolding plate 9 is fixed above the demolding mechanism, the demolding plate 9 is positioned at the bottom end of the cavity 8, the demolding mechanism comprises electric telescopic rods 11 symmetrically distributed on two sides of the wall surface at the bottom end of the groove 10, the lower end of the electric telescopic rod 11 is fixed in the groove 10, the demolding plate 9 is fixed on the telescopic end, a movable telescopic component is arranged between the two electric telescopic rods 11, the movable telescopic component comprises a top plate 12 fixed in the middle of the outer surface at the bottom end of the demolding plate 9, a movable rod 13 is vertically fixed below the top plate 12, a bottom plate 15 fixed on the wall surface of the groove 10 is sleeved outside the lower end of the movable rod 13, the movable rod 13 is movably arranged in the bottom plate 15, a spring 14 sleeved outside the movable rod 13 is fixedly connected between the top plate 12 and the bottom plate 15, the lower end of the movable rod 13 penetrates through the bottom plate 15 and extends downwards to a movable groove 16, the movable groove 16 is connected and arranged below the groove 10, an elastic cushion 17 is fixedly arranged in the movable groove 16, and the elastic cushion 17 is a rubber cushion or a spongy cushion;

when the mobile phone shell mold is used, an external driving mechanism is started, the driving mechanism drives an upper mold base 4 to move downwards, the upper mold base 4 gradually approaches to a lower mold base 2, a guide rod fixed on the lower mold base 2 is gradually inserted into a guide groove 6 formed in the upper mold base 4, a mold core 7 gradually enters a mold cavity 8, injection molding can be started after the mold core 7 completely enters the mold cavity 8, demolding can be started after injection molding and cooling fixing, the driving mechanism is started again to drive the upper mold base 4 to move upwards, an electric telescopic rod 11 is started, the telescopic end of the electric telescopic rod 11 drives a demolding plate 9 to move upwards, so that a finished product on the demolding plate 9 can be ejected out, demolding is facilitated, at the moment, the demolding plate 9 upwards stretches a spring 14, the spring 14 plays a buffering role on the demolding plate 9, and the pressure borne by the demolding plate 9 is relieved; in the process of die assembly and injection molding, the upper die base 4 is pressed on the lower die base 2, the mold core 7 covers the stripper plate 9 and brings certain pressure to the stripper plate 9, the stripper plate 9 presses the top plate 12 under the pressure through the arranged movable telescopic component, the top plate 12 drives the movable rod 13 to move downwards under the force of the pressure and compresses the spring 14, the spring 14 generates deformation and has elastic potential energy which is recovered to the original form, the movable rod 13 moves downwards to be in contact with the elastic pad 17, the elastic pad 17 rebounds to drive the movable rod 13 to move upwards, so that the movable rod 13 drives the top plate 12 to move upwards, and the spring 14 rebounds to drive the top plate 12 to move upwards, namely, the stripper plate 9 is buffered, the pressure on the stripper plate 9 is reduced, the stability of the stripper plate 9 is improved in the injection molding process, and the final injection molding effect is facilitated.

As shown in fig. 1 and 4, an upper die holder 4 is arranged in a gap above a lower die holder 2, a connecting plate 3 is fixed on the outer wall of the top end of the upper die holder 4, the connecting plate 3 is connected with an external driving mechanism, guide posts 5 are vertically fixed at four corners of the wall surface of the top end of the lower die holder 2, guide grooves 6 are formed in positions, corresponding to the guide posts 5, of the wall surface of the bottom end of the upper die holder 4, the guide grooves 6 are matched with the guide posts 5 in shape and size, a core 7 is installed in the middle of the wall surface of the bottom end of the upper die holder 4, the core 7 corresponds to a cavity 8 in position and is matched in shape and size;

when using this cell phone case mould, start outside actuating mechanism, actuating mechanism drives upper die base 4 and moves down, upper die base 4 is close to lower die base 2 gradually, the guide bar of fixing gradually inserts the guide way 6 of seting up on upper die base 4 on the lower die base 2, core 7 then gets into in the die cavity 8 gradually, the guide bar plays the guide effect to guide way 6, can guide upper die

base

4 and 2 accurate alignments of lower die base, it is accurate inadequately to prevent that upper die base 4 and lower die base 2 are accurate in the compound die in-process, lead to injection moulding perfect inadequately.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mobile phone case mould of convenient drawing of patterns, includes backup pad (1), be fixed with die holder (2) on backup pad (1), die cavity (8), its characterized in that have been seted up at the top middle part of die holder (2): the below of die cavity (8) is connected and is equipped with recess (10), install the demoulding mechanism who is used for supplementary drawing of patterns in recess (10), demoulding mechanism's top is fixed with stripper plate (9), stripper plate (9) are located the bottom of die cavity (8), demoulding mechanism includes

The electric telescopic rods (11) are symmetrically distributed on two sides of the wall surface at the bottom end of the groove (10), the lower ends of the electric telescopic rods (11) are fixed in the groove (10), and the telescopic ends are fixed with stripper plates (9);

and the movable telescopic component is arranged between the two electric telescopic rods (11).

2. The mobile phone case mold facilitating demolding of claim 1, wherein: activity telescoping assembly is including being fixed in roof (12) at stripper plate (9) bottom surface middle part, the below vertical fixation of roof (12) has movable rod (13), the outside cover of lower extreme of movable rod (13) is equipped with bottom plate (15) that are fixed in on recess (10) wall, bottom plate (15) are located in movable rod (13) activity, fixedly connected with cover locates outside spring (14) of movable rod (13) between roof (12), bottom plate (15), the lower extreme of movable rod (13) passes in bottom plate (15) downwardly extending to activity groove (16), the below of seting up in recess (10) is connected in activity groove (16), activity groove (16) internal fixation is equipped with cushion (17).

3. The mobile phone case mold facilitating demolding of claim 1, wherein: an upper die base (4) is arranged in a gap above the lower die base (2), a connecting plate (3) is fixed on the outer wall of the top end of the upper die base (4), and the connecting plate (3) is connected with an external driving mechanism.

4. The mobile phone case mold facilitating demolding of claim 3, wherein: four corners of the top wall of the lower die holder (2) are vertically fixed with guide posts (5), guide grooves (6) are formed in the positions, corresponding to the guide posts (5), of the bottom wall of the upper die holder (4), and the guide grooves (6) are matched with the guide posts (5) in shape and size.

5. The mobile phone case mold facilitating demolding of claim 3, wherein: the middle part of the bottom end wall surface of the upper die base (4) is provided with a core (7), and the core (7) corresponds to the cavity (8) in position and is adaptive to the shape and size.

6. The mobile phone shell mold convenient for demolding as claimed in claim 2, wherein: the elastic cushion (17) is a rubber cushion or a spongy cushion.