CN215472736U - Injection mold for molding four-color switch button assembly - Google Patents

Abstract

The utility model relates to an injection mold for molding a four-color switch button assembly, which comprises a first fixed mold, a first movable mold, a second fixed mold and a second movable mold, wherein the first movable mold and the second movable mold can be interchanged, the first fixed mold is provided with an inner shell cavity A and a light guide body convex column cavity arranged at intervals in the inner shell cavity A, the second fixed mold is provided with a button cavity, the first movable mold is provided with an inner shell cavity B and a light guide body cavity arranged at intervals in the inner shell cavity B, the inner shell cavity B and the inner shell cavity A are matched to form an inner shell molding cavity, the light guide body cavity and the light guide body convex column cavity are matched to form a light guide body molding cavity, after the positions of the first movable mold and the second movable mold which are injected with the inner shell and the light guide body are interchanged, the first movable die can be matched with the button cavity to form a button forming cavity, the convex column of the light guide body is inserted into the button cavity, and the second movable die is provided with an inner shell cavity B and a light guide body cavity which have the same structure as the first movable die. The button and the light guide body can be molded into a whole by only one set of injection mold.

Description

Injection mold for molding four-color switch button assembly

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold for forming a four-color switch button assembly.

Background

Four-color shift knob assembly, as shown in fig. 1 and fig. 2, including first color symbol piece 1, second color inner shell 2, third color light guide body 3 and fourth color button 4, symbol piece installing port 21 and light guide body installing port 22 have been seted up on inner shell 2, have radium carving symbol and lead light mouth 42 on the button 4, symbol piece 1 is installed in symbol piece installing port 21 department and is corresponded radium carving symbol setting, light guide body 3 is installed in light guide body installing port 22 department and upper portion has can wear to establish the projection 31 of leading light mouth 42 department. The traditional four-color shift knob assembly is formed by separating parts through a plurality of sets of dies for injection molding and then manually assembling, particularly, after the light guide body 3 and the button 4 are separated for injection molding through two sets of dies, when the assembly is carried out, the convex column 31 of the light guide body 3 needs to be embedded into the light guide port 42 of the button 4, the light guide body 3 is installed later, the problems of insecurity and poor waterproofness exist, and after the two sets of dies are needed to respectively inject the workpieces, the workpieces are manually assembled for forming, the process is complicated, and the production period is long.

Disclosure of Invention

The purpose of the utility model is as follows: in order to overcome the defects of the prior art, the utility model provides the injection mold for forming the four-color switch button assembly, the integral injection molding of the button and the light guide body in the four-color switch button assembly can be completed by only one set of injection mold, the light guide body and the button are firmly assembled, the sealing performance is good, the working procedures are few, and the production period is short.

The technical scheme of the utility model is as follows: an injection mold for molding a four-color switch button assembly comprises an inner shell injection mold capable of molding a second color inner shell and a button injection mold capable of molding a fourth color button, wherein the inner shell injection mold comprises a first fixed mold and a first movable mold which are oppositely arranged, the button injection mold comprises a second fixed mold and a second movable mold which are oppositely arranged, the first movable mold and the second movable mold can be interchanged in position, the first fixed mold is provided with an inner shell cavity A and a light guide body convex column cavity arranged in the inner shell cavity A at intervals, the second fixed mold is provided with a button cavity, the first movable mold is provided with an inner shell cavity B and a light guide body cavity arranged in the inner shell B at intervals, the inner shell cavity B on the first movable mold is correspondingly matched with the inner shell cavity A on the first fixed mold to form an inner shell light guide body molding cavity, the cavity on the first movable mold is correspondingly matched with the light guide body convex column cavity on the first fixed mold to form a light guide body molding cavity, after the position interchange of the first movable mould and the second movable mould of inner shell and light conductor has been moulded plastics, first movable mould can constitute the button shaping chamber with the button die cavity cooperation on the second cover half, and the button die cavity is inserted to the projection of light conductor, is equipped with inner shell die cavity B and light conductor die cavity the same with first movable mould structure on the second movable mould, be equipped with second and third colour sprue on the first cover half, second colour sprue switches on with inner shell shaping chamber, and third colour sprue switches on with light conductor shaping chamber, is equipped with fourth colour sprue on the second cover half, and fourth colour sprue switches on with button shaping chamber.

By adopting the technical scheme, the button and the light guide body in the four-color switch button assembly can be molded into a whole by only one set of injection mold, so that the light guide body and the button are firmly assembled, the sealing performance is good, the working procedures are few, and the production period is short.

The utility model further provides that: the first movable die is provided with an inner shell insert, the light guide body cavity is formed in the inner shell insert, the periphery of the inner shell insert is the inner side wall of the inner shell cavity B, the first fixed die is provided with a convex column insert, the convex column insert is formed in the light guide body convex column cavity, and the periphery of the convex column insert is the inner side wall of the inner shell cavity A.

Adopt above-mentioned further setting again, separate inner shell shaping chamber and light conductor shaping chamber through the cooperation of inner shell inserts and projection inserts, make it nonconducting when moulding plastics to processing, manufacturing are convenient.

The utility model further provides that: two sets of inner shell die cavities B and two sets of light conductor die cavities have on the first movable mould, have on the first cover half can with correspond two sets of inner shell die cavities A of inner shell die cavity B complex and can with correspond two sets of light conductor projection die cavities of light conductor die cavity complex, be equipped with a second colour runner and a third colour runner on the first cover half, the runner that advances of second colour runner and second colour runner intercommunication, the runner that advances of second colour runner communicates with two sets of inner shell die cavities A respectively, the runner that advances of third colour runner and third colour runner intercommunication, the runner that advances of third colour runner communicates with two sets of light conductor projection die cavities respectively, have two sets of button die cavities and a fourth colour runner on the second cover half, the runner that advances of fourth colour runner and fourth colour runner intercommunication, the runner that goes out of fourth colour runner communicates with two sets of button die cavities respectively.

Adopt above-mentioned still further setting, two sets of four-color shift knob assemblies can mould plastics simultaneously, and mould plastics through same runner of moulding plastics, and it is efficient to mould plastics, and processing is convenient.

Drawings

FIG. 1 is a block diagram of the background of the utility model;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a block diagram of an embodiment of the present invention;

FIG. 4 is a block diagram of a first stationary mold in an embodiment of the present invention;

fig. 5 is a partial enlarged view of a portion 1 in fig. 4;

FIG. 6 is a block diagram of a first movable mold with symbol pieces in an embodiment of the present invention;

FIG. 7 is an enlarged view of a portion a2 of FIG. 6, wherein c1 is the bottom surface of the inner shell forming cavity;

FIG. 8 is a block diagram of a second stationary mold in an embodiment of the present invention;

fig. 9 is a partial enlarged view of a portion b1 in fig. 8;

FIG. 10 is a structural diagram of a second movable mold with an inner shell and a light guide injection molded therein according to an embodiment of the present invention;

fig. 11 is a partially enlarged view of a portion b2 of fig. 10, wherein c2 is a bottom surface of the button forming cavity.

Inner shell injection mold 100, button injection mold 200, first cover half 110, first movable mould 120, second cover half 210, second movable mould 220, inner shell die cavity A310, light guide body projection die cavity 410, button die cavity 500, inner shell die cavity B320, light guide body die cavity 420, inner shell inserts 121, projection inserts 111, second colour runner 112, third colour runner 113.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 3-11, the injection mold for molding a four-color switch button assembly of the present invention includes an inner shell injection mold 100 capable of molding a second color inner shell and a button injection mold 200 capable of molding a fourth color button, the inner shell injection mold 100 includes a first fixed mold 110 and a first movable mold 120 that are oppositely disposed, the button injection mold 200 includes a second fixed mold 210 and a second movable mold 220 that are oppositely disposed, the first movable mold 120 and the second movable mold 220 are disposed on a turntable, the turntable is capable of rotating 180 degrees to realize the position exchange between the first movable mold 120 and the second movable mold 220, the first fixed mold 110 is provided with an inner shell cavity a 310 and a light guide boss cavity 410 that is disposed at an interval inside the inner shell cavity a 310, the second fixed mold 210 is provided with a button cavity 500, the first movable mold 120 is provided with an inner shell cavity B320 and a light guide cavity 420 that is disposed at an interval inside the inner shell B320, the inner shell cavity B320 on the first movable die 120 and the inner shell cavity A310 on the first fixed die 110 are correspondingly matched to form an inner shell molding cavity, the light guide body cavity 420 on the first movable die 120 and the light guide body convex column cavity 410 on the first fixed die 110 are correspondingly matched to form a light guide body molding cavity, after the positions of the first movable die 120 and the second movable die 220 which are injected with the inner shell and the light guide body are exchanged, the first movable die 120 can be matched with the button cavity 500 on the second fixed die 210 to form a button molding cavity, the convex column of the light guide body is inserted into the button molding cavity, the second movable die 220 is provided with the inner shell cavity B320 and the light guide body cavity 420 which have the same structure as the first movable die 120, the first fixed die 110 is provided with a second color injection gate and a third color injection gate, the second color injection gate is communicated with the inner shell molding cavity, the third color injection gate is communicated with the light guide body molding cavity, and the second fixed die 210 is provided with a fourth color injection gate, the fourth color injection gate is communicated with the button molding cavity; the first movable die 120 is provided with an inner shell insert 121, the inner shell insert 121 is detachable, the light guide body cavity 420 is formed in the inner shell insert 121, the periphery of the inner shell insert 121 is the inner side wall of the inner shell cavity B320, the first fixed die 110 is provided with a convex column insert 111, the convex column insert 111 is detachable, the light guide body convex column cavity 410 is formed in the convex column insert 111, and the periphery of the convex column insert 111 is the inner side wall of the inner shell cavity A310; two groups of inner shell cavities B320 and two groups of light guide body cavities 420 are arranged on the first movable die 120, two groups of inner shell cavities A310 matched with the corresponding inner shell cavities B320 and two groups of light guide body convex column cavities 410 matched with the corresponding light guide body cavities 420 are arranged on the first fixed die 110, a second color runner 112 and a third color runner 113 are arranged on the first fixed die 110, an inlet gate and a second color runner of the second color runner 112 are communicated, an outlet gate of the second color runner 112 is respectively communicated with the two groups of inner shell cavities A310, an inlet gate and a third color runner of the third color runner 113 are communicated, an outlet gate of the third color runner 113 is respectively communicated with the two groups of light guide body convex column cavities 410, two groups of button cavities 500 and a fourth color runner 211 are arranged on the second fixed die 210, an inlet gate and a fourth color runner 211 of the fourth color runner 211 are communicated, and an outlet gate of the fourth color runner 211 is respectively communicated with the two groups of button cavities 500.

When in use, firstly, the inner shell and the light guide body are injected by the inner shell injection mold 100, when in an initial state, the first fixed mold 110 corresponds to the first movable mold 120 and is arranged at the upper part and the lower part, the second fixed mold 210 corresponds to the second movable mold 220 and is arranged at the upper part and the lower part, the molded first color symbol sheet is placed on the inner shell insert 121 of the first movable mold 120, the fixed mold and the movable mold are closed, the inner shell cavity B320 on the first movable mold 120 is correspondingly matched with the inner shell cavity A310 on the first fixed mold 110 to form an inner shell molding cavity, the light guide body cavity 420 on the first movable mold 120 is correspondingly matched with the light guide body convex column cavity 410 on the first fixed mold 110 to form a light guide body molding cavity, the second color material is injected into the second color channel 112 through the second color injection gate, the second color material in the second color channel 112 respectively flows into the two groups of inner shell molding cavities through two channels, and the inner shell with a symbol sheet mounting hole and a light guide body mounting hole is molded, injecting a third pigment into the third color channel 113 through a third color injection gate, wherein the third pigment in the third color channel 113 flows into two sets of light guide forming cavities through two paths respectively, forming the light guide, so that the formed light guide is separated from the inner shell, and the convex column of the light guide exposes the inner shell, after the positions of the first movable mold 120 and the second movable mold 220 of the light guide and the inner shell are exchanged, the first movable mold 120 (equivalent to the original second movable mold 220) can be matched with the button cavity 500 on the second fixed mold 210 to form a button forming cavity, and the convex column of the light guide is inserted into the button cavity 500, injecting a fourth pigment into the fourth color channel 211 through a fourth color injection gate, the fourth pigment in the fourth color channel 211 flows into the two sets of button forming cavities through two paths respectively, the convex column of the light guide is covered by the fourth pigment, so that the formed button and the light guide are integrated through injection molding, and the inner shell cavity B320 on the second movable mold 220 (equivalent to the original first movable mold 120) and the inner shell on the first fixed mold 110 The A310 correspondingly cooperates with the first fixed mold 110 to form an inner shell molding cavity, and the light guide body cavity 420 correspondingly cooperates with the light guide body convex column cavity 410 on the first fixed mold 110 to form a light guide body molding cavity.

Only need one set of injection mold can mould plastics as an organic whole with the light conductor with button in the four-color shift knob assembly for light conductor and button assembly are firm, and sealing performance is good, and the process is few, can mould plastics simultaneously of two sets of four-color shift knob assemblies, and production cycle is short.

Claims (3)

1. The utility model provides an injection mold for shaping four-color shift knob assembly, includes the inner shell injection mold of the second colour inner shell of mouldable and the button injection mold of the fourth colour button of mouldable, inner shell injection mold include relative first cover half and the first movable mould that sets up, button injection mold include relative second cover half and the second movable mould that sets up which characterized in that: the first movable die and the second movable die can be interchanged, the first fixed die is provided with an inner shell cavity A and a light guide body convex column cavity arranged at intervals in the inner shell cavity A, the second fixed die is provided with a button cavity, the first movable die is provided with an inner shell cavity B and a light guide body cavity arranged at intervals in the inner shell cavity B, the inner shell cavity B on the first movable die and the inner shell cavity A on the first fixed die are correspondingly matched to form an inner shell molding cavity, the light guide body cavity on the first movable die and the light guide body convex column cavity on the first fixed die are correspondingly matched to form a light guide body molding cavity, after the positions of the first movable die and the second movable die which are injected with the light guide body and the light guide body are interchanged, the first movable die can be matched with the button cavity on the second fixed die to form a button molding cavity, the convex column of the light guide body is inserted into the button cavity, and the second movable die is provided with the inner shell cavity B and the light guide body cavity which have the same structure as the first movable die, and a second and a third color injection gate are arranged on the first fixed die, the second color injection gate is communicated with the inner shell molding cavity, the third color injection gate is communicated with the light guide body molding cavity, a fourth color injection gate is arranged on the second fixed die, and the fourth color injection gate is communicated with the button molding cavity.

2. The injection mold for molding the four-color switch button assembly according to claim 1, wherein: the first movable die is provided with an inner shell insert, the light guide body cavity is formed in the inner shell insert, the periphery of the inner shell insert is the inner side wall of the inner shell cavity B, the first fixed die is provided with a convex column insert, the convex column insert is formed in the light guide body convex column cavity, and the periphery of the convex column insert is the inner side wall of the inner shell cavity A.

3. An injection mold for molding a four-color switch button assembly according to claim 1 or 2, characterized in that: two sets of inner shell die cavities B and two sets of light conductor die cavities have on the first movable mould, have on the first cover half can with correspond two sets of inner shell die cavities A of inner shell die cavity B complex and can with correspond two sets of light conductor projection die cavities of light conductor die cavity complex, be equipped with a second colour runner and a third colour runner on the first cover half, the runner that advances of second colour runner and second colour runner intercommunication, the runner that advances of second colour runner communicates with two sets of inner shell die cavities A respectively, the runner that advances of third colour runner and third colour runner intercommunication, the runner that advances of third colour runner communicates with two sets of light conductor projection die cavities respectively, have two sets of button die cavities and a fourth colour runner on the second cover half, the runner that advances of fourth colour runner and fourth colour runner intercommunication, the runner that goes out of fourth colour runner communicates with two sets of button die cavities respectively.

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