Double-color mold for forming light guide body

Abstract

The utility model discloses a two-color mould for forming a light guide body, which comprises a first-color mould and a second-color mould, the first-color mould comprises a first-color upper fixing plate, a first-color upper template, a first-color lower template, a first-color lower fixing plate, a first-color upper mould core and a first-color lower mould core; the second-color mold comprises a second-color upper fixing plate, a second-color upper mold plate, a second-color lower mold plate, a second-color lower fixing plate, a second-color upper mold core and a second-color lower mold core, the first-color lower mold core and the second-color lower mold core are the same in structure, and a first-color forming groove is formed in the first-color upper mold core; the appearance of the first-color forming groove is formed by two opposite straight edges and arc edges in a surrounding mode, a first-color annular groove is formed in the bottom face of the first-color forming groove, and a first-color forming annular block is arranged in the first-color annular groove. The light guide body mould is reasonable in structural design and can be used for forming light guide bodies with different colors.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile die, more specifically, relate to a double -color mould for forming light guide body. BACKGROUND

[0002] In the field of automotive electronics, when designing the light emitting electronics in the car, a light guide body is often configured. The light guide body is a material product that can conduct light, usually supported by optical-grade materials, which have very high refractive index and light transmission performance. Most of the light guides used in automotive electronics are currently made of single high-transparency plastic injection molding. SUMMARY

[0003] The utility model overcomes the insufficient prior art, its structure design is reasonable, can be used for forming the light guide body of different colors.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A double -color mould for forming light guide body, including first color mould and second color mould, first color mould includes first color upper fixed plate, first color upper mould plate, first color lower mould plate, first color lower fixed plate, first color upper mould and first color lower mould, second color mould includes second color upper fixed plate, second color upper mould plate, second color lower mould plate, second color lower fixed plate, second color upper mould and second color lower mould, first color lower mould and second color lower mould structure are same, first color upper mould is provided with first color forming groove, the appearance of first color forming groove is surrounded by two opposite straight edges and arc edges, the bottom surface of first color forming groove is provided with first color annular groove, first color annular groove is provided with first color forming ring block, first color forming ring block and first color annular groove have even first color annular gap, second color upper mould is provided with second color annular groove, second color annular groove is provided with second color forming ring block, second color forming ring block and second color annular groove have even second color annular gap, the lower portion of first color lower mould is provided with forming insert, and the forming insert is provided with forming end face, the forming insert is provided with through groove, and the through groove is provided with forming top block.

[0006] Preferably, the forming insert is provided with a forming groove, and the forming groove is provided with a matching forming support.

[0007] Preferably, the inner side wall of the forming insert is provided with a side forming groove, the forming top block is provided with a top block groove, and the top block groove is provided with an inclined top.

[0008] Preferably, the end face of the forming top block is provided with a first color flow channel groove.

[0009] Preferably, the second color forming ring block is provided with a second color flow channel groove.

[0010] Preferably, the first color lower die core is provided with row blocks on both sides of the forming insert.

[0011] The utility model discloses the beneficial effect:

[0012] The utility model discloses the beneficial effect: BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structure schematic drawing of specific embodiment of the utility model;

[0014] Figure 2 It is the structure schematic drawing of reflecting first color upper die core of specific embodiment of the utility model;

[0015] Figure 3 It is the structure schematic drawing of reflecting second color upper die core of specific embodiment of the utility model; Figure 2 The enlarged view of B in place;

[0016] Figure 4 It is the structure schematic drawing of reflecting first color lower die core of specific embodiment of the utility model;

[0017] Figure 5 It is the structure schematic drawing of reflecting second color lower die core of specific embodiment of the utility model; Figure 4 The enlarged view of B in place;

[0018] Figure 6 It is the structure schematic drawing of reflecting first color lower die core of specific embodiment of the utility model;

[0019] Figure 7 It is the structure schematic drawing of reflecting second color lower die core of specific embodiment of the utility model; Figure 6 The enlarged view of C in place;

[0020] Figure 8 It is the structure schematic drawing of reflecting forming insert of specific embodiment of the utility model;

[0021] Figure 9 It is the structure schematic drawing of reflecting light guide body of specific embodiment of the utility model.

[0022] In the figure: a, light guide; a1, arc-shaped leg; a2, side leg; a3, color ring; 100, first color mold; 101, first color upper fixed plate; 102, first color upper mold plate; 103, first color lower mold plate; 104, first color lower fixed plate; 105, first color upper mold core; 106, first color lower mold core; 200, second color mold; 201, second color upper fixed plate; 202, second color upper mold plate; 203, second color lower mold plate; 204, second color lower fixed plate; 205, second color upper mold core; 1, first color forming groove; 11, straight edge; 12, arc-shaped edge; 13, first color annular groove; 14, first color forming ring block; 15, first color annular gap; 2, second color annular groove; 21, second color forming ring block; 22, second color annular gap; 3, forming insert; 31, forming end face; 32, through groove; 33, forming top block; 34, forming recess; 35, side forming groove; 36, top block groove; 4, first color runner groove; 5, second color runner groove; 6, row position block. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] As Figures 1-9As shown, a kind of two-color mold for forming light guide body, including first color mold 100 and second color mold 200, first color mold 100 includes first color upper fixed plate 101, first color upper mold plate 102, first color lower mold plate 103, first color lower fixed plate 104, first color upper mold core 105 and first color lower mold core 106, second color mold 200 includes second color upper fixed plate 201, second color upper mold plate 202, second color lower mold plate 203, second color lower fixed plate 204, second color upper mold core 205 and second color lower mold core, first color lower mold core 106 and second color lower mold core structure are same, first color upper mold core 105 is provided with first color forming groove 1, the outline of first color forming groove 1 is surrounded by two opposite straight edges 11 and arc edge 12, the bottom surface of first color forming groove 1 is provided with first color annular groove 13, first color annular groove 13 is provided with first color forming ring block 14, and first color forming ring block 14 is provided with first color annular gap 15 between first color annular groove 13, second color upper mold core 205 is provided with second color annular groove 2, second color annular groove 2 is provided with second color forming ring block 21, and second color forming ring block 21 is provided with second color annular gap 22 between second color annular groove 2, the lower side of first color lower mold core 106 is provided with forming insert 3, and forming insert 3 is provided with forming end surface 31, forming insert 3 is provided with through groove 32 in it, and through groove 32 is provided with forming top block 33 in it;Forming insert 3 is provided with forming recess 34 in it, and forming recess 34 is provided with matched forming support in it;The inner side wall of forming insert 3 is provided with side forming groove 35, forming top block 33 is provided with top block groove 36 in it, and top block groove 36 is provided with inclined top in it;The end surface of forming top block 33 is provided with first color runner groove 4;Second color forming ring block 21 is provided with second color runner groove 5;First color lower mold core 106 is provided with row position block 6 on both sides of forming insert 3.

[0025] By adopting the above technical scheme, in the utility model, the main purpose is to form light guide body a and color ring a3 on the upper end surface of light guide body a, first, the first color mold 100 is used to form the main body of light guide body a, then the second color mold 200 is used to form color ring a3 on the main body of light guide body a, color ring a3 and the main body of light guide body a have different forming materials, so that the purpose of two colors is achieved.The forming recess 34 on the forming insert 3 can be used to form the arc-shaped leg a1 part of the light guide body a, and the side forming groove 35 can be used to form the side leg a2 part.The first color upper mold core 105 and the first color lower mold core 106 cooperate to form the main body part of the light guide body a, and the second color upper mold core 205 and the second color lower mold core cooperate to form the color ring a3 on the main body part of the light guide body a.In this way, the formation of the light guide body a of the utility model can be realized.

[0026] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A two-color mold for molding a light guide, comprising a first color mold (100) and a second color mold (200), the first color mold (100) comprising a first color upper fixed plate (101), a first color upper mold plate (102), a first color lower mold plate (103), a first color lower fixed plate (104), a first color upper mold core (105), and a first color lower mold core (106), the second color mold (200) comprising a second color upper fixed plate (201), a second color upper mold plate (202), a second color lower mold plate (203), a second color lower fixed plate (204), a second color upper mold core (205), and a second color lower mold core, the first color lower mold core (106) and the second color lower mold core being identical in structure, characterized in that, The first color upper die core (105) is provided with a first color forming groove (1), the outer shape of the first color forming groove (1) is surrounded by two opposite straight edges (11) and arc edges (12), a first color annular groove (13) is formed in the bottom surface of the first color forming groove (1), a first color forming ring block (14) is arranged in the first color annular groove (13), and a uniform first color annular gap (15) is formed between the first color forming ring block (14) and the first color annular groove (13); the second color upper die core (205) is provided with a second color annular groove (2), the second color annular groove (2) is provided with a second color forming ring block (21), and a uniform second color annular gap (22) is formed between the second color forming ring block (21) and the second color annular groove (2); the first color lower die core (106) is provided below with a forming insert (3), the forming insert (3) is provided with a forming end face (31), the forming insert (3) is provided with a through groove (32) therein, and the through groove (32) is provided with a forming top block (33).

2. The two-color mold for molding a light guide according to claim 1, wherein The forming insert (3) is provided with a forming groove (34) therein, and the forming groove (34) is provided with a matched forming support top.

3. The two-color mold for molding a light guide according to claim 1 or 2, wherein The inner side wall of the forming insert (3) is provided with a side forming groove (35), the forming top block (33) is provided with a top block groove (36) therein, and the top block groove (36) is provided with an inclined top.

4. The bi-color mold for molding a light guide according to claim 3, wherein The end face of the forming top block (33) is provided with a first color runner groove (4).

5. The bi-color mold for molding a light guide according to claim 4, wherein The second color forming ring block (21) is provided with a second color runner groove (5).

6. The two-color mold for molding a light guide according to claim 5, wherein The first color lower die core (106) is provided with a row of blocks (6) on both sides of the forming insert (3).

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