Through type three-color highlight automobile tail lamp injection mold

Abstract

The utility model belongs to the technical field of molds, and relates to a through type three-color highlight automobile tail lamp injection mold. The injection mold comprises a lower injection mold and an upper injection mold, and an injection main plate is arranged above the upper injection mold. In the injection molding process, a transparent molten material is injected into a cavity formed by the first lower molding panel and the first upper molding panel through the injection molding main plate and the first injection molding flow dividing piece, and after single-color injection molding is completed, a transparent plastic part is ejected out through the multi-directional ejection demolding piece; a transparent plastic part is placed between a second forming lower insert plate and a second forming upper insert plate, then mold closing is conducted, gun gray and black molten materials are sequentially injected into a cavity formed by the second forming lower insert plate and the second forming upper insert plate through a second injection molding flow dividing part, and three-color highlight injection molding of the automobile tail lamp plastic part is achieved. And on one hand, the production cost is reduced, on the other hand, the occupied area is small, and the space utilization rate is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mould technical field relates to a kind of through three-color high light automobile tail lamp injection mould. BACKGROUND

[0002] The automobile tail lamp outside needs to be equipped with a plastic part, which is mainly used to protect the lamp, and the plastic part has low cost and can save cost in maintenance and replacement. With the continuous development of automobile industry, the automobile tail lamp plastic shell part gradually changes from single color to multi-color, which improves the aesthetic appearance on the one hand, and provides personalized customization and improves the profit of original equipment parts on the other hand. At present, the high light automobile tail lamp injection mold is difficult to form a three-color high light automobile tail lamp plastic part by one mold during injection molding, and multiple molds are needed, which has high production cost and large land area required by the mold. Therefore, it is urgent to design a through three-color high light automobile tail lamp injection mold which can overcome the above defects.

[0003] In order to overcome the defects of the prior art, people have continuously explored and proposed various solutions, such as a kind of automobile tail lamp injection mold [application number: 201910359193.2] disclosed by Chinese patent, which includes a fixed mold frame and a movable mold frame with a regular hexagonal cross section. The upper surface of the fixed mold frame is sequentially provided with a semi-finished product side small insert, a finished product side small insert and a taking-out groove, and the cross sections of the semi-finished product side small insert, the finished product side small insert and the taking-out groove are rotationally symmetrical with a rotation angle of 60 degrees. However, this scheme is still difficult to form a three-color high light automobile tail lamp plastic part by one mold during injection molding, and multiple molds are still needed, which has the defects of high production cost and large land area required by the mold. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at the above problems, and provides a kind of through three-color high light automobile tail lamp injection mold.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of through three-color high light automobile tail lamp injection mold, including injection lower die and injection upper die, the injection upper die upper side is equipped with injection main board, the injection main board is equipped with first injection shunt and second injection shunt between injection upper die, the injection lower die and injection upper die are equipped with first forming lower panel and first forming upper panel, the first injection shunt is located first forming upper panel directly above, the injection lower die and injection upper die are also equipped with second forming lower panel and second forming upper panel, the second injection shunt is located second forming upper panel directly above, the injection lower die lower side is equipped with multidirectional ejection demoulding piece, the first forming lower panel and second forming lower panel are respectively corresponding with the position of multidirectional ejection demoulding piece.

[0007] In the through-type three-color high-light automobile tail lamp injection mold, the first forming lower panel and the first forming upper panel form an automobile tail lamp transparent part forming chamber, the first injection flow divider is communicated with the automobile tail lamp transparent part forming chamber, the second forming lower panel and the second forming upper panel form an automobile tail lamp two-color part forming chamber, and the second injection flow divider is communicated with the automobile tail lamp two-color part forming chamber.

[0008] In the through-type three-color high-light automobile tail lamp injection mold, the first injection flow divider comprises a transparent material injection flow divider plate arranged between the injection main plate and the injection upper mold, and the bottom of the transparent material injection flow divider plate is provided with a plurality of transparent material injection pipes.

[0009] In the through-type three-color high-light automobile tail lamp injection mold, the first injection flow divider comprises a transparent material injection flow divider plate arranged between the injection main plate and the injection upper mold, and the bottom of the transparent material injection flow divider plate is provided with a plurality of transparent material injection pipes.

[0010] In the through-type three-color high-light automobile tail lamp injection mold, the second injection flow divider comprises a two-color material injection flow divider plate arranged between the injection main plate and the injection upper mold, and the bottom of the two-color material injection flow divider plate is provided with a plurality of gun-gray material injection pipes and black material injection pipes.

[0011] In the through-type three-color high-light automobile tail lamp injection mold, the second injection flow divider comprises a two-color material injection flow divider plate arranged between the injection main plate and the injection upper mold, and the bottom of the two-color material injection flow divider plate is provided with a plurality of gun-gray material injection pipes and black material injection pipes.

[0012] In the through-type three-color high-light automobile tail lamp injection mold, the first forming upper panel is provided with a first cooling pipeline, and the second forming upper panel is provided with a second cooling pipeline.

[0013] In the through-type three-color high-light automobile tail lamp injection mold, the multi-directional ejection demolding element comprises a plurality of straight ejector rods and front and rear end inclined ejector rods arranged below the injection lower mold, and the straight ejector rods and the front and rear end inclined ejector rods are arranged in a staggered manner.

[0014] In the through-type three-color high-light automobile tail lamp injection mold, the injection lower mold is provided with an ejection fixing plate below, the straight ejector rods are fixedly connected with the ejection fixing plate, the ejection fixing plate is provided with an inclined ejector rod connecting sliding seat, and the bottom of the front and rear end inclined ejector rods is in sliding fit with the inclined ejector rod connecting sliding seat.

[0015] In the through-type three-color high-light automobile tail lamp injection mold, the ejection fixing plate is provided with a fixed base plate below, the fixed base plate is provided with an anti-deviation inch iron, and the ejection fixing plate is in sliding fit with the anti-deviation inch iron.

[0016] Compared with the prior art, the through-type three-color high-light automobile tail lamp injection mold has the following advantages:

[0017] 1. In the injection molding process of this utility model, the lower injection mold and the upper injection mold are brought close together, so that the first molding lower panel and the first molding upper panel are in contact. The transparent molten material is first injected into the cavity formed by the first molding lower panel and the first molding upper panel through the injection main board and the first injection diverter. After single-color injection molding is completed, the transparent plastic part is ejected by the multi-directional ejector. The transparent plastic part is placed between the second molding lower panel and the second molding upper panel. Then the mold is closed, and gunmetal gray and black molten materials are injected into the cavity formed by the second molding lower panel and the second molding upper panel in sequence through the second injection diverter, so as to realize the three-color high-gloss injection molding of the car taillight plastic part. After completion, the three-color high-gloss car taillight plastic part is ejected and demolded by the multi-directional ejector. This mold adopts three-color molding in one mold, eliminating the need to use multiple molds. On the one hand, it reduces production costs, and on the other hand, it occupies a small area and has a high space utilization rate.

[0018] 2. In this utility model, the ejector fixing plate is used to connect and fix the straight ejector rod, and the inclined ejector rod connecting slide is used to connect and fix the front and rear inclined ejector rods, so as to facilitate the inclined ejector rods at the front and rear ends to demold.

[0019] Other advantages, objectives and features of this invention will be partly apparent from the following description, and partly understood by those skilled in the art through study and practice of this invention. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model.

[0021] Figure 2 This is a partial structural schematic diagram of the present invention.

[0022] Figure 3 This is a partial structural schematic diagram of another aspect of this utility model.

[0023] Figure 4 This is a partial structural schematic diagram of another aspect of this utility model.

[0024] In the diagram: 1. Injection lower mold; 2. Injection upper mold; 3. Injection main board; 4. First injection manifold; 5. Second injection manifold; 6. First molding lower insert; 7. First molding upper insert; 8. Second molding lower insert; 9. Second molding upper insert; 10. Multi-directional ejector demolding component; 11. Transparent material injection manifold; 12. Transparent material injection tube; 13. First injection main tube; 14. Two-color material injection manifold; 15. Gunmetal gray material injection tube; 16. Black material injection tube; 17. Second injection main tube; 18. First cooling pipe; 19. Second cooling pipe; 20. Straight ejector rod; 21. Front and rear end angled ejector rods; 22. Ejection fixing plate; 23. Angled ejector rod connecting slide; 24. Fixing base plate; 25. Anti-deviation iron. Detailed Implementation

[0025] The present invention will be further described below with reference to the accompanying drawings.

[0026] like Figures 1-4 As shown, a through-type three-color high-gloss automotive taillight injection mold includes a lower injection mold 1 and an upper injection mold 2. An injection main board 3 is provided above the upper injection mold 2. A first injection diverter 4 and a second injection diverter 5 are provided between the injection main board 3 and the upper injection mold 2. A first molding lower insert 6 and a first molding upper insert 7 are provided between the lower injection mold 1 and the upper injection mold 2. The first injection diverter 4 is located directly above the first molding upper insert 7. A second molding lower insert 8 and a second molding upper insert 9 are also provided between the lower injection mold 1 and the upper injection mold 2. The second injection diverter 5 is located directly above the second molding upper insert 9. A multi-directional ejector demolding component 10 is provided below the lower injection mold 1. The positions of the first molding lower insert 6 and the second molding lower insert 8 correspond to the positions of the multi-directional ejector demolding component 10.

[0027] In this embodiment, during the injection molding process, the lower injection mold 1 and the upper injection mold 2 are brought close together, so that the first molding lower panel 6 and the first molding upper panel 7 are in contact. The transparent molten material is first injected into the cavity formed by the first molding lower panel 6 and the first molding upper panel 7 through the injection main board 3 and the first injection diverter 4. After completing the single-color injection molding, the transparent plastic part is ejected by the multi-directional ejector demolding member 10. The transparent plastic part is placed between the second molding lower panel 8 and the second molding upper panel 9, and then the mold is closed. The gunmetal gray and black molten materials are injected sequentially into the cavity formed by the second molding lower panel 8 and the second molding upper panel 9 through the second injection diverter 5 to achieve three-color high-gloss injection molding of the automotive taillight plastic part. After completion, the three-color high-gloss automotive taillight plastic part is ejected and demolded by the multi-directional ejector demolding member 10. This mold adopts one mold for three-color molding, eliminating the need for multiple molds. On the one hand, it reduces production costs, and on the other hand, it occupies a small area and has a high space utilization rate.

[0028] Combination Figures 1-4 As shown, a taillight transparent part molding chamber is formed between the first molded lower panel 6 and the first molded upper panel 7. The first injection molding splitter 4 is connected to the taillight transparent part molding chamber. A taillight dual-color part molding chamber is formed between the second molded lower panel 8 and the second molded upper panel 9. The second injection molding splitter 5 is connected to the taillight dual-color part molding chamber.

[0029] Specifically, during the injection molding process, a transparent part molding chamber is formed between the first lower molding plate 6 and the first upper molding plate 7 to mold a transparent colored automobile taillight plastic part, and a two-color part molding chamber is formed between the second lower molding plate 8 and the second upper molding plate 9 to place the molded transparent colored automobile taillight plastic part and continue to inject gun-gray and black molten materials to realize three-color high-light injection molding of the automobile taillight plastic part.

[0030] The first injection distribution member 4 comprises a transparent material injection distribution plate 11 arranged between the injection main plate 3 and the injection upper mold 2, and the bottom of the transparent material injection distribution plate 11 is provided with a plurality of transparent material injection pipes 12. The injection main plate 3 is provided with a first injection main pipe 13 connected with the transparent material injection distribution plate 11.

[0031] In this embodiment, during the initial injection molding, the transparent colored molten material is injected into the transparent part molding chamber through the first injection main pipe 13, the transparent material injection distribution plate 11 and the transparent material injection pipe 12.

[0032] The second injection distribution member 5 comprises a two-color material injection distribution plate 14 arranged between the injection main plate 3 and the injection upper mold 2, and the bottom of the two-color material injection distribution plate 14 is provided with a plurality of gun-gray material injection pipes 15 and black material injection pipes 16. The injection main plate 3 is provided with a second injection main pipe 17 connected with the two-color material injection distribution plate 14.

[0033] In this embodiment, during the secondary injection molding, the gun-gray molten material and the black molten material are injected into the two-color part molding chamber through the second injection main pipe 17, the two-color material injection distribution plate 14, the gun-gray material injection pipe 15 and the black material injection pipe 16 to realize multi-color injection molding.

[0034] The first upper molding plate 7 is provided with a first cooling pipe 18, and the second upper molding plate 9 is provided with a second cooling pipe 19.

[0035] In this embodiment, after the injection molding is completed, cooling water is injected into the first cooling pipe 18 and the second cooling pipe 19 to complete the cooling of the plastic part, and the cooling area is large and the cooling effect is good.

[0036] In combination with Figure 4 As shown in the figure, the multi-directional ejection demolding member 10 comprises a plurality of straight ejector rods 20 and front and rear end inclined ejector rods 21 arranged below the injection lower mold 1, and the straight ejector rods 20 and the front and rear end inclined ejector rods 21 are arranged alternately.

[0037] In this embodiment, after injection molding is completed, the straight ejector rod 20 and the front and rear end inclined ejector rod 21 are provided with ejection blocks, and the straight ejector rod 20 and the front and rear end inclined ejector rod 21 cooperate with the ejection blocks to eject the molded plastic parts in multiple directions and multiple angles, and the ejection area is large and the ejection effect is good.

[0038] In combination Figures 1-4 As shown in the figure, the ejection fixed plate 22 is arranged below the injection mold lower mold 1, the straight ejector rod 20 is fixedly connected with the ejection fixed plate 22, the inclined ejector rod connecting sliding seat 23 is arranged on the ejection fixed plate 22, and the bottom of the front and rear end inclined ejector rod 21 is in sliding cooperation with the inclined ejector rod connecting sliding seat 23.

[0039] In this embodiment, the ejection fixed plate 22 is used to connect and fix the straight ejector rod 20, and the inclined ejector rod connecting sliding seat 23 is used to connect and fix the front and rear end inclined ejector rod 21, so that the front and rear end inclined ejector rod 21 can be conveniently used for inclined ejection.

[0040] In combination Figures 1-4 As shown in the figure, the fixed base plate 24 is arranged below the ejection fixed plate 22, the anti-deviation inch iron 25 is arranged on the fixed base plate 24, and the ejection fixed plate 22 is in sliding cooperation with the anti-deviation inch iron 25.

[0041] In this embodiment, during the movement of the ejection fixed plate 22, the anti-deviation inch iron 25 can limit the ejection fixed plate 22, so as to ensure the accuracy of ejection.

[0042] The working principle of the utility model is:

[0043] In the injection molding process, the injection mold lower mold 1 and the injection mold upper mold 2 are moved close to each other, the first molding lower panel 6 and the first molding upper panel 7 are attached, the transparent color molten material is injected into the transparent part forming chamber of the automobile tail lamp through the first injection main pipe 13, the transparent material injection distribution plate 11 and the transparent material injection pipe 12, after single-color injection molding is completed, the transparent color plastic part is ejected through the straight ejector rod 20 and the front and rear end inclined ejector rod 21, the transparent color plastic part is placed between the second molding lower panel 8 and the second molding upper panel 9, and then the mold is closed, the gun-gray color molten material and the black color molten material are injected into the automobile tail lamp double-color part forming chamber through the second injection main pipe 17, the double-color material injection distribution plate 14, the gun-gray color material injection pipe 15 and the black color material injection pipe 16, and multi-color injection molding is carried out, three-color high-light injection molding of the automobile tail lamp plastic part is realized, after completion, the three-color high-light automobile tail lamp plastic part is ejected and demolded through the straight ejector rod 20 and the front and rear end inclined ejector rod 21, the mold uses one mold for three-color molding, and multiple molds are not needed, on the one hand, the production cost is reduced, and on the other hand, the occupied area is small and the space utilization rate is high,

[0044] In the injection molding process, the first forming lower panel 6 and the first forming upper panel 7 form a transparent part of the automobile taillight forming chamber to form a transparent automobile taillight plastic part, and the second forming lower panel 8 and the second forming upper panel 9 form a two-color part of the automobile taillight forming chamber to place the formed transparent automobile taillight plastic part and continue to inject gun ash and black molten material to realize three-color high light injection molding of the automobile taillight plastic part,

[0045] After the injection molding is completed, the cooling water is injected into the first cooling pipeline 18 and the second cooling pipeline 19 to complete the cooling of the plastic part, the cooling area is large, and the cooling effect is good,

[0046] After the injection molding is completed, the straight ejector rod 20 and the front and rear end inclined ejector rod 21 are provided with an ejection block, and the straight ejector rod 20 and the front and rear end inclined ejector rod 21 cooperate with the ejection block to eject the formed plastic part in multiple directions and multiple angles, the ejection area is large, and the ejection effect is good,

[0047] The ejection fixed plate 22 is used to connect and fix the straight ejector rod 20, and the inclined ejector rod connecting slide 23 is used to connect and fix the front and rear end inclined ejector rod 21, so that the front and rear end inclined ejector rod 21 can be inclined and demolded, and the anti-deviation spacer 25 can limit the ejection fixed plate 22 during movement to ensure the accuracy of ejection.

[0048] The specific embodiments described herein are merely illustrative of the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or use similar ways to replace, but will not deviate from the spirit of the utility model.

[0049] Although the terms injection lower mold 1, injection upper mold 2, injection main plate 3, first injection shunt 4, second injection shunt 5, first forming lower panel 6, first forming upper panel 7, second forming lower panel 8, second forming upper panel 9, multi-directional ejection demolding element 10, transparent material injection shunt plate 11, transparent material injection pipe 12, first injection main pipe 13, two-color material injection shunt plate 14, gun ash material injection pipe 15, black material injection pipe 16, second injection main pipe 17, first cooling pipeline 18, second cooling pipeline 19, straight ejector rod 20, front and rear end inclined ejector rod 21, ejection fixed plate 22, inclined ejector rod connecting slide 23, fixed base plate 24, anti-deviation spacer 25, etc. are used more in this article, but the possibility of using other terms is not excluded. The use of these terms is only to facilitate the description and explanation of the essence of the utility model, and any additional limitation is contrary to the spirit of the utility model.

Claims

1. A through-type three-color high-gloss automotive taillight injection mold, comprising a lower injection mold (1) and an upper injection mold (2), characterized in that, An injection main board (3) is provided above the upper injection mold (2). A first injection diverter (4) and a second injection diverter (5) are provided between the injection main board (3) and the upper injection mold (2). A first molding lower insert (6) and a first molding upper insert (7) are provided between the lower injection mold (1) and the upper injection mold (2). The first injection diverter (4) is located directly above the first molding upper insert (7). A second molding lower insert (8) and a second molding upper insert (9) are also provided between the lower injection mold (1) and the upper injection mold (2). The second injection diverter (5) is located directly above the second molding upper insert (9). A multi-directional ejector demolding component (10) is provided below the lower injection mold (1). The positions of the first molding lower insert (6) and the second molding lower insert (8) correspond to the positions of the multi-directional ejector demolding component (10).

2. The injection mold for a through-type three-color high-gloss automotive taillight according to claim 1, characterized in that, A taillight transparent part molding chamber is formed between the first molded lower panel (6) and the first molded upper panel (7). The first injection molding splitter (4) is connected to the taillight transparent part molding chamber. A taillight dual-color part molding chamber is formed between the second molded lower panel (8) and the second molded upper panel (9). The second injection molding splitter (5) is connected to the taillight dual-color part molding chamber.

3. The injection mold for a through-type three-color high-gloss automotive taillight according to claim 2, characterized in that, The first injection molding diversion component (4) includes a transparent material injection diversion plate (11) disposed between the injection molding main plate (3) and the injection molding upper mold (2), and the bottom of the transparent material injection diversion plate (11) is provided with a plurality of transparent material injection tubes (12).

4. The injection mold for a through-type three-color high-gloss automotive taillight according to claim 3, characterized in that, The injection molding main board (3) is provided with a first injection molding main pipe (13), which is connected to the transparent material injection diversion plate (11).

5. The injection mold for a through-type three-color high-gloss automotive taillight according to claim 4, characterized in that, The second injection molding diversion component (5) includes a two-color injection molding diversion plate (14) disposed between the injection molding main plate (3) and the injection molding upper mold (2). The bottom of the two-color injection molding diversion plate (14) is provided with a plurality of gunmetal gray material injection tubes (15) and black material injection tubes (16).

6. The injection mold for a through-type three-color high-gloss automotive taillight according to claim 5, characterized in that, The injection molding main board (3) is provided with a second injection molding main pipe (17), which is connected to the two-color material injection molding diversion plate (14).

7. The injection mold for a through-type three-color high-gloss automotive taillight according to claim 6, characterized in that, The first molded upper panel (7) is provided with a first cooling pipe (18), and the second molded upper panel (9) is provided with a second cooling pipe (19).

8. The injection mold for a through-type three-color high-gloss automotive taillight according to claim 7, characterized in that, The multi-directional ejection and demolding component (10) includes several straight ejector rods (20) and front and rear inclined ejector rods (21) disposed below the injection mold (1), and the straight ejector rods (20) and the front and rear inclined ejector rods (21) are arranged alternately.

9. The injection mold for a through-type three-color high-gloss automotive taillight according to claim 8, characterized in that, The injection mold (1) is provided with an ejector fixing plate (22) below it. The straight ejector rod (20) is fixedly connected to the ejector fixing plate (22). The ejector fixing plate (22) is provided with a slanted ejector rod connecting slide (23). The bottom of the front and rear end slanted ejector rods (21) is slidably engaged with the slanted ejector rod connecting slide (23).

10. The injection mold for a through-type three-color high-gloss automotive taillight according to claim 9, characterized in that, Below the ejector fixing plate (22) is a fixing base plate (24), and the fixing base plate (24) is provided with an anti-deviation iron (25). The ejector fixing plate (22) and the anti-deviation iron (25) are slidably engaged.

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