Multi-ejection mechanism of automobile through type tail lamp injection mold

Abstract

The utility model belongs to the technical field of molds, and particularly relates to a multi-ejection mechanism of an automobile through type tail lamp injection mold. The tail lamp injection mold comprises a tail lamp injection molding fixed mold and a tail lamp injection molding movable mold, and a plurality of upper molding inlaying seats are arranged in the tail lamp injection molding fixed mold. In the injection molding process, the tail lamp injection molding fixed mold and the tail lamp injection molding movable mold are close to each other, so that the upper molding inlay seat and the lower molding inlay seat are matched in an abutting mode, then a complete cavity is formed through matching of the bottom side auxiliary molding cooling piece, and the bottom side auxiliary molding cooling piece is used for assisting in molding a bottom side structure of a plastic piece. Molten materials are injected into the cavity through the injection molding part, after injection molding is completed, a bottom side component of a plastic part can be cooled through the bottom side auxiliary molding cooling part, the surface quality of a thin-wall part is improved, after mold opening, the molded plastic part can be ejected out in multiple directions through the multiple-direction ejection assembly, the ejection area is large, and the injection molding efficiency is improved. And meanwhile, the plastic part is prevented from inclining and overturning during ejection, and the quality of the plastic part is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds and relates to a multiple ejection mechanism of an automobile through-type taillight injection mold. Background Art

[0002] Car taillights are generally made of plastic. With the continuous changes in car models, more and more car models are beginning to use through-type taillights. Compared with split taillights, the overall structure of through-type taillights is longer on the one hand and requires higher precision on the other hand. During the injection molding process, it is difficult to ensure the surface quality of the thin wall of the taillight with the existing car taillight injection mold, and it is easy to tilt and flip during the ejection process, making it difficult to ensure the quality of the plastic parts. Therefore, it is urgent to design a multi-ejection mechanism for the car through-type taillight injection mold that can overcome the above defects.

[0003] In order to overcome the shortcomings of the prior art, people have proposed various solutions through continuous exploration. For example, a Chinese patent discloses an automobile taillight injection mold [application number: 201910359193.2], which includes a fixed mold frame and a movable mold frame with a regular hexagonal cross-section, and the upper surface of the fixed mold frame is provided with a semi-finished product side small insert, a finished product side small insert and a removal groove in sequence, and the cross-sections of the semi-finished product side small insert, the finished product side small insert and the removal groove are rotationally symmetrical with a rotation angle of degrees. Utility Model Content

[0004] The utility model aims to solve the above problems and provides a multiple ejection mechanism for an injection mold of a through-type taillight of an automobile.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A multiple ejection mechanism of an automobile through-type taillight injection mold comprises a taillight injection fixed mold and a taillight injection movable mold, wherein a plurality of upper molding seats are arranged in the taillight injection fixed mold, and a plurality of lower molding seats are arranged in the taillight injection movable mold, wherein the upper molding seats correspond to the positions of the lower molding seats and have matching shapes, an injection molded part is arranged above the taillight injection fixed mold, and a bottom side auxiliary molding cooling part and a multi-directional ejection assembly are arranged below the lower molding seats, wherein the bottom side auxiliary molding cooling part abuts against the lower molding seats.

[0007] In the above-mentioned multiple ejection mechanism of the automobile through-type taillight injection mold, the multi-directional ejection component includes a main ejection part and a bottom ejection part arranged below the lower molding insert, the main ejection part and the bottom ejection part are arranged alternately, the main ejection part corresponds to the position of the lower molding insert, and the bottom ejection part corresponds to the position of the bottom auxiliary molding cooling part.

[0008] In the above-mentioned multiple ejection mechanism of the automobile through-type taillight injection mold, the main body ejector comprises a main body ejector rod arranged below the lower molding seat, and a main body ejector block is arranged on the top of the main body ejector rod.

[0009] In the above-mentioned multiple ejection mechanism of the automobile through-type taillight injection mold, a limiting base is further provided below the lower molding insert, and the main body ejection rod passes through the limiting base and is slidably matched with the limiting base.

[0010] In the above-mentioned multiple ejection mechanism of the automobile through-type taillight injection mold, the bottom ejection part includes a bottom ejection rod arranged below the lower molding seat, and a bottom ejection block is provided on the top of the bottom ejection rod, and the bottom ejection block corresponds to the position of the bottom auxiliary molding cooling part.

[0011] In the above-mentioned multiple ejection mechanism of the automobile through-type taillight injection mold, the bottom side auxiliary molding cooling part includes a bottom side auxiliary molding inclined seat arranged below the lower molding insert, and the top of the bottom side auxiliary molding inclined seat is provided with an auxiliary molding surface, and the auxiliary molding surface is against the lower molding insert.

[0012] In the above-mentioned multiple ejection mechanism of the automobile through-type taillight injection mold, a cooling pipe is arranged in the bottom auxiliary molding inclined seat, and the bottom auxiliary molding inclined seat abuts against the limiting base.

[0013] In the above-mentioned multiple ejection mechanism of the automobile through-type taillight injection mold, an ejection connecting plate is provided below the taillight injection movable mold, and the main body ejector rod and the bottom side ejector rod are respectively connected to the ejection connecting plate.

[0014] In the above-mentioned multiple ejection mechanism of the automobile through-type taillight injection mold, the injection molded part includes an injection molded main board arranged above the taillight injection fixed mold.

[0015] In the above-mentioned multiple ejection mechanism of the automobile through-type taillight injection mold, an injection diverter plate is provided between the injection main board and the taillight injection fixed mold.

[0016] Compared with the existing technology, the advantages of the utility model are:

[0017] 1. In the injection molding process of the utility model, the taillight injection mold and the taillight injection mold are brought close to each other, so that the upper molding seat and the lower molding seat are abutted and matched, and then a complete cavity is formed by the cooperation of the bottom auxiliary molding cooling member. The bottom auxiliary molding cooling member is used to assist in molding the bottom side structure of the plastic part. The molten material is injected into the cavity through the injection molding member. After the injection molding is completed, the bottom side components of the plastic part can be cooled by the bottom auxiliary molding cooling member to improve the surface quality of the thin-walled part. After the mold is opened, the molded plastic part can be ejected in multiple directions through the multi-directional ejection assembly. The ejection area is large, and at the same time, the plastic part is prevented from tilting and flipping during ejection, thereby ensuring the quality of the plastic part.

[0018] 2. The utility model sets a limit base to limit the main body ejection rod, thereby preventing the main body ejection rod from being displaced during ejection.

[0019] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the taillight injection mold.

[0021] Figure 2 It is a structural diagram of the taillight injection mold in another direction.

[0022] Figure 3 It is a structural schematic diagram of the taillight injection mold.

[0023] Figure 4 It is a partial structural schematic diagram of the utility model.

[0024] In the figure: tail light injection fixed mold 1, tail light injection movable mold 2, upper molding inlay 3, lower molding inlay 4, injection molded part 5, bottom auxiliary molding cooling part 6, multi-directional ejector assembly 7, main body ejector part 8, bottom ejector part 9, main body ejector rod 10, main body ejector block 11, limiting base 12, bottom ejector rod 13, bottom ejector block 14, bottom auxiliary molding inclined seat 15, cooling pipe 16, ejector connecting plate 17, injection molding main board 18, injection molding diverter plate 19. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings.

[0026] like Figure 1-4As shown, a multiple ejection mechanism of an automobile through-type taillight injection mold comprises a taillight injection fixed mold 1 and a taillight injection movable mold 2, wherein the taillight injection fixed mold 1 is provided with a plurality of upper molding seats 3, and the taillight injection movable mold 2 is provided with a plurality of lower molding seats 4, wherein the upper molding seats 3 correspond to the positions of the lower molding seats 4 and the shapes thereof are matched, an injection molded part 5 is provided above the taillight injection fixed mold 1, and a bottom side auxiliary molding cooling part 6 and a multi-directional ejection assembly 7 are provided below the lower molding seat 4, wherein the bottom side auxiliary molding cooling part 6 abuts against the lower molding seat 4.

[0027] In this embodiment, during the injection molding process, the taillight injection fixed mold 1 and the taillight injection movable mold 2 are brought close to each other so that the upper molding seat 3 and the lower molding seat 4 are abutted and matched, and then a complete cavity is formed through the cooperation of the bottom side auxiliary molding cooling member 6. The bottom side auxiliary molding cooling member 6 is used to assist in molding the bottom side structure of the plastic part. The molten material is injected into the cavity through the injection molding member 5. After the injection molding is completed, the bottom side components of the plastic part can be cooled by the bottom side auxiliary molding cooling member 6 to improve the surface quality of the thin-walled part. After the mold is opened, the molded plastic part can be ejected in multiple directions through the multi-directional ejection assembly 7. The ejection area is large and the plastic part can be prevented from tilting and flipping during ejection, thereby ensuring the quality of the plastic part.

[0028] Combination Figure 1-4 As shown, the multi-directional ejector assembly 7 includes a main ejector part 8 and a bottom ejector part 9 arranged below the lower molding seat 4, and the main ejector part 8 and the bottom ejector part 9 are arranged alternately. The main ejector part 8 corresponds to the position of the lower molding seat 4, and the bottom ejector part 9 corresponds to the position of the bottom auxiliary molding cooling part 6.

[0029] Specifically, after the mold is opened, the molded plastic part body and the bottom side of the plastic part can be ejected synchronously through the main ejector 8 and the bottom ejector 9, realizing multi-directional ejection with a large ejection area, while avoiding the plastic part from tilting and flipping during ejection, thereby ensuring the quality of the plastic part.

[0030] The main body ejector 8 includes a main body ejector rod 10 disposed below the lower molding seat 4 , and a main body ejector block 11 is disposed on the top of the main body ejector rod 10 .

[0031] In this embodiment, during the ejection process, the main body ejection rod 10 is moved to drive the main body ejection block 11 to move synchronously, and the molded plastic part main body is ejected through the main body ejection block 11.

[0032] Combination Figure 3 , Figure 4 As shown, a limiting base 12 is further provided below the lower molding insert 4, and the main body ejector rod 10 passes through the limiting base 12 and is slidably matched with the limiting base 12.

[0033] In this embodiment, the limiting base 12 is used to limit the main body ejection rod 10 to prevent the main body ejection rod 10 from being offset during ejection.

[0034] The bottom ejector member 9 includes a bottom ejector rod 13 disposed below the lower molding insert 4 , and a bottom ejector block 14 is disposed on the top of the bottom ejector rod 13 . The bottom ejector block 14 corresponds to the position of the bottom auxiliary molding cooling member 6 .

[0035] In this embodiment, during the ejection process, the bottom ejection rod 13 is moved to drive the bottom ejection block 14 to move synchronously, and the bottom side of the molded plastic part is ejected synchronously by the bottom ejection block 14 .

[0036] Combination Figure 4 As shown, the bottom side auxiliary molding cooling member 6 includes a bottom side auxiliary molding inclined seat 15 arranged below the lower molding insert 4, the top of the bottom side auxiliary molding inclined seat 15 is provided with an auxiliary molding surface, the auxiliary molding surface is abutted against the lower molding insert 4, a cooling pipe 16 is provided in the bottom side auxiliary molding inclined seat 15, and the bottom side auxiliary molding inclined seat 15 is abutted against the limiting base 12.

[0037] In this embodiment, the auxiliary molding surface on the bottom auxiliary molding inclined seat 15 is used to assist in molding the bottom structure of the plastic part. After injection molding is completed, cooling water can be injected into the cooling pipe 16 to cool the bottom side components of the plastic part and improve the surface quality of the thin-walled part.

[0038] Combination Figure 3-4 As shown, an ejector connecting plate 17 is provided below the taillight injection movable mold 2 , and the main body ejector rod 10 and the bottom side ejector rod 13 are respectively connected to the ejector connecting plate 17 .

[0039] In this embodiment, the ejector connecting plate 17 is used to connect the main body ejector rod 10 and the bottom side ejector rod 13 .

[0040] Combination Figure 1-2 As shown, the injection molded part 5 includes an injection molded main board 18 disposed above the tail light injection mold 1 , and an injection molded diverter plate 19 is disposed between the injection molded main board 18 and the tail light injection mold 1 .

[0041] In this embodiment, during the injection molding process, the molten material is injected into the mold cavity from the injection molding main plate 18 and the injection molding manifold plate 19 .

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

[0043] During the injection molding process, the taillight injection fixed mold 1 and the taillight injection movable mold 2 are brought close to each other, so that the upper molding seat 3 and the lower molding seat 4 are abutted and matched, and then a complete cavity is formed through the cooperation of the bottom auxiliary molding cooling member 6. The auxiliary molding surface on the bottom auxiliary molding inclined seat 15 is used to assist in molding the lower bottom structure of the plastic part. The molten material is injected into the cavity from the injection molding main board 18 and the injection molding diverter plate 19. After the injection molding is completed, cooling water can be injected into the cooling pipe 16 to cool the bottom side components of the plastic part and improve the surface quality of the thin-walled part. After the mold is opened, the molded plastic part body and the bottom side of the plastic part can be ejected synchronously through the main ejector 8 and the bottom ejector 9, realizing multi-directional ejection and a large ejection area. At the same time, the plastic part is prevented from tilting and flipping during ejection, thereby ensuring the quality of the plastic part.

[0044] During the ejection process, the main ejector rod 10 is moved to drive the main ejector block 11 to move synchronously, and the molded plastic part body is ejected through the main ejector block 11. The limiting base 12 is used to limit the main ejector rod 10 to prevent the main ejector rod 10 from being offset during ejection.

[0045] During the ejection process, the bottom ejector rod 13 is moved to drive the bottom ejector block 14 to move synchronously, and the bottom side of the molded plastic part is ejected synchronously through the bottom ejector block 14. The ejection connecting plate 17 is used to connect the main ejector rod 10 and the bottom ejector rod 13.

[0046] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways without departing from the spirit of the present invention.

[0047] Although this article uses the terms such as tail light injection fixed mold 1, tail light injection movable mold 2, upper molding seat 3, lower molding seat 4, injection molded part 5, bottom auxiliary molding cooling part 6, multi-directional ejection assembly 7, main body ejector 8, bottom ejector 9, main body ejector rod 10, main body ejector block 11, limiting base 12, bottom ejector rod 13, bottom ejector block 14, bottom auxiliary molding inclined seat 15, cooling pipe 16, ejection connecting plate 17, injection molding main board 18, injection molding manifold 19, etc. more frequently, it does not exclude the possibility of using other terms. The use of these terms is only for the purpose of more conveniently describing and explaining the essence of the utility model, and interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A multiple ejection mechanism for an automobile through-type taillight injection mold, comprising a taillight injection fixed mold (1) and a taillight injection movable mold (2), characterized in that: The taillight injection mold (1) is provided with a plurality of upper molding seats (3), and the taillight injection movable mold (2) is provided with a plurality of lower molding seats (4). The upper molding seats (3) correspond to the lower molding seats (4) in position and have matching shapes. An injection molded part (5) is provided above the taillight injection mold (1), and a bottom side auxiliary molding cooling part (6) and a multi-directional ejection assembly (7) are provided below the lower molding seat (4). The bottom side auxiliary molding cooling part (6) abuts against the lower molding seat (4).

2. The multiple ejection mechanism of the automobile through-type taillight injection mold according to claim 1, characterized in that: The multi-directional ejection assembly (7) comprises a main ejection member (8) and a bottom ejection member (9) arranged below the lower molding seat (4); the main ejection member (8) and the bottom ejection member (9) are arranged alternately; the main ejection member (8) corresponds to the position of the lower molding seat (4); and the bottom ejection member (9) corresponds to the position of the bottom auxiliary molding cooling member (6).

3. The multiple ejection mechanism of the automobile through-type taillight injection mold according to claim 2, characterized in that: The main body ejector (8) comprises a main body ejector rod (10) arranged below the lower molding seat (4), and a main body ejector block (11) is arranged on the top of the main body ejector rod (10).

4. The multiple ejection mechanism of the automobile through-type taillight injection mold according to claim 3, characterized in that: A limiting base (12) is also provided below the lower molding insert (4), and the main body ejector rod (10) passes through the limiting base (12) and is slidably matched with the limiting base (12).

5. The multiple ejection mechanism of the automobile through-type taillight injection mold according to claim 4, characterized in that: The bottom ejector member (9) comprises a bottom ejector rod (13) arranged below the lower molding insert (4), a bottom ejector block (14) being arranged on the top of the bottom ejector rod (13), and the bottom ejector block (14) corresponds to the position of the bottom auxiliary molding cooling member (6).

6. The multiple ejection mechanism of the automobile through-type taillight injection mold according to claim 5, characterized in that: The bottom auxiliary molding cooling member (6) comprises a bottom auxiliary molding inclined seat (15) arranged below the lower molding insert (4); an auxiliary molding surface is arranged on the top of the bottom auxiliary molding inclined seat (15); and the auxiliary molding surface abuts against the lower molding insert (4).

7. The multiple ejection mechanism of the automobile through-type taillight injection mold according to claim 6, characterized in that: A cooling pipe (16) is provided inside the bottom-side auxiliary forming inclined seat (15), and the bottom-side auxiliary forming inclined seat (15) abuts against the limiting base (12).

8. The multiple ejection mechanism of the automobile through-type taillight injection mold according to claim 7, characterized in that: An ejector connecting plate (17) is provided below the taillight injection molding movable mold (2), and the main body ejector rod (10) and the bottom side ejector rod (13) are respectively connected to the ejector connecting plate (17).

9. The multiple ejection mechanism of the automobile through-type taillight injection mold according to claim 8, characterized in that: The injection molded part (5) comprises an injection molded main board (18) arranged above the tail light injection mold (1).

10. The multiple ejection mechanism of the automobile through-type taillight injection mold according to claim 9, characterized in that: An injection molding splitter plate (19) is provided between the injection molding main board (18) and the tail light injection molding fixed mold (1).

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