Movable two-color injection mold for processing automobile front door map pocket
Patent Information
- Application Number
- CN202522546423.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-01
- Publication Date
- 2026-09-11
- Estimated Expiration
- 2035-12-01
AI Technical Summary
[0002]汽车前门板上通常安装有前门地图袋、喇叭以及防撞块等零部件,现有的前门地图袋一般都是采用低压双层注塑模具制造而成,但是其存在较多的缺陷,传统的仅仅具有一个模腔,只能生产内外构造一致的地图袋塑件,对于需要在地图袋外侧注塑双色不同构造的地图袋时,就不能满足要求,需要进行改进
本申请在下模架和上模架之间设置有可移动的移动底座和成型端面,移动底座移动时,通过底部的滑块滑动在导轨上,上模座底部设置有第一模腔和第二模腔,进行注塑加工时,移动底座可带动下模座移动到第一模腔的底部,上模架下压,使得成型端面进入到第一模腔内部,实现合模,通过浇注口进料,阀体针杆朝向合模后的成型模腔内部注料,从而完成地图袋内侧的注塑加工,注塑冷却后,下模座从第一模腔内部移出,移动底座带动成型端面移动到第二模腔底部,并与第二模腔配合,通过第二模腔内部的阀体针杆进行注料,注塑料在成型端面的外侧注塑成型地图袋的外形,采用两种注塑料,形成双色结构,且内外采用两个模腔组成,可形成不同内外构造的地图袋注塑件,整个注塑过程,简单高效。
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Figure CN224738702U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of automotive front door plastic parts technology, and relates to a movable two-color injection mold for processing the map pocket of automotive front doors. Background Technology
[0002] The front door panel of a car usually has components such as a front door map pocket, horn, and anti-collision block. The existing front door map pockets are generally manufactured by low-pressure double-layer injection molds, but they have many defects. The traditional mold has only one cavity and can only produce map pocket plastic parts with the same internal and external structure. It cannot meet the requirements when it is necessary to injection mold two different colored map pockets with different structures on the outside of the map pocket, so it needs to be improved. Summary of the Invention
[0003] The purpose of this invention is to provide a movable two-color injection mold for processing map pockets on automobile front doors, so as to solve the problems mentioned in the background art.
[0004] The objective of this utility model can be achieved through the following technical solutions: A movable two-color injection mold for processing map pockets for car front doors includes a support base, a lower mold frame, an upper mold frame, an upper mold base, and a lower mold base. A guide rail is provided at the top of the support base, and a movable base is slidably mounted on the top of the support base via the guide rail. Two support columns are provided at the top of the movable base, and a lower mold base is mounted on the top of the support columns. The top of the lower mold base is provided with a molding end face.
[0005] In the aforementioned movable two-color injection mold for processing the map bag for the front door of a car, a lower mold frame is provided at the top side of the support base, an upper mold frame is provided at the top of the lower mold frame, and a cylinder is provided between the upper mold frame and the lower mold frame.
[0006] In the aforementioned mobile two-color injection mold for processing the map bag for the front door of a car, an upper mold base is provided inside the upper mold frame. The bottom end of the upper mold base is provided with the interior of the first mold cavity and the interior of the second mold cavity, and the molding end face is pressed against the interior of the first mold cavity. Limiting rods are provided at the bottom side and the middle position of the upper mold base.
[0007] In the aforementioned movable two-color injection mold for processing the map bag of the front door of a car, valve body needle rods are provided on both sides of the interior of the first mold cavity and the second mold cavity. A top plate is provided on the top of the upper mold base, and a pouring gate is provided at the middle of the top of the top of the top plate, and the pouring gate is connected to the top of the valve body needle rod.
[0008] In the aforementioned movable two-color injection mold for processing the map bag of the front door of a car, a push plate is provided inside the support column, a mounting seat is provided at the top of the push plate, and an inclined push rod is movably connected inside the mounting seat through a pin. A demolding block is connected to the top of the inclined push rod, and the demolding block is placed inside the molding end face.
[0009] In the aforementioned mobile two-color injection mold for processing the map bag for the front door of a car, the bottom of the mobile base is provided with two sliders. The sliders are fixed to the bottom of the mobile base by two locking bolts inside, and both sliders slide on the guide rail.
[0010] Compared with existing technologies, the advantages of this utility model for processing the mobile two-color injection mold for the map pocket of the car front door are: This application provides a movable base and a molding end face between the lower mold base and the upper mold base. When the movable base moves, it slides on the guide rail via a slider at the bottom. The bottom of the upper mold base is provided with a first mold cavity and a second mold cavity. During injection molding, the movable base can drive the lower mold base to move to the bottom of the first mold cavity, and the upper mold base presses down, so that the molding end face enters the interior of the first mold cavity, realizing mold closing. Material is fed through the sprue, and the valve body needle rod injects material into the mold cavity after mold closing, thereby completing the injection molding of the inner side of the map bag. After injection molding and cooling, the lower mold base moves out of the first mold cavity, and the movable base drives the molding end face to move to the bottom of the second mold cavity and cooperates with the second mold cavity. Material is injected through the valve body needle rod inside the second mold cavity. The injection plastic is injection molded on the outside of the molding end face to form the shape of the map bag. Two types of injection plastic are used to form a two-color structure, and the inner and outer parts are composed of two mold cavities, which can form map bag injection molded parts with different inner and outer structures. The entire injection molding process is simple and efficient. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the structure of a movable two-color injection mold for processing a map pocket for the front door of an automobile.
[0012] Figure 2 This is a schematic diagram of the lower mold base structure of the movable two-color injection mold for processing the map pocket of the front door of an automobile.
[0013] In the diagram, 1. Support base; 2. Lower mold frame; 3. Upper mold frame; 4. Top plate; 5. Upper mold base; 6. Sprue; 7. First mold cavity; 8. Second mold cavity; 9. Valve needle rod; 10. Limiting rod; 11. Guide rail; 12. Moving base; 13. Slider; 14. Locking bolt; 15. Support column; 16. Lower mold base; 17. Molding end face; 18. Angled ejector rod; 19. Demolding ejector block. Detailed Implementation
[0014] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.
[0015] The movable two-color injection mold for processing the map pocket of the front door of a car includes a support base 1, a lower mold frame 2, an upper mold frame 3, an upper mold base 5, and a lower mold base 16. A guide rail 11 is provided at the top of the support base 1. A movable base 12 is slidably provided at the top of the support base 1 via the guide rail 11. Two support columns 15 are provided at the top of the movable base 12. The lower mold base 16 is provided at the top of the support columns 15, and a molding end face 17 is provided at the top of the lower mold base 16.
[0016] like Figure 1 , Figure 2 As shown, the movable two-color injection mold for processing the map pocket of the front door of a car according to this utility model has a lower mold frame 2 at the top side of the support base 1, an upper mold frame 3 at the top of the lower mold frame 2, and a cylinder between the upper mold frame 3 and the lower mold frame 2. The cylinder mainly pushes the upper mold frame 3. The cylinder is a well-known device in the art that can be purchased directly from the market. Here we are just using it without making any structural or functional improvements. We will not go into details here.
[0017] like Figure 1 , Figure 2 As shown, the movable two-color injection mold for processing the map pocket of the front door of the car according to this utility model has an upper mold base 5 inside the upper mold frame 3. The bottom end of the upper mold base 5 is provided with the interior of the first mold cavity 7 and the interior of the second mold cavity 8. The molding end face 17 is pressed into the interior of the first mold cavity 7. Limiting rods 10 are provided at the bottom side and the middle position of the upper mold base 5. The limiting rods 10 of this application mainly provide limiting support for the lower mold base 16.
[0018] like Figure 1 , Figure 2 As shown, the movable two-color injection mold for processing the map pocket of the front door of an automobile of this utility model has valve body needle rods 9 provided on both sides of the interior of the first mold cavity 7 and the second mold cavity 8. The top plate 4 is provided on the top of the upper mold base 5, and the top center of the top of the top plate 4 is provided with a pouring port 6, which is connected to the top of the valve body needle rod 9. The pouring port 6 and the valve body needle rod 9 in this application are well-known equipment in the art that can be directly purchased from the market. Here we are just using them without making any structural or functional improvements, and we will not go into details here.
[0019] like Figure 1 , Figure 2As shown, the movable two-color injection mold for processing the map pocket of the front door of an automobile of this utility model has a push plate inside the support column 15. The top of the push plate is provided with a mounting seat, and the mounting seat is movably connected to the inclined push rod 18 through the pin. The top of the inclined push rod 18 is connected to the demolding block 19, and the demolding block 19 is placed inside the molding end face 17. After the injection molded part of this application is cooled, it can be ejected by the inclined push rod 18 and the demolding block 19.
[0020] like Figure 1 , Figure 2 As shown, the movable two-color injection mold for processing the map pocket of the front door of the car of this utility model has two sliders 13 at the bottom of the movable base 12. The sliders 13 are fixed to the bottom of the movable base 12 by two locking bolts 14 inside them, and both sliders 13 slide on the guide rail 11. The guide rail 11 is a metal track, which mainly supports the movable base 12.
[0021] This utility model relates to a movable two-color injection mold for processing a map pocket for automotive front doors. During injection molding, the movable base 12 moves via the guide rail 11, which in turn moves the lower mold base 16 to the bottom of the first mold cavity 7. Then, driven by a cylinder, the upper mold frame 3 presses down, causing the molding end face 17 at the top of the lower mold base 16 to enter the interior of the first mold cavity 7, thus closing the upper mold base 5 and the lower mold base 16 to form an injection mold cavity. Material is fed through the sprue 6, and after the valve needle rod 9 opens, material can be injected into the closed injection mold cavity, thereby completing the injection molding of the single-color inner structure of the map pocket. After the injection molded part cools, the movable base 12 moves, and the lower mold base 16 moves out of the first mold cavity 7. The movable base 12 drives the molding end face 17 and the injection molded part to the bottom of the second mold cavity 8 and cooperates with the second mold cavity 8. The material is injected again through the valve needle rod 9 inside the second mold cavity 8. The injection plastic is injection molded on the outside of the molding end face 17 to form the shape of the map bag. Two types of injection plastic are used to form a two-color structure, and two mold cavities are used inside and outside to form map bag injection molded parts with different internal and external structures. The whole injection process is simple and efficient, and is suitable for two-color injection molding of map bags.
[0022] Contents not described in detail herein are existing technologies known to those skilled in the art. The specific embodiments described herein are merely illustrative examples illustrating the spirit of this invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this invention or exceeding the scope defined by the appended claims.
Claims
1. A movable two-color injection mold for processing map pockets on the front doors of automobiles, comprising a support base (1), a lower mold frame (2), an upper mold frame (3), an upper mold base (5), and a lower mold base (16), characterized in that, The top of the support base (1) is provided with a guide rail (11), and the top of the support base (1) is provided with a movable base (12) via the guide rail (11). The top of the movable base (12) is provided with two support columns (15), and the top of the support columns (15) is provided with a lower mold base (16), and the top of the lower mold base (16) is provided with a forming end face (17).
2. The movable two-color injection mold for processing the map pocket of the car front door according to claim 1, characterized in that, A lower mold frame (2) is provided at the top side of the support base (1), and an upper mold frame (3) is provided at the top of the lower mold frame (2). A cylinder is provided between the upper mold frame (3) and the lower mold frame (2).
3. The movable two-color injection mold for processing the map pocket of the car front door according to claim 2, characterized in that, The upper mold frame (3) is provided with an upper mold base (5). The bottom end of the upper mold base (5) is provided with the interior of the first mold cavity (7) and the second mold cavity (8). The forming end face (17) is pressed against the interior of the first mold cavity (7). Limiting rods (10) are provided at the bottom side and the middle position of the upper mold base (5).
4. The movable two-color injection mold for processing the map pocket of the car front door according to claim 3, characterized in that, Valve body needle rods (9) are provided on both sides of the interior of the first mold cavity (7) and the second mold cavity (8). A top plate (4) is provided on the top of the upper mold base (5), and a pouring port (6) is provided at the middle of the top of the top of the top plate (4), and the pouring port (6) is connected to the top of the valve body needle rod (9).
5. The movable two-color injection mold for processing the map pocket of the car front door according to claim 1, characterized in that, The support column (15) is provided with a push plate inside. The top of the push plate is provided with a mounting seat. The mounting seat is movably connected to an inclined push rod (18) through a pin. The top of the inclined push rod (18) is connected to a demolding block (19), and the demolding block (19) is placed inside the forming end face (17).
6. The movable two-color injection mold for processing the map pocket of the car front door according to claim 1, characterized in that, The bottom of the movable base (12) is provided with two sliders (13). The sliders (13) are fixed to the bottom of the movable base (12) by two locking bolts (14) inside them, and both sliders (13) slide on the guide rail (11).