A kind of ejection mechanism of instrument desk shell injection mold

By introducing an ejection mechanism into the injection mold of the instrument panel housing, and using a cylinder to drive the lifting plate and ejection assembly, the problem of unstable ejection of the injection molded housing is solved, the mold opening efficiency is improved and deformation is prevented.

CN224675443UActive Publication Date: 2026-08-25JIANGLAI MODEL TECHNOLOGY (WUXI) CO LTD
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Patent Information

Application Number
CN202521919114.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-08
Publication Date
2026-08-25
Estimated Expiration
2035-09-08

AI Technical Summary

Technical Problem

After the existing instrument panel housing injection mold is opened, the injection housing is difficult to eject stably, resulting in low mold opening efficiency and easy deformation.

Method used

An ejection mechanism for an injection mold of an instrument panel housing is adopted. The first telescopic cylinder drives the lifting plate to move the female mold and cooperate with the fixed male mold. Combined with the ejection assembly, the second telescopic cylinder drives the intermediate plate and the ejection rod to achieve stable ejection of the injection molded housing.

Benefits of technology

It improves the mold opening efficiency of the injection molded shell, avoids deformation of the shell during the ejection process, and ensures stable ejection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to injection molding shell ejection technical field discloses a kind of ejection mechanism of instrument desk shell injection molding mould, including base and top plate, base and top plate are evenly distributed with several guide rods between circumference, first telescopic cylinder is equipped on the top plate, the power end of first telescopic cylinder is equipped with the lifting plate of sliding connection guide rod, several moving female moulds are equipped on the lifting plate, the fixed male mould that is cooperated with moving female mould is oppositely equipped on the lifting plate, driving cavity is equipped on the base, and the ejection assembly that can be twice to the mould is equipped in driving cavity and is ejected.This utility model has the advantages compared with prior art: it is convenient to improve processing efficiency, and it is convenient to improve mould opening efficiency and effect.
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Description

Technical Field

[0001] This utility model relates to the field of injection molding housing ejection technology, specifically to an ejection mechanism for an injection mold of an instrument panel housing. Background Technology

[0002] Instrument panel housing injection molds are mostly made individually. After the mold is opened, the injection housing is exposed and attached to the male mold, which makes it inconvenient to remove the injection housing. Moreover, removing the injection housing not only reduces the mold opening efficiency, but also makes the injection housing prone to deformation. Utility Model Content

[0003] The technical problem this invention aims to solve is that injection-molded shells reduce mold opening efficiency and are prone to deformation.

[0004] To solve the above-mentioned technical problems, the technical solution provided by this utility model is as follows: an ejection mechanism for an injection mold of an instrument panel housing, including a base and a top plate, with a plurality of guide rods evenly distributed circumferentially between the base and the top plate, a first telescopic cylinder provided on the top plate, a lifting plate slidably connected to the guide rods provided on the power end of the first telescopic cylinder, a plurality of movable female molds provided on the lifting plate, a fixed male mold cooperating with the movable female molds provided opposite to the lifting plate, a driving cavity provided on the base, and an ejection component capable of secondary ejection of the mold provided in the driving cavity.

[0005] Furthermore, the lifting plate is provided with sliding holes, which slide through and engage with the guide rod.

[0006] Furthermore, the ejection assembly includes a second telescopic cylinder disposed within the drive cavity. The power end of the second telescopic cylinder is provided with a movable plate. An intermediate plate is disposed within the drive cavity and is parallel to the movable plate. Slide grooves are provided at both ends of the movable plate. A slider is slidably disposed within the slide grooves. A spring is disposed between the slider and the slide grooves. A drive block is disposed on the slider that can drive the intermediate plate to eject a second time. Several sets of ejection rods are disposed on the intermediate plate and are evenly distributed in the fixed mold. The ejection rods are sequentially slidably disposed through the base and the fixed mold.

[0007] Furthermore, the drive block has a triangular structure, with chamfers on both sides of the drive cavity, the chamfers matching the outer slope of the drive block, and the two ends of the middle plate matching the inner slope of the drive block.

[0008] Furthermore, the intermediate plate mates with the top of the drive cavity.

[0009] Furthermore, the upper surface of the ejector rod is flush with the surface of the fixed male mold when the fixed male mold and the moving female mold are engaged.

[0010] The advantages of this utility model compared with the prior art are as follows:

[0011] 1. The lifting plate is driven by the first telescopic cylinder to lift several sets of moving female molds. The guide rod can guide the cooperation between the fixed male mold and the moving female mold, so as to facilitate the simultaneous and stable completion of the cooperation between multiple sets of fixed male molds and moving female molds, and improve the efficiency of shell injection molding.

[0012] 2. The ejector assembly facilitates further lifting and lowering of the finished injection molded housing, ejecting the finished housing for easy unloading. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the ejection mechanism of an injection mold for an instrument panel housing according to this utility model.

[0014] Figure 2 This is a schematic diagram of the ejection mechanism of an injection mold for an instrument panel housing according to this utility model.

[0015] Figure 3 This is a schematic diagram of the main cross-sectional structure of the ejection mechanism of an injection mold for an instrument panel housing according to this utility model.

[0016] Figure 4 yes Figure 3 A magnified structural diagram of A in the diagram.

[0017] As shown in the figure: 1. Base, 2. Top plate, 3. Guide rod, 4. First telescopic cylinder, 5. Lifting plate, 6. Moving female mold, 7. Fixed male mold, 8. Drive cavity, 9. Ejection assembly, 10. Sliding hole, 11. Intermediate plate, 12. Slide groove, 13. Slider, 14. Spring, 15. Drive block, 16. Ejection rod, 17. Chamfer, 18. Second telescopic cylinder, 19. Moving plate. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0019] Combined with appendix Figure 1 An ejection mechanism for an injection mold of an instrument panel housing includes a base 1 and a top plate 2. A plurality of guide rods 3 are evenly distributed circumferentially between the base 1 and the top plate 2. A first telescopic cylinder 4 is provided on the top plate 2. The power end of the first telescopic cylinder 4 is provided with a lifting plate 5 that is slidably connected to the guide rods 3. The lifting plate 5 is provided with a sliding hole 10, which is slidably connected to the guide rods 3. A plurality of movable female molds 6 are provided on the lifting plate 5. A fixed male mold 7 that cooperates with the movable female molds 6 is provided on the lifting plate 5.

[0020] By activating the first telescopic cylinder 4, the first telescopic cylinder 4 drives the lifting plate 5. The lifting plate 5 is slidably connected to the guide rod 3 through the sliding hole 10 to facilitate the stability of the lifting plate 5's lifting and lowering until multiple sets of fixed male molds 7 and movable female molds 6 are engaged. Then, it is convenient to inject molding into the gap between the fixed male mold 7 and the movable female mold 6 to realize the injection molding of the shell mold.

[0021] Combined with appendix Figure 1 The base 1 is provided with a driving cavity 8, and the driving cavity 8 is provided with an ejection assembly 9 for secondary ejection of the mold. The ejection assembly 9 includes a second telescopic cylinder 18 disposed in the driving cavity 8. The power end of the second telescopic cylinder 18 is provided with a moving plate 19. The driving cavity 8 is provided with an intermediate plate 11 arranged parallel to the moving plate 19. The intermediate plate 11 cooperates with the top of the driving cavity 8. The moving plate 19 is provided with a sliding groove 12 at both ends. A slider 13 is slidably disposed in the sliding groove 12. A spring 14 is provided between the slider 13 and the sliding groove 12. The slider 13 is provided with... There is a driving block 15 that can drive the intermediate plate 11 to eject twice. The driving block 15 has a triangular structure. The two sides of the driving cavity 8 are respectively provided with chamfers 17. The chamfers 17 are slidably engaged with the outer slope of the driving block 15. The two ends of the intermediate plate 11 are respectively slidably engaged with the inner slope of the driving block 15. The intermediate plate 11 is provided with several sets of ejector rods 16 evenly distributed in the fixed male mold 7. The ejector rods 16 are slidably inserted through the base 1 and the fixed male mold 7 in sequence. The upper surface of the ejector rods 16 is flush with the surface of the fixed male mold 7 when the fixed male mold 7 and the moving female mold 6 are engaged.

[0022] After the injection-molded shell is formed, as the first telescopic cylinder 4 retracts, the first telescopic cylinder 4 drives the lifting plate 5 to move the female mold 6 and the fixed male mold 7 to disassemble, and the injection-molded shell is exposed.

[0023] Next, the second telescopic cylinder 18 is activated, which drives the moving plate 19 to rise. The moving plate 19 drives the drive block 15 to rise. The drive block 15 slides along the direction of the slide groove 12 through the slope sliding cooperation with the chamfer 17. The spring 14 is compressed and stores power. The drive block 15 drives the intermediate plate 11 to rise further relative to the moving plate 19 through the slope cooperation with both ends of the intermediate plate 11. The intermediate plate 11 drives the evenly distributed array of ejector rods 16 to eject the injection molded shell, which facilitates the stable export of the injection molded shell and avoids deformation during export.

[0024] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

[0026] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. An ejection mechanism for an injection mold of an instrument panel housing, comprising a base (1) and a top plate (2), wherein a plurality of guide rods (3) are evenly distributed circumferentially between the base (1) and the top plate (2), characterized in that: The top plate (2) is provided with a first telescopic cylinder (4), the power end of the first telescopic cylinder (4) is provided with a lifting plate (5) that slides and connects to the guide rod (3), the lifting plate (5) is provided with a number of movable female molds (6), the lifting plate (5) is provided with a fixed male mold (7) that cooperates with the movable female mold (6), the base (1) is provided with a drive cavity (8), and the drive cavity (8) is provided with an ejection assembly (9) that can eject the mold a second time.

2. The ejection mechanism of an injection mold for an instrument panel housing according to claim 1, characterized in that: The lifting plate (5) is provided with a sliding hole (10), which slides through the guide rod (3).

3. The ejection mechanism of an injection mold for an instrument panel housing according to claim 1, characterized in that: The ejection assembly (9) includes a second telescopic cylinder (18) located in the drive cavity (8). The power end of the second telescopic cylinder (18) is provided with a moving plate (19). The drive cavity (8) is provided with an intermediate plate (11) arranged parallel to the moving plate (19). The two ends of the moving plate (19) are respectively provided with a sliding groove (12). A slider (13) is slidably provided in the sliding groove (12). A spring (14) is provided between the slider (13) and the sliding groove (12). A drive block (15) is provided on the slider (13) to drive the intermediate plate (11) to eject twice. Several sets of ejection rods (16) are evenly distributed in the fixed mold (7) on the intermediate plate (11). The ejection rods (16) slide through the base (1) and the fixed mold (7) in sequence.

4. The ejection mechanism of an injection mold for an instrument panel housing according to claim 3, characterized in that: The drive block (15) has a triangular structure. The drive cavity (8) has chamfers (17) on both sides. The chamfers (17) are matched with the outer slope of the drive block (15). The two ends of the middle plate (11) are matched with the inner slope of the drive block (15).

5. The ejection mechanism of an injection mold for an instrument panel housing according to claim 4, characterized in that: The intermediate plate (11) is fitted to the top of the drive cavity (8).

6. The ejection mechanism of an injection mold for an instrument panel housing according to claim 3, characterized in that: The upper surface of the ejector rod (16) is flush with the surface of the fixed male mold (7) when the fixed male mold (7) and the moving female mold (6) are engaged.