Ejection extension bar structure of automobile large-size automobile lamp mold

Abstract

The utility model relates to an ejection extension bar structure of an automobile large-volume automobile lamp mould, which belongs to the technical field of injection moulds and comprises a mould insert and an ejector plate, an ejector fixing plate is arranged at the upper end of the ejector plate, a plurality of ejection extension bar components which are movably inserted into the mould insert in a penetrating manner are arranged between the ejector plate and the mould insert, and the ejector plate is fixed on the ejector plate. A fixed mold core is arranged on the side edge of the ejector plate, an insert sliding block attached to the mold insert in a sliding mode is arranged at the upper end of the fixed mold core, a sliding groove is formed between the fixed mold core and the insert sliding block, and an ejection push block for driving the insert sliding block to demold is arranged between the sliding groove and the ejection extension rod assembly. The structure has the advantages of being high in structural strength, simple in machining and matching and stable in fixation after assembly. The problems of poor strength, short purchasing period and high purchasing cost caused by exceeding standard parts are solved. And the extension rod is adopted for ejection, so that later damaged standard parts are convenient to replace, and meanwhile, the mold is convenient to maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, and particularly relates to an ejector lengthening rod structure for a large-volume automobile headlight mold. Background Art

[0002] Injection molded products refer to products formed by heating and plasticizing plastics with an injection molding machine, then injecting them into the cavity of a molding mold, cooling and lowering the temperature, and demolding after the melt solidifies. The devices that affect the molding quality of injection molded products are mainly the gating system, the cooling system, and the ejection system. Among them, the design of the ejection system directly affects the deformation of plastic parts.

[0003] Automobile headlights are getting larger, the shape of headlight products is getting larger, and the height difference is also getting higher. The length of the standard ejector parts required for headlight molds exceeds the length of the standard parts on the market, and customized production is required. The procurement cycle for customized production is long and the cost is high. Summary of the Invention

[0004] The utility model mainly solves the deficiencies existing in the prior art, and provides an ejector lengthening rod structure for a large-volume automobile headlight mold, which has the characteristics of high structural strength, simple processing and fitting, and stable fixation after assembly. It solves the problems of poor strength, long procurement cycle, and high procurement cost caused by exceeding the standard parts. Using a lengthening rod for ejection is convenient for replacing damaged standard parts later and is also convenient for mold maintenance.

[0005] The above technical problems of the utility model are mainly solved by the following technical solutions:

[0006] An ejector lengthening rod structure for a large-volume automobile headlight mold includes a mold insert and an ejector plate. A thimble fixing plate is provided at the upper end of the ejector plate. Between the ejector plate and the mold insert, there are several ejector lengthening rod assemblies that are inserted and movably connected to the mold insert in a penetrating manner. A fixed mold core is provided on the side of the ejector plate. An insert slider that is slidably attached to the mold insert is provided at the upper end of the fixed mold core. A chute is provided between the fixed mold core and the insert slider. An ejector push block for driving the insert slider to demold is provided between the chute and the ejector lengthening rod assembly.

[0007] Preferably, the ejector lengthening rod assembly includes a lengthening rod that is inserted and fixed in a limited manner to the thimble fixing plate. A thimble is provided at the upper end of the lengthening rod and is inserted and fixedly connected to the lengthening rod.

[0008] Preferably, a screw is provided between the thimble and the lengthening rod.

[0009] Preferably, a slider ejector assembly that is inserted and fixed to the thimble fixing plate is provided between the ejector lengthening rod assembly and the ejector push block.

[0010] Preferably, the slider ejection assembly includes a fixing plate, the lower end of the fixing plate is inserted and fixed to the ejector pin fixing plate, an ejection convex plate is arranged between the fixing plate and the ejection push block, a fixing pin is arranged between the lower end of the ejection convex plate and the ejector pin fixing plate, and a spring is arranged between the upper end of the ejection convex plate and the upper end of the fixing plate.

[0011] Preferably, a trapezoidal flange that is slidably in contact with the ejection push block is arranged in the middle of the ejection convex plate.

[0012] Preferably, a bolt that is threadedly connected and fixed to the ejection convex plate is arranged in the middle of the fixing plate.

[0013] The utility model can achieve the following effects:

[0014] The utility model provides an ejection extension rod structure for a large-volume automobile headlight mold. Compared with the prior art, it has the characteristics of high structural strength, simple processing and fitting, and stable fixation after assembly. It solves the problems of poor strength, long procurement cycle, and high procurement cost caused by parts exceeding the standard. Using an extension rod for ejection facilitates the replacement of standard parts damaged in the later stage and is also convenient for mold maintenance. Description of the Drawings

[0015] Figure 1 is a structural schematic diagram of the utility model.

[0016] Figure 2 is a structural schematic diagram of the ejection extension rod assembly in the utility model.

[0017] Figure 3 is a structural sectional view of the slider ejection assembly in the utility model.

[0018] In the figure: ejection extension rod assembly 1, mold insert 2, slider ejection assembly 3, insert slider 4, ejection push block 5, chute 6, fixed mold core 7, ejector plate 8, ejector pin fixing plate 9, ejector pin 10, screw 11, extension rod 12, fixing plate 13, spring 14, ejection convex plate 15, fixing pin 16, bolt 17. Detailed Embodiments

[0019] The technical solutions of the utility model will be further specifically described below through embodiments in conjunction with the drawings.

[0020] Embodiment: As Figure 1 、 Figure 2 and Figure 3As shown in the figure, an ejection extension rod structure of a large-volume headlight mold for an automobile includes a mold insert 2 and an ejector plate 8. An ejector pin fixing plate 9 is provided at the upper end of the ejector plate 8. There are 5 ejection extension rod assemblies 1 that are movably inserted through the mold insert 2 between the ejector plate 8 and the mold insert 2. The ejection extension rod assembly 1 includes an extension rod 12 that is limited and inserted and fixed to the ejector pin fixing plate 9. An ejector pin 10 that is inserted and fixedly connected to the extension rod 12 is provided at the upper end of the extension rod 12. A screw 11 is provided between the ejector pin 10 and the extension rod 12. A fixed mold core 7 is provided on the side of the ejector plate 8. An insert slider 4 that is slidably attached to the mold insert 2 is provided at the upper end of the fixed mold core 7. A chute 6 is provided between the fixed mold core 7 and the insert slider 4. An ejection push block 5 for driving the insert slider 4 to demold is provided between the chute 6 and the ejection extension rod assembly 1. A slider ejection assembly 3 that is inserted and fixed to the ejector pin fixing plate 9 is provided between the ejection extension rod assembly 1 and the ejection push block 5. The slider ejection assembly 3 includes a fixing plate 13. The lower end of the fixing plate 13 is inserted and fixed to the ejector pin fixing plate 9. An ejection convex plate 15 is provided between the fixing plate 13 and the ejection push block 5. A trapezoidal flange that is slidably in contact with the ejection push block 5 is provided in the middle of the ejection convex plate 15. A fixing pin 16 is provided between the lower end of the ejection convex plate 15 and the ejector pin fixing plate 9. A spring 14 is provided between the upper end of the ejection convex plate 15 and the upper end of the fixing plate 13. A bolt 17 that is threadedly connected and fixed to the ejection convex plate 15 is provided in the middle of the fixing plate 13.

[0021] In summary, the ejection extension rod structure of the large-volume headlight mold for an automobile has the characteristics of high structural strength, simple processing and fitting, and stable fixation after assembly. It solves the problems of poor strength caused by parts exceeding the standard, long procurement cycle, and high procurement cost. Using an extension rod for ejection is convenient for replacing standard parts damaged later and is also convenient for mold maintenance.

[0022] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the basic characteristics of the invention. Therefore, in any aspect, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0023] In short, the above are only specific embodiments of the present invention, but the structural features of the present invention are not limited thereto. Any changes or modifications made by those skilled in the art within the scope of the present invention are covered by the patent scope of the present invention.

Claims

1. An ejection extension rod structure for a large-volume headlight mold of an automobile, characterized in that: It includes a mold insert (2) and an ejector plate (8). An ejector pin fixing plate (9) is provided at the upper end of the ejector plate (8). A number of ejector extension rod assemblies (1) that are inserted into and movably connected to the mold insert (2) in a penetrating manner are provided between the ejector plate (8) and the mold insert (2). A stationary mold core (7) is provided on the side of the ejector plate (8). An insert slider (4) that is slidably fitted to the mold insert (2) is provided at the upper end of the stationary mold core (7). A chute (6) is provided between the stationary mold core (7) and the insert slider (4). An ejector push block (5) for driving the insert slider (4) to demold is provided between the chute (6) and the ejector extension rod assembly (1).

2. The ejector extension rod structure of a large-volume car headlight mold according to claim 1, characterized in that: The ejector extension rod assembly (1) includes an extension rod (12) that is inserted and fixed to the ejector pin fixing plate (9) in a limiting manner. An ejector pin (10) that is inserted and fixedly connected to the extension rod (12) is provided at the upper end of the extension rod (12).

3. The ejection extension rod structure of a large-volume automobile headlight mold according to claim 2, characterized in that: A screw (11) is provided between the ejector pin (10) and the extension rod (12).

4. The ejection lengthening rod structure of a large-volume car headlight mold according to claim 1, characterized in that: A slider ejector assembly (3) that is inserted and fixed to the ejector pin fixing plate (9) is provided between the ejector extension rod assembly (1) and the ejector push block (5).

5. The ejection extension rod structure of a large-volume car headlight mold according to claim 4, characterized in that: The slider ejector assembly (3) includes a fixing plate (13). The lower end of the fixing plate (13) is inserted and fixed to the ejector pin fixing plate (9). An ejector convex plate (15) is provided between the fixing plate (13) and the ejector push block (5). A fixing pin (16) is provided between the lower end of the ejector convex plate (15) and the ejector pin fixing plate (9). A spring (14) is provided between the upper end of the ejector convex plate (15) and the upper end of the fixing plate (13).

6. The ejection lengthening rod structure of a large-volume car headlight mold according to claim 5, characterized in that: A trapezoidal flange that is slidably in contact with the ejector push block (5) is provided in the middle of the ejector convex plate (15).

7. The ejection lengthening rod structure of a large-volume car headlight mold according to claim 5, characterized in that: A bolt (17) that is threadedly connected and fixed to the ejector convex plate (15) is provided in the middle of the fixing plate (13).

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