Direct ejection mechanism of straight top insert for forming die of automobile pillar trim panel

Abstract

This utility model provides a linkage demolding mechanism for a direct ejector insert in an automotive pillar decorative panel molding mold. It includes a base plate, a lower mold base, and a stripper plate positioned between the base plate and the lower mold base. A mounting seat is located on the top side of the stripper plate, and a rotating seat is movably mounted inside the mounting seat. An inclined ejector rod is movably connected to the rotating seat via a pin, and an inclined ejector block is connected to the top of the inclined ejector rod. This utility model also includes multiple molding inserts supported by a base and an inner slider at the top of the lower mold base. A guide groove compresses the inner slider, causing it to slide. The molding inserts are pressed against the outside of the injection molded part within the molding cavity, thus creating an injection hole on the outside of the injection molded part. During demolding, a cylinder pushes the stripper plate upwards, and the inclined ejector rod drives the inclined ejector block to slide obliquely upwards, laterally ejecting the corner of the injection molded part. Simultaneously, the direct ejector rod directly ejects the injection molded part from the mold cavity via the direct ejector block. This linkage demolding mechanism is simple and efficient.

Description

Technical Field

[0001] This utility model belongs to the field of decorative panel processing technology, and relates to a linkage demolding mechanism for the direct-top insert of an automotive pillar decorative panel forming mold. Background Technology

[0002] The molding die for automotive pillar trim panels is a key tool used to produce interior trim panels for automotive A-pillars, B-pillars, C-pillars, etc. Its design needs to meet the requirements of complex structure, high appearance quality, and efficient production. The existing trim injection molded parts are ejected by a single ejector pin after cooling, which results in slow demolding efficiency. In addition, the sides of the trim parts are angled, making it difficult to eject with a single ejector pin. Furthermore, multiple through holes need to be injection molded on the sides of the parts. The existing trim panel injection mold insert design is unreasonable and needs to be improved. Summary of the Invention

[0003] The purpose of this utility model is to provide a direct-top insert linkage demolding mechanism for automobile pillar decorative panel forming mold, 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 solution: a direct-top insert linkage demolding mechanism for forming a car pillar decorative panel mold, comprising a base plate, support columns, a lower mold base, and an upper mold base. The lower mold base is supported at the top of the base plate by two support columns. The upper mold base is located at the top of the lower mold base. A stripper plate is provided between the lower mold base and the base plate. A mounting seat is provided on the top side of the stripper plate. A rotating seat is movably arranged inside the mounting seat. An inclined ejector rod is movably connected inside the rotating seat by a pin. An inclined ejector block is connected to the top of the inclined ejector rod, and the inclined ejector block is located inside the lower mold base.

[0005] In the above-mentioned linkage demolding mechanism for the straight-top insert of the automotive pillar decorative panel forming mold, a plurality of straight push rods are provided at the top position of the stripper plate, and the top of the straight push rods is connected to a straight push block, and the straight push block is placed inside the lower mold base.

[0006] In the above-mentioned automotive pillar decorative panel forming mold direct top insert linkage demolding mechanism, a cylinder is provided at the top position of the stripper plate, and the output end of the cylinder is connected to the bottom position of the lower mold base. A guide rod is provided at the top side position of the stripper plate, and the guide rod is slidably sleeved with the side of the lower mold base.

[0007] In the above-mentioned automotive pillar decorative panel forming mold direct top insert linkage demolding mechanism, a base is provided at the top position of the lower mold base, and an inner slider is movably arranged inside the base, with one end of the inner slider connected to the forming insert.

[0008] In the above-mentioned automotive pillar decorative panel forming mold direct top insert linkage demolding mechanism, a forming inner cavity is opened at the bottom of the upper mold base, and multiple guide grooves are provided inside the forming inner cavity, and the guide grooves cooperate with the inner slider.

[0009] In the above-mentioned automotive pillar decorative panel forming mold direct top insert linkage demolding mechanism, a panel is provided at the top position of the upper mold base, and a gate is provided at the top center of the panel.

[0010] Compared with existing technologies, the advantages of the direct-top insert linkage demolding mechanism of the automobile pillar decorative panel forming mold of this utility model are: This application provides multiple molding inserts supported by a base and an inner slider at the top of the lower mold base. When the upper mold base slides down and closes with the lower mold base, the base enters the guide groove, and the guide groove squeezes the inner slider, causing the inner slider to slide. The molding inserts are pressed against the outside of the injection molded part in the molding cavity, thereby creating an injection hole on the outside of the injection molded part. During injection demolding, the cylinder pushes the stripper plate upward, and the angled ejector rod drives the angled ejector block to slide obliquely upward, laterally ejecting the corner of the injection molded part. At the same time, the straight ejector rod directly ejects the injection molded part inside the mold cavity through the straight ejector block. In this way, the linkage demolding can be completed, making the demolding of the injection molded part simple and efficient. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the linkage demolding mechanism of the direct-top insert of the automotive pillar decorative panel forming mold of this utility model.

[0012] Figure 2 This is a schematic diagram of the stripping plate structure of the direct-top insert linkage demolding mechanism of the automotive pillar decorative panel forming mold of this utility model.

[0013] Figure 3 This is a schematic diagram of the top structure of the ejector plate of the direct-top insert linkage ejector mechanism of the automotive pillar decorative panel forming mold of this utility model.

[0014] Figure 4 This is a schematic diagram of the upper mold base structure of the direct-top insert linkage demolding mechanism of the automotive pillar decorative panel forming mold of this utility model.

[0015] In the diagram, 1. Base plate; 2. Support column; 3. Lower mold base; 4. Upper mold base; 5. Panel; 6. Gate; 7. Stripper plate; 8. Guide rod; 9. Cylinder; 10. Mounting base; 11. Rotary base; 12. Angled ejector rod; 13. Angled ejector block; 14. Straight ejector rod; 15. Straight ejector block; 16. Base; 17. Inner slider; 18. Molding insert; 19. Molding cavity; 20. Guide groove. Detailed Implementation

[0016] 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.

[0017] The direct-mount insert linkage demolding mechanism for automotive pillar decorative panel forming mold includes a base plate 1, support columns 2, a lower mold base 3, and an upper mold base 4. The lower mold base 3 is supported at the top of the base plate 1 by two support columns 2. The upper mold base 4 is located at the top of the lower mold base 3. A stripper plate 7 is located between the lower mold base 3 and the base plate 1. A mounting seat 10 is located on the top side of the stripper plate 7. A rotating seat 11 is movably installed inside the mounting seat 10. An inclined ejector rod 12 is movably connected inside the rotating seat 11 by a pin. An inclined ejector block 13 is connected to the top of the inclined ejector rod 12 and is located inside the lower mold base 3.

[0018] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the automobile pillar decorative panel molding mold of this utility model has a straight ejector insert linkage demolding mechanism. Specifically, the top position of the ejector plate 7 is provided with multiple straight ejector rods 14, the top of the straight ejector rods 14 is connected to a straight ejector block 15, and the straight ejector block 15 is placed inside the lower mold base 3. Multiple straight ejector blocks 15 are provided to eject the injection molded part at multiple positions.

[0019] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the present invention relates to a direct-top insert linkage demolding mechanism for automotive pillar decorative panel forming mold. Specifically, a cylinder 9 is provided at the top of the stripper plate 7, and the output end of the cylinder 9 is connected to the bottom of the lower mold base 3. A guide rod 8 is provided at the top side of the stripper plate 7, and the guide rod 8 is slidably sleeved with the side of the lower mold base 3. The cylinder 9 is a commercially available device known to those skilled in the art. Here we are only using it without making any structural or functional improvements, and we will not go into detail here. The stripper plate 7 is moved by the cylinder 9.

[0020] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the present invention relates to a direct-top insert linkage demolding mechanism for automotive pillar decorative panel molding molds. Specifically, a base 16 is provided at the top of the lower mold base 3, and an inner slider 17 is movably provided inside the base 16. One end of the inner slider 17 is connected to a molding insert 18, which can slide with the inner slider 17. The molding insert 18 fits against the side of the injection molded part, thereby forming a through hole at the side of the injection molded part, which facilitates the installation and fixing of the injection molded part.

[0021] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the present invention relates to a direct-top insert linkage demolding mechanism for automotive pillar decorative panel molding mold. Specifically, a molding cavity 19 is provided at the bottom of the upper mold base 4. Multiple guide grooves 20 are provided inside the molding cavity 19, and the guide grooves 20 cooperate with the inner slider 17. The molding cavity 19 mainly performs injection molding on the top position of the injection molded part, and multiple guide grooves 20 are provided, mainly cooperating with the base 16 and the inner slider 17.

[0022] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the direct-top insert linkage demolding mechanism of the automotive pillar decorative panel molding mold of this utility model has a panel 5 at the top of the upper mold base 4, and a gate 6 at the top center of the panel 5. After the upper mold base 4 slides down and closes with the lower mold base 3, an injection cavity is formed between the upper mold base 4 and the lower mold base 3, and liquid is injected into the injection cavity through the gate 6.

[0023] This utility model relates to a direct-mount insert linkage demolding mechanism for automotive pillar decorative panel molding molds. During processing, the upper mold base 4 descends and slides down to close with the lower mold base 3, forming an injection cavity between the upper mold base 4 and the lower mold base 3. The base 16 enters the interior of the guide groove 20, and the guide groove 20 presses against the inner slider 17, causing the inner slider 17 to slide. The molding insert 18, located on the inner slider 17, is pressed against the side of the injection cavity, and then flows through the gate 6 on the panel 5 towards the interior of the injection cavity. Injection allows the molten plastic to enter the injection cavity. After cooling, a through hole is formed at the molding insert 18 of the injection molded part. When the injection molded part is demolded, the cylinder 9 is activated, which pushes the stripper plate 7 upward. The inclined ejector rod 12 drives the inclined ejector block 13 to slide obliquely upward, laterally ejecting the corners of the injection molded part. At the same time, the straight ejector rod 14 directly ejects the injection molded part from the mold cavity through the straight ejector block 15. In this way, the injection molded part can be demolded in a coordinated manner, which is simple and efficient.

[0024] 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 direct-mount insert linkage demolding mechanism for forming a car pillar decorative panel mold, comprising a base plate (1), a support column (2), a lower mold base (3), and an upper mold base (4), characterized in that, The bottom plate (1) is supported by two support columns (2) at the top position of the lower mold base (3). The top position of the lower mold base (3) is provided with an upper mold base (4). A stripper plate (7) is provided between the lower mold base (3) and the bottom plate (1). A mounting seat (10) is provided on the top side of the stripper plate (7). A rotating seat (11) is movably provided inside the mounting seat (10). An inclined ejector rod (12) is movably connected inside the rotating seat (11) by a pin. An inclined ejector block (13) is connected to the top of the inclined ejector rod (12), and the inclined ejector block (13) is placed inside the lower mold base (3).

2. The straight top insert linkage ejection mechanism for an automobile pillar trim forming die according to claim 1, characterized in that, The top of the stripper plate (7) is provided with a plurality of straight push rods (14), the top of the straight push rods (14) is connected to a straight push block (15), and the straight push block (15) is placed inside the lower mold base (3).

3. The linkage demolding mechanism for the direct-top insert of the automotive pillar decorative panel forming mold according to claim 1, characterized in that, A cylinder (9) is provided at the top of the stripper plate (7), and the output end of the cylinder (9) is connected to the bottom of the lower mold base (3). A guide rod (8) is provided at the top side of the stripper plate (7), and the guide rod (8) is slidably sleeved with the side of the lower mold base (3).

4. The straight top insert linkage ejection mechanism for an automobile pillar trim forming die according to claim 1, characterized in that, The lower mold base (3) is provided with a base (16) at the top position, and an inner slider (17) is movably provided inside the base (16). One end of the inner slider (17) is connected to a molding insert (18).

5. The linkage demolding mechanism for the direct-top insert of the automotive pillar decorative panel forming mold according to claim 4, characterized in that, The upper mold base (4) has a molding cavity (19) at the bottom. The molding cavity (19) has multiple guide grooves (20) inside, and the guide grooves (20) cooperate with the inner slider (17).

6. The straight top insert linkage ejection mechanism for an automobile pillar trim forming die according to claim 1, wherein The upper mold base (4) is provided with a panel (5) at the top position, and a gate (6) is provided at the top center of the panel (5).

Images