Slider ejector mechanism for the injection mold of the lower decorative panel of the right rear pillar of the automobile

Abstract

The utility model provides a slider ejector mechanism of the injection mold for the lower decorative plate of the right rear pillar of an automobile, which belongs to the field of mold technology. It includes an upper mold plate and a lower mold plate, two symmetrically arranged molding cavities are arranged between the upper mold plate and the lower mold plate, a No. 1 side core pulling assembly is arranged at the front end of the molding cavity, and a No. 2 side core pulling assembly and a No. 3 side core pulling assembly connected to the outer wall of the molding cavity are also arranged on the lower mold plate, and the No. 2 side core pulling assembly is located on the outer wall of the molding cavity close to the No. 1 side core pulling assembly. The segmented bottom glue inlet assembly cooperates with a plurality of injection molding tubes to realize segmented multi-glue inlet bottom glue inlet, which can make the injection of the injection liquid at each position of the molding cavity more balanced, and can form the glue inlet at the bottom of the product side wall. When the product is installed, the glue inlet is in an invisible position, thereby reducing the influence of the glue inlet on the quality of the product's outer surface.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds and relates to a slider ejector mechanism of an injection mold for a lower decorative plate of a right rear pillar of an automobile. Background Art

[0002] The lower decorative panel of the right rear pillar of an automobile is generally formed by injection molding. In the prior art, when the mold of the lower decorative panel of the right rear pillar of an automobile is injected, the glue inlet flow channel is directly connected to the side of the molding cavity. After the product is formed, the glue outlet will be formed on the side wall of the product, which will affect the quality of the outer surface of the product.

[0003] For example, a Chinese patent discloses a mold core structure in a molding mold for the lower shell of an automobile B-pillar interior panel [application number: 201921478359.4], comprising a punch body, a first side slider being spliced ​​to the left side of the punch body, a second side slider being spliced ​​to the right side of the punch body, a plurality of third side sliders being spliced ​​to the front end of the punch body, and a plurality of fourth side sliders being spliced ​​to the rear end of the punch body, the punch body comprising a first insert group, a second insert group and a molding insert, the first insert group and the second insert group being spliced ​​to the left side and the right side of the molding insert respectively. Utility Model Content

[0004] The utility model aims to solve the above problems and provides a slider ejector mechanism for an injection mold of a lower decorative plate of a right rear pillar of an automobile.

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

[0006] A slider ejector mechanism of an injection mold for a lower decorative panel of a right rear pillar of an automobile comprises an upper mold plate and a lower mold plate, two symmetrically arranged molding cavities are arranged between the upper mold plate and the lower mold plate, a No. 1 side core pulling assembly is arranged at the front end of the molding cavity, a No. 2 side core pulling assembly and a No. 3 side core pulling assembly connected to the outer wall of the molding cavity are also arranged on the lower mold plate, the No. 2 side core pulling assembly is located on the outer wall of the molding cavity close to the No. 1 side core pulling assembly, the No. 3 side core pulling assembly is located on the outer wall of the molding cavity away from the No. 1 side core pulling assembly, and a plurality of segmented bottom glue inlet assemblies are also arranged between the two molding cavities.

[0007] In the above-mentioned slider ejector mechanism of the injection mold for the lower decorative panel of the right rear pillar of the automobile, the segmented bottom glue inlet assembly includes a No. 1 glue inlet flow channel, a No. 2 glue inlet flow channel and two No. 3 glue inlet flow channels, and the No. 1 glue inlet flow channel, the No. 2 glue inlet flow channel and the No. 3 glue inlet flow channel are respectively connected to the front, middle and rear sides of the inner side wall of the molding cavity through the bottom glue inlet structure.

[0008] In the above-mentioned slider ejector mechanism of the injection mold for the lower decorative panel of the right rear pillar of the automobile, the two ends of the No. 1 glue inlet flow channel and the No. 2 glue inlet flow channel are respectively connected to the two molding cavities through the bottom glue inlet structure, and the ends of the two No. 3 glue inlet flow channels are respectively connected to the two molding cavities through the bottom glue inlet structure.

[0009] In the above-mentioned slider ejector mechanism of the injection mold for the lower decorative panel of the right rear pillar of the automobile, the bottom glue feeding structure includes an inclined glue feeding groove, the lowest point of the glue feeding groove is connected to the No. 1 glue feeding channel, the No. 2 glue feeding channel or the No. 3 glue feeding channel, and the highest point of the glue feeding groove is connected to the bottom of the inner side wall of the molding cavity.

[0010] In the above-mentioned slider ejector mechanism of the injection mold for the lower decorative plate of the right rear pillar of the automobile, the diameter of the top opening of the glue inlet groove is larger than the diameter of the bottom opening of the glue inlet groove.

[0011] In the above-mentioned slider ejector mechanism of the injection mold for the lower decorative panel of the right rear pillar of the automobile, the No. 1 side core pulling assembly includes a No. 1 side insert that slides with the lower template, the inner end of the No. 1 side insert is connected to the front end of the molding cavity, and the upper template is also provided with a No. 1 driving structure that can drive the No. 1 side insert to move away from the molding cavity.

[0012] In the above-mentioned slider ejector mechanism of the injection mold for the lower decorative panel of the right rear pillar of the automobile, the No. 1 driving structure includes a No. 1 driving rod obliquely fixed on the upper mold plate, and the bottom end of the No. 1 driving rod is inserted into the No. 1 side insert and slidably cooperates with the No. 1 side insert.

[0013] In the above-mentioned slider ejector mechanism of the injection mold for the lower decorative panel of the right rear pillar of the automobile, the No. 2 side core pulling assembly includes a No. 2 side insert that slides with the lower mold plate, the inner end of the No. 2 side insert is connected to the outer side wall of the molding cavity, and the upper mold plate is also provided with a No. 2 drive structure.

[0014] In the above-mentioned slider ejector mechanism of the injection mold for the lower decorative panel of the right rear pillar of the automobile, the No. 3 side core pulling assembly includes a No. 3 side insert that slides with the lower mold plate, the inner end of the No. 3 side insert is connected to the outer side wall of the molding cavity, and the upper mold plate is also provided with a No. 3 drive structure.

[0015] In the above-mentioned slider ejector mechanism of the injection mold for the lower decorative plate of the right rear pillar of the automobile, the No. 2 driving structure includes a No. 2 driving rod obliquely fixed on the upper mold plate, and the bottom end of the No. 2 driving rod is inserted into the No. 2 side insert and slidably cooperates with the No. 2 side insert;

[0016] The No. 3 driving structure comprises a No. 3 driving rod which is fixed obliquely on the upper template, and the bottom end of the No. 3 driving rod is inserted into the No. 3 side insert block and slidably cooperates with the No. 3 side insert block.

[0017] Compared with the existing technology, the advantages of the utility model are:

[0018] 1. The segmented bottom glue inlet assembly can be combined with multiple injection tubes to realize segmented multi-glue inlet at the bottom. While making the injection of the injection liquid at each position of the molding cavity more evenly injected, the glue inlet can be formed at the bottom of the product side wall. When the product is installed, the glue inlet is in an invisible position, thereby reducing the impact of the glue inlet on the quality of the product's outer surface.

[0019] 2. After the product is injection molded, when the upper mold plate moves upward, the No. 1 side core pulling assembly, the No. 2 side core pulling assembly and the No. 3 side core pulling assembly can realize automatic core pulling without setting a drive, thus reducing the overall cost of the mold.

[0020] 3. One No. 1 glue inlet runner, one No. 2 glue inlet runner and two No. 3 glue inlet runners each correspond to an injection tube. The segmented No. 1 glue inlet runner, No. 2 glue inlet runner and No. 3 glue inlet runner can make the injection of the injection liquid at each position of the molding cavity more balanced. The bottom glue inlet structure can make the glue port formed at the bottom of the product side wall, thereby reducing the influence of the glue port on the quality of the product's outer surface.

[0021] 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

[0022] Figure 1 It is a schematic diagram of the external structure of the utility model;

[0023] Figure 2 It is a structural diagram of the lower template;

[0024] Figure 3 It is a partial structural schematic diagram of the utility model;

[0025] Figure 4 yes Figure 2 A magnified schematic diagram of center A.

[0026] In the figure, the upper template 1, the lower template 2, the molding cavity 3, the No. 1 side core pulling assembly 4, the No. 2 side core pulling assembly 5, the No. 3 side core pulling assembly 6, the segmented bottom glue inlet assembly 7, the No. 1 glue inlet flow channel 8, the No. 2 glue inlet flow channel 9, the No. 3 glue inlet flow channel 10, the bottom glue inlet structure 11, the glue inlet groove 12, the No. 1 side insert 13, the No. 1 driving rod 14, the No. 2 side insert 15, the No. 3 side insert 16, the No. 2 driving rod 17, and the No. 3 driving rod 18. DETAILED DESCRIPTION

[0027] like Figure 1-Figure 4As shown, a slider ejector mechanism of an injection mold for a lower decorative panel of a right rear pillar of an automobile comprises an upper template 1 and a lower template 2, two symmetrically arranged molding cavities 3 are arranged between the upper template 1 and the lower template 2, a No. 1 side core pulling assembly 4 is arranged at the front end of the molding cavity 3, and a No. 2 side core pulling assembly 5 and a No. 3 side core pulling assembly 6 connected to the outer wall of the molding cavity 3 are also arranged on the lower template 2, the No. 2 side core pulling assembly 5 is located on the outer wall of the molding cavity 3 close to the No. 1 side core pulling assembly 4, the No. 3 side core pulling assembly 6 is located on the outer wall of the molding cavity 3 away from the No. 1 side core pulling assembly 4, and a plurality of segmented bottom glue inlet assemblies 7 are also arranged between the two molding cavities 3.

[0028] In the utility model, the segmented bottom glue inlet assembly 7 cooperates with multiple injection tubes to realize segmented multi-glue inlet bottom glue inlet, which can make the injection of injection liquid at each position of the molding cavity more balanced, and at the same time, the glue inlet can be formed at the bottom of the product side wall. After the product is installed, the glue inlet is in an invisible position, thereby reducing the influence of the glue inlet on the quality of the product outer surface;

[0029] Secondly, after the product is injection molded, when the upper mold plate moves upward, the No. 1 side core pulling assembly 4, the No. 2 side core pulling assembly 5 and the No. 3 side core pulling assembly 6 can realize automatic core pulling without setting up a drive, thereby reducing the overall cost of the mold.

[0030] Specifically, the segmented bottom glue feed assembly 7 includes a No. 1 glue feed channel 8, a No. 2 glue feed channel 9 and two No. 3 glue feed channels 10, and the No. 1 glue feed channel 8, the No. 2 glue feed channel 9 and the No. 3 glue feed channel 10 are respectively connected to the front, middle and rear sides of the inner wall of the molding cavity 3 through the bottom glue feed structure 11. One No. 1 glue feed channel 8, one No. 2 glue feed channel 9 and two No. 3 glue feed channels 10 each correspond to an injection tube, and the No. 1 glue feed channel 8, the No. 2 glue feed channel 9 and the No. 3 glue feed channel 10 arranged in segments can make the injection of the injection liquid at each position of the molding cavity more balanced, and the bottom glue feed structure can make the glue port formed at the bottom of the product side wall, thereby reducing the influence of the glue port on the quality of the outer surface of the product.

[0031] Specifically, the ends of the No. 1 glue inlet flow channel 8 and the No. 2 glue inlet flow channel 9 are respectively connected to the two molding cavities 3 through the bottom glue inlet structure 11, and the ends of the two No. 3 glue inlet flow channels 10 are respectively connected to the two molding cavities 3 through the bottom glue inlet structure 11. The bottom glue inlet structure 11 includes an inclined glue inlet groove 12, the lowest point of which is connected to the No. 1 glue inlet flow channel 8, the No. 2 glue inlet flow channel 9 or the No. 3 glue inlet flow channel 10, and the highest point of the glue inlet groove 12 is connected to the bottom of the inner side wall of the molding cavity 3. The glue inlet groove 12 can inject the injection liquid into the molding cavity from the bottom of the side wall of the molding cavity, so that the glue port can be formed at the bottom of the side wall of the product, thereby reducing the influence of the glue port on the quality of the outer surface of the product.

[0032] Preferably, the diameter of the top opening of the glue feeding groove 12 is larger than the diameter of the bottom opening of the glue feeding groove 12 .

[0033] Specifically, the No. 1 side core-pulling assembly 4 includes a No. 1 side insert 13 that is slidably matched with the lower template 2, the inner end of the No. 1 side insert 13 is connected to the front end of the molding cavity 3, and the upper template 1 is also provided with a No. 1 driving structure that can drive the No. 1 side insert 13 to move away from the molding cavity 3, and the No. 1 driving structure includes a No. 1 driving rod 14 that is obliquely fixed on the upper template 1, and the bottom end of the No. 1 driving rod 14 is inserted into the No. 1 side insert 13 and slidably matched with the No. 1 side insert 13. When the upper template moves upward, it can drive the inclined No. 1 driving rod 14 to move vertically upward, and the vertical upward movement of the No. 1 driving rod can drive the No. 1 side insert 13 to move away from the molding cavity 3, thereby realizing the automatic core-pulling of the No. 1 side insert.

[0034] Specifically, the No. 2 side core pulling assembly 5 includes a No. 2 side insert 15 that slides with the lower template 2, the inner end of the No. 2 side insert 15 is connected to the outer wall of the molding cavity 3, and the upper template 1 is also provided with a No. 2 driving structure, and the No. 3 side core pulling assembly 6 includes a No. 3 side insert 16 that slides with the lower template 2, the inner end of the No. 3 side insert 16 is connected to the outer wall of the molding cavity 3, and the upper template 1 is also provided with a No. 3 driving structure, the No. 2 driving structure includes a No. 2 driving rod 17 obliquely fixed on the upper template 1, the bottom end of the No. 2 driving rod 17 is inserted into the No. 2 side insert 15 and slides with the No. 2 side insert 15; the No. 3 driving structure includes a No. 3 driving rod 18 obliquely fixed on the upper template 1, the bottom end of the No. 3 driving rod 18 is inserted into the No. 3 side insert 16 and slides with the No. 3 side insert 16. When the upper template moves upward, it can drive the inclined No. 2 driving rod and No. 3 driving rod to move vertically upward. The vertical upward movement of the No. 2 driving rod can drive the No. 2 side insert to move away from the molding cavity, thereby realizing automatic core pulling of the No. 2 side insert. The vertical upward movement of the No. 3 driving rod can drive the No. 3 side insert to move away from the molding cavity, thereby realizing automatic core pulling of the No. 3 side insert.

[0035] The working principle of the utility model is as follows: the segmented bottom glue feeding component 7 cooperates with multiple injection tubes to realize segmented multi-glue-inlet bottom glue feeding, which can make the injection of the injection liquid at each position of the molding cavity more balanced, and at the same time, the glue port can be formed at the bottom of the product side wall. After the product is installed, the glue port is in an invisible position, thereby reducing the influence of the glue port on the quality of the product's outer surface. After the product is injection molded, when the upper mold plate moves upward, the No. 1 side core pulling component 4, the No. 2 side core pulling component 5 and the No. 3 side core pulling component 6 can realize automatic core pulling without setting a driver, thereby reducing the overall cost of the mold;

[0036] One No. 1 glue inlet channel 8, one No. 2 glue inlet channel 9 and two No. 3 glue inlet channels 10 each correspond to an injection tube. The No. 1 glue inlet channel 8, the No. 2 glue inlet channel 9 and the No. 3 glue inlet channel 10 are arranged in sections, so that the injection of the injection liquid at each position of the molding cavity can be more balanced. The bottom glue inlet structure can form the glue port at the bottom of the product side wall, thereby reducing the influence of the glue port on the quality of the product outer surface. The glue inlet groove 12 can inject the injection liquid into the molding cavity from the bottom of the side wall of the molding cavity, so that the glue port can be formed at the bottom of the side wall of the product, thereby reducing the influence of the glue port on the quality of the product outer surface.

[0037] When the upper template moves upward, it can drive the inclined No. 1 driving rod 14 to move vertically upward. The vertical upward movement of the No. 1 driving rod can drive the No. 1 side insert 13 to move away from the molding cavity 3, thereby realizing the automatic core pulling of the No. 1 side insert. When the upper template moves upward, it can drive the inclined No. 2 driving rod and the No. 3 driving rod to move vertically upward. The vertical upward movement of the No. 2 driving rod can drive the No. 2 side insert to move away from the molding cavity, thereby realizing the automatic core pulling of the No. 2 side insert. The vertical upward movement of the No. 3 driving rod can drive the No. 3 side insert to move away from the molding cavity, thereby realizing the automatic core pulling of the No. 3 side insert.

[0038] The specific embodiments described herein are merely examples of the spirit of the present invention. A person skilled in the art of the present invention may make various modifications or additions to the specific embodiments described or replace them in a similar manner, but this will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0039] Although this article uses the upper template 1, the lower template 2, the molding cavity 3, the No. 1 side core pulling assembly 4, the No. 2 side core pulling assembly 5, the No. 3 side core pulling assembly 6, the segmented bottom glue inlet assembly 7, the No. 1 glue inlet flow channel 8, the No. 2 glue inlet flow channel 9, the No. 3 glue inlet flow channel 10, the bottom glue inlet structure 11, the glue inlet groove 12, the No. 1 side insert 13, the No. 1 drive rod 14, the No. 2 side insert 15, the No. 3 side insert 16, the No. 2 drive rod 17, the No. 3 drive rod 18, etc. more frequently, these terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A slider ejector mechanism for an injection mold of a lower decorative plate of a right rear pillar of an automobile, comprising an upper mold plate (1) and a lower mold plate (2), characterized in that: Two symmetrically arranged molding cavities (3) are arranged between the upper template (1) and the lower template (2), a No. 1 side core pulling assembly (4) is arranged at the front end of the molding cavity (3), and a No. 2 side core pulling assembly (5) and a No. 3 side core pulling assembly (6) connected to the outer wall of the molding cavity (3) are also arranged on the lower template (2), the No. 2 side core pulling assembly (5) is located on the outer wall of the molding cavity (3) close to the No. 1 side core pulling assembly (4), and the No. 3 side core pulling assembly (6) is located on the outer wall of the molding cavity (3) away from the No. 1 side core pulling assembly (4), and a plurality of segmented bottom glue feeding assemblies (7) are also arranged between the two molding cavities (3).

2. The slider ejector mechanism of the injection mold for the lower right rear pillar decorative plate of an automobile according to claim 1, characterized in that: The segmented bottom glue feeding assembly (7) comprises a No. 1 glue feeding channel (8), a No. 2 glue feeding channel (9) and two No. 3 glue feeding channels (10), and the No. 1 glue feeding channel (8), the No. 2 glue feeding channel (9) and the No. 3 glue feeding channel (10) are respectively connected to the front, middle and rear sides of the inner wall of the molding cavity (3) through the bottom glue feeding structure (11).

3. The slider ejector mechanism of the injection mold for the lower right rear pillar decorative plate of an automobile according to claim 2, characterized in that: The ends of the No. 1 glue inlet flow channel (8) and the No. 2 glue inlet flow channel (9) are respectively connected to the two molding cavities (3) through the bottom glue inlet structure (11), and the ends of the two No. 3 glue inlet flow channels (10) are respectively connected to the two molding cavities (3) through the bottom glue inlet structure (11).

4. The slider ejector mechanism of the injection mold for the lower right rear pillar decorative plate of an automobile according to claim 3, characterized in that: The bottom glue feeding structure (11) comprises a glue feeding groove (12) arranged obliquely, the lowest point of the glue feeding groove (12) is connected to the first glue feeding channel (8), the second glue feeding channel (9) or the third glue feeding channel (10), and the highest point of the glue feeding groove (12) is connected to the bottom of the inner wall of the molding cavity (3).

5. The slider ejector mechanism of the injection mold for the lower right rear pillar decorative plate of an automobile according to claim 4, characterized in that: The diameter of the top opening of the glue inlet groove (12) is larger than the diameter of the bottom opening of the glue inlet groove (12).

6. The slider ejector mechanism of the injection mold for the lower right rear pillar decorative plate of an automobile according to claim 1, characterized in that: The No. 1 side core pulling assembly (4) includes a No. 1 side insert (13) that is slidably matched with the lower template (2), the inner end of the No. 1 side insert (13) is connected to the front end of the molding cavity (3), and the upper template (1) is also provided with a No. 1 driving structure that can drive the No. 1 side insert (13) to move away from the molding cavity (3).

7. The slider ejector mechanism of the injection mold for the lower right rear pillar decorative plate of an automobile according to claim 6, characterized in that: The No. 1 driving structure comprises a No. 1 driving rod (14) which is obliquely fixed on the upper template (1), and the bottom end of the No. 1 driving rod (14) is inserted into the No. 1 side insert block (13) and slidably cooperates with the No. 1 side insert block (13).

8. The slider ejector mechanism of the injection mold for the lower right rear pillar decorative plate of an automobile according to claim 1, characterized in that: The No. 2 side core pulling assembly (5) comprises a No. 2 side insert (15) which is slidably matched with the lower template (2), the inner end of the No. 2 side insert (15) is connected to the outer side wall of the molding cavity (3), and the upper template (1) is also provided with a No. 2 driving structure.

9. The slider ejector mechanism of the injection mold for the lower right rear pillar decorative plate of an automobile according to claim 8, characterized in that: The No. 3 side core pulling assembly (6) includes a No. 3 side insert (16) that is slidably matched with the lower template (2), the inner end of the No. 3 side insert (16) is connected to the outer side wall of the molding cavity (3), and the upper template (1) is also provided with a No. 3 driving structure.

10. The slider ejector mechanism of the injection mold for the lower right rear pillar decorative plate of an automobile according to claim 9, characterized in that: The No. 2 driving structure comprises a No. 2 driving rod (17) which is obliquely fixed on the upper template (1), and the bottom end of the No. 2 driving rod (17) is inserted into the No. 2 side insert block (15) and slidably cooperates with the No. 2 side insert block (15); The No. 3 driving structure comprises a No. 3 driving rod (18) which is obliquely fixed on the upper template (1), and the bottom end of the No. 3 driving rod (18) is inserted into the No. 3 side insert block (16) and slidably cooperates with the No. 3 side insert block (16).

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