Speaker molding automobile door panel injection mold exhaust structure

Abstract

The utility model provides an exhaust structure of a horn-molding automobile door panel injection mold, which belongs to the field of mold technology. It includes a lower mold plate, the lower mold plate is provided with a lower molding surface with a hollow portion, an injection molding liquid diverter plate is provided just above the lower mold plate, and two No. 1 external injection molding tubes, a No. 2 external injection molding tube and an inner injection molding tube are fixedly connected to the bottom of the injection molding liquid diverter plate, and the No. 1 external injection molding tube is connected to the outer side of the lower molding surface through a double-outlet bottom injection structure provided on the lower mold plate. Through the No. 1 external injection molding tube and the No. 2 external injection molding tube provided on the injection molding liquid diverter plate, glue can be introduced from the outer side of the molding cavity into the molding cavity located at the lower molding surface. Secondly, the present application makes full use of the hollow portion of the door panel product. By providing an inner injection flow channel in the hollow portion to cooperate with the inner injection molding tube, glue can be introduced from the inner side of the molding cavity into the molding cavity. The synchronous injection of the inside and outside can make the injection of the injection molding liquid more uniform, and can also improve the injection molding efficiency.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds and relates to an exhaust structure of a horn-molding automobile door panel injection mold. Background Art

[0002] Automobile door panels are generally formed by injection molding. Due to the large area of ​​automobile door panels, multi-point injection is often used during injection molding. However, the injection molding mechanism of automobile door panels in the prior art mostly injects glue into the molding cavity from the outside of the molding cavity, and the injection efficiency is low.

[0003] For example, a Chinese patent discloses an injection mold for an automobile door panel trim [application number: 202020609267.1], comprising a device body, a top plate and a ejector plate, wherein the upper end of the device body is connected to a movable mold mechanism, and the front end of the movable mold mechanism is connected to a lifting assembly, the lower end of the top plate is connected to a film fixing mechanism, and the outer side of the film fixing mechanism is connected to an injection tube, the right end of the movable mold mechanism is connected to a cooling tube group, and the right end of the movable mold mechanism is connected to a heat flow tube group, and a travel switch is connected to the outer side of one end of the movable mold mechanism, one end of the travel switch is connected to a connecting rod, and the other end of the connecting rod is connected to a mounting seat, and a cylinder is provided in the mounting seat. Utility Model Content

[0004] The utility model aims to solve the above problems and provides an exhaust structure of a trumpet-molded automobile door panel injection mold.

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

[0006] A horn-molding automobile door panel injection mold exhaust structure comprises a lower template, the lower template is provided with a lower molding surface with a hollow portion, an injection molding liquid diverter plate is arranged directly above the lower template, two No. 1 external injection molding tubes, one No. 2 external injection molding tube and one inner injection molding tube are fixedly connected to the bottom of the injection molding liquid diverter plate, the No. 1 external injection molding tube is connected to the outer side of the lower molding surface through a double-outlet bottom injection structure arranged on the lower template, the No. 2 external injection molding tube is connected to the outer side of the lower molding surface through a single-outlet bottom injection structure arranged on the lower template, an inner injection flow channel connected to the inner injection molding tube is arranged inwardly on the hollow portion, one end of the inner injection flow channel is connected to the inner side of the lower molding surface through the single-outlet bottom injection structure, and the other end is connected to the inner side of the lower molding surface through an oblique bottom injection structure.

[0007] In the above-mentioned exhaust structure of the horn-molding automobile door panel injection mold, the dual-outlet bottom glue inlet structure includes a dual-outlet glue inlet slider, the dual-outlet glue inlet slider is inwardly recessed and provided with a dual-outlet glue inlet flow channel connected to the bottom of a No. 1 external injection tube, and the dual-outlet glue inlet slider is also provided with two No. 1 tunnel-type glue inlet flow channels respectively connected to the two ends of the dual-outlet glue inlet flow channel, the cross-section of the No. 1 tunnel-type glue inlet flow channel is arc-shaped and is arranged inside the dual-outlet glue inlet slider, the inner end of the No. 1 tunnel-type glue inlet flow channel is connected to the bottom of the dual-outlet glue inlet flow channel, and the outer end opening of the No. 1 tunnel-type glue inlet flow channel is located at the top of the dual-outlet glue inlet slider and is connected to the bottom surface of the outer side of the lower molding surface.

[0008] In the above-mentioned exhaust structure of the horn-molding automobile door panel injection mold, the dual-outlet glue inlet slider includes a dual-outlet middle slider and two dual-outlet outer sliders respectively arranged on both sides of the dual-outlet middle slider, and the two dual-outlet glue inlet flow channels are both arranged between the dual-outlet middle slider and the dual-outlet outer slider.

[0009] In the above-mentioned horn-molding automobile door panel injection mold exhaust structure, the single-way bottom glue inlet structure includes a single-way glue inlet slider, the single-way glue inlet slider is recessed inwardly and provided with a single-way glue inlet flow channel, the single-way glue inlet slider is also provided with a No. 2 tunnel-type glue inlet flow channel, the No. 2 tunnel-type glue inlet flow channel is arranged inside the single-way glue inlet slider, the inner end of the No. 2 tunnel-type glue inlet flow channel is connected to the bottom of the single-way glue inlet flow channel, and the outer end opening of the No. 2 tunnel-type glue inlet flow channel is located at the top of the single-way glue inlet slider.

[0010] In the above-mentioned exhaust structure of the horn-molding automobile door panel injection mold, the single-way glue feed channel on the single-way glue feed slider connected to the outer side of the lower molding surface is connected to the bottom of the No. 2 outer injection tube, and the outer end opening of the No. 2 tunnel-type glue feed channel on the single-way glue feed slider is located on the bottom surface of the outer side of the lower molding surface; the single-way glue feed channel on the single-way glue feed slider connected to the inner side of the lower molding surface is connected to the inner glue feed channel, and the outer end opening of the No. 2 tunnel-type glue feed channel on the single-way glue feed slider is located on the bottom surface of the inner side of the lower molding surface.

[0011] In the above-mentioned exhaust structure of the trumpet-molded automobile door panel injection mold, the single-way glue inlet slider is composed of two single-way side sliders, and the second tunnel-type glue inlet flow channel is arranged between the two single-way side sliders.

[0012] In the above-mentioned exhaust structure of the injection mold for the trumpet-molded automobile door panel, the outer end openings of the No. 1 tunnel-type glue inlet flow channel and the No. 2 tunnel-type glue inlet flow channel are flat.

[0013] In the above-mentioned trumpet-molding automobile door panel injection mold exhaust structure, the oblique bottom glue inlet structure includes an oblique bottom glue inlet channel connected to the inner glue inlet channel, and the opening top of the oblique bottom glue inlet channel is connected to the bottom surface inside the lower molding surface.

[0014] In the above-mentioned exhaust structure of the trumpet-molding automobile door panel injection mold, the lower mold plate is also provided with an exhaust flow channel arranged circumferentially along the outer periphery of the lower molding surface.

[0015] In the above-mentioned exhaust structure of the speaker-molding automobile door panel injection mold, a speaker mesh molding block having a speaker mesh molding structure is detachably provided on the lower mold plate.

[0016] Compared with the existing technology, the advantages of the utility model are:

[0017] 1. By setting the No. 1 external injection tube and the No. 2 external injection tube on the injection liquid diversion plate, glue can be injected from the outside of the molding cavity to the molding cavity located at the lower molding surface. Secondly, the present application makes full use of the hollow part of the door panel product. By setting an internal glue injection channel in the hollow part in conjunction with the internal injection tube, glue can be injected from the inside of the molding cavity into the molding cavity. The synchronous injection of glue inside and outside can make the injection of the injection liquid more uniform and improve the injection efficiency.

[0018] 2. The double-outlet bottom glue inlet structure, the single-outlet bottom glue inlet structure and the oblique bottom glue inlet structure arranged on the lower template can form the glue outlet of the product on the back of the product, thereby reducing the influence of the glue outlet on the outer surface quality of the product.

[0019] 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

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a structural diagram of the lower template;

[0022] Figure 3 yes Figure 2 The enlarged schematic diagram of point A in the middle;

[0023] Figure 4 yes Figure 2 The enlarged schematic diagram of point B in the middle;

[0024] Figure 5 It is a schematic diagram of the partial structure of the double-outlet glue-feeding slider;

[0025] Figure 6 It is a schematic diagram of the partial structure of a single-way glue-feeding slider.

[0026] In the figure, the lower template 1, the hollow part 2, the lower molding surface 3, the injection liquid diverter plate 4, the No. 1 outer injection molding tube 5, the No. 2 outer injection molding tube 6, the inner injection molding tube 7, the double-outlet bottom glue inlet structure 8, the single-outlet bottom glue inlet structure 9, the inner glue inlet flow channel 10, the double-outlet glue inlet slider 11, the double-outlet glue inlet flow channel 12, the No. 1 tunnel-type glue inlet flow channel 13, the double-outlet middle slider 14, the double-outlet outer slider 15, the single-outlet glue inlet slider 16, the single-outlet glue inlet flow channel 17, the No. 2 tunnel-type glue inlet flow channel 18, the single-outlet side slider 19, the oblique bottom glue inlet flow channel 20, the exhaust flow channel 21, and the speaker mesh forming block 22. DETAILED DESCRIPTION

[0027] like Figure 1-Figure 6 As shown, a trumpet-molded automobile door panel injection mold exhaust structure comprises a lower template 1, the lower template 1 is provided with a lower molding surface 3 with a hollow portion 2, an injection molding liquid diverter plate 4 is arranged directly above the lower template 1, two No. 1 external injection molding tubes 5, a No. 2 external injection molding tube 6 and an inner injection molding tube 7 are fixedly connected to the bottom of the injection molding liquid diverter plate 4, the No. 1 external injection molding tube 5 is connected to the outer side of the lower molding surface 3 through a double-outlet bottom injection structure 8 arranged on the lower template 1, the No. 2 external injection molding tube 6 is connected to the outer side of the lower molding surface 3 through a single-outlet bottom injection structure 9 arranged on the lower template 1, an inner injection flow channel 10 connected to the inner injection molding tube 7 is arranged inwardly on the hollow portion 2, one end of the inner injection flow channel 10 is connected to the inner side of the lower molding surface 3 through the single-outlet bottom injection structure 9 and the other end is connected to the inner side of the lower molding surface 3 through the oblique bottom injection structure.

[0028] In the utility model, the first outer injection tube 5 and the second outer injection tube 6 arranged on the injection liquid diverter plate 4 can be used to inject glue from the outside of the molding cavity to the molding cavity located at the lower molding surface. Secondly, the present application makes full use of the hollow part of the door panel product. By arranging an inner injection flow channel in the hollow part to cooperate with the inner injection tube 7, glue can be injected from the inside of the molding cavity to the molding cavity. The synchronous injection of the inside and outside can make the injection of the injection liquid more uniform and improve the injection efficiency.

[0029] Furthermore, the double-outlet bottom glue inlet structure 8, the single-outlet bottom glue inlet structure 9 and the oblique bottom glue inlet structure arranged on the lower template can form the glue outlet of the product on the back of the product, thereby reducing the impact of the glue outlet on the outer surface quality of the product.

[0030] Specifically, the dual-outlet bottom glue inlet structure 8 includes a dual-outlet glue inlet slider 11, and the dual-outlet glue inlet slider 11 is recessed inwardly and provided with a dual-outlet glue inlet flow channel 12 connected to the bottom of the No. 1 external injection tube 5. The dual-outlet glue inlet slider 11 is also provided with two No. 1 tunnel-type glue inlet flow channels 13 respectively connected to the two ends of the dual-outlet glue inlet flow channel 12. The cross-section of the No. 1 tunnel-type glue inlet flow channel 13 is arc-shaped and is arranged inside the dual-outlet glue inlet slider 11. The inner end of the No. 1 tunnel-type glue inlet flow channel 13 is connected to the bottom of the dual-outlet glue inlet flow channel 12, and the outer end opening of the No. 1 tunnel-type glue inlet flow channel 13 is located at the top of the dual-outlet glue inlet slider 11 and is connected to the bottom surface of the outer side of the lower molding surface 3. The No. 1 external injection tube 5 can inject the injection liquid into the dual-outlet glue inlet flow channel 12 on the dual-outlet glue inlet slider 11. The injection liquid can be diverted to two No. 1 tunnel-type glue inlet flow channels 13 through the dual-outlet glue inlet flow channel 12, and then the injection liquid is injected into the molding cavity from the bottom of the outer side of the molding cavity through the No. 1 tunnel-type glue inlet flow channel 13, so that the glue port of the product can be formed on the back of the product, thereby reducing the influence of the glue port on the outer surface quality of the product. The dual-outlet glue inlet can also make the injection of the injection liquid more uniform.

[0031] Preferably, the dual-way glue inlet slider 11 includes a dual-way middle slider 14 and two dual-way outer sliders 15 respectively arranged on both sides of the dual-way middle slider 14, and the two dual-way glue inlet channels 12 are arranged between the dual-way middle slider 14 and the dual-way outer slider 15. Splitting the dual-way glue inlet slider 11 into a dual-way middle slider 14 and two dual-way outer sliders 15 and arranging the No. 1 tunnel-type glue inlet channel 13 between the dual-way middle slider 14 and the dual-way outer slider 15 can facilitate the cleaning of the residual material in the No. 1 tunnel-type glue inlet channel 13.

[0032] Specifically, the single-way bottom glue feeding structure 9 includes a single-way glue feeding slider 16, and a single-way glue feeding flow channel 17 is provided on the single-way glue feeding slider 16. The single-way glue feeding slider 16 is also provided with a second tunnel-type glue feeding flow channel 18, and the second tunnel-type glue feeding flow channel 18 is arranged inside the single-way glue feeding slider 16. The inner end of the second tunnel-type glue feeding flow channel 18 is connected to the bottom of the single-way glue feeding flow channel 17, and the outer end opening of the second tunnel-type glue feeding flow channel 18 is located at the single-way glue feeding slider 16. At the top, the single-way glue feed channel 17 on the single-way glue feed slider 16 connected to the outer side of the lower molding surface 3 is connected to the bottom of the No. 2 outer injection molding tube 6, and the outer end opening of the No. 2 tunnel-type glue feed channel 18 on the single-way glue feed slider 16 is located on the bottom surface of the outer side of the lower molding surface 3; the single-way glue feed channel 17 on the single-way glue feed slider 16 connected to the inner side of the lower molding surface 3 is connected to the inner glue feed channel 10, and the outer end opening of the No. 2 tunnel-type glue feed channel 18 on the single-way glue feed slider 16 is located on the bottom surface of the inner side of the lower molding surface 3. The injection liquid can be injected into the single-way glue inlet channel 17 on the single-way glue inlet slider 16 through the No. 2 external injection tube 6, and the injection liquid can be injected into the No. 2 tunnel-type glue inlet channel 18 through the single-way glue inlet channel 17, and then the injection liquid can be injected into the molding cavity from the bottom of the outside of the molding cavity through the No. 2 tunnel-type glue inlet channel 18. Secondly, the injection liquid injected by the inner injection tube can be brought into the No. 2 tunnel-type glue inlet channel 18 through the inner glue inlet channel 10, and then the injection liquid can be injected into the molding cavity from the bottom of the inside of the molding cavity through the No. 2 tunnel-type glue inlet channel 18, so that the glue port of the product can be formed on the back of the product, thereby reducing the influence of the glue port on the quality of the outer surface of the product.

[0033] Preferably, the single-way glue inlet slider 16 is composed of two single-way side sliders 19, and the second tunnel-type glue inlet flow channel 18 is arranged between the two single-way side sliders 19. Splitting the single-way glue inlet slider 16 into two single-way side sliders 19 and arranging the second tunnel-type glue inlet flow channel on the two single-way side sliders 19 can facilitate the cleaning of the residual material in the second tunnel-type glue inlet flow channel.

[0034] Preferably, the outer end openings of the No. 1 tunnel-type glue inlet flow channel 13 and the No. 2 tunnel-type glue inlet flow channel 18 are flat, which can reduce the area of ​​the glue outlet and facilitate later removal.

[0035] Specifically, the oblique bottom glue inlet structure includes an oblique bottom glue inlet flow channel 20 connected to the inner glue inlet flow channel 10, and the top of the opening of the oblique bottom glue inlet flow channel 20 is connected to the bottom surface of the inner side of the lower molding surface 3. The injection liquid injected by the inner injection tube can be brought into the oblique bottom glue inlet flow channel 20 through the inner glue inlet flow channel 10, and then the injection liquid is injected into the molding cavity from the bottom of the inner side of the molding cavity through the oblique bottom glue inlet flow channel 20, so that the glue port of the product can be formed on the back of the product, thereby reducing the influence of the glue port on the outer surface quality of the product.

[0036] Preferably, the lower mold plate 1 is further provided with an exhaust channel 21 arranged circumferentially along the outer periphery of the lower molding surface 3. The exhaust channel can exhaust the gas in the molding cavity when the molding cavity is filled with glue.

[0037] Specifically, a speaker mesh forming block 22 having a speaker mesh forming structure is detachably provided on the lower template 1. The speaker mesh forming block 22 having a speaker mesh forming structure can form a speaker mesh structure on the product during product injection molding.

[0038] The working principle of the utility model is: by setting the No. 1 outer injection tube 5 and the No. 2 outer injection tube 6 on the injection liquid diverter plate 4, glue can be fed from the outside of the molding cavity to the molding cavity located at the lower molding surface. Secondly, the application makes full use of the hollow part of the door panel product. By setting an internal glue feeding channel in the hollow part to cooperate with the internal injection tube 7, glue can be fed from the inside of the molding cavity to the molding cavity. The synchronous glue feeding inside and outside can make the injection of the injection liquid more uniform and improve the injection efficiency. The double-outlet bottom glue feeding structure 8, the single-outlet bottom glue feeding structure 9 and the oblique bottom glue feeding structure arranged on the lower template can make the glue port of the product formed on the back of the product, thereby reducing the influence of the glue port on the quality of the outer surface of the product;

[0039] The No. 1 external injection tube 5 can inject the injection liquid into the double-outlet glue inlet flow channel 12 on the double-outlet glue inlet slider 11, and the injection liquid can be diverted to the two No. 1 tunnel-type glue inlet flow channels 13 through the double-outlet glue inlet flow channel 12, and then the injection liquid is injected into the molding cavity from the bottom of the outer side of the molding cavity through the No. 1 tunnel-type glue inlet flow channel 13, so that the glue port of the product can be formed on the back of the product, thereby reducing the influence of the glue port on the outer surface quality of the product. The double-outlet glue inlet can also make the injection of the injection liquid more uniform. The double-outlet glue inlet slider 11 is split into a double-outlet middle slider 14 and two double-outlet outer sliders 15, and the No. 1 tunnel-type glue inlet flow channel 13 is set between the double-outlet middle slider 14 and the double-outlet outer slider 15, so that the residual material in the No. 1 tunnel-type glue inlet flow channel 13 can be easily cleaned;

[0040] The injection liquid can be injected into the single-way glue inlet flow channel 17 on the single-way glue inlet slider 16 through the second external injection tube 6, and the injection liquid can be injected into the second tunnel-type glue inlet flow channel 18 through the single-way glue inlet flow channel 17, and then the injection liquid is injected into the molding cavity from the bottom of the outer side of the molding cavity through the second tunnel-type glue inlet flow channel 18. Secondly, the injection liquid injected by the inner injection tube can be brought into the second tunnel-type glue inlet flow channel 18 through the inner glue inlet flow channel 10, and then the injection liquid is injected into the molding cavity from the bottom of the inner side of the molding cavity through the second tunnel-type glue inlet flow channel 18, so that the glue port of the product can be formed on the back of the product. Thus, the influence of the glue inlet on the outer surface quality of the product can be reduced. The single-way glue inlet slider 16 is split into two single-way side sliders 19 and the second tunnel-type glue inlet flow channel is arranged on the two single-way side sliders 19, so that the residual material in the second tunnel-type glue inlet flow channel can be easily cleaned. The injection liquid injected by the inner injection tube can be brought into the oblique bottom glue inlet flow channel 20 through the inner glue inlet flow channel 10, and then the injection liquid is injected into the molding cavity from the bottom of the inner side of the molding cavity through the oblique bottom glue inlet flow channel 20, so that the glue inlet of the product can be formed on the back of the product, thereby reducing the influence of the glue inlet on the outer surface quality of the product;

[0041] The exhaust flow channel can exhaust the gas in the molding cavity when the molding cavity is filled with glue, and the speaker mesh molding block 22 with the speaker mesh molding structure can mold the speaker mesh structure on the product during product injection molding.

[0042] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0043] Although this article uses the lower template 1, hollow part 2, lower molding surface 3, injection liquid diverter plate 4, No. 1 outer injection molding tube 5, No. 2 outer injection molding tube 6, inner injection molding tube 7, dual-outlet bottom glue inlet structure 8, single-outlet bottom glue inlet structure 9, inner glue inlet channel 10, dual-outlet glue inlet slider 11, dual-outlet glue inlet channel 12, No. 1 tunnel-type glue inlet channel 13, dual-outlet middle slider 14, dual-outlet outer slider 15, single-outlet glue inlet slider 16, single-outlet glue inlet channel 17, No. 2 tunnel-type glue inlet channel 18, single-outlet side slider 19, oblique bottom glue inlet channel 20, exhaust channel 21, speaker mesh forming block 22, 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 trumpet-shaped automobile door panel injection mold exhaust structure, comprising a lower mold plate (1), characterized in that: The lower mold plate (1) is provided with a lower molding surface (3) having a hollow portion (2), and an injection liquid diverter plate (4) is provided directly above the lower mold plate (1). Two No. 1 external injection molding tubes (5), a No. 2 external injection molding tube (6) and an internal injection molding tube (7) are fixedly connected to the bottom of the injection liquid diverter plate (4). The No. 1 external injection molding tube (5) is connected to the outer side of the lower molding surface (3) through a double-outlet bottom injection structure (8) provided on the lower mold plate (1). The second outer injection tube (6) is connected to the outer side of the lower molding surface (3) through a single-way bottom injection structure (9) arranged on the lower mold plate (1); an inner injection flow channel (10) connected to the inner injection tube (7) is arranged inwardly on the hollow portion (2); one end of the inner injection flow channel (10) is connected to the inner side of the lower molding surface (3) through the single-way bottom injection structure (9) and the other end is connected to the inner side of the lower molding surface (3) through an oblique bottom injection structure.

2. The exhaust structure of the trumpet-shaped automobile door panel injection mold according to claim 1 is characterized in that: The dual-outlet bottom glue feeding structure (8) comprises a dual-outlet glue feeding slider (11), the dual-outlet glue feeding slider (11) is provided with a dual-outlet glue feeding channel (12) connected to the bottom of a No. 1 external injection tube (5) in an inwardly recessed manner, the dual-outlet glue feeding slider (11) is also provided with two No. 1 tunnel-type glue feeding channels (13) respectively connected to the two ends of the dual-outlet glue feeding channel (12), the No. 1 tunnel-type glue feeding channel (13) has an arc-shaped cross-section and is arranged inside the dual-outlet glue feeding slider (11), the inner end of the No. 1 tunnel-type glue feeding channel (13) is connected to the bottom of the dual-outlet glue feeding channel (12), and the outer end opening of the No. 1 tunnel-type glue feeding channel (13) is located at the top of the dual-outlet glue feeding slider (11) and is connected to the bottom surface of the outer side of the lower molding surface (3).

3. The exhaust structure of the trumpet-shaped automobile door panel injection mold according to claim 2 is characterized in that: The dual-outlet glue inlet slider (11) comprises a dual-outlet middle slider (14) and two dual-outlet outer sliders (15) respectively arranged on both sides of the dual-outlet middle slider (14), and the two dual-outlet glue inlet flow channels (12) are both arranged between the dual-outlet middle slider (14) and the dual-outlet outer slider (15).

4. The exhaust structure of the trumpet-shaped automobile door panel injection mold according to claim 2 is characterized in that: The single-way bottom glue feeding structure (9) comprises a single-way glue feeding slider (16), a single-way glue feeding flow channel (17) is provided inwardly recessed on the single-way glue feeding slider (16), and a second tunnel-type glue feeding flow channel (18) is also provided on the single-way glue feeding slider (16). The second tunnel-type glue feeding flow channel (18) is arranged inside the single-way glue feeding slider (16), the inner end of the second tunnel-type glue feeding flow channel (18) is connected to the bottom of the single-way glue feeding flow channel (17), and the outer end opening of the second tunnel-type glue feeding flow channel (18) is located at the top of the single-way glue feeding slider (16).

5. The exhaust structure of the trumpet-shaped automobile door panel injection mold according to claim 4 is characterized in that: The single-way glue feed flow channel (17) on the single-way glue feed slider (16) connected to the outer side of the lower molding surface (3) is connected to the bottom of the second outer injection molding tube (6), and the outer end opening of the second tunnel-type glue feed flow channel (18) on the single-way glue feed slider (16) is located on the bottom surface of the outer side of the lower molding surface (3); the single-way glue feed flow channel (17) on the single-way glue feed slider (16) connected to the inner side of the lower molding surface (3) is connected to the inner glue feed flow channel (10), and the outer end opening of the second tunnel-type glue feed flow channel (18) on the single-way glue feed slider (16) is located on the bottom surface of the inner side of the lower molding surface (3).

6. The exhaust structure of the trumpet-shaped automobile door panel injection mold according to claim 4 is characterized in that: The single-outlet glue inlet slider (16) is composed of two single-outlet side sliders (19), and the second tunnel-type glue inlet flow channel (18) is arranged between the two single-outlet side sliders (19).

7. The exhaust structure of the trumpet-shaped automobile door panel injection mold according to claim 4 is characterized in that: The outer end openings of the No. 1 tunnel-type glue inlet flow channel (13) and the No. 2 tunnel-type glue inlet flow channel (18) are flat.

8. The exhaust structure of the trumpet-molded automobile door panel injection mold according to claim 1, characterized in that: The oblique bottom glue inlet structure comprises an oblique bottom glue inlet channel (20) connected to the inner glue inlet channel (10), and the top end of the opening of the oblique bottom glue inlet channel (20) is connected to the bottom surface inside the lower molding surface (3).

9. The exhaust structure of the trumpet-shaped automobile door panel injection mold according to claim 1, characterized in that: The lower mold plate (1) is also provided with an exhaust flow channel (21) arranged along the circumference of the outer periphery of the lower molding surface (3).

10. The exhaust structure of the trumpet-molded automobile door panel injection mold according to claim 1, characterized in that: The lower template (1) is also detachably provided with a speaker mesh forming block (22) having a speaker mesh forming structure.

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