High-gloss paint-spraying-free automobile air-inlet grille injection mold

Abstract

The utility model provides a high-gloss paint-spraying-free injection mold for an automobile air-inlet grille, and belongs to the technical field of molds. The forming die comprises an upper die plate and a lower die plate, a forming cavity is formed between the upper die plate and the lower die plate, a hollowed-out grating forming structure, a closed grating forming structure, a license plate mounting position forming structure and a grating mounting plate forming structure are arranged in the forming cavity, the closed grating forming structure is arranged on the periphery of the hollowed-out grating forming structure, and the grating mounting plate forming structure is arranged on the periphery of the closed grating forming structure. The license plate mounting position forming structure and the grating mounting plate forming structure are arranged on the front side and the rear side of the hollowed-out grating forming structure respectively. The hollowed-out grille forming structure, the closed grille forming structure, the license plate mounting position forming structure and the grille mounting plate forming structure can be used for forming a hollowed-out grille, a closed grille, a license plate mounting position and a grille mounting plate of the automobile air inlet grille in a one-time injection molding mode during injection molding, and later-stage machining is not needed. The damage-free ejection mechanism can eject out the product in a damage-free mode when the product is ejected out.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds and relates to an injection mold for a high-gloss paint-free automobile air intake grille. Background Art

[0002] Plastic automobile air intake grilles are generally formed by injection molding. Since the hollow parts of the automobile air intake grilles have low strength, they are easily damaged during ejection. Therefore, it is necessary to design an automobile air intake grille mold with an ejection mechanism that can eject the air intake grille product without damage.

[0003] For example, a Chinese patent discloses a forming die for a honeycomb air intake grille for an automobile [application number: 201721269200.2], which comprises a fixed mold plate and a movable mold plate, a runner frame is installed under the fixed mold plate, a nozzle is connected under the runner frame, a fixed mold plate is installed under the runner frame, a fixed mold insert is installed in the fixed mold plate, a mold foot is installed on the movable mold plate, a movable mold plate is installed on the mold foot, a movable mold insert is installed in the movable mold plate, a gap between the movable mold insert and the fixed mold insert constitutes a mold cavity, the nozzle is connected to the mold cavity, an injection molded air intake grille is arranged in the mold cavity, a top plate is arranged between the mold feet, a push rod is connected to the top plate, the push rod passes through the movable mold plate and the movable mold insert and contacts the back of the air intake grille, 11 nozzles are connected under the runner frame, each nozzle is arranged in a four-three-four arrangement, each nozzle is connected to the mold cavity, a heater is arranged in the runner frame, the heater is connected to the nozzle, cooling water holes are respectively arranged in the movable mold insert and the fixed mold insert, and the cross-section of the cooling water holes is arranged in a triangular shape in the movable mold insert and the fixed mold insert. Utility Model Content

[0004] The utility model aims to solve the above problems and provides a high-gloss paint-free automobile air intake grille injection mold.

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

[0006] A high-gloss paint-free automobile air intake grille injection mold comprises an upper template and a lower template, a molding cavity is provided between the upper template and the lower template, a hollow grille molding structure, a closed grille molding structure, a license plate mounting position molding structure and a grille mounting plate molding structure are provided in the molding cavity, the closed grille molding structure is arranged on the periphery of the hollow grille molding structure, the license plate mounting position molding structure and the grille mounting plate molding structure are respectively arranged on the front and rear sides of the hollow grille molding structure, and a non-destructive ejection mechanism is also provided on the lower template.

[0007] In the above-mentioned high-gloss paint-free automobile air intake grille injection mold, the hollow grille molding structure includes an upper hollow grille molding surface and a lower hollow grille molding surface respectively arranged on the upper template and the lower template, the upper hollow grille molding surface and the lower hollow grille molding surface are abutted against each other, and the upper hollow grille molding surface is recessed inwardly with a plurality of hollow grille molding grooves, and the lower template is protruding with a plurality of hollow grille molding blocks inserted into the hollow grille molding grooves, a hollow grille molding gap is provided between the inner wall of the hollow grille molding groove and the outer wall of the hollow grille molding block, and a hollow grille connecting rib molding structure is also provided between the upper hollow grille molding surface and the lower hollow grille molding surface.

[0008] In the above-mentioned high-gloss paint-free automobile air intake grille injection mold, the hollow part grille connecting rib forming structure includes a number of hollow part grille connecting rib forming grooves which are recessed inwardly on the lower hollow part grille forming surface and a number of hollow part grille connecting rib forming blocks which are protrudingly arranged and inserted into the hollow part grille connecting rib forming grooves. A hollow part grille connecting rib forming gap is provided between the inner wall of the hollow part grille connecting rib forming groove and the hollow part grille connecting rib forming block, and the end of the hollow part grille connecting rib forming gap is connected to the hollow part grille forming gap.

[0009] In the above-mentioned high-gloss paint-free automobile air intake grille injection mold, the closed grille molding structure includes an upper closed grille molding surface and a lower closed grille molding surface respectively arranged on the upper mold plate and the lower mold plate, and a closed grille panel molding gap is provided between the upper closed grille molding surface and the lower closed grille molding surface.

[0010] In the above-mentioned high-gloss paint-free automobile air intake grille injection mold, the closed grille molding structure also includes a closed grille molding groove that is recessed inwardly on the upper closed grille molding surface and a closed grille molding block that is protrudingly arranged on the lower closed grille molding surface and inserted into the closed grille molding groove, and a closed grille molding gap is provided between the inner wall of the closed grille molding groove and the outer wall of the closed grille molding block.

[0011] In the above-mentioned high-gloss paint-free automobile air intake grille injection mold, the grille mounting plate molding structure includes a grille mounting plate molding surface arranged on the vertical parting surface on the front side of the lower template, and the front side of the lower template is also provided with a side insert, and a grille mounting plate molding gap is provided between the inner end surface of the side insert and the grille mounting plate molding surface. A No. 1 driving rod is also obliquely fixed on the upper template, and the No. 1 driving rod is obliquely inserted into the driving rod slide groove on the side insert.

[0012] In the above-mentioned high-gloss paint-free automobile air intake grille injection mold, the license plate installation position molding structure includes a rectangular license plate installation position molding block protrudingly arranged on the lower template and a rectangular license plate installation position molding groove recessed inwardly arranged on the upper template, the rectangular license plate installation position molding block is inserted into the rectangular license plate installation position molding groove and there is a license plate installation position molding gap between the inner wall of the rectangular license plate installation position molding groove and the rectangular license plate installation position molding block.

[0013] In the above-mentioned high-gloss paint-free automobile air intake grille injection mold, the lower template is also provided with two license plate installation side connecting hole forming blocks horizontally inserted into the license plate installation position molding gap, the license plate installation side connecting hole forming blocks are slidingly matched with the lower template, and the upper template is also fixedly connected to a No. 2 driving rod which is obliquely inserted into the license plate installation side connecting hole forming block.

[0014] In the above-mentioned high-gloss paint-free automobile air intake grille injection mold, the damage-free ejection mechanism includes a straight ejector rod ejection assembly connected to the closed grille molding structure and the grille mounting plate molding structure, an outer straight ejector assembly connected to the closed grille molding structure, an inner straight ejector assembly connected to the hollow grille molding structure, and an inclined ejector assembly connected to the license plate mounting position molding structure.

[0015] In the above-mentioned high-gloss paint-free automobile air intake grille injection mold, the straight push rod ejection assembly includes a plurality of vertically arranged vertical push rods, and the top ends of the vertical push rods are connected to the bottom of the molding gap of the grille mounting plate or the bottom of the molding gap of the closed grille panel; the outer straight push rod ejection assembly includes an outer straight push block connected to the bottom of the molding gap of the closed grille, and the bottom of the outer straight push block is fixedly connected to a No. 1 straight push rod; the inner straight push rod ejection assembly includes a plurality of inner straight push blocks whose top surfaces are flush with the molding surface of the lower hollow grille, and the plurality of inner straight push blocks have four large-area push blocks distributed in a rectangular shape, and the bottom of the inner straight push block is fixedly connected to a No. 2 straight push rod; the inclined push rod ejection assembly includes a plurality of inclined push blocks connected to the bottom of the molding gap of the license plate mounting position, and the bottom of the inclined push block is fixedly connected to an inclined push rod.

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

[0017] 1. The hollow grille molding structure, closed grille molding structure, license plate mounting position molding structure and grille mounting plate molding structure can be used to mold the hollow grille, closed grille, license plate mounting position and grille mounting plate of the automobile air intake grille at one time during injection molding, without the need for subsequent processing. The non-damage ejection mechanism can eject the product without damage during product ejection.

[0018] 2. The combination of the straight ejector rod ejection assembly, the outer straight ejector rod ejection assembly, the inner straight ejector rod ejection assembly and the inclined ejector rod ejection assembly can evenly apply thrust to the air intake grille so that the air intake grille product can be ejected without damage.

[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 structural schematic diagram of the upper template and the lower template;

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

[0022] Figure 3 It is a structural schematic diagram of the upper template;

[0023] Figure 4 It is a structural diagram of the non-injury ejection mechanism;

[0024] Figure 5 It is a partial structural diagram of the non-destructive ejection mechanism.

[0025] In the figure, an upper template 1, a lower template 2, a hollow grille forming structure 3, a closed grille forming structure 4, a license plate installation position forming structure 5, a grille installation plate forming structure 6, a non-destructive ejection mechanism 7, an upper hollow grille forming surface 8, a lower hollow grille forming surface 9, a hollow portion grille forming groove 10, a hollow portion grille forming block 11, a hollow portion grille connecting rib forming groove 12, a hollow portion grille connecting rib forming block 13, an upper closed grille forming surface 14, a lower closed grille forming surface 15, a closed portion grille forming groove 16, a closed portion grille forming block 17, a side inlay block 18, a drive rod slide 19, a rectangular license plate installation position forming block 20, a rectangular license plate installation position forming groove 21, a license plate installation position side connecting hole forming block 22, a No. 2 drive rod 23, a vertical ejector rod 24, an outer straight ejector block 25, an inner straight ejector block 26, an inclined ejector block 27, and an inclined ejector rod 28. DETAILED DESCRIPTION

[0026] like Figure 1-Figure 5 As shown, a high-gloss paint-free automobile air intake grille injection mold comprises an upper template 1 and a lower template 2, a molding cavity is provided between the upper template 1 and the lower template 2, a hollow grille molding structure 3, a closed grille molding structure 4, a license plate mounting position molding structure 5 and a grille mounting plate molding structure 6 are provided in the molding cavity, the closed grille molding structure 4 is arranged on the periphery of the hollow grille molding structure 3, the license plate mounting position molding structure 5 and the grille mounting plate molding structure 6 are respectively arranged on the front and rear sides of the hollow grille molding structure 3, and a non-destructive ejection mechanism 7 is also provided on the lower template 2.

[0027] In the utility model, the hollow grille forming structure 3, the closed grille forming structure 4, the license plate mounting position forming structure 5 and the grille mounting plate forming structure 6 can be injection molded into the hollow grille, closed grille, license plate mounting position and grille mounting plate of the automobile air intake grille at one time during injection molding, without the need for subsequent processing, and the damage-free ejection mechanism can eject the product without damage during product ejection.

[0028] Specifically, the hollow grille forming structure 3 includes an upper hollow grille forming surface 8 and a lower hollow grille forming surface 9 respectively arranged on the upper template 1 and the lower template 2, the upper hollow grille forming surface 8 and the lower hollow grille forming surface 9 are abutted against each other, and the upper hollow grille forming surface 8 is recessed with a plurality of hollow grille forming grooves 10, and the lower template 2 is protruding with a plurality of hollow grille forming blocks 11 inserted into the hollow grille forming grooves 10, and a hollow grille forming gap is provided between the inner wall of the hollow grille forming groove 10 and the outer wall of the hollow grille forming block 11, and a hollow grille connecting rib forming structure is also provided between the upper hollow grille forming surface 8 and the lower hollow grille forming surface 9. The upper hollow grille molding surface 8 and the lower hollow grille molding surface 9 that abut against each other on the upper template 1 and the lower template 2 can form a hollow part of the air intake grille during injection molding, the hollow grille molding gap composed of the hollow grille molding groove 10 and the hollow grille molding block 11 can form a hollow grille, and the hollow grille connecting rib molding structure can form hollow grille connecting ribs connecting the hollow grilles during injection molding.

[0029] Specifically, the hollow grille connection rib forming structure includes a plurality of hollow grille connection rib forming grooves 12 recessed inwardly on the lower hollow grille forming surface 9 and a plurality of hollow grille connection rib forming blocks 13 protrudingly arranged and inserted into the hollow grille connection rib forming grooves 12, and a hollow grille connection rib forming gap is provided between the inner wall of the hollow grille connection rib forming grooves 12 and the hollow grille connection rib forming blocks 13, and the hollow grille connection rib forming gap ends are connected to the hollow grille forming gap. The hollow grille connection rib forming gap composed of the hollow grille connection rib forming grooves 12 and the hollow grille connection rib forming blocks 13 can form a hollow grille connection rib that connects the hollow grille during injection molding.

[0030] Specifically, combined with Figure 2 and Figure 3As shown, the closed grille forming structure 4 includes an upper closed grille forming surface 14 and a lower closed grille forming surface 15 respectively arranged on the upper template 1 and the lower template 2, and a closed grille panel forming gap is provided between the upper closed grille forming surface 14 and the lower closed grille forming surface 15. The closed grille panel forming gap formed by the upper closed grille forming surface 14 and the lower closed grille forming surface 15 can form a closed grille panel during injection molding; the closed grille forming structure 4 also includes a closed grille forming groove 16 recessed inwardly arranged on the upper closed grille forming surface 14 and a closed grille forming block 17 protrudingly arranged on the lower closed grille forming surface 15 and inserted into the closed grille forming groove 16, and a closed grille forming gap is provided between the inner wall of the closed grille forming groove 16 and the outer wall of the closed grille forming block 17. The closed grille forming gap formed by the closed grille forming groove 16 and the closed grille forming block 17 can form a closed grille on the closed grille panel during injection molding.

[0031] Specifically, the grille mounting plate forming structure 6 includes a grille mounting plate forming surface arranged on the vertical parting surface at the front side of the lower template 2, and the lower template 2 is also provided with a side panel 18 at the front side, and a grille mounting plate forming gap is provided between the inner end surface of the side panel 18 and the grille mounting plate forming surface, and a No. 1 driving rod is also obliquely fixed on the upper template 1, and the No. 1 driving rod is obliquely inserted into the driving rod slide groove 19 on the side panel 18. The grille mounting plate forming gap formed by the inner end surface of the side panel 18 and the grille mounting plate forming surface can form a grille mounting plate during injection molding, and when the mold is opened, the upper template moves upward to drive the oblique No. 1 driving rod to move vertically upward, and the No. 1 driving rod moves vertically upward in coordination with the driving rod slide groove to drive the side panel to translate in a direction away from the grille mounting plate forming gap, thereby enabling the side panel and the grille mounting plate to be separated.

[0032] Specifically, the license plate installation position forming structure 5 includes a rectangular license plate installation position forming block 20 protruding from the lower template 2 and a rectangular license plate installation position forming groove 21 recessed inwardly on the upper template 1, wherein the rectangular license plate installation position forming block 20 is inserted into the rectangular license plate installation position forming groove 21, and a license plate installation position forming gap is provided between the inner wall of the rectangular license plate installation position forming groove 21 and the rectangular license plate installation position forming block 20. The license plate installation position forming gap formed by the rectangular license plate installation position forming block 20 and the rectangular license plate installation position forming groove 21 can form a license plate installation position during injection molding; the lower template 2 is also provided with two license plate installation position side connection hole forming blocks 22 horizontally inserted into the license plate installation position forming gap, the license plate installation position side connection hole forming blocks 22 are slidably matched with the lower template 2, and the upper template 1 is also fixedly connected with a No. 2 driving rod 23 obliquely inserted into the license plate installation position side connection hole forming block 22. The license plate mounting position side connecting hole forming block 22 is inserted into the side of the license plate mounting position forming gap to form a license plate mounting position side connecting hole on the side of the license plate mounting position. When the mold is opened, the upward movement of the upper template can drive the inclined No. 2 driving rod 23 to move vertically upward. The upward movement of the No. 2 driving rod 23 can drive the license plate mounting position side connecting hole forming block 22 to move horizontally away from the license plate mounting position forming gap, thereby enabling the license plate mounting position side connecting hole forming block 22 to be separated from the license plate mounting position.

[0033] Specifically, the non-destructive ejection mechanism 7 includes a straight ejector assembly connected to the closed grille forming structure 4 and the grille mounting plate forming structure 6, an outer straight ejector assembly connected to the closed grille forming structure 4, an inner straight ejector assembly connected to the hollow grille forming structure 3, and an inclined ejector assembly connected to the license plate mounting position forming structure 5. The straight ejector assembly, the outer straight ejector assembly, the inner straight ejector assembly, and the inclined ejector assembly can cooperate to evenly apply thrust to the air intake grille, thereby enabling the air intake grille product to be ejected without damage.

[0034] Specifically, the straight push rod ejection assembly includes a plurality of vertically arranged vertical push rods 24, the top ends of the vertical push rods 24 are connected to the bottom of the forming gap of the grille mounting plate or the bottom of the forming gap of the closed grille panel, and the vertical push rods 24 can apply a vertical upward thrust to the grille mounting plate position or the closed grille panel position of the product; the outer straight push rod ejection assembly includes an outer straight push block 25 connected to the bottom of the closed grille forming gap, and the bottom of the outer straight push block 25 is fixedly connected to a No. 1 straight push rod, and the No. 1 straight push rod cooperates with the outer straight push block to apply a vertical upward thrust to the closed grille panel position of the product. The use of the outer straight push block can increase the force-bearing area of ​​the closed grille panel during ejection, thereby preventing the closed grille panel from being damaged during product ejection; the inner straight push rod ejection assembly The components include a plurality of inner straight top blocks 26 whose top surfaces are flush with the lower hollow grille forming surface 9, and the plurality of inner straight top blocks 26 have four large-area top blocks distributed in a rectangular shape. The bottom of the inner straight top block 26 is fixedly connected with a No. 2 straight top rod, and the No. 2 straight top rod cooperates with the inner straight top block 26 to apply a vertical upward thrust to the hollow grille part of the product. The use of the inner straight top block 26 can increase the force-bearing area of ​​the hollow grille part during ejection. The arrangement of four large-area top blocks in the plurality of inner straight top blocks 26 can further increase the contact area between the hollow grille part and the inner straight top block, thereby preventing the hollow grille from being damaged during ejection; the inclined top ejection assembly includes a plurality of inclined top blocks 27 connected to the bottom of the forming gap of the license plate installation position, and the bottom of the inclined top block 27 is fixedly connected with an inclined top rod 28. The inclined top rod 28 cooperates with the inclined top block 27 to apply a multi-directional oblique upward thrust to the license plate installation position of the product.

[0035] The working principle of the utility model is that the hollow grille forming structure 3, the closed grille forming structure 4, the license plate installation position forming structure 5 and the grille installation plate forming structure 6 can form the hollow grille, the closed grille, the license plate installation position and the grille installation plate of the automobile air intake grille at one time during injection molding, without the need for subsequent processing, and the non-damage ejection mechanism can eject the product without damage when the product is ejected;

[0036] The upper hollow grille forming surface 8 and the lower hollow grille forming surface 9 which are abutted on the upper template 1 and the lower template 2 can form a hollow part of the air intake grille during injection molding, the hollow grille forming gap composed of the hollow grille forming groove 10 and the hollow grille forming block 11 can form a hollow grille, the hollow grille connecting rib forming structure can form a hollow grille connecting rib connecting the hollow grille during injection molding, and the hollow grille connecting rib forming gap composed of the hollow grille connecting rib forming groove 12 and the hollow grille connecting rib forming block 13 can form a hollow grille connecting rib connecting the hollow grille during injection molding;

[0037] The closed grille panel forming gap formed by the upper closed grille forming surface 14 and the lower closed grille forming surface 15 can form a closed grille panel during injection molding, and the closed grille forming gap formed by the closed grille forming groove 16 and the closed grille forming block 17 can form a closed grille on the closed grille panel during injection molding;

[0038] The grille mounting plate forming gap formed by the inner end surface of the side panel 18 and the grille mounting plate forming surface can form the grille mounting plate during injection molding. When the mold is opened, the upper template moves upward to drive the inclined No. 1 driving rod to move vertically upward. The No. 1 driving rod moves vertically upward and cooperates with the driving rod slide groove to drive the side panel to move in a direction away from the grille mounting plate forming gap, so that the side panel and the grille mounting plate can be separated.

[0039] The license plate installation position forming gap composed of the rectangular license plate installation position forming block 20 and the rectangular license plate installation position forming groove 21 can form the license plate installation position during injection molding, and the license plate installation position side connection hole forming block 22 inserted into the side of the license plate installation position forming gap can form a license plate installation position side connection hole on the side of the license plate installation position. When the mold is opened, the upper template moves upward to drive the inclined No. 2 driving rod 23 to move vertically upward, and the No. 2 driving rod 23 moves upward to drive the license plate installation position side connection hole forming block 22 to move in a direction away from the license plate installation position forming gap, so that the license plate installation position side connection hole forming block 22 and the license plate installation position can be separated;

[0040] The combination of the straight ejector assembly, the outer straight ejector assembly, the inner straight ejector assembly and the inclined ejector assembly can evenly apply thrust to the air intake grille so that the air intake grille product can be ejected without damage. The vertical ejector 24 can apply a vertical upward thrust to the grille mounting plate position or the closed grille panel position of the product. The No. 1 straight ejector assembly combined with the outer straight ejector block can apply a vertical upward thrust to the closed grille panel position of the product. The use of the outer straight ejector block can increase the force-bearing area of ​​the closed grille panel during ejection, thereby preventing the closed grille panel from being damaged. In order to prevent the product from being damaged during ejection, the No. 2 straight ejector rod and the inner straight ejector block 26 can apply a vertical upward thrust to the hollow grille part of the product. The inner straight ejector block 26 can increase the force-bearing area of ​​the hollow grille part during ejection. Setting four large-area ejector blocks among several inner straight ejector blocks 26 can further increase the contact area between the hollow grille part and the inner straight ejector blocks, thereby preventing the hollow grille from being damaged during ejection. The inclined ejector rod 28 and the inclined ejector block 27 can apply a multi-directional oblique upward thrust to the license plate installation part of the product.

[0041] 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.

[0042] Although this article uses more upper template 1, lower template 2, hollow grille forming structure 3, closed grille forming structure 4, license plate installation position forming structure 5, grille installation plate forming structure 6, non-damage ejection mechanism 7, upper hollow grille forming surface 8, lower hollow grille forming surface 9, hollow grille forming groove 10, hollow grille forming block 11, hollow grille connecting rib forming groove 12, hollow grille connecting rib forming block 13, upper closed grille forming surface 14, lower closed grille forming surface 15, closed grille forming Groove 16, closed grille forming block 17, side inlay block 18, drive rod slide groove 19, rectangular license plate mounting position forming block 20, rectangular license plate mounting position forming groove 21, license plate mounting position side connecting hole forming block 22, No. 2 drive rod 23, vertical top rod 24, outer straight top block 25, inner straight top block 26, inclined top block 27, inclined top rod 28, etc., 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 high-gloss paint-free automobile air intake grille injection mold, comprising an upper mold plate (1) and a lower mold plate (2), characterized in that: A molding cavity is provided between the upper mold plate (1) and the lower mold plate (2), and a hollow grille molding structure (3), a closed grille molding structure (4), a license plate mounting position molding structure (5) and a grille mounting plate molding structure (6) are provided in the molding cavity. The closed grille molding structure (4) is arranged on the periphery of the hollow grille molding structure (3), and the license plate mounting position molding structure (5) and the grille mounting plate molding structure (6) are respectively arranged on the front and rear sides of the hollow grille molding structure (3). The lower mold plate (2) is also provided with a non-destructive ejection mechanism (7).

2. The high-gloss paint-free automobile air intake grille injection mold according to claim 1 is characterized in that: The hollow grille forming structure (3) comprises an upper hollow grille forming surface (8) and a lower hollow grille forming surface (9) respectively arranged on an upper template (1) and a lower template (2); the upper hollow grille forming surface (8) and the lower hollow grille forming surface (9) are abutted against each other; a plurality of hollow grille forming grooves (10) are recessed inwardly on the upper hollow grille forming surface (8); a plurality of hollow grille forming blocks (11) are protrudingly arranged on the lower template (2) and inserted into the hollow grille forming grooves (10); a hollow grille forming gap is provided between the inner wall of the hollow grille forming groove (10) and the outer wall of the hollow grille forming block (11); and a hollow grille connecting rib forming structure is also provided between the upper hollow grille forming surface (8) and the lower hollow grille forming surface (9).

3. The high-gloss paint-free automobile air intake grille injection mold according to claim 2 is characterized in that: The hollow grille connection rib forming structure comprises a plurality of hollow grille connection rib forming grooves (12) recessed inwardly on the lower hollow grille forming surface (9) and a plurality of hollow grille connection rib forming blocks (13) protrudingly arranged and inserted into the hollow grille connection rib forming grooves (12); a hollow grille connection rib forming gap is provided between the inner wall of the hollow grille connection rib forming groove (12) and the hollow grille connection rib forming block (13); and the end of the hollow grille connection rib forming gap is connected to the hollow grille forming gap.

4. The high-gloss paint-free automobile air intake grille injection mold according to claim 3 is characterized in that: The closed grille forming structure (4) comprises an upper closed grille forming surface (14) and a lower closed grille forming surface (15) respectively arranged on an upper template (1) and a lower template (2), and a closed grille panel forming gap is provided between the upper closed grille forming surface (14) and the lower closed grille forming surface (15).

5. The high-gloss paint-free automobile air intake grille injection mold according to claim 4 is characterized in that: The closed grille forming structure (4) further comprises a closed grille forming groove (16) recessed inwardly on the upper closed grille forming surface (14) and a closed grille forming block (17) protruding on the lower closed grille forming surface (15) and inserted into the closed grille forming groove (16), wherein a closed grille forming gap is provided between the inner wall of the closed grille forming groove (16) and the outer wall of the closed grille forming block (17).

6. The high-gloss paint-free automobile air intake grille injection mold according to claim 5 is characterized in that: The grille mounting plate forming structure (6) comprises a grille mounting plate forming surface arranged on a vertical parting surface on the front side of the lower template (2); the front side of the lower template (2) is also provided with a side insert (18); a grille mounting plate forming gap is provided between the inner end surface of the side insert (18) and the grille mounting plate forming surface; a No. 1 driving rod is also obliquely fixed on the upper template (1); the No. 1 driving rod is obliquely inserted into a driving rod slide groove (19) on the side insert (18).

7. The high-gloss paint-free automobile air intake grille injection mold according to claim 6, characterized in that: The license plate installation position forming structure (5) comprises a rectangular license plate installation position forming block (20) protrudingly arranged on the lower template (2) and a rectangular license plate installation position forming groove (21) recessed inwardly arranged on the upper template (1); the rectangular license plate installation position forming block (20) is inserted into the rectangular license plate installation position forming groove (21), and a license plate installation position forming gap is provided between the inner wall of the rectangular license plate installation position forming groove (21) and the rectangular license plate installation position forming block (20).

8. The high-gloss paint-free automobile air intake grille injection mold according to claim 7, characterized in that: The lower template (2) is also provided with two license plate installation position side connection hole forming blocks (22) which are horizontally inserted into the license plate installation position forming gap, the license plate installation position side connection hole forming blocks (22) are slidably matched with the lower template (2), and the upper template (1) is also fixedly connected with a second driving rod (23) which is obliquely inserted into the license plate installation position side connection hole forming blocks (22).

9. The high-gloss paint-free automobile air intake grille injection mold according to claim 8, characterized in that: The non-destructive ejection mechanism (7) comprises a straight ejector rod ejection assembly connected to the closed grille forming structure (4) and the grille mounting plate forming structure (6), an outer straight ejector rod ejection assembly connected to the closed grille forming structure (4), an inner straight ejector rod ejection assembly connected to the hollow grille forming structure (3), and an inclined ejector rod ejection assembly connected to the license plate mounting position forming structure (5).

10. The high-gloss paint-free automobile air intake grille injection mold according to claim 9, characterized in that: The straight ejector assembly comprises a plurality of vertical ejector rods (24) arranged vertically, the top ends of the vertical ejector rods (24) being connected to the bottom of the forming gap of the grille mounting plate or the bottom of the forming gap of the closed grille panel; the outer straight ejector assembly comprises an outer straight ejector block (25) connected to the bottom of the forming gap of the closed grille, the bottom of the outer straight ejector block (25) being fixedly connected to a first straight ejector rod; the inner straight ejector assembly comprises a plurality of inner straight ejector blocks (26) whose top surfaces are flush with the lower hollow grille forming surface (9), the plurality of inner straight ejector blocks (26) having four large-area ejector blocks distributed in a rectangular shape, the bottom of the inner straight ejector block (26) being fixedly connected to a second straight ejector rod; the inclined ejector assembly comprises a plurality of inclined ejector blocks (27) connected to the bottom of the forming gap of the license plate mounting position, the bottom of the inclined ejector block (27) being fixedly connected to an inclined ejector rod (28).

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