CN209937520U - Automobile grille injection mold - Google Patents

Abstract

The utility model provides an automobile grille injection mold, which comprises a front mold set and a rear mold set, wherein the front mold set comprises a front template, a pouring mechanism and a panel; the rear module comprises a rear template, a bottom plate and an ejection mechanism, wherein a front mold core is arranged on the front template, a rear mold core is arranged on the rear template, a cavity for forming the grid is defined by the front mold core and the rear mold core, and the pouring mechanism comprises a plurality of glue inlet hot nozzles, a runner plate communicated with the glue inlet hot nozzles and a glue inlet pipe communicated with the runner plate; the plurality of glue feeding hot nozzles comprise middle hot nozzles positioned in the middle area of one side of the front mold core, and rear mold runners connected with the middle hot nozzles are arranged in the rear mold core. The utility model discloses the hot mouth of well side in the middle part region of mold core one side in the front to set up the back mould runner in the back mold core, with well hot mouth with correspond the back mould runner and link to each other, thereby when moulding plastics, advance to glue from the back of grid, thereby can avoid forming on the grid surface and connect the trace.

Description

Automobile grille injection mould

technical field

The utility model belongs to the field of molds, and more particularly relates to an injection mold for an automobile grille.

Background technique

For a vehicle, the grille is a key factor in determining the sophistication of the car's exterior. The car grille is a grid-like part in the front part of the car. Its main function is to dissipate heat and air intake, and to decorate the front face of the car. It is an important part of the appearance of a car and shows the brand personality. The grille product is assembled on the head of the car, with a large area exposed, and the surface requires high gloss. However, due to the large size of the car grille, during pouring, multiple points of glue are generally used to improve efficiency. However, when multiple points of glue are used, multiple rubber feed pipes will extend into the cavity, resulting in the front surface of the grille. Corresponding to the seam that will appear at the position of the hose.

Utility model content

The purpose of the utility model is to provide an automobile grille injection mold, which can solve the problem that the front surface of the grille will have stitches when the injection mold of the automobile grille in the prior art is multi-pointed with glue.

In order to achieve the above purpose, the technical solution adopted by the present invention is to provide an automobile grille injection mold, which includes a front module and a rear module, and the front module includes a front template and a casting mold installed on the front template. mechanism and a panel supporting the pouring mechanism; the rear module includes a rear template, a bottom plate supporting the rear template, and an ejection mechanism installed on the rear template, and the front template is provided with a grid for forming The front mold core on the front surface, the rear template is provided with a rear mold core for forming the rear surface of the grille, and the front mold core and the rear mold core are combined to form a cavity for forming the grille, so The pouring mechanism includes a plurality of glue feeding hot nozzles, a flow channel plate communicating with each of the glue feeding hot nozzles, and a glue feeding tube communicated with the flow channel plate. The rubber tube is installed in the first through hole, the flow channel plate is installed on the panel, the flow channel plate is connected with the front template, and the front template is provided with each of the glue feeding hot nozzles through the second through hole, the front mold core is provided with a third through hole for inserting each of the glue feeding hot nozzles; a plurality of the glue feeding hot nozzles include a middle area on one side of the front mold core The middle side hot nozzles, the rear mold core is provided with a rear mold flow channel connecting each of the middle side hot nozzles.

Further, the side hot nozzles are respectively provided at positions corresponding to two ends on both sides of the front mold core.

Further, each of the rear mold runners is extended along the width direction of the rear mold core, and each of the rear mold runners is provided with an outlet hole at a position corresponding to each bone position of the grille.

Further, the rear mold core is provided with movable inserts, the rear mold runners are arranged in the corresponding movable inserts, and the ejection mechanism includes a plurality of ejector rods for supporting the movable inserts and support for each the push plate of the ejector rod.

Further, the movable insert includes a lifter block and a straight lifter block fitted with the lifter block, and several ejector rods include a straight thimble supporting the straight lifter block and a first inclined lifter supporting the lifter block. thimble, the push plate is correspondingly provided with a first sloping top seat supporting each of the first slanting thimbles, and the rear mold flow channel is opened on the side surface of the inclined top block close to the straight top block. A runner groove, the straight top block is attached to the inclined top block and the runner groove forms the back mold runner.

Further, the ejection mechanism includes a plurality of sliders for cooperating with the mold core to form the undercut of the grille, a second inclined ejector pin for supporting each of the sliders, and a second inclined ejector for supporting each of the second inclined The second inclined top seat of the thimble, each of the second inclined top seat is mounted on the push plate.

Further, both ends of the rear mold core are respectively provided with auxiliary flow channels connecting two corners of each end of the mold core.

Further, a plurality of the glue feeding hot nozzles further include a direct current hot nozzle located in the middle area of the front mold core.

Further, a plurality of the glue feeding hot nozzles also include a plurality of side hot nozzles located on both sides of the front mold core.

Further, each of the hot glue feeding nozzles is provided with a needle valve, and a controller for controlling the needle valve is installed on each of the hot glue feeding nozzles.

The beneficial effects of the automobile grille injection mold provided by the utility model are: compared with the prior art, the utility model has a middle-side hot nozzle in the middle region of one side of the front die core, and a rear die runner is arranged in the rear die core. , connect the hot nozzle on the middle side with the corresponding rear mold runner, so that the glue is fed from the back of the grille during injection molding, so as to avoid the formation of joints on the surface of the grille.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for the present utility model. For some new embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is the structural representation of the automobile grille injection mold provided by the embodiment of the present utility model;

Fig. 2 is the sectional structure schematic diagram of the automobile grille injection mold of Fig. 1;

Fig. 3 is the structural representation of the front module in the automobile grille injection mold of Fig. 1;

Fig. 4 is the structural representation of the pouring mechanism in the front module shown in Fig. 3;

Fig. 5 is the structural representation of the pouring mechanism in the front module shown in Fig. 3;

Fig. 6 is the structural representation of the rear module in the automobile grille injection mold of Fig. 1;

Fig. 7 is the structural representation of the rear core in the rear module of Fig. 6;

Fig. 8 is an enlarged structural view of part A in Fig. 7;

Fig. 9 is the structural representation of the ejector mechanism in the rear module of Fig. 6;

Fig. 10 is the structural representation of movable insert and grille in the rear module of Fig. 6;

Fig. 11 is the partial structure schematic diagram of the inclined top block and the grille in Fig. 10;

FIG. 12 is a schematic diagram of the exploded structure of the movable insert in FIG. 10 .

Among them, the main symbols of each accompanying drawing in the figure are:

100-Automotive grille injection mold; 101-Cavity;

10-front module; 11-panel; 12-upper square; 21-front template; 211-second through hole; 25-front core;

40-Pouring mechanism; 41-Inlet hose; 42-Runner plate; 43-Injection nozzle; 431-DC nozzle; 432-Side nozzle; 433-Middle side nozzle; 430-Controller; 44- Side hose; 45-back mold runner; 451-runner groove; 452-outlet; 46-side middle hose;

50 - rear module; 51 - bottom plate; 52 - lower block;

60-rear template; 61-rear core; 616-auxiliary runner;

70- ejector mechanism; 71- movable insert; 711- inclined top block; 712- straight top block; 72- slide block; 730- ejector rod; 731- straight thimble; 732- first oblique thimble; Needle; 734-first oblique top seat; 735-second oblique thimble; 736-second oblique top seat; 74-push plate; 75-pusher;

90-Grill; 91-Bone.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined. "Several" means one or more than one, unless expressly specifically defined otherwise.

In the description of the present invention, it should be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", The orientation or positional relationship indicated by "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the purpose of It is for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Please refer to FIG. 1 to FIG. 12 together, and now the automobile grille injection mold 100 provided by the present invention will be described. The automobile grille injection mold 100 includes a front module 10 and a rear module 50. The front module 10 includes a front template 21, a casting mechanism 40 and a panel 11; the casting mechanism 40 is installed on the front template 21, and the front template 21 Supported on the panel 11, while the panel 11 supports the pouring mechanism 40; the rear module 50 includes a rear template 60, a bottom plate 51 and an ejector mechanism 70, the rear template 60 is supported on the bottom plate 51, and the ejector mechanism 70 is installed on the rear template 60 On the front plate 21, there is a front mold core 25, the front mold core 25 is used for forming the front surface of the grille 90, the rear mold plate 60 is provided with a rear mold core 61, and the rear mold core 61 is used for forming the rear surface of the grille 90. The front mold core 25 and the rear mold core 61 are combined to form a cavity 101 for forming the grille 90 , so that when the high-gloss grille 90 is injection-molded, plastic is injected into the cavity 101 through the pouring mechanism 40 , and after the injection molding is opened, the plastic is injected into the cavity 101 . , the high-gloss grid 90 is pushed away from the rear mold core 61 by the ejector mechanism 70, so that the high-gloss grid 90 can be taken out.

Please refer to FIGS. 2 , 4 , 5 , 10 to 12 , the pouring mechanism 40 includes a plurality of glue inlet nozzles 43 , a flow channel plate 42 and a glue inlet pipe 41 , and the flow channel plate 42 communicates with each glue inlet nozzle 43 . The rubber feed tube 41 is connected to the flow channel plate 42, so that plastic can be injected through the rubber feed tube 41, and injected into each glue feed nozzle 43 through the flow channel plate 42, so as to inject glue into the cavity 101; A through hole (not shown in the figure), the hose 41 is installed in the first through hole to support the hose 41 through the panel 11 . The flow channel plate 42 is installed on the panel 11, and the flow channel plate 42 is connected with the front template 21, that is, the flow channel plate 42 is arranged between the front template 21 and the panel 11 to distribute glue; The second through hole 211 through which the glue nozzles 43 pass, and the front mold core 25 is provided with a third through hole (not shown in the figure) into which each glue inlet nozzle 43 is inserted, so that each glue inlet nozzle 43 passes through The front mold plate 21 and the front mold core 25 facilitate the injection of plastic into the cavity 101 . However, by setting a plurality of glue feeding hot nozzles 43, glue can be injected into the cavity 101 from multiple positions, so as to improve the glue feeding efficiency, thereby improving the injection molding efficiency; and setting a separate flow channel plate 42 can make the flow channel more In order to better supply glue to each glue feeding nozzle 43, improve the glue feeding efficiency, and facilitate the forming of the high-gloss grid 90; To ensure the good fluidity of the plastic, it not only facilitates the feeding of glue, improves the feeding efficiency, but also can better avoid the occurrence of joint marks.

The above-mentioned glue feeding hot nozzle 43 includes a middle side hot nozzle 433 located in the middle area of one side of the front mold core 25 . The rear mold core 61 is provided with a rear mold runner 45 connecting each of the middle-side hot nozzles 433 . Setting the back mold runner 45 can inject glue faster, improve efficiency, and avoid joints; at the same time, the rear mold runner 45 is set in the rear mold core 61 to form a hidden runner, which can better avoid gridlock. Contact lines are created on the front surface of the grid 90 .

Compared with the prior art, the automobile grille injection mold 100 provided by the present invention has a middle hot nozzle 433 in the middle area of one side of the front mold core 25 , and a rear mold runner is arranged in the rear mold core 61 . 45. Connect the middle-side hot nozzle 433 to the corresponding rear mold runner 45, so that during injection molding, glue is fed from the back side of the grille 90, thereby avoiding the formation of joints on the surface of the grille 90.

Further, please refer to FIG. 3 , FIG. 4 , FIG. 5 , FIG. 10 to FIG. 12 , as a specific embodiment of the automobile grille injection mold 100 provided by the present invention, each middle side hot nozzle 433 passes through the side middle rubber tube 46 It communicates with the back mold runner 45 so as to avoid the contact marks on the front surface of the grille 90 .

Further, please refer to FIG. 1 , FIG. 2 and FIG. 4 , as a specific embodiment of the automobile grille injection mold 100 provided by the present invention, the rubber inlet pipe 41 can adopt a large-diameter pipe, that is, the inner diameter of the rubber inlet pipe 41 is larger than the flow rate. The inner diameter of the flow channel in the channel plate 42 to improve the pouring efficiency.

Further, please refer to FIG. 4 and FIG. 5 , as a specific embodiment of the automobile grille injection mold 100 provided by the present invention, the plurality of glue inlet nozzles 43 also include a direct current nozzle 431, and the direct current nozzle 431 is located in the front In the middle area of the mold core 25, glue can be directly injected into the middle area of the cavity 101, so as to directly inject glue and improve the efficiency.

Further, please refer to FIG. 4 and FIG. 5 , as a specific embodiment of the automobile grille injection mold 100 provided by the present invention, the plurality of glue inlet nozzles 43 further includes a plurality of side hot nozzles 432 . A plurality of side hot nozzles 432 are located on both sides of the front mold core 25 , so as to inject glue into the cavity 101 from both sides, improve the injection efficiency, and avoid the generation of joints; and the side hot nozzles 432 are arranged on the front mold core 25 . On the side edge, it is also possible to avoid the generation of junctions on the front surface of the grille 90 , so as to facilitate the generation of a high-gloss front surface on the grille 90 .

Further, please refer to FIG. 3 , FIG. 4 and FIG. 5 , as a specific embodiment of the automobile grille injection mold 100 provided by the present invention, each side hot nozzle 432 passes through the side rubber tube 44 and the surface of the front mold core 25 Therefore, when the front mold core 25 and the rear mold core 61 are clamped to form the cavity 101 , each side hot nozzle 432 is communicated with the cavity 101 through the side rubber pipes 44 to avoid the formation of joints on the front surface of the grille 90 .

Further, please refer to FIG. 3 , FIG. 4 and FIG. 5 , as a specific embodiment of the automobile grille injection mold 100 provided by the present invention, the positions corresponding to the two ends of the two sides of the front mold core 25 are respectively provided with side surfaces. The side hot nozzles 432 , that is, the two ends of each side of the front mold core 25 are respectively provided with side hot nozzles 432 , which can simultaneously inject glue into the four corners of the cavity 101 to improve the glue injection efficiency.

Further, please refer to FIG. 3 , FIG. 4 , FIG. 5 , FIG. 10 to FIG. 12 , as a specific embodiment of the automobile grille injection mold 100 provided by the present invention, each rear mold runner 45 runs along the rear mold core 61 . Extending in the width direction, each rear mold runner 45 is provided with an outlet hole 452 at a position corresponding to each bone position 91 of the grille 90 . Each rear mold runner 45 is extended along the width direction of the rear mold, and the rear mold runner 45 is provided with an outlet hole 452 corresponding to the position of each bone position 91 of the grille 90, so that the rear mold runner can pass through the rear mold runner during pouring. 45-direction injection of glue in the cavity 101 corresponding to the positions of each bone position 91 on the grille 90 to improve the glue injection efficiency.

Further, please refer to FIG. 4 to FIG. 12, as a specific embodiment of the automobile grille injection mold 100 provided by the present invention, the rear mold core 61 is provided with a movable insert 71, and the rear mold runner 45 is provided in the corresponding In the movable insert 71 , the ejection mechanism 70 includes a plurality of ejector pins 730 supporting the movable insert 71 and a push plate 74 supporting each ejector pin 730 . Disposing the movable insert 71 in the rear mold not only facilitates the processing and manufacture of the rear mold core 61, but also facilitates pushing out the movable insert 71 through the ejector rod 730 when the mold is opened, so as to push the fabricated grille 90 away from the rear mold. Core 61. On the other hand, if the rear mold runner 45 is arranged in the movable insert 71, the rear mold runner 45 can be produced in the movable insert 71 alone, which is convenient for processing. Of course, in some other embodiments, the back mold runner 45 can also be made directly in the back mold core 61 .

Further, please refer to FIG. 4 to FIG. 12 , as a specific embodiment of the automobile grille injection mold 100 provided by the present invention, the movable insert 71 includes a sloping top block 711 and a straight top that fits with the sloping top block 711 Block 712, the plurality of ejector pins 730 include straight ejector pins 731 supporting the straight ejector block 712 and first slant ejector pins 732 supporting the slant ejector blocks 711. The push plate 74 is correspondingly provided with a first slant ejector seat supporting each of the first slant ejector pins 732. 734, the rear mold runner 45 is opened on the side surface of the inclined top block 711 close to the straight top block 712, and a flow channel groove 451 is opened. Road 45. The movable insert 71 is formed by combining the inclined top block 711 and the straight top block 712, and the flow channel groove 451 is opened on the side of the inclined top block 711, and the straight top block 712 is attached to the inclined top block 711. 712 is covered in the runner groove 451 to form the back mold runner 45, and the runner is easy to manufacture. In addition, the straight top block 712 is connected with the straight thimble 731, and the straight thimble 731 is connected with the push plate 74, and the inclined top block 711 is connected with the first inclined thimble 732, and the first inclined top seat 734 is arranged on the push plate 74 Therefore, when the mold is opened, when the movable insert 71 pushes the grille 90 away from the rear mold core 61, the straight top block 712 will be separated from the inclined top block 711, so that the plastic in the rear mold runner 45 can be taken out, which is convenient for emptying. Plastic in the back mold runner 45 . Of course, in some other embodiments, two straight top blocks 712 may also be used, and a flow channel groove 451 structure is provided on one of the straight top blocks 712 .

Further, referring to FIGS. 4 to 12 , as a specific embodiment of the automobile grille injection mold 100 provided by the present invention, the ejector mechanism 70 further includes a plurality of ejector pins 733 , and the rear template 60 is provided with a The first opening (not shown in the figure) through which the ejector pins 733 pass, and each ejector pin 733 is installed on the push plate 74 . This structure is convenient for pushing the fabricated grid 90 out of the rear mold core 61 .

Further, please refer to FIG. 4 to FIG. 12 , as a specific embodiment of the automobile grille injection mold 100 provided by the present invention, the ejector mechanism 70 also includes a plurality of A plurality of sliding blocks 72 that are inverted, second inclined thimbles 735 supporting each sliding block 72 , and second inclined top seats 736 supporting each second inclined thimble 735 . The slider 72 , the second oblique ejector pin 735 and the second oblique top seat 736 are provided, so as to form the undercut structure on the grid 90 during injection molding. Furthermore, the rear mold core 61 is correspondingly provided with a chute (not shown in the figure), and each slider 72 is slidably installed in the corresponding chute.

Further, please refer to FIG. 7 and FIG. 8 , as a specific embodiment of the automobile grille injection mold 100 provided by the present utility model, two ends of the rear mold core 61 are respectively provided with two parts connecting each end of the rear mold core 61 Auxiliary runner 616 of the corner. Since the size of the grille 90 is relatively large, the auxiliary flow channels 616 are provided. When the grille 90 is formed, two adjacent corners at both ends of the grille 90 can be connected to prevent the grille 90 from being deformed.

Further, please refer to FIG. 4 to FIG. 12 , as a specific embodiment of the automobile grille injection mold 100 provided by the present invention, each glue inlet nozzle 43 is provided with a needle valve (not shown in the figure), each A controller 430 for controlling the needle valve is installed on the hot glue feeding nozzle 43 . That is, the glue feeding nozzle 43 is a valve type hot nozzle, so that the switches of each glue feeding hot nozzle 43 can be controlled by each controller 430, and then the glue feeding amount can be controlled, which can not only improve the efficiency, but also facilitate the adjustment of filling balance and improve the quality of products. Rate. Further, the controller 430 may be an oil cylinder or a solenoid valve or the like.

Further, please refer to FIG. 4 to FIG. 12 , as a specific embodiment of the automobile grille injection mold 100 provided by the present invention, the ejector mechanism 70 further includes a plurality of pushers 75 for pushing the push plate 74 to move, each pusher The pusher 75 is mounted on the push plate 74 , and each pusher 75 abuts against the bottom plate 51 . This structure facilitates pushing the push plate 74 . Further, the pusher 75 may be a hydraulic cylinder, or may be other linear drive devices.

Further, please refer to FIG. 6 and FIG. 9 , as a specific embodiment of the automobile grille injection mold 100 provided by the present invention, the front module 10 also includes an upper block 12, and the upper block 12 is arranged on the panel 11 and the front template. 21 in order to support the front formwork 21 on the panel 11 .

Further, please refer to FIG. 6 and FIG. 9 , as a specific embodiment of the automobile grille injection mold 100 provided by the present invention, the rear module 50 further includes a lower block 52, and the lower block 52 is arranged on the bottom plate 51 and the rear template 60 in order to support the rear formwork 60 on the bottom plate 51 .

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection of the utility model.

Claims (10)

1. Automobile grille injection mold, comprising a front module and a rear module, the front module includes a front template, a pouring mechanism installed on the front template and a panel supporting the pouring mechanism; the rear module It includes a rear template, a bottom plate supporting the rear template, and an ejection mechanism installed on the rear template, characterized in that: the front template is provided with a front mold core for forming the front surface of the grille, and the rear template is There is a rear mold core for forming the rear surface of the grille, the front mold core and the rear mold core are combined to form a cavity for forming the grille, and the pouring mechanism includes a plurality of glue feeding nozzles, The flow channel plate that communicates with each of the glue inlet nozzles and the glue inlet tube communicated with the flow channel plate, the face plate is provided with a first through hole, and the glue inlet tube is installed in the first through hole, The flow channel plate is mounted on the panel, the flow channel plate is connected with the front template, and the front template is provided with a second through hole for each of the glue feeding hot nozzles to pass through. The mold core is provided with a third through hole into which each of the glue feeding hot nozzles is inserted; a plurality of the glue feeding hot nozzles include a middle side hot nozzle located in the middle area of one side of the front mold core, and the rear mold core There is a back mold runner connecting each of the middle side hot nozzles. 2 . The injection mold for automobile grille according to claim 1 , wherein the positions corresponding to the two ends of the two sides of the front mold core are respectively provided with side hot nozzles. 3 . 3. The automobile grille injection mold according to claim 2, wherein each of the rear mold runners extends along the width direction of the rear mold core, and each of the rear mold runners corresponds to the grille The position of each bone position is provided with an outlet hole. 4. The injection mold for automobile grille according to claim 3, characterized in that: a movable insert is arranged in the rear mold core, and a flow channel of the rear mold is arranged in the corresponding movable insert, and the top The ejection mechanism includes a plurality of push rods supporting the movable inserts and a push plate supporting each of the push rods. 5. The injection mold for automobile grille according to claim 4, characterized in that: the movable insert comprises a sloping top block and a straight top block fitted with the sloping top block, and a plurality of ejector rods comprise supporting the straight top block. The straight thimble of the top block and the first oblique thimble supporting the oblique top block, the first oblique thimble supporting each of the first oblique thimbles is correspondingly provided on the push plate, and the rear mold flow channel is opened at the A flow channel groove is formed on a side surface of the inclined top block close to the straight top block, the straight top block is attached to the inclined top block and the flow channel groove forms the back mold flow channel. 6. The automobile grille injection mold according to any one of claims 4-5, wherein the ejection mechanism comprises a plurality of slides for cooperating with the mold core to form the undercuts of the grille. A block, a second sloping thimble supporting each of the sliding blocks, and a second sloping top seat supporting each of the second sloping thimbles, and each of the second sloping thimbles is mounted on the push plate. 7. The automobile grille injection mold according to any one of claims 1 to 5, wherein the two ends of the rear mold core are respectively provided with auxiliary flow channels connecting the two corners of each end of the mold core. 8. The automobile grille injection mold according to any one of claims 1 to 5, wherein the plurality of the glue feeding hot nozzles further comprises a direct current hot nozzle located in the middle region of the front core. 9. The automobile grille injection mold according to any one of claims 2-5, wherein the plurality of glue feeding hot nozzles further comprises a plurality of side hot nozzles located on both sides of the front mold core. 10. The automobile grille injection mold according to any one of claims 1 to 5, wherein each of the glue feeding hot nozzles is provided with a needle valve, and each of the glue feeding hot nozzles is provided with a control device. Needle valve controller.

Images