High gloss grille injection mold

Abstract

The present invention provides a high-gloss grille injection mold, including a front mold group and a rear mold group, the front mold group includes a front mold plate, a pouring mechanism and a panel; the rear mold group includes a rear mold plate, a bottom plate and an ejection mechanism, the front mold plate is provided with a front mold core, the rear mold plate is provided with a rear mold core, the front mold core and the rear mold core enclose a molding cavity, the pouring mechanism includes a plurality of hot glue nozzles, a runner plate and a glue inlet pipe, the panel is provided with a first through hole, the glue inlet pipe is installed in the first through hole, the front mold plate is provided with a second through hole for each hot glue nozzle to pass through, and the front mold core is provided with a third through hole for each hot glue nozzle to be inserted. The present invention uses a plurality of hot glue nozzles, and when injecting glue, glue can be injected at multiple positions at the same time, thereby improving the pouring efficiency, and the glue liquid can be heated to facilitate the injection of glue flow, while avoiding the generation of joint marks; and a separate runner plate is provided, so that the glue liquid can flow to each hot glue nozzle faster, further improving the injection efficiency.

Description

Technical Field

[0001] The invention belongs to the field of molds, and more specifically, relates to a high-gloss grille injection mold. Background Art

[0002] For vehicles, the air intake grille is a key factor in determining the refinement of the car's appearance. The car grille is a mesh component with grids on the front of the car. Its main functions are heat dissipation and air intake, as well as decoration of the front face of the car. It is an important part of the appearance of a car and highlights the brand personality. Grille products are installed 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, the injection time is long and the efficiency is low during mold injection. Summary of the invention

[0003] The purpose of the present invention is to provide a high-gloss grille injection mold to solve the problems of long glue injection time and low efficiency in the prior art of the automobile high-gloss grille injection mold.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: to provide a high-gloss grille injection mold, including a front mold group and a rear mold group, the front mold group includes a front template, a pouring mechanism installed on the front template and a panel supporting the pouring mechanism; the rear mold group includes a rear template, a bottom plate supporting the rear template and an ejection mechanism installed on the rear template, the front template is provided with a front mold core for molding the front surface of the grille, the rear template is provided with a rear mold core for molding the rear surface of the grille, the front mold core and the rear mold core are combined to form a cavity for molding the grille, the pouring mechanism includes a plurality of hot glue nozzles, a flow channel plate connecting each of the hot glue nozzles and a glue feed pipe connected to the flow channel plate, a first through hole is opened on the panel, the glue feed pipe is installed in the first through hole, the flow channel plate is installed on the panel, the flow channel plate is connected to the front template, the front template is provided with a second through hole for each of the hot glue nozzles to pass through, and the front mold core is provided with a third through hole for each of the hot glue nozzles to be inserted.

[0005] Furthermore, the plurality of glue injection hot nozzles include a direct current hot nozzle located in the middle area of ​​the front mold core and a plurality of side hot nozzles located on both sides of the front mold core.

[0006] Furthermore, the plurality of glue injection hot nozzles also include a middle hot nozzle located in the middle area of ​​one side of the front mold core.

[0007] Furthermore, a rear mold runner connecting each of the middle side hot nozzles is provided in the rear mold core.

[0008] Furthermore, each of the hot glue feeding nozzles is provided with a needle valve, and each of the hot glue feeding nozzles is installed with a controller for controlling the needle valve.

[0009] Furthermore, a temperature control channel is provided in the front mold core, and a plurality of connecting pipes connected to the temperature control channel are installed in the front mold plate. The high-gloss grille injection mold also includes a steam pipe for supplying steam to the temperature control channel and a cooling water pipe for supplying cooling water to the temperature control channel, and the plurality of connecting pipes are respectively connected to the steam pipe and the cooling water pipe.

[0010] Furthermore, the temperature control flow channel includes a plurality of conformal flow channels arranged along the surface shape of the front mold core and a connecting flow channel connecting the plurality of conformal flow channels, at least one end of each of the conformal flow channels extends to a position corresponding to the surface adjacent to the front mold core, and the plurality of connecting pipes are respectively connected to different connecting flow channels.

[0011] Furthermore, the high-gloss grille injection mold also includes a temperature sensor for detecting the temperature in the cavity, and a mounting hole for mounting the temperature sensor is opened in the front mold core.

[0012] Furthermore, the four corners of the rear template are respectively provided with positioning jaws, and the four corners of the front template are provided with positioning grooves matched with the positioning jaws.

[0013] Furthermore, the rear template has recessed grooves at both ends of the rear mold core, and the two ends of the front mold core have protrusions that fit into the corresponding recessed grooves, and each protrusion protrudes from the front template.

[0014] The beneficial effects of the high-gloss grille injection mold provided by the present invention are: compared with the prior art, the present invention uses multiple glue injection hot nozzles, so that glue can be injected at multiple positions at the same time during glue injection, thereby improving the pouring efficiency, and the glue liquid can be heated to facilitate the injection flow while avoiding the formation of joint marks; and a separate runner plate is provided, so that the glue liquid can flow to each glue injection hot nozzle more quickly, further improving the glue injection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 A schematic structural diagram of a high-gloss grille injection mold provided by an embodiment of the present invention;

[0017] Figure 2 for Figure 1 A schematic cross-sectional structure diagram of a high-gloss grille injection mold;

[0018] Figure 3 for Figure 1 A schematic diagram of the structure of the front module in the high-gloss grille injection mold;

[0019] Figure 4 for Figure 3 A schematic cross-sectional view of the front module shown;

[0020] Figure 5 for Figure 3 The structure of the front mold core in the front mold assembly shown Figure 1 ;

[0021] Figure 6 for Figure 3 The structure of the front mold core in the front mold assembly shown Figure 2 ;

[0022] Figure 7 for Figure 5 A schematic diagram of the layout structure of the temperature control flow channel in the front mold core;

[0023] Figure 8 for Figure 5 A schematic cross-sectional structure diagram of a partial structure of a front mold core;

[0024] Fig. 9 for Figure 3 The schematic diagram of the structure of the pouring mechanism in the front mold group shown Figure 1 ;

[0025] Fig.10 for Figure 3 The schematic diagram of the structure of the pouring mechanism in the front mold group shown Figure 2 ;

[0026] Fig.11 for Figure 1 A schematic diagram of the structure of the rear module of the high-gloss grille injection mold;

[0027] Fig.12 for Fig.11 A schematic diagram of the structure of the rear mold core in the rear mold assembly;

[0028] Fig.13 for Fig.12 The enlarged structure diagram of part B;

[0029] Fig.14 for Fig.11 A schematic diagram of the structure of the ejection mechanism in the rear module;

[0030] Fig.15 for Fig.11 A schematic diagram of the structure of the movable insert and the grille in the rear module;

[0031] Fig.16 for Fig.15 A schematic diagram of the partial structure of the middle inclined top block and the grille;

[0032] Fig.17 for Fig.15 Schematic diagram of the exploded structure of the movable insert.

[0033] Among them, the main marks of the drawings in the figure are:

[0034] 100-high gloss grille injection mold; 101-cavity;

[0035] 10-front module; 11-panel; 12-upper block; 13-heat insulation board;

[0036] 21-front template; 210-accommodating cavity; 211-second through hole; 212-heat insulation sheet; 213-positioning groove; 214-wear-resistant block; 215-first positioning guide column; 216-second accommodation groove; 217-second mounting groove; 22-first positioning assembly; 221-first positioning socket; 222-first positioning plug; 23-second positioning assembly; 231-second positioning socket; 232-second positioning plug; 25-front mold core; 251-protrusion; 252-wear-resistant pad; 253-first positioning convex; 254-second positioning guide column; 255-third through hole;

[0037] 31-temperature control channel; 311-conformal channel; 312-connecting channel; 313-connecting pipe; 315-straight channel; 316-sealing plug; 32-steam pipe; 33-cooling water pipe; 34-gas collecting block; 35-water collecting block;

[0038] 40-casting mechanism; 41-inlet hose; 42-runner plate; 43-inlet hot nozzle; 431-DC hot nozzle; 432-side hot nozzle; 433-middle hot nozzle; 430-controller; 44-side hose; 45-rear mold runner; 451-runner groove; 452-outlet; 46-side middle hose;

[0039] 50-rear module; 51-bottom plate; 52-lower block;

[0040] 60-rear template; 61-rear mold core; 611-recessed groove; 612-first positioning groove; 613-wear-resistant sheet; 614-cooling pipeline; 615-second positioning hole; 616-auxiliary flow channel; 621-positioning jaws; 622-first positioning hole; 623-guide sleeve; 624-first accommodating groove; 625-first mounting groove; 626-pad; 641-water cooling pipeline; 642-water collecting piece;

[0041] 70- ejection mechanism; 71- movable insert; 711- inclined ejector block; 712- straight ejector block; 72- slider; 730- ejector rod; 731- straight ejector pin; 732- first inclined ejector pin; 733- ejector pin; 734- first inclined ejector seat; 735- second inclined ejector pin; 736- second inclined ejector seat; 74- push plate; 75- pusher;

[0042] 90-grid; 91-bone position. DETAILED DESCRIPTION

[0043] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with 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.

[0044] 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.

[0045] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined. The meaning of "several" is one or more, unless otherwise clearly and specifically defined.

[0046] In the description of the present invention, it should be understood that the terms "center", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0047] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0048] Please also read Figures 1 to 17 The high-gloss grille injection mold 100 provided by the present invention is now described. The high-gloss grille injection mold 100 includes a front module 10 and a rear module 50. The front module 10 includes a front template 21, a pouring mechanism 40 and a panel 11. The pouring mechanism 40 is installed on the front template 21, and the front template 21 is supported on the panel 11, and the panel 11 supports the pouring mechanism 40. The rear module 50 includes a rear template 60, a bottom plate 51 and an ejection mechanism 70. The rear template 60 is supported on the bottom plate 51, and the ejection mechanism 70 is installed on the rear template 60. The front template 21 is provided with There is a front mold core 25, which is used to mold the front surface of the grille 90. The rear mold core 61 is provided on the rear mold plate 60, and the rear mold core 61 is used to mold the rear surface of the grille 90. The front mold core 25 and the rear mold core 61 together form a cavity 101 for molding the grille 90. When the high-light grille 90 is injection molded, plastic is injected into the cavity 101 through the pouring mechanism 40. After the injection molding mold is opened, the high-light grille 90 is pushed away from the rear mold core 61 by the ejection mechanism 70 so as to take out the high-light grille 90.

[0049] See also Figure 2 , Fig. 9 , Fig.10 , Figures 15 to 17The pouring mechanism 40 includes a plurality of hot glue injection nozzles 43, a runner plate 42 and a glue injection pipe 41. The runner plate 42 is connected to the hot glue injection nozzles 43, and the glue injection pipe 41 is connected to the runner plate 42 so that plastic can be injected through the glue injection pipe 41 and injected to the hot glue injection nozzles 43 through the runner plate 42 so as to inject glue into the cavity 101. A first through hole (not shown in the figure) is opened on the panel 11, and the glue injection pipe 41 is installed in the first through hole to support the glue injection pipe 41 through the panel 11. The flow channel plate 42 is installed on the panel 11, and the flow channel plate 42 is connected to the front template 21, that is, the flow channel plate 42 is arranged between the front template 21 and the panel 11 to distribute the glue; the front template 21 is provided with a second through hole 211 for each glue hot nozzle 43 to pass through, and the front mold core 25 is provided with a third through hole 255 for each glue hot nozzle 43 to be inserted, so that each glue hot nozzle 43 passes through the front template 21 and the front mold core 25, thereby facilitating the injection of plastic into the cavity 101. By providing a plurality of hot glue injection nozzles 43, glue can be injected into the cavity 101 from a plurality of positions to improve the glue injection efficiency and thus improve the injection molding efficiency; by providing a separate flow channel plate 42, the flow channel can be made larger to better supply glue to each hot glue injection nozzle 43, thereby improving the glue injection efficiency and facilitating the molding of the high-gloss grille 90; in addition, by using the hot glue injection nozzle 43, the plastic can be heated during glue injection to ensure good fluidity of the plastic, which not only facilitates glue injection and improves glue injection efficiency, but also better avoids the formation of joint marks.

[0050] Compared with the prior art, the high-gloss grille injection mold 100 provided by the present invention uses multiple glue injection nozzles 43. When injecting glue, glue can be injected at multiple positions at the same time, thereby improving the pouring efficiency, and the glue liquid can be heated to facilitate the flow of the injected glue while avoiding the formation of joint marks. A separate flow channel plate 42 is provided to make the glue liquid flow to each glue injection nozzle 43 more quickly, thereby further improving the glue injection efficiency.

[0051] For further information, see Figure 1 , Figure 2 and Fig. 9 As a specific embodiment of the high gloss grille injection mold 100 provided by the present invention, the glue inlet pipe 41 can adopt a large diameter pipe, that is, the inner diameter of the glue inlet pipe 41 is larger than the inner diameter of the flow channel in the flow channel plate 42 to improve the casting efficiency.

[0052] For further information, see Fig. 9 and Fig.10As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, the multiple glue injection nozzles 43 include a direct current nozzle 431 and multiple side nozzles 432. The direct current nozzle 431 is located in the middle area of ​​the front mold core 25 so as to directly inject glue into the middle area of ​​the cavity 101; and the multiple side 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, thereby improving the glue injection efficiency and avoiding the generation of joint marks; and the side nozzles 432 are arranged on the side of the front mold core 25, so as to avoid the generation of joint marks on the front surface of the grille 90, and facilitate the generation of a high-gloss front surface on the grille 90.

[0053] For further information, see Figure 3 , Fig. 9 and Fig.10 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, each side hot nozzle 432 is connected to the surface of the front mold core 25 through a side rubber hose 44, so that when the front mold core 25 and the rear mold core 61 are combined to form the cavity 101, each side hot nozzle 432 is connected to the cavity 101 through the side rubber hose 44 to avoid the formation of joint marks on the front surface of the grille 90.

[0054] For further information, see Figure 3 , Fig. 9 and Fig.10 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, side hot nozzles 432 are respectively provided at the corresponding positions at both ends of both sides of the front mold core 25, that is, side hot nozzles 432 are respectively provided at both ends of each side of the front mold core 25, so that glue can be injected into the four corner areas of the cavity 101 at the same time, thereby improving the glue injection efficiency.

[0055] For further information, see Figure 3 , Fig. 9 , Fig.10 , Figures 15 to 17 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, the above-mentioned hot nozzle 43 for injection also includes a middle hot nozzle 433 located in the middle area of ​​one side of the front mold core 25. The middle hot nozzle 433 is provided to inject glue on one side of the middle of the cavity 101, and the casting efficiency is higher.

[0056] For further information, see Figure 3 , Fig. 9 , Fig.10 , Figures 15 to 17 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, a rear mold runner 45 connected to each middle side hot nozzle 433 is provided in the rear mold core 61. The rear mold runner 45 can be provided to inject glue faster, improve efficiency, and avoid joint marks; at the same time, the rear mold runner 45 is provided in the rear mold core 61 to form a hidden runner, which can better avoid joint marks on the front surface of the grille 90.

[0057] Furthermore, each middle side hot nozzle 433 is connected to the rear mold runner 45 through the side middle rubber hose 46 to avoid the generation of joint marks on the front surface of the grille 90.

[0058] For further information, see Figure 3 , Fig. 9 , Fig.10 , Figures 15 to 17 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, each rear mold runner 45 is extended along the width direction of the rear mold core 61, and each rear mold runner 45 is provided with an outlet hole 452 corresponding to the position of each bone position 91 of the grille 90. Each rear mold runner 45 is extended along the width direction of the rear mold, and an outlet hole 452 corresponding to the position of each bone position 91 of the grille 90 is provided on the rear mold runner 45. When pouring, glue can be injected into the position corresponding to each bone position 91 on the grille 90 in the cavity 101 through the rear mold runner 45, thereby improving the glue injection efficiency.

[0059] For further information, see Figures 9 to 17 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, a movable insert 71 is provided in the rear mold core 61, and the rear mold runner 45 is provided in the corresponding 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. The movable insert 71 is provided in the rear mold, which not only facilitates the processing and manufacturing of the rear mold core 61, but also facilitates the ejector pins 730 to push the movable insert 71 out when the mold is opened, so as to push the manufactured grille 90 away from the rear mold core 61. The rear mold runner 45 is provided in the movable insert 71, so that the rear mold runner 45 can be manufactured in the movable insert 71 alone, which is convenient for processing and manufacturing. Of course, in some other embodiments, the rear mold runner 45 can also be directly manufactured in the rear mold core 61.

[0060] For further information, see Figures 9 to 17As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, the movable insert 71 includes an inclined ejector block 711 and a straight ejector block 712 attached to the inclined ejector block 711, a plurality of ejector rods 730 include a straight ejector pin 731 supporting the straight ejector block 712 and a first inclined ejector pin 732 supporting the inclined ejector block 711, and a first inclined ejector seat 734 supporting each first inclined ejector pin 732 is correspondingly provided on the push plate 74, a flow channel groove 451 is opened on one side surface of the inclined ejector block 711 close to the straight ejector block 712, and the straight ejector block 712 is attached to the inclined ejector block 711 and the flow channel groove 451 forms a rear mold flow channel 45. The movable insert 71 is formed by combining the inclined ejector block 711 and the straight ejector block 712, and the flow channel groove 451 is opened on the side of the inclined ejector block 711. After the straight ejector block 712 is attached to the inclined ejector block 711, the straight ejector block 712 covers the flow channel groove 451 to form the rear mold flow channel 45, and the flow channel is easy to process and manufacture. In addition, the straight ejector block 712 is connected to the straight ejector pin 731, and the straight ejector pin 731 is connected to the push plate 74, and the inclined ejector block 711 is connected to the first inclined ejector pin 732, and the first inclined ejector seat 734 is set on the push plate 74, so that when the movable insert 71 pushes the grille 90 away from the rear mold core 61 during mold opening, the straight ejector block 712 will be separated from the inclined ejector block 711, so as to take out the plastic in the rear mold flow channel 45, so as to facilitate the emptying of the plastic in the rear mold flow channel 45. Of course, in some other embodiments, two straight top blocks 712 may be used, and the flow channel groove 451 structure is provided on one of the straight top blocks 712 .

[0061] For further information, see Figures 9 to 17 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, the ejection mechanism 70 further includes a plurality of ejection pins 733. A first opening (not shown in the figure) for each ejection pin 733 to pass through is provided in the rear mold plate 60. Each ejection pin 733 is mounted on a push plate 74. This structure facilitates ejecting the manufactured grille 90 from the rear mold core 61.

[0062] For further information, see Figures 9 to 17 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, the ejection mechanism 70 also includes a plurality of sliders 72 for cooperating with the rear mold core 61 to form the undercut of the grille 90, a second inclined ejector pin 735 supporting each slider 72, and a second inclined ejector seat 736 supporting each second inclined ejector pin 735, each second inclined ejector seat 736 is installed on the push plate 74. The sliders 72, the second inclined ejector pin 735 and the second inclined ejector seat 736 are provided so as to form the undercut structure on the grille 90 during injection molding. Furthermore, a corresponding slide groove (not shown in the figure) is opened on the rear mold core 61, and each slider 72 is slidably installed in the corresponding slide groove.

[0063] For further information, see Fig.12 and Fig.13As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, auxiliary flow channels 616 are respectively provided at both ends of the rear mold core 61 to connect the two corners of each end of the rear mold core 61. Since the size of the grille 90 is relatively large, the auxiliary flow channels 616 are provided. When the grille 90 is molded, the adjacent two corners at both ends of the grille 90 can be connected to prevent the grille 90 from deforming.

[0064] For further information, see Figures 9 to 17 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, each glue hot nozzle 43 is provided with a needle valve (not shown in the figure), and each glue hot nozzle 43 is installed with a controller 430 for controlling the needle valve. That is, the glue hot nozzle 43 is a valve hot nozzle, so that the switch of each glue hot nozzle 43 can be controlled by each controller 430, and then the glue feeding amount can be controlled, which can not only improve efficiency, but also facilitate filling balance adjustment and improve the yield rate. Furthermore, the controller 430 can be an oil cylinder, or a solenoid valve, etc.

[0065] For further information, see Figures 9 to 17 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, the ejection mechanism 70 also includes a plurality of pushers 75 for pushing the push plate 74 to move, each pusher 75 is installed on the push plate 74, and each pusher 75 abuts against the bottom plate 51. This structure facilitates pushing the push plate 74. Furthermore, the pusher 75 can be a hydraulic cylinder or other linear drive devices.

[0066] For further information, see Figure 1 and Fig.11 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, a cooling pipeline 614 is provided in the rear mold plate 60, and the rear mold assembly 50 further includes a plurality of water cooling pipelines 641, each cooling pipeline 614 is connected to the water cooling pipeline 641, so as to cool down the rear mold core 61. Furthermore, a water collecting member 642 is installed on the rear mold plate 60, and each water cooling pipeline 641 is connected to the water collecting member 642, so as to control the cooling water to be introduced into or discharged from each water cooling pipeline 641, and at the same time facilitate the connection of an external cooling water supply device.

[0067] For further information, see Fig.11 and Fig.14 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, each straight ejector pin 731 is provided with a first water channel (not shown in the figure), and the first water channel is connected to the water cooling pipe 641 so that the rear mold core 61 can be cooled through the straight ejector pin 731 for rapid cooling.

[0068] For further information, see Fig.11 and Fig.14As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, each first inclined ejector pin 732 is provided with a second water channel (not shown in the figure), and the second water channel is connected to the water cooling pipe 641 so that the rear mold core 61 can be cooled through the first inclined ejector pin 732 for rapid cooling.

[0069] For further information, see Fig.11 and Fig.14 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, each second inclined ejector pin 735 is provided with a third water channel (not shown in the figure), and the third water channel is connected to the water cooling pipe 641 so that the rear mold core 61 can be cooled through the second inclined ejector pin 735 for rapid cooling.

[0070] For further information, see Fig.11 and Fig.14 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, each ejector pin 733 is provided with a fourth water channel (not shown in the figure), and the fourth water channel is connected to the water cooling pipe 641 so that the rear mold core 61 can be cooled through the ejector pin 733 for rapid cooling.

[0071] For further information, see Fig.11 and Fig.14 As a specific embodiment of the high-gloss 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 between the panel 11 and the front template 21 to facilitate supporting the front template 21 on the panel 11.

[0072] For further information, see Fig.11 and Fig.14 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, the rear module 50 also includes a lower block 52, and the lower block 52 is arranged between the bottom plate 51 and the rear template 60 to facilitate supporting the rear template 60 on the bottom plate 51.

[0073] For further information, see Figures 1 to 3 ,as well as Figures 6 to 8As a specific embodiment of the high-light grille injection mold 100 provided by the present invention, a temperature control channel 31 is provided in the front mold core 25, and a plurality of connecting pipes 313 connected to the temperature control channel 31 are installed in the front mold plate 21. The high-light grille injection mold 100 also includes a steam pipe 32 for supplying steam to the temperature control channel 31 and a cooling water pipe 33 for supplying cooling water to the temperature control channel 31. The plurality of connecting pipes 313 are respectively connected to the steam pipe 32 and the cooling water pipe 33. A temperature control channel 31 is provided in the front mold core 25, and the temperature control channel 31 is connected to a steam pipe 32 and a cooling water pipe 33, so that after the mold is closed, steam can be introduced into the temperature control channel 31 to heat the front mold core 25 and the cavity 101, thereby ensuring the fluidity of the glue during pouring and facilitating pouring; and after the pouring is completed, cooling water can be introduced into the temperature control channel 31 to quickly cool the front mold core 25 and the product in the cavity 101, so as to produce the high-gloss grille 90; in addition, the temperature control channel 31 of this structure can heat the front mold core 25 and cool the front mold core 25, has more comprehensive functions, can cool down faster, and improves efficiency, and at the same time, can also conveniently design and layout the temperature control channel 31.

[0074] For further information, see Figures 1 to 3 ,as well as Figures 6 to 8 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, there are multiple steam pipes 32, and one end of each steam pipe 32 is respectively connected to a connecting pipe 313. By providing multiple steam pipes 32 and connecting each steam pipe 32 to the connecting pipe 313, steam can be introduced into the temperature control channel 31 from multiple positions at the same time, thereby heating the front mold core 25 more quickly.

[0075] For further information, see Figures 1 to 3 ,as well as Figures 6 to 8 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, a gas collecting block 34 is provided on the front template 21, and the other end of each steam pipe 32 is connected to the gas collecting block 34. The gas collecting block 34 is provided, and each steam pipe 32 is connected to the gas collecting block 34, so that the steam supply to each steam pipe 32 can be easily controlled at the same time, which is convenient for control and also convenient for connection with an external steam source.

[0076] For further information, see Figures 1 to 3 Each steam pipe 32 is made of a high temperature and high pressure resistant pipe, preferably a bellows. Specifically, the steam pipe 32 needs to be able to withstand a temperature of 250°C and a pressure of 1.6Mpa.

[0077] For further information, see Figures 1 to 3 ,as well as Figures 6 to 8As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, there are multiple cooling water pipes 33, and one end of each cooling water pipe 33 is respectively connected to a connecting pipe 313. By providing multiple cooling water pipes 33 and connecting each cooling water pipe 33 to the connecting pipe 313, cooling water can be introduced into the temperature control channel 31 from multiple positions at the same time, thereby cooling the front mold core 25 more quickly.

[0078] For further information, see Figures 1 to 3 ,as well as Figures 6 to 8 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, a water collecting block 35 is provided on the front template 21, and the other end of each cooling water pipe 33 is connected to the water collecting block 35. The water collecting block 35 is provided, and each cooling water pipe 33 is connected to the water collecting block 35, so that cooling water can be easily supplied to each cooling water pipe 33 at the same time, which is convenient for control and also convenient for connection with an external cooling water source.

[0079] For further information, see Figures 1 to 3 ,as well as Figures 6 to 8 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, the high-gloss grille injection mold 100 also includes a multi-way control valve (not shown in the figure), each steam pipe 32 is connected to the multi-way control valve, and each cooling water pipe 33 is connected to the multi-way control valve. The multi-way control valve can be conveniently controlled to pass steam into the steam pipe 32 or to pass cooling water into the cooling water pipe 33, and then control the temperature of the front mold core 25 through the temperature control channel 31. Preferably, the multi-way control valve is connected to the gas collecting block 34 through the steam pipe 32, and the gas collecting block 34 is connected to a part of the connecting pipe 313 through the steam pipe 32; the multi-way control valve is connected to the water collecting block 35 through the cooling water pipe 33, and the water collecting block 35 is connected to a part of the connecting pipe 313 through the cooling water pipe 33, so as to better control the passage of steam or cooling water into the temperature control channel 31. Of course, in some embodiments, control valves can also be set separately to control the supply of steam or cooling water separately.

[0080] For further information, see Figures 6 to 8 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, the temperature control flow channel 31 is a plurality of interconnected direct current channels 315 opened in the front mold core 25, each direct current channel 315 extends inward from the four sides of the front mold core 25, and a high-temperature resistant sealing plug 316 is installed in the front mold core 25 to block part of the direct current channel 315, thereby forming a flow channel for steam or cooling water to pass through in the front mold core 25. The sealing plug 316 can be a copper plug.

[0081] For further information, see Figures 6 to 8As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, when the temperature-controlled flow channel 31 is processed and manufactured, after the direct flow channel 315 is manufactured, a copper plug can be used first, and then a tapered throat tooth and a high-temperature resistant glue can be used to seal it to ensure that there is no air or water leakage. The copper plug is extended to the intersection of adjacent direct flow channels 315 to prevent steam loss.

[0082] For further information, see Figures 6 to 8 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, the temperature control flow channel 31 includes a plurality of conformal flow channels 311 and a plurality of connecting flow channels 312. The plurality of conformal flow channels 311 are connected so that steam or cooling water can enter each conformal flow channel 311. The layout of these conformal flow channels 311 is arranged along the surface shape of the front mold core 25. Even when the conformal flow channels 311 are designed and arranged, at least one end of each conformal flow channel 311 extends to the position corresponding to the surface of the adjacent front mold core 25, so that more and more uniform conformal flow channels 311 are distributed on the surface of the front mold core 25, so that these conformal flow channels 311 surround the surface of the front mold core 25, so that the temperature of the surface of the front mold core 25 can be adjusted more quickly, and then the temperature of the cavity 101 can be adjusted more quickly. A plurality of connecting pipes 313 are respectively connected to different connecting flow channels 312, so that steam or cooling water can enter through different positions, so that the front mold core 25 can be heated or cooled more quickly.

[0083] For further information, see Figures 6 to 8 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, the distance between at least one end of each conformal flow channel 311 and the surface of the front mold core 25 is in the range of 8-10 mm, so that when steam is passed into the conformal flow channel 311, the surface of the front mold core 25 can be heated more quickly, and when cooling water is passed into the conformal flow channel 311, the surface of the front mold core 25 can be cooled more quickly.

[0084] For further information, see Figures 6 to 8 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, the distance between two adjacent conformal flow channels 311 close to one end of the surface of the front mold core 25 is in the range of 20-25 mm; so as to arrange the conformal flow channels 311 more evenly, and thus heat or cool the surface of the front mold core 25 more evenly. Preferably, the distance between two adjacent conformal flow channels 311 close to one end of the surface of the front mold core 25 is 22 mm.

[0085] For further information, see Figures 6 to 8 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, the diameter of each conformal flow channel 311 ranges from 8 to 12 mm, so as to facilitate the flow of steam or cooling water, and to facilitate processing and manufacturing, and ensure the good strength of the front mold core 25. Preferably, the diameter of the conformal flow channel 311 is 10 mm.

[0086] For further information, see Figures 6 to 8 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, the diameter of each connecting flow channel 312 is greater than or equal to the diameter of each conformal flow channel 311 to allow steam or cooling water to flow.

[0087] For further information, see Figures 6 to 8 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, the high-gloss grille injection mold 100 further includes a temperature sensor (not shown in the figure) for detecting the temperature in the cavity 101, and a mounting hole for mounting the temperature sensor is provided in the front mold core 25. The temperature sensor can monitor the temperature of the front mold core 25 and the cavity 101 in real time, and better control the temperature of the front mold core 25.

[0088] For further information, see Figure 1 , Figure 2 and Figure 4 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, a heat insulation board 13 is provided on the panel 11 to reduce heat loss and improve heat utilization.

[0089] For further information, see Figures 1 to 3 , Fig.11 and Fig.12 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, the four corners of the rear mold plate 60 are respectively provided with positioning jaws 621, and the four corners of the front mold plate 21 are provided with positioning grooves 213 that cooperate with the positioning jaws 621, so that when the mold is closed, the positioning jaws 621 can be inserted into the corresponding positioning grooves 213 to position the rear mold plate 60 and the front mold plate 21, and then the rear mold core 61 and the front mold core 25 are positioned. And a plurality of wear-resistant sheets 613 are respectively provided on the side of the rear mold core 61. The wear-resistant sheets 613 are provided on the side of the rear mold core 61, and in the process of closing the mold between the front mold core 25 and the rear mold core 61, the side of the front mold core 25 will contact the wear-resistant sheets 613, so that the front mold core 25 is positioned by the wear-resistant sheets 613, so that the front mold core 25 and the rear mold core 61 are accurately positioned, and the front mold core 25 can be protected to avoid wear of the front mold core 25 and the rear mold core 61.

[0090] For further information, see Figure 1 , Figure 3 and Fig.11 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, a wear-resistant block 214 is provided on the side of each positioning groove 213 to reduce the wear of the positioning jaws 621 and the side walls of the positioning groove 213 and improve the positioning accuracy.

[0091] For further information, see Figure 1, Figure 3 and Fig.11 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, the four corners of the rear template 60 are respectively provided with first positioning holes 622 corresponding to the positions of the positioning jaws 621, and the four corners of the front template 21 are respectively provided with first positioning guide pillars 215 that cooperate with the first positioning holes 622 for positioning. The first positioning holes 622 are provided on the positioning jaws 621, and the first positioning guide pillars 215 are correspondingly provided on the front template 21. When the mold is closed, the first positioning guide pillars 215 are inserted into the corresponding first positioning holes 622 to play a role in preliminary positioning, and then the positioning jaws 621 are extended into the corresponding positioning grooves 213 to further improve the positioning accuracy. Furthermore, a mounting hole (not shown in the figure) can be provided at the bottom of the positioning groove 213, and the first positioning guide pillars 215 are installed in the corresponding mounting holes, so that during production, the front template 21 and the first positioning guide pillars 215 can be produced separately, thereby improving the production accuracy.

[0092] For further information, see Figure 1 , Figure 3 and Fig.11 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, a guide sleeve 623 is installed in each first positioning hole 622. The guide sleeve 623 is arranged in each first positioning hole 622, so that when the first positioning guide column 215 is inserted into the corresponding first positioning hole 622, the first positioning guide column 215 can be guided and positioned by the guide sleeve 623, so that the first positioning guide column 215 is inserted into the corresponding first positioning hole 622. At the same time, during processing and manufacturing, the guide sleeve 623 can be processed and manufactured separately to improve the manufacturing accuracy, thereby improving the positioning accuracy of the front template 21 and the rear template 60.

[0093] For further information, see Figure 1 , Figure 3 and Fig.11 As a specific embodiment of the high-light grille injection mold 100 provided by the present invention, a first positioning groove 612 is provided on at least one side of the rear mold core 61, and a first positioning protrusion 253 is correspondingly provided on the front mold core 25 to be inserted into the corresponding first positioning groove 612. The first positioning groove 612 is provided on the side of the rear mold core 61, and the first positioning protrusion 253 is correspondingly provided on the front mold core 25, so that when the front mold core 25 and the rear mold core 61 are molded together, the first positioning protrusion 253 can be inserted into the corresponding first positioning groove 612, so as to better position the front mold core 25 and the rear mold core 61, improve the positioning accuracy, and further improve the accuracy of manufacturing the high-light grille 90.

[0094] For further information, see Figure 1 , Figure 3 and Fig.11As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, a second positioning guide column 254 is installed on each first positioning protrusion 253, and a second positioning hole 615 matching with each second positioning guide column 254 is opened at the bottom of each first positioning groove 612, so that when the front mold core 25 and the rear mold core 61 are molded, the second positioning guide column 254 can be inserted into the corresponding second positioning hole 615 to better guide and position the front mold core 25 and the rear mold core 61, and then the first positioning protrusion 253 is inserted into the corresponding first positioning groove 612 to further improve the positioning accuracy.

[0095] For further information, see Figure 1 , Figure 3 and Fig.11 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, a plurality of pads 626 are respectively provided on the four sides of the rear mold plate 60, and a plurality of second positioning grooves (not shown in the figure) for positioning and installing the pads 626 are provided on the rear mold plate 60. The pads 626 are provided on the four sides of the rear mold plate 60 to better support the front mold plate 21, thereby adjusting the distance between the front mold core 25 and the rear mold core 61, and avoiding extrusion deformation between the front mold core 25 and the rear mold core 61.

[0096] For further information, see Figure 1 , Figure 3 and Fig.12 As a specific embodiment of the high-light grille injection mold 100 provided by the present invention, the high-light grille injection mold 100 also includes a first positioning component 22 for positioning the two ends of the front template 21 and the two ends of the rear template 60, and the first positioning component 22 includes a first positioning socket 221 and a first positioning plug 222 that cooperates with the first positioning socket 221 for positioning; the two ends of the rear template 60 are respectively provided with a first accommodating groove 624, and the two ends of the front template 21 are respectively provided with a second accommodating groove 216; the first positioning socket 221 is installed in the first accommodating groove 624, and the first positioning plug 222 is installed in the second accommodating groove 216; so that when the front template 21 and the rear template 60 are molded together, the first positioning plug 222 is inserted into the first positioning socket 221 to position the rear template 60 and the front template 21, thereby improving the positioning accuracy. The first positioning component 22 is provided, and the first receiving groove 624 is opened on the rear template 60, and the second receiving groove 216 is provided on the front template 21. The first positioning component 22 can be manufactured separately to facilitate processing and manufacturing, improve manufacturing accuracy, and further improve positioning accuracy. In some other embodiments, the first positioning plug 222 can also be installed in the first receiving groove 624, and the first positioning socket 221 can be installed in the second receiving groove 216.

[0097] For further information, see Figure 1 , Figure 3 and Fig.12 As a specific embodiment of the high-light grille injection mold 100 provided by the present invention, the high-light grille injection mold 100 also includes a second positioning component 23 for positioning the two sides of the front template 21 and the two sides of the rear template 60, the second positioning component 23 includes a second positioning socket 231 and a second positioning plug 232 that cooperates with the second positioning socket 231 for positioning; the two sides of the rear template 60 are respectively provided with first mounting grooves 625, and the two sides of the front template 21 are respectively provided with second mounting grooves 217; the second positioning socket 231 is installed in the first mounting groove 625, and the second positioning plug 232 is installed in the second mounting groove 217; so that when the front template 21 and the rear template 60 are molded together, the second positioning plug 232 is inserted into the second positioning socket 231 to position the rear template 60 and the front template 21, thereby improving the positioning accuracy. The second positioning component 23 is provided, and the first mounting groove 625 is provided on the rear template 60, and the second mounting groove 217 is provided on the front template 21. The second positioning component 23 can be manufactured separately to facilitate processing and manufacturing, improve manufacturing accuracy, and further improve positioning accuracy. In some other embodiments, the second positioning plug 232 can also be installed in the first mounting groove 625, and the second positioning socket 231 can be installed in the second mounting groove 217.

[0098] For further information, see Figure 1 , Figure 3 and Fig.12 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, the rear mold plate 60 has recessed grooves 611 at both ends of the rear mold core 61, and the two ends of the front mold core 25 have protrusions 251 that fit into the corresponding recessed grooves 611, and each protrusion 251 protrudes from the front mold plate 21. The recessed grooves 611 are set in the rear mold plate 60, and the protrusions 251 are set at both ends of the front mold core 25. When the mold is closed, the protrusions 251 are inserted into the corresponding recessed grooves 611, which can not only achieve more accurate positioning and improve positioning accuracy, but also reduce the mold volume, and make the front mold core 25 and the rear mold core 61 more stable after the mold is closed.

[0099] Furthermore, a plurality of wear-resistant pads 252 are provided on the side of each protrusion 251 to facilitate better positioning and reduce wear during mold closing.

[0100] For further information, see Figure 2 , Figure 3 and Figure 4As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, a receiving cavity 210 is provided in the front template 21, and the front mold core 25 is installed in the receiving cavity 210. The front mold core 25 is made separately from the front template 21, which can facilitate processing and improve precision. Of course, in some other embodiments, the front template 21 and the front mold core 25 can also be made in one piece.

[0101] For further information, see Figure 2 , Figure 3 and Figure 4 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, the front mold core 25 and the front mold plate 21 are manufactured separately, which can also facilitate the processing and manufacturing of the temperature control flow channel 31 in the front mold core 25.

[0102] For further information, see Figure 2 , Figure 3 and Figure 4 As a specific embodiment of the high-gloss grille injection mold 100 provided by the present invention, a plurality of heat insulation sheets 212 are provided in the accommodating cavity 210, and the heat insulation sheets 212 are provided between the front mold plate 21 and the front mold core 25 to reduce heat loss.

[0103] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-gloss grille injection mold, comprising a front mold group and a rear mold group, wherein the front mold group comprises a front mold plate, a pouring mechanism mounted on the front mold plate, and a panel supporting the pouring mechanism; the rear mold group comprises a rear mold plate, a bottom plate supporting the rear mold plate, and an ejection mechanism mounted on the rear mold plate, characterized in that: The front mold plate is provided with a front mold core for molding the front surface of the grille, the rear mold core is provided with a rear mold core for molding the rear surface of the grille, the front mold core and the rear mold core together form a mold cavity for molding the grille, the pouring mechanism includes a plurality of hot glue injection nozzles, a flow channel plate connected to each of the hot glue injection nozzles, and a glue injection pipe connected to the flow channel plate, the panel is provided with a first through hole, the glue injection pipe is installed in the first through hole, the flow channel plate is installed on the panel, the flow channel plate is connected to the front mold plate, the front mold plate is provided with a second through hole for each of the hot glue injection nozzles to pass through, and the front mold core is provided with a third through hole for each of the hot glue injection nozzles to be inserted into; The plurality of hot glue injection nozzles include a middle hot nozzle located in the middle area of ​​one side of the front mold core, a rear mold core is provided with a rear mold runner connecting the plurality of middle hot nozzles, a movable insert is provided in the rear mold core, the ejection mechanism includes a plurality of ejector rods supporting the movable insert and a push plate supporting each of the ejector rods, the rear mold runner is provided in the corresponding movable insert, the movable insert includes an inclined ejector block and a straight ejector block affixed to the inclined ejector block, a plurality of the ejector rods include a straight ejector pin supporting the straight ejector block and a first inclined ejector pin supporting the inclined ejector block, a first inclined ejector seat supporting each of the first inclined ejector pins is correspondingly provided on the push plate, a runner groove is provided on one side surface of the inclined ejector block close to the straight ejector block, the straight ejector block is affixed to the inclined ejector block and the runner groove forms the rear mold runner.

2. The high gloss grille injection mold according to claim 1, characterized in that: The multiple glue injection hot nozzles include a direct current hot nozzle located in the middle area of ​​the front mold core and multiple side hot nozzles located on both sides of the front mold core.

3. The high gloss grille injection mold according to any one of claims 1 to 2, characterized in that: A needle valve is arranged in each of the hot glue inlet nozzles, and a controller for controlling the needle valve is installed on each of the hot glue inlet nozzles.

4. The high gloss grille injection mold according to any one of claims 1 to 2, characterized in that: A temperature control channel is provided in the front mold core, and a plurality of connecting pipes connected to the temperature control channel are installed in the front mold plate. The high-gloss grille injection mold also includes a steam pipe for supplying steam to the temperature control channel and a cooling water pipe for supplying cooling water to the temperature control channel. The plurality of connecting pipes are respectively connected to the steam pipe and the cooling water pipe.

5. The high gloss grille injection mold according to claim 4, characterized in that: The temperature control flow channel includes a plurality of conformal flow channels arranged along the surface shape of the front mold core and a connecting flow channel connecting the plurality of conformal flow channels. At least one end of each of the conformal flow channels extends to a position corresponding to the surface adjacent to the front mold core, and the plurality of connecting pipes are respectively connected to different connecting flow channels.

6. The high gloss grille injection mold according to any one of claims 1 to 2, characterized in that: The high-gloss grille injection mold also includes a temperature sensor for detecting the temperature in the cavity, and a mounting hole for mounting the temperature sensor is opened in the front mold core.

7. The high gloss grille injection mold according to any one of claims 1 to 2, characterized in that: The four corners of the rear template are respectively provided with positioning jaws, and the four corners of the front template are provided with positioning grooves matched with the positioning jaws.

8. The high gloss grille injection mold according to any one of claims 1 to 2, characterized in that: The rear template has recessed grooves at both ends of the rear mold core, and the two ends of the front mold core have protrusions that fit into the corresponding recessed grooves, and each protrusion protrudes out of the front template.

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