CN111497143A

CN111497143A - Highlight grid injection mold

Info

Publication number: CN111497143A
Application number: CN201910092528.9A
Authority: CN
Inventors: 胡作寰; 高国利; 黄影文; 张森; 黄新佳; 陈真吉; 张兵; 古安平
Original assignee: Shenzhen Silver Basis Technology Co Ltd
Current assignee: Shenzhen Silver Basis Technology Co Ltd
Priority date: 2019-01-30
Filing date: 2019-01-30
Publication date: 2020-08-07

Abstract

The invention provides a highlight grating 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, a front mold core is arranged on the front template, a rear mold core is arranged on the rear template, the front mold core and the rear mold core surround a forming cavity, the pouring mechanism comprises a plurality of glue feeding hot nozzles, a runner plate and a glue feeding pipe, a first through hole is formed in the panel, the glue feeding pipe is installed in the first through hole, second through holes for the glue feeding hot nozzles to penetrate are formed in the front template, and third through holes for the glue feeding hot nozzles to insert are formed in the front mold core. According to the invention, by using the plurality of glue inlet hot nozzles, glue can be injected at a plurality of positions simultaneously during glue injection, so that the pouring efficiency is improved, the glue solution can be heated, the glue injection can flow conveniently, and the generation of joint marks is avoided; and set up independent runner plate, can make the glue solution flow to each advance gluey hot mouth more fast, further improve and advance gluey efficiency.

Description

Highlight grid injection mold

Technical Field

The invention belongs to the field of molds, and particularly relates to a highlight grating injection mold.

Background

For vehicles, the air intake grill is a critical factor in determining the elegance of the appearance of the automobile. The automobile grille is a net-shaped part with one lattice at the automobile head part, has the main functions of heat dissipation and air intake, and decoration of the automobile head front face, is an important part played by a vehicle color value, and shows brand individuality. The grid product is assembled on the head of an automobile, is exposed in a large area, and requires high light on the surface. However, the automobile grille is large in size, so that the glue feeding time is long and the efficiency is low when the mold is used for injection molding.

Disclosure of Invention

The invention aims to provide a highlight grid injection mold, which aims to solve the problems of long glue feeding time and low efficiency of an automobile highlight grid injection mold in the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: the highlight grating injection mold comprises a front mold set and a rear mold set, wherein the front mold set comprises a front mold plate, a pouring mechanism arranged on the front mold plate and a panel supporting the pouring mechanism; the rear module group comprises a rear template, a bottom plate supporting the rear template and an ejection mechanism arranged on the rear template, the front template is provided with a front mold core for molding the front surface of the grating, the rear template is provided with a rear mold core for molding the rear surface of the grating, the front mold core and the rear mold core surround a cavity for molding the grating, the pouring mechanism comprises a plurality of glue inlet hot nozzles, runner plates communicated with the glue inlet hot nozzles and glue inlet pipes communicated with the runner plates, the panel is provided with a first through hole, the rubber inlet pipe is arranged in the first through hole, the runner plate is arranged on the panel, the runner plate is connected with the front template, second through holes for the glue inlet hot nozzles to penetrate through are formed in the front template, and third through holes for the glue inlet hot nozzles to insert into are formed in the front mold core.

Furthermore, a plurality of the hot mouths of advancing glue include the hot mouth of direct current that is located preceding mold core middle part is regional and is located a plurality of side hot mouths of preceding mold core both sides.

Furthermore, the plurality of glue inlet hot nozzles also comprise a middle hot nozzle positioned in the middle area of one side of the front mold core.

Furthermore, a rear mold runner connected with each middle side hot nozzle is arranged in the rear mold core.

Furthermore, a needle valve is arranged in each glue inlet hot nozzle, and a controller for controlling the needle valve is installed on each glue inlet hot nozzle.

Furthermore, a temperature control flow channel is arranged in the front mold core, a plurality of connecting pipes communicated with the temperature control flow channel are installed in the front mold plate, the highlight grating injection mold further comprises a steam pipe used for supplying steam into the temperature control flow channel and a cooling water pipe used for supplying cooling water into the temperature control flow channel, and the connecting pipes are respectively connected with the steam pipe and the cooling water pipe.

Furthermore, the temperature control flow channel comprises a plurality of shape following flow channels arranged along the surface shape of the front mold core and a connecting flow channel for communicating the shape following flow channels, at least one end of each shape following flow channel extends to a position corresponding to the surface of the adjacent front mold core, and the connecting pipes are respectively communicated with different connecting flow channels.

Furthermore, highlight grid injection mold still includes and is used for surveying the temperature sensor of temperature in the die cavity, it has to open in the preceding mold core the mounting hole of installation temperature sensor.

Furthermore, four corners of the rear template are respectively provided with a positioning web, and four corners of the front template are provided with positioning grooves matched with the positioning webs.

Furthermore, the rear template is provided with concave grooves at two ends of the rear mold core respectively, two ends of the front mold core are provided with convex parts which are matched with and extend into the corresponding concave grooves respectively, and each convex part is arranged to protrude out of the front template.

The highlight grating injection mold provided by the invention has the beneficial effects that: compared with the prior art, the glue injection device has the advantages that by using the plurality of glue inlet hot nozzles, glue can be injected at a plurality of positions simultaneously during glue injection, so that the pouring efficiency is improved, glue can be heated so as to facilitate the glue injection to flow, and the generation of joint marks is avoided; and set up independent runner plate, can make the glue solution flow to each advance gluey hot mouth more fast, further improve and advance gluey efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive work.

Fig. 1 is a schematic structural diagram of a highlight grid injection mold according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the highlight grid injection mold of FIG. 1;

FIG. 3 is a schematic structural diagram of a front mold assembly of the high light grid injection mold of FIG. 1;

FIG. 4 is a cross-sectional view of the front module shown in FIG. 3;

FIG. 5 is a first schematic structural view of a front core of the front mold assembly shown in FIG. 3;

FIG. 6 is a second schematic structural view of a front core of the front mold assembly shown in FIG. 3;

FIG. 7 is a schematic view of the layout structure of the temperature controlled flow channels in the front mold core of FIG. 5;

FIG. 8 is a cross-sectional structural view of a part of the structure of the front core of FIG. 5;

FIG. 9 is a first schematic view of a casting mechanism in the front mold set shown in FIG. 3;

FIG. 10 is a second schematic structural view of a pouring mechanism in the front mold set shown in FIG. 3;

FIG. 11 is a schematic structural view of a back mold assembly in the highlight grid injection mold of FIG. 1;

FIG. 12 is a schematic structural view of a rear mold core in the rear mold block of FIG. 11;

fig. 13 is an enlarged structural view of a portion B in fig. 12;

FIG. 14 is a schematic structural view of an ejection mechanism in the rear module of FIG. 11;

FIG. 15 is a schematic view of the removable insert and grid in the back mold assembly of FIG. 11;

FIG. 16 is a schematic view of a portion of the structure of the lifter block and the grid of FIG. 15;

fig. 17 is an exploded view of the removable insert of fig. 15.

Wherein, in the drawings, the reference numerals are mainly as follows:

100-highlight grid injection mold; 101-a cavity;

10-a front module; 11-a panel; 12-upper square; 13-a heat insulation plate;

21-front template; 210-a housing chamber; 211-second via hole; 212-thermal insulation sheets; 213-positioning grooves; 214-a wear block; 215-first positioning guide post; 216-a second receiving groove; 217-a second mounting groove; 22-a first positioning assembly; 221-a first positioning socket; 222-a first positioning plug; 23-a second positioning assembly; 231-a second positioning receptacle; 232-a second positioning plug; 25-front mold core; 251-a projection; 252-wear pad; 253-a first positioning boss; 254-a second positioning guide pillar; 255-a third via;

31-temperature control flow channel; 311-conformal flow channel; 312-connecting the flow channel; 313-connecting tube; 315-straight flow channel; 316-sealing and blocking; 32-a vapor tube; 33-a cooling water pipe; 34-a gas collecting block; 35-water collection block;

40-a casting mechanism; 41-rubber inlet pipe; 42-a runner plate; 43-glue feeding hot nozzle; 431-a direct current hot nozzle; 432-side hot mouth; 433-middle side hot mouth; 430-a controller; 44-side hose; 45-rear mould runner; 451-runner channels; 452-an outlet orifice; 46-side middle hose;

50-a rear module; 51-a base plate; 52-lower square;

60-rear template; 61-rear mold core; 611-a concave groove; 612-a first positioning groove; 613-wear resistant sheet; 614-cooling circuit; 615-a second positioning hole; 616-an auxiliary flow channel; 621-positioning a tiger's mouth; 622 — first positioning hole; 623-a guide sleeve; 624-first receiving groove; 625-a first mounting groove; 626-cushion block; 641-water cooling pipes; 642-a water collection member;

70-an ejection mechanism; 71-a removable insert; 711-angle top block; 712-straight top block; 72-a slide block; 730-a mandril; 731-straight thimble; 732-a first angled thimble; 733 — eject pin; 734-a first slanted top mount; 735-a second angled thimble; 736-a second slanted ejecting base; 74-a push plate; 75-an impeller;

90-a grid; 91-position of bone.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be 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 be indirectly connected to the other element.

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

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

Referring to fig. 1 to 17, a highlight grid injection mold 100 according to the present invention will be described. The highlight grid injection mold 100 comprises a front mold set 10 and a rear mold set 50, wherein the front mold set 10 comprises a front template 21, a pouring mechanism 40 and a panel 11; the pouring mechanism 40 is arranged on the front template 21, the front template 21 is supported on the panel 11, and the panel 11 supports the pouring mechanism 40; the rear module 50 comprises a rear template 60, a bottom plate 51 and an ejection mechanism 70, the rear template 60 is supported on the bottom plate 51, the ejection mechanism 70 is mounted on the rear template 60, a front mold core 25 is arranged on the front template 21, the front mold core 25 is used for forming the front surface of the grid 90, a rear mold core 61 is arranged on the rear template 60, the rear mold core 61 is used for forming the rear surface of the grid 90, the front mold core 25 and the rear mold core 61 surround a cavity 101 for forming the grid 90, therefore, when the high-light grid 90 is injection-molded, plastic is injected into the cavity 101 through the pouring mechanism 40, and after the mold is opened by injection molding, the high-light grid 90 is ejected from the rear mold core 61 through the ejection mechanism 70 so as to take out the high-light grid 90.

Referring to fig. 2, 9, 10, 15 to 17, the pouring mechanism 40 includes a plurality of glue inlet hot nozzles 43, a runner plate 42 and glue inlet pipes 41, the runner plate 42 communicates with each glue inlet hot nozzle 43, and the glue inlet pipes 41 are connected with the runner plate 42 so as to inject plastic through the glue inlet pipes 41 and inject the plastic into each glue inlet hot nozzle 43 through the runner plate 42 so as to inject glue into the cavity 101; the panel 11 is provided with a first through hole (not shown), and the hose inlet pipe 41 is installed in the first through hole to support the hose inlet pipe 41 through the panel 11. The runner plate 42 is mounted on the panel 11, the runner plate 42 is connected with the front template 21, that is, the runner plate 42 is arranged between the front template 21 and the panel 11 so as to distribute glue solution; the front mold plate 21 is provided with a second through hole 211 for each glue feeding hot nozzle 43 to pass through, and the front mold core 25 is provided with a third through hole 255 for each glue feeding hot nozzle 43 to insert, so that each glue feeding hot nozzle 43 passes through the front mold plate 21 and the front mold core 25, thereby facilitating the injection of plastic into the mold cavity 101. A plurality of glue inlet hot nozzles 43 are arranged, so that glue can be injected into the cavity 101 from a plurality of positions, the glue inlet efficiency is improved, and the injection molding efficiency is further improved; the flow channel plate 42 is arranged independently, so that the flow channel can be arranged to be larger, the glue solution can be better supplied to each glue inlet hot nozzle 43, the glue inlet efficiency is improved, and the highlight grating 90 can be conveniently molded; in addition, the glue inlet hot nozzle 43 is used, when glue is injected, the plastic can be heated, so that good flowability of the plastic is guaranteed, glue is conveniently fed, the glue feeding efficiency is improved, and the generation of joint marks can be better avoided.

Compared with the prior art, the highlight grid injection mold 100 provided by the invention has the advantages that by using the plurality of glue inlet hot nozzles 43, glue can be injected at a plurality of positions simultaneously during glue injection, so that the pouring efficiency is improved, glue solution can be heated so as to be convenient for glue injection flowing, and meanwhile, joint marks are avoided; and the arrangement of the independent runner plate 42 can enable the glue solution to flow to each glue inlet hot nozzle 43 more quickly, and further improve the glue inlet efficiency.

Further, referring to fig. 1, fig. 2 and fig. 9, as an embodiment of the high light grid injection mold 100 provided by the present invention, the rubber inlet pipe 41 may be a large diameter pipe, that is, the inner diameter of the rubber inlet pipe 41 is larger than the inner diameter of the runner in the runner plate 42, so as to improve the pouring efficiency.

Further, referring to fig. 9 and 10, as an embodiment of the high light grid injection mold 100 provided by the present invention, the plurality of glue inlet nozzles 43 includes a direct current nozzle 431 and a plurality of side nozzles 432. The direct-current hot nozzle 431 is positioned in the middle area of the front mold core 25 so as to directly inject glue into the middle area of the cavity 101; the side hot nozzles 432 are positioned at two sides of the front mold core 25 so as to inject glue into the cavity 101 from two sides, improve glue injection efficiency and avoid the generation of joint marks; and the side hot nozzle 432 is arranged at the side of the front mold core 25, so that the front surface of the grating 90 is prevented from being scratched, and the high-light front surface of the grating 90 is convenient to generate.

Further, referring to fig. 3, 9 and 10, as an embodiment of the highlight grid injection mold 100 provided by the present invention, each side hot nozzle 432 is communicated with the surface of the front mold core 25 through the side rubber tube 44, so that when the front mold core 25 and the rear mold core 61 are closed to form the cavity 101, each side hot nozzle 432 is communicated with the cavity 101 through the side rubber tube 44 to avoid the formation of a seam on the front surface of the grid 90.

Further, referring to fig. 3, fig. 9 and fig. 10, as a specific embodiment of the high light grid injection mold 100 provided by the present invention, side hot nozzles 432 are respectively disposed at positions corresponding to two ends of two sides of the front mold core 25, that is, two ends of each side of the front mold core 25 are respectively disposed with a side hot nozzle 432, so that glue can be injected into four corner regions of the cavity 101, and the glue injection efficiency is improved.

Further, referring to fig. 3, 9, 10, 15 to 17, as an embodiment of the high light grid injection mold 100 provided by the present invention, the glue feeding hot nozzle 43 further includes a central hot nozzle 433 located in a central region of one side of the front mold core 25. The hot mouth 433 of side in setting up can carry out the injecting glue in the one side at die cavity 101 middle part, and pouring efficiency is higher.

Further, referring to fig. 3, 9, 10, 15 to 17, as an embodiment of the high light grid injection mold 100 provided by the present invention, a rear mold runner 45 connected to each of the central side heat nozzles 433 is provided in the rear mold core 61. The rear mold runner 45 is arranged, so that glue can be injected more quickly, the efficiency is improved, and the trace connection is avoided; meanwhile, the rear mold runner 45 is arranged in the rear mold core 61 to form a hidden runner, so that the front surface of the grid 90 can be better prevented from generating contact marks.

Further, each of the middle side heat nozzles 433 communicates with the rear mold runner 45 through the side middle hose 46 to avoid the generation of a seam on the front surface of the grill 90.

Further, referring to fig. 3, 9, 10, 15 to 17, as an embodiment of the high-light grid injection mold 100 provided by the present invention, each rear mold runner 45 extends along the width direction of the rear mold core 61, and a position of each rear mold runner 45 corresponding to each rib 91 of the grid 90 is provided with an outlet 452. Each rear mold runner 45 extends along the width direction of the rear mold, and the rear mold runner 45 is provided with the outlet holes 452 corresponding to the positions of the bone positions 91 of the grating 90, so that glue can be injected into the cavity 101 through the rear mold runner 45 at the positions corresponding to the bone positions 91 of the grating 90, and the glue injection efficiency is improved.

Further, referring to fig. 9 to 17, as an embodiment of the high light grid injection mold 100 provided by the present invention, a movable insert 71 is disposed in the rear mold core 61, the rear mold runner 45 is disposed in the corresponding movable insert 71, and 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 arranged in the rear mold, so that the rear mold core 61 can be conveniently machined and manufactured, and the movable insert 71 can be conveniently pushed out through the ejector rod 730 when the mold is opened, so that the manufactured grating 90 is pushed away from the rear mold core 61. The rear mold runner 45 is arranged in the movable insert 71, so that the rear mold runner 45 can be independently manufactured in the movable insert 71, and the processing and manufacturing are convenient. Of course, in other embodiments, the rear mold runner 45 can be directly formed in the rear mold core 61.

Further, referring to fig. 9 to 17, as an embodiment of the high light grid injection mold 100 provided by the present invention, the movable insert 71 includes an inclined top block 711 and a straight top block 712 attached to the inclined top block 711, the plurality of top rods 730 include a straight top pin 731 supporting the straight top block 712 and a first inclined top pin 732 supporting the inclined top block 711, the push plate 74 is correspondingly provided with a first inclined top seat 734 supporting each first inclined top pin 732, the rear mold runner 45 is opened on a side surface of the inclined top block 711 close to the straight top block 712 and is provided with a runner groove 451, and the straight top block 712 is attached to the inclined top block 711 and makes the runner groove 451 form the rear mold runner 45. The movable insert 71 is formed by combining the inclined top block 711 and the straight top block 712, the runner groove 451 is formed in the side surface of the inclined top block 711, and after the straight top block 712 is attached to the inclined top block 711, the straight top block 712 covers the runner groove 451 to form the rear mold runner 45, so that the runner is convenient to process and manufacture. In addition, the straight ejector block 712 is connected with the straight ejector pin 731, the straight ejector pin 731 is connected with the push plate 74, the inclined ejector block 711 is connected with the first inclined ejector pin 732, and the first inclined ejector seat 734 is arranged on the push plate 74, so that when the movable insert 71 pushes the grid 90 away from the rear mold core 61 during mold opening, the straight ejector block 712 is separated from the inclined ejector block 711, so as to take out the plastic in the rear mold runner 45, and to empty the plastic in the rear mold runner 45. Of course, in other embodiments, two straight top blocks 712 may be used, with one of the straight top blocks 712 having the runner groove 451 structure.

Further, referring to fig. 9 to 17, as an embodiment of the high light grid 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) is formed in the rear mold plate 60 for each ejection pin 733 to pass through, and each ejection pin 733 is mounted on the push plate 74. This structure facilitates ejection of the fabricated grid 90 out of the rear mold core 61.

Further, referring to fig. 9 to 17, as an embodiment of the high light grid injection mold 100 provided by the present invention, the ejection mechanism 70 further includes a plurality of sliders 72 for cooperating with the rear mold core 61 to form the inverse of the grid 90, a second inclined pin 735 supporting each slider 72, and a second inclined seat 736 supporting each second inclined pin 735, and each second inclined seat 736 is mounted on the push plate 74. Slider 72, second angled ejector 735, and second angled ejector 736 are provided to form the undercut structure on grid 90 during injection molding. Furthermore, the rear mold core 61 is correspondingly provided with a sliding slot (not shown), and each sliding block 72 is slidably mounted in the corresponding sliding slot.

Further, referring to fig. 12 and 13, as an embodiment of the high light grid injection mold 100 provided by the present invention, two ends of the rear mold core 61 are respectively provided with an auxiliary runner 616 connecting two corners of each end of the rear mold core 61. Due to the large size of grid 90, and the provision of auxiliary flow passages 616, adjacent corners at both ends of grid 90 may be connected when grid 90 is formed to prevent grid 90 from being deformed.

Further, referring to fig. 9 to 17, as an embodiment of the high light grid injection mold 100 provided by the present invention, a needle valve (not shown) is disposed in each glue inlet hot nozzle 43, and a controller 430 for controlling the needle valve is mounted on each glue inlet hot nozzle 43. The glue inlet hot nozzle 43 is a valve type hot nozzle, so that the on-off of each glue inlet hot nozzle 43 can be controlled through each controller 430, the glue inlet amount can be controlled, the efficiency can be improved, the filling balance adjustment is facilitated, and the yield is improved. Further, the controller 430 may be a cylinder, a solenoid valve, or the like.

Further, referring to fig. 9 to 17, as an embodiment of the high light grid injection mold 100 provided by the present invention, the ejection mechanism 70 further includes a plurality of pushers 75 for pushing the push plate 74 to move, each pusher 75 is mounted on the push plate 74, and each pusher 75 abuts against the bottom plate 51. This configuration facilitates pushing of the push plate 74. Further, the pusher 75 may be a hydraulic cylinder, or may be other linear driving means.

Further, referring to fig. 1 and fig. 11, as an embodiment of the high light grid injection mold 100 provided by the present invention, a cooling pipeline 614 is disposed in the rear mold plate 60, the rear mold 50 further includes a plurality of water cooling pipelines 641, and each cooling pipeline 614 is connected to the water cooling pipeline 641 so as to cool the rear mold core 61. Further, a water collecting member 642 is installed on the rear mold 60, and each water-cooling pipe 641 is connected to the water collecting member 642 so as to control introduction or discharge of cooling water into or from each water-cooling pipe 641, and to facilitate connection of an external cooling water supply device.

Further, referring to fig. 11 and 14, as an embodiment of the high light grid injection mold 100 provided by the present invention, each straight thimble 731 is provided with a first water channel (not shown), and the first water channel is connected to the water-cooling pipe 641, so as to cool the rear mold core 61 through the straight thimble 731, so as to rapidly cool the rear mold core.

Further, referring to fig. 11 and 14, as an embodiment of the high light grid injection mold 100 provided by the present invention, each first inclined thimble 732 is provided with a second water channel (not shown), and the second water channel is connected to the water-cooling pipe 641, so as to cool the rear mold core 61 through the first inclined thimble 732, so as to rapidly cool the rear mold core.

Further, referring to fig. 11 and 14, as an embodiment of the high light grid injection mold 100 provided by the present invention, each second inclined thimble 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 as to cool the rear mold core 61 through the second inclined thimble 735, so as to rapidly cool the rear mold core.

Further, referring to fig. 11 and 14, as an embodiment of the high light grid injection mold 100 provided by the present invention, a fourth water channel (not shown) is disposed in each of the ejector pins 733, and the fourth water channel is connected to the water cooling pipe 641, so as to cool the rear mold core 61 through the ejector pins 733, so as to rapidly cool the rear mold core.

Further, referring to fig. 11 and 14, as an embodiment of the highlight grid injection mold 100 provided by the present invention, the front mold assembly 10 further includes an upper block 12, and the upper block 12 is disposed between the front mold plate 21 and the panel 11, so as to support the front mold plate 21 on the panel 11.

Further, referring to fig. 11 and 14, as an embodiment of the highlight grid injection mold 100 provided by the present invention, the rear mold 50 further includes a lower block 52, and the lower block 52 is disposed between the bottom plate 51 and the rear mold 60, so as to support the rear mold 60 on the bottom plate 51.

Further, referring to fig. 1 to 3 and fig. 6 to 8, as an embodiment of the high grating injection mold 100 provided by the present invention, a temperature control flow channel 31 is disposed in the front mold core 25, a plurality of connection pipes 313 communicated with the temperature control flow channel 31 are installed in the front mold plate 21, the high grating injection mold 100 further includes a steam pipe 32 for supplying steam into the temperature control flow channel 31 and a cooling water pipe 33 for supplying cooling water into the temperature control flow channel 31, and the plurality of connection pipes 313 are respectively connected to the steam pipe 32 and the cooling water pipe 33. A temperature control runner 31 is arranged in the front mold core 25, and the temperature control runner 31 is connected with a steam pipe 32 and a cooling water pipe 33, so that steam can be introduced into the temperature control runner 31 after mold closing to heat the front mold core 25 and the cavity 101, and further, the fluidity of glue liquid is ensured during pouring, and the pouring is convenient; after the pouring is finished, cooling water can be introduced into the temperature control flow passage 31 to rapidly cool the front mold core 25 and the product in the cavity 101, so as to manufacture the highlight grid 90; in addition, this structure control by temperature change runner 31 can heat preceding mold core 25, can cool down preceding mold core 25 again, and the function is more comprehensive, can cool down faster moreover, raises the efficiency, simultaneously, can also design conveniently and overall arrangement control by temperature change runner 31.

Further, referring to fig. 1 to 3 and fig. 6 to 8, as an embodiment of the high grating injection mold 100 provided by the present invention, a plurality of steam pipes 32 are provided, and one end of each steam pipe 32 is connected to one connection pipe 313. By providing a plurality of steam pipes 32 and connecting each steam pipe 32 to the connection pipe 313, steam can be simultaneously introduced into the temperature controlled flow path 31 from a plurality of positions, and the front mold core 25 can be heated more quickly.

Further, referring to fig. 1 to 3 and fig. 6 to 8, as an embodiment of the high grating injection mold 100 provided by the present invention, a gas collecting block 34 is disposed on the front mold plate 21, and the other end of each vapor tube 32 is connected to the gas collecting block 34. The air collecting block 34 is arranged, and each steam pipe 32 is connected with the air collecting block 34, so that the steam can be conveniently and simultaneously supplied to each steam pipe 32, the control is convenient, and the connection with an external steam source is also convenient.

Further, referring to fig. 1 to 3, each of the steam pipes 32 is a high temperature and high pressure resistant pipe, preferably a corrugated pipe. Specifically, the steam pipe 32 is required to be resistant to temperature up to 250 ℃ and resistant to pressure up to 1.6 MPa.

Further, referring to fig. 1 to 3 and fig. 6 to 8, as an embodiment of the high grating injection mold 100 provided by the present invention, there are a plurality of cooling water pipes 33, and one end of each cooling water pipe 33 is connected to one connecting pipe 313. The plurality of cooling water pipes 33 are arranged, and the cooling water pipes 33 are respectively connected with the connecting pipe 313, so that cooling water can be introduced into the temperature control flow passage 31 from a plurality of positions simultaneously, and the front mold core 25 can be cooled more quickly.

Further, referring to fig. 1 to 3 and fig. 6 to 8, as an embodiment of the high grating injection mold 100 provided by the present invention, a water collecting block 35 is disposed on the front mold plate 21, and the other end of each cooling water pipe 33 is connected to the water collecting block 35. Set up the piece 35 that catchments to link to each condenser tube 33 with the piece 35 that catchments, can conveniently control and supply with the cooling water in each condenser tube 33 simultaneously, be convenient for control, also be convenient for simultaneously be connected with outside cooling water source.

Further, referring to fig. 1 to 3 and fig. 6 to 8, as an embodiment of the high grating injection mold 100 provided by the present invention, the high grating injection mold 100 further includes a multi-way control valve (not shown), 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 is arranged, so that the steam can be conveniently controlled to be introduced into the steam pipe 32 or the cooling water can be conveniently controlled to be introduced into the cooling water pipe 33, and the temperature of the front mold core 25 is further controlled through the temperature control flow passage 31. Preferably, the multi-way control valve is communicated with the gas collection block 34 through the vapor pipe 32, and the gas collection block 34 is communicated with the partial connection pipe 313 through the vapor pipe 32; the multi-way control valve is communicated with the water collecting block 35 through the cooling water pipe 33, and the water collecting block 35 is communicated with a part of the connecting pipe 313 through the cooling water pipe 33, so that the steam or the cooling water is better controlled to be introduced into the temperature control flow passage 31. Of course, in some embodiments, separate control valves may be provided to control the supply of steam or cooling water separately.

Further, referring to fig. 6 to 8, as an embodiment of the high light grid injection mold 100 provided by the present invention, the temperature control flow channel 31 is a plurality of straight flow channels 315 that are provided in the front mold core 25 and are communicated with each other, each straight flow channel 315 extends from four sides of the front mold core 25 inward, and a high temperature resistant sealing plug 316 is installed in the front mold core 25 to plug a part of the straight flow channels 315, so as to form a flow channel for steam or cooling water to pass through in the front mold core 25. The seal plug 316 may be a copper plug.

Further, referring to fig. 6 to 8, as an embodiment of the high light grid injection mold 100 according to the present invention, when the temperature control runner 31 is manufactured, after the straight runner 315 is manufactured, the straight runner may be first plugged with copper, and then sealed with the tapered throat tooth and the high temperature resistant glue, so as to ensure air and water leakage. And extends the copper plug to the intersection of adjacent straight runners 315 to prevent steam loss.

Further, referring to fig. 6 to 8, as an embodiment of the high light grid injection mold 100 provided by the present invention, the temperature control channel 31 includes a plurality of conformal channels 311 and a plurality of connection channels 312, the conformal channels 311 are connected, so that steam or cooling water can enter each conformal channel 311; the layout of the conformal flow channels 311 is arranged along the surface shape of the front mold core 25, even when the layout conformal flow channels 311 is designed, at least one end of each conformal flow channel 311 extends to a position corresponding to the surface of the adjacent front mold core 25, so that more and more uniform conformal flow channels 311 are correspondingly distributed on the surface of the front mold core 25, and the conformal flow channels 311 surround the surface of the front mold core 25, so as to quickly adjust the temperature of the surface of the front mold core 25 and further quickly adjust the temperature of the cavity 101. The connecting pipes 313 are respectively communicated with different connecting flow passages 312 so as to enter steam or cooling water through different positions, and thus the front mold core 25 can be heated or cooled more quickly.

Further, referring to fig. 6 to 8, as an embodiment of the high light grid injection mold 100 provided by the present invention, a distance between at least one end of each conformal flow channel 311 and the surface of the front mold core 25 is 8-10mm, so that the surface of the front mold core 25 can be heated more quickly when steam is introduced into the conformal flow channel 311, and the surface of the front mold core 25 can be cooled more quickly when cooling water is introduced into the conformal flow channel 311.

Further, referring to fig. 6 to 8, as an embodiment of the high light grid injection mold 100 provided by the present invention, a distance between two adjacent conformal runners 311 and an end of the front mold core 25 is 20-25 mm; so as to more uniformly arrange the conformal flow channels 311 and further more uniformly heat or cool the surface of the front mold core 25. Preferably, the distance between the ends of the two adjacent conformal flow channels 311 close to the surface of the front mold core 25 is 22 mm.

Further, referring to fig. 6 to 8, as an embodiment of the high light grid injection mold 100 provided by the present invention, the diameter range of each conformal flow channel 311 is 8-12mm, so as to facilitate the flow of steam or cooling water, facilitate the processing and manufacturing, and ensure the good strength of the front mold core 25. Preferably, the conformal flow passage 311 is 10mm in diameter.

Further, referring to fig. 6 to 8, as an embodiment of the high light grid injection mold 100 provided by the present invention, the diameter of each connecting runner 312 is greater than or equal to the diameter of each conformal runner 311, so that the flowing of the ventilation steam or the cooling water is facilitated.

Further, referring to fig. 6 to 8, as an embodiment of the highlight grid injection mold 100 provided by the present invention, the highlight grid injection mold 100 further includes a temperature sensor (not shown in the figure) for detecting a temperature in the cavity 101, and the front mold core 25 is provided with a mounting hole for mounting the temperature sensor. The temperature sensors are arranged, so that the temperatures of the front mold core 25 and the cavity 101 can be monitored in real time, and the temperature of the front mold core 25 can be better controlled.

Further, referring to fig. 1, fig. 2 and fig. 4, as an embodiment of the high light grid injection mold 100 provided by the present invention, a heat insulation board 13 is disposed on the panel 11 to reduce heat dissipation and improve heat utilization.

Further, referring to fig. 1 to 3, 11 and 12, as a specific embodiment of the high light grid injection mold 100 provided by the present invention, four corners of the rear mold plate 60 are respectively provided with positioning tiger mouths 621 in a protruding manner, and four corners of the front mold plate 21 are provided with positioning grooves 213 matched with the positioning tiger mouths 621, so that when the mold is closed, the positioning tiger mouths 621 can be inserted into the corresponding positioning grooves 213 to position the rear mold plate 60 and the front mold plate 21, and further position the rear mold core 61 and the front mold core 25. And the side surfaces of the rear mold core 61 are respectively provided with a plurality of wear-resistant pieces 613. The wear-resistant plate 613 is arranged on the side surface of the rear mold core 61, so that the side surface of the front mold core 25 contacts the wear-resistant plate 613 during the process of closing the front mold core 25 and the rear mold core 61, so that the front mold core 25 is positioned by the wear-resistant plate 613, the front mold core 25 and the rear mold core 61 are accurately positioned, and the front mold core 25 can be protected from being worn by the front mold core 25 and the rear mold core 61.

Further, referring to fig. 1, fig. 3 and fig. 11, as an embodiment of the highlight grid injection mold 100 provided by the present invention, a wear-resistant block 214 is disposed on a side surface of each positioning groove 213 to reduce wear of the side walls of the positioning tiger's mouth 621 and the positioning groove 213 and improve positioning accuracy.

Further, referring to fig. 1, fig. 3 and fig. 11, as an embodiment of the high light grid injection mold 100 provided by the present invention, first positioning holes 622 are respectively formed at four corners of the rear mold plate 60 corresponding to positions of the positioning tiger openings 621, and first positioning guide pillars 215 matched with the first positioning holes 622 for positioning are respectively installed at four corners of the front mold plate 21. Set up first locating hole 622 on each location tiger's mouth 621, and correspond on preceding template 21 and set up first positioning guide post 215, and during the compound die, first positioning guide post 215 inserts in corresponding first locating hole 622 to play the effect of preliminary location, make again location tiger's mouth 621 stretch into corresponding constant head tank 213, further improve positioning accuracy. Further, a mounting hole (not shown) may be formed at the bottom of the positioning groove 213, and the first positioning guide post 215 is mounted in the corresponding mounting hole, so that the front mold plate 21 and the first positioning guide post 215 may be separately manufactured during manufacturing, thereby improving the manufacturing accuracy.

Further, referring to fig. 1, fig. 3 and fig. 11, as an embodiment of the high light grid injection mold 100 provided by the present invention, a guide sleeve 623 is installed in each first positioning hole 622. The guide sleeves 623 are disposed in the first positioning holes 622, so that when the first positioning guide posts 215 are inserted into the corresponding first positioning holes 622, the first positioning guide posts 215 can be guided and positioned by the guide sleeves 623, so that the first positioning guide posts 215 are inserted into the corresponding first positioning holes 622, and meanwhile, during machining, the guide sleeves 623 can be separately machined, so that the machining precision is improved, and the positioning precision of the front template 21 and the rear template 60 is improved.

Further, referring to fig. 1, fig. 3 and fig. 11, as an embodiment of the highlight grid injection mold 100 provided by the present invention, at least one side of the rear mold core 61 is provided with a first positioning groove 612, and the front mold core 25 is correspondingly provided with a first positioning protrusion 253 that is inserted into the corresponding first positioning groove 612 in a protruding manner. The first positioning groove 612 is formed in the side face of the rear mold core 61, and the first positioning protrusion 253 is correspondingly formed in the front mold core 25, so that when the front mold core 25 and the rear mold core 61 are closed, the first positioning protrusion 253 can be inserted into the corresponding first positioning groove 612, the front mold core 25 and the rear mold core 61 can be positioned better, the positioning accuracy is improved, and the accuracy of manufacturing the highlight grating 90 is improved.

Further, referring to fig. 1, fig. 3 and fig. 11, as a specific embodiment of the highlight grid injection mold 100 provided by the present invention, each first positioning protrusion 253 is installed with a second positioning guide post 254, and the bottom of each first positioning groove 612 is provided with a second positioning hole 615 matched with each second positioning guide post 254, so that when the front mold core 25 and the rear mold core 61 are closed, the second positioning guide post 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, thereby further improving the positioning accuracy.

Further, referring to fig. 1, fig. 3 and fig. 11, as an embodiment of the high light grating injection mold 100 provided by the present invention, a plurality of spacers 626 are respectively disposed on four sides of the rear mold plate 60, and a plurality of second positioning grooves (not shown) for positioning and mounting each spacer 626 are disposed on the rear mold plate 60. The spacers 626 are arranged on four sides of the rear mold plate 60, so that the front mold plate 21 can be better supported, the distance between the front mold core 25 and the rear mold core 61 can be adjusted, and the extrusion deformation between the front mold core 25 and the rear mold core 61 can be avoided.

Further, referring to fig. 1, fig. 3 and fig. 12, as an embodiment of the highlight grid injection mold 100 provided by the present invention, the highlight grid injection mold 100 further includes a first positioning component 22 for positioning two ends of the front mold plate 21 and two ends of the rear mold plate 60, the first positioning component 22 includes a first positioning socket 221 and a first positioning plug 222 for positioning in cooperation with the first positioning socket 221; 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 and correspondingly provided with a second accommodating groove 216; the first positioning socket 221 is mounted in the first receiving groove 624, and the first positioning plug 222 is mounted in the second receiving groove 216; therefore, when the front mold plate 21 and the rear mold plate 60 are clamped, the first positioning plug 222 is inserted into the first positioning socket 221 to position the rear mold plate 60 and the front mold plate 21, and the positioning accuracy is improved. The first positioning assembly 22 is disposed, the rear mold plate 60 is provided with a first receiving groove 624, the front mold plate 21 is provided with a second receiving groove 216, and the first positioning assembly 22 can be manufactured independently, so as to facilitate the manufacturing, improve the manufacturing precision, and further improve the positioning precision. In other embodiments, the first positioning plug 222 may be mounted in the first receiving groove 624, and the first positioning socket 221 is mounted in the second receiving groove 216.

Further, referring to fig. 1, fig. 3 and fig. 12, as an embodiment of the highlight grid injection mold 100 provided by the present invention, the highlight grid injection mold 100 further includes a second positioning assembly 23 for positioning two sides of the front mold plate 21 and two sides of the rear mold plate 60, the second positioning assembly 23 includes a second positioning socket 231 and a second positioning plug 232 for positioning in cooperation with the second positioning socket 231; two sides of the rear template 60 are respectively provided with a first mounting groove 625, and two sides of the front template 21 are respectively and correspondingly provided with a second mounting groove 217; the second positioning socket 231 is mounted in the first mounting groove 625, and the second positioning plug 232 is mounted in the second mounting groove 217; therefore, when the front mold plate 21 and the rear mold plate 60 are clamped, the second positioning plug 232 is inserted into the second positioning socket 231 to position the rear mold plate 60 and the front mold plate 21, and the positioning accuracy is improved. And set up second locating component 23 to set up first mounting groove 625 on back template 60, set up second mounting groove 217 on preceding template 21, can make second locating component 23 alone, in order to make things convenient for the processing, improve the precision of preparation, and then improve the precision of location. In other embodiments, the second positioning pin 232 may be mounted in the first mounting groove 625 and the second positioning socket 231 may be mounted in the second mounting groove 217.

Further, referring to fig. 1, fig. 3 and fig. 12, as an embodiment of the highlight grid injection mold 100 provided by the present invention, the rear mold plate 60 has concave grooves 611 at two ends of the rear mold core 61, the front mold core 25 has convex portions 251 at two ends thereof, which are respectively matched to extend into the corresponding concave grooves 611, and each convex portion 251 is disposed to protrude out of the front mold plate 21. Set up depressed groove 611 in back template 60, and set up bulge 251 with the both ends of preceding mold core 25, when the compound die, insert corresponding depressed groove 611 with bulge 251 in, not only can more accurate location, improve positioning accuracy, can reduce the mould volume moreover to can make preceding mold core 25 more be firm after with the compound die of back mold core 61.

Further, the side of each projection 251 is provided with wear pads 252 to provide better positioning and reduce wear during clamping.

Further, referring to fig. 2, fig. 3 and fig. 4, as an embodiment of the high light grid injection mold 100 provided by the present invention, a receiving cavity 210 is formed in the front mold plate 21, and the front mold core 25 is installed in the receiving cavity 210. The front mold core 25 and the front mold plate 21 are manufactured separately, so that the processing and manufacturing are convenient, and the precision is improved. Of course, in other embodiments, the front mold plate 21 and the front mold core 25 may be integrally formed.

Further, referring to fig. 2, fig. 3 and fig. 4, as an embodiment of the high light grid injection mold 100 provided by the present invention, the front mold core 25 and the front mold plate 21 are separately manufactured, which may also facilitate the processing of the temperature control flow channel 31 in the front mold core 25.

Further, referring to fig. 2, fig. 3 and fig. 4, as an embodiment of the high light grid injection mold 100 provided by the present invention, a plurality of heat insulation sheets 212 are disposed in the accommodating cavity 210, and the heat insulation sheets 212 are disposed between the front mold plate 21 and the front mold core 25 to reduce heat dissipation.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The highlight grating injection mold comprises a front mold set and a rear mold set, wherein the front mold set comprises a front mold plate, a pouring mechanism arranged on the front mold plate and a panel supporting the pouring mechanism; the back module group includes the back template, supports the bottom plate of back template and install in ejection mechanism on the back template, its characterized in that: the front mold plate is provided with a front mold core for molding the front surface of the grid, the rear mold plate is provided with a rear mold core for molding the rear surface of the grid, the front mold core and the rear mold core surround a cavity for molding the grid, 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 panel is provided with a first through hole, the glue inlet pipe is installed in the first through hole, the runner plate is installed on the panel, the runner plate is connected with the front mold plate, the front mold plate is provided with a second through hole for the glue inlet hot nozzles to pass through, and the front mold core is provided with a third through hole for the glue inlet hot nozzles to insert into.

2. The highlight grid injection mold of claim 1, wherein: the glue feeding hot nozzles comprise direct-current hot nozzles located in the middle area of the front mold core and a plurality of side hot nozzles located on two sides of the front mold core.

3. The highlight grid injection mold of claim 2, wherein: the plurality of glue inlet hot nozzles further comprise middle hot nozzles positioned in the middle area of one side of the front mold core.

4. The highlight grid injection mold of claim 3, wherein: and a rear mold runner for connecting the middle side hot nozzles is arranged in the rear mold core.

5. The highlight grid injection mold of any of claims 1-4, wherein: each glue inlet hot nozzle is internally provided with a needle valve, and a controller for controlling the needle valve is installed on each glue inlet hot nozzle.

6. The highlight grid injection mold of any of claims 1-4, wherein: the highlight grating injection mold further comprises a steam pipe used for supplying steam to the temperature control flow channel and a cooling water pipe used for supplying cooling water to the temperature control flow channel, and the connecting pipes are respectively connected with the steam pipe and the cooling water pipe.

7. The highlight grid injection mold of claim 6, wherein: the temperature control flow channel comprises a plurality of shape following flow channels arranged along the surface shape of the front mold core and connecting flow channels for communicating the shape following flow channels, at least one end of each shape following flow channel extends to the position corresponding to the surface adjacent to the front mold core, and the connecting pipes are respectively communicated with different connecting flow channels.

8. The highlight grid injection mold of any of claims 1-4, wherein: highlight grid injection mold is still including being used for surveying the temperature sensor of temperature in the die cavity, open in the preceding mold core and be equipped with the installation temperature sensor's mounting hole.

9. The highlight grid injection mold of any of claims 1-4, wherein: and four corners of the rear template are respectively convexly provided with a positioning tiger mouth, and four corners of the front template are provided with positioning grooves matched with the positioning tiger mouths.

10. The highlight grid injection mold of any of claims 1-4, wherein: the rear template is provided with concave grooves at two ends of the rear mold core respectively, the two ends of the front mold core are provided with convex parts which are matched and extend into the corresponding concave grooves respectively, and each convex part is arranged to protrude out of the front template.