Hot runner glue feeding structure of injection mold

Abstract

The utility model discloses a hot runner glue feeding structure of an injection mold, which belongs to the technical field of injection molds and comprises a lower injection mold, and an upper combination mold is arranged at the top of the lower injection mold. The Y-shaped glue inlet metal pipe is clamped and fixed through the two Y-shaped heating pipes, the two Y-shaped heating pipes are clamped and fixed through the Y-shaped grooves in the inner sides of the first splitting die and the second splitting die, and the connecting column on the side portion of the first splitting die is inserted into the square inserting groove in the side portion of the second splitting die. A butterfly-shaped screw is inserted into a fastening hole, so that the bottom end of the butterfly-shaped screw is installed in a screw hole in a connecting column in a threaded mode, the first splitting mold and the second splitting mold are conveniently fixed, then the Y-shaped glue inlet metal pipe is conveniently installed and conveniently disassembled, and in addition, the overall structure is simple, and the practicability is high. Production and processing are convenient, and the practicability of the hot runner glue feeding structure of the injection mold is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field more specifically, relate to a kind of injection mold hot runner glue feeding structure. BACKGROUND

[0002] Hot runner is the heating assembly system used in injection mold, which injects melted plastic particles into the cavity of the mold. Hot runner mold is a new structure that combines the traditional mold or three-plate mold with a heated runner and channel, eliminating the need to remove the runner and channel during each molding process.

[0003] After searching, the utility model patent with publication number CN220348955U discloses an injection mold hot runner glue feeding structure. It includes a mounting plate, a fixed plate fixed to the bottom surface of the mounting plate, a connecting plate detachably arranged on the side of the mounting plate away from the fixed plate, an installation groove formed in the fixed plate, an installation piece fixedly arranged in the installation groove, a balance flow pipe detachably arranged in the installation piece, a rotating piece hingedly connected to one side of the installation piece, a positioning column fixedly arranged on one side of the rotating piece, the positioning column being clamped in the installation piece, a limiting groove formed in the positioning column, and a clamping block clamped in the limiting groove. By pulling the rotating piece, the positioning column can be detached from the installation piece, and the clamping block can be detached from the limiting groove. Then, the balance flow pipe can be disassembled for cleaning and dredging. This avoids the blockage of plastic particles caused by long-term use, thereby improving the work efficiency during model processing. However, the above-mentioned patent still has the following disadvantages: the structure for disassembling and assembling the balance flow pipe is complex and inconvenient to manufacture. In addition, the heating wire can only heat the balance flow pipe, and it is inconvenient to heat the L-shaped pipe and the nozzle, which affects the quality of hot runner use. Therefore, we propose an injection mold hot runner glue feeding structure. SUMMARY

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide an injection mold hot runner glue feeding structure.

[0005] To solve the above problems, the utility model adopts the following technical solutions:

[0006] The utility model relates to an injection mold hot runner glue feeding structure, including lower injection mold, the top of lower injection mold is provided with upper combined mould, the upper combined mould includes the first split mould and the second split mould of placing in the top of lower injection mold, the inside of first split mould and second split mould all is provided with Y groove, is provided with heating mechanism in two Y grooves, the inside of heating mechanism is provided with Y shape glue feeding metal pipe, the top of Y shape glue feeding metal pipe is fixedly connected with glue injection bucket, the inside surface of second split mould is provided with a plurality of square insertion slot, the top surface of second split mould is provided with a plurality of fastening holes, and the bottom of a plurality of fastening holes is connected with the inner chamber of a plurality of square insertion slot respectively, the inside surface of first split mould is fixedly connected with a plurality of connecting columns, and the end of a plurality of connecting columns is respectively movably sleeved to the inner chamber of square insertion slot and is provided with screw hole, the inner chamber of a plurality of fastening holes is provided with butterfly screw, and the bottom of butterfly screw is screwed to the inner chamber of screw hole.

[0007] As a preferred scheme of the utility model, the heating mechanism includes Y-shaped heating pipes sleeved in the inner cavities of the two Y-shaped grooves, second arc-shaped electric heating plates are fixedly sleeved on the inner walls of the bottom ends of the two Y-shaped heating pipes, first arc-shaped electric heating plates are fixedly sleeved on the inner walls of the top ends of the two Y-shaped heating pipes, and the Y-shaped glue feeding metal pipe is sleeved in the inner cavities of the two Y-shaped heating pipes.

[0008] As a preferred scheme of the utility model, the outer side surface of the Y-shaped heating pipe is attached to the inner wall of the Y-shaped groove, and the bottom surfaces of the Y-shaped heating pipe and the Y-shaped glue feeding metal pipe are attached to the bottom surfaces of the first split mould and the second split mould.

[0009] As a preferred scheme of the utility model, the side surface of the connecting column is attached to the inner wall of the square insertion slot.

[0010] As a preferred scheme of the utility model, the inner diameter of the fastening hole is equal to the outer diameter of the butterfly screw.

[0011] As a preferred scheme of the utility model, the outer side surface of the Y-shaped glue feeding metal pipe is attached to the inner side surfaces of the first arc-shaped electric heating plate, the second arc-shaped electric heating plate and the Y-shaped heating pipe.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] (1) The utility model discloses a first split mode and second split mode inside Y -shaped groove are used for clamping and fixing two Y -shaped heating pipes, and the connecting column of first split mode side is inserted into the square insertion slot of second split mode side, butterfly screw is inserted into the fastening hole, and the bottom end thread of butterfly screw is installed into the screw hole on the connecting column, convenient fixing is carried out between first split mode and second split mode, and convenient installation of Y -shaped glue feeding metal pipe is realized, convenient dismounting of Y -shaped glue feeding metal pipe can be carried out simultaneously, in addition, the overall structure is simple, and production and processing are facilitated, and the practicability of the injection mold hot runner glue feeding structure is improved.

[0014] (2) The utility model discloses a Y -shaped glue feeding metal pipe and glue injection bucket are integrally formed structure, and two Y -shaped heating pipes are used for wrapping Y -shaped glue feeding metal pipe, and the inside of Y -shaped heating pipe is sleeved with first arc electric heating plate and second arc electric heating plate, so that the top and bottom of Y -shaped glue feeding metal pipe can be heated effectively, the glue in Y -shaped glue feeding metal pipe is heated effectively, and the working quality of the injection mold hot runner glue feeding structure is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure schematic diagram of the utility model;

[0016] Figure 2 It is the structure explosion drawing of the upper combined die of the utility model;

[0017] Figure 3 It is the structure schematic diagram of the second split mode of the utility model;

[0018] Figure 4 It is the structure explosion drawing of the heating mechanism of the utility model.

[0019] Mark explanation in drawing:

[0020] 1, lower injection mold;2, upper combined die;3, first split mode;4, second split mode;5, Y -shaped groove;6, heating mechanism;7, Y -shaped glue feeding metal pipe;8, glue injection bucket;9, square insertion slot;10, fastening hole;11, connecting column;12, screw hole;13, butterfly screw;14, Y -shaped heating pipe;15, first arc electric heating plate;16, second arc electric heating plate. DETAILED DESCRIPTION

[0021] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments, and based on the embodiments of the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative labor fall within the protection scope of the present application.

[0022] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can be connected inside two elements. For a person of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] Embodiment:

[0025] Please refer to Figures 1-4 A hot runner glue feeding structure of an injection mold, comprising a lower injection mold 1, the top of the lower injection mold 1 is provided with an upper combined mold 2, the upper combined mold 2 comprises a first split mold 3 and a second split mold 4 placed on the top of the lower injection mold 1, the inner sides of the first split mold 3 and the second split mold 4 are provided with Y-shaped grooves 5, a heating mechanism 6 is sleeved in the two Y-shaped grooves 5, a Y-shaped glue feeding metal pipe 7 is sleeved in the inner side of the heating mechanism 6, the top end of the Y-shaped glue feeding metal pipe 7 is fixedly connected with a glue feeding bucket 8, a plurality of square insertion grooves 9 are formed in the inner side of the second split mold 4, a plurality of fastening holes 10 are formed in the top surface of the second split mold 4, the bottoms of the plurality of fastening holes 10 are respectively communicated with the inner cavities of the plurality of square insertion grooves 9, a plurality of connecting columns 11 are fixedly connected to the inner side of the first split mold 3, the ends of the plurality of connecting columns 11 are respectively movably sleeved into the inner cavities of the square insertion grooves 9 and are provided with screw holes 12, a plurality of butterfly screws 13 are sleeved in the inner cavities of the plurality of fastening holes 10, and the bottoms of the butterfly screws 13 are threadedly installed into the inner cavities of the screw holes 12.

[0026] In this embodiment, the depth of the fastening hole 10 is different, so the length of the winged screw 13 is also different, the connecting column 11 is fixed in the square slot 9 through the cooperation between the winged screw 13 and the screw hole 12, so that the first split mold 3 and the second split mold 4 are fixed together to form the upper combined mold 2.

[0027] Specifically, please refer to Figure 1 , Figure 3 and Figure 4 , the heating mechanism 6 comprises two Y-shaped heating pipes 14 sleeved in the inner cavities of the two Y-shaped grooves 5, the inner walls of the bottom ends of the two Y-shaped heating pipes 14 are fixedly sleeved with second arc-shaped electric heating plates 16, the inner walls of the top ends of the two Y-shaped heating pipes 14 are fixedly sleeved with first arc-shaped electric heating plates 15, and the Y-shaped glue feeding metal pipe 7 is sleeved in the inner cavities of the two Y-shaped heating pipes 14.

[0028] Specifically, please refer to Figure 2 , the outer side surfaces of the Y-shaped heating pipes 14 are attached to the inner walls of the Y-shaped grooves 5, and the bottom surfaces of the Y-shaped heating pipes 14 and the Y-shaped glue feeding metal pipe 7 are attached to the bottom surfaces of the first split mold 3 and the second split mold 4.

[0029] In this embodiment, the stability of the Y-shaped heating pipes 14 clamped in the inner cavities of the Y-shaped grooves 5 is ensured.

[0030] Specifically, please refer to Figure 2 and Figure 3 , the side surface of the connecting column 11 is attached to the inner wall of the square slot 9.

[0031] In this embodiment, the stability of the connecting column 11 inserted into the inner cavity of the square slot 9 is ensured, so that the stability of the connection and installation between the first split mold 3 and the second split mold 4 is ensured.

[0032] Specifically, please refer to Figure 2 , the inner diameter of the fastening hole 10 is equal to the outer diameter of the winged screw 13.

[0033] In this embodiment, the stability of the winged screw 13 sleeved in the inner cavity of the fastening hole 10 is ensured.

[0034] Specifically, please refer to Figure 4 , the outer side surfaces of the Y-shaped glue feeding metal pipe 7 are respectively attached to the inner side surfaces of the first arc-shaped electric heating plate 15, the second arc-shaped electric heating plate 16 and the Y-shaped heating pipe 14.

[0035] In this embodiment, the Y-shaped glue feeding metal pipe 7 can be stably sleeved between the two Y-shaped heating pipes 14, and the first arc-shaped electric heating plate 15 and the second arc-shaped electric heating plate 16 can heat the Y-shaped glue feeding metal pipe 7, in addition, power supply wires are arranged on the first arc-shaped electric heating plate 15 and the second arc-shaped electric heating plate 16, and the first arc-shaped electric heating plate 15 and the second arc-shaped electric heating plate 16 are powered by an external power supply.

[0036] Working principle: in use, first, the Y-shaped glue feeding metal pipe 7 is sleeved on the inner side of the two Y-shaped heating pipes 14, and the two Y-shaped heating pipes 14 are placed in the Y-shaped grooves 5 on the inner side of the first split mold 3 and the second split mold 4, and the inner side surfaces of the first split mold 3 and the second split mold 4 are fitted, the connecting column 11 on the side of the first split mold 3 is inserted into the square insertion slot 9 on the side of the second split mold 4, then the butterfly screws 13 are inserted into the plurality of fastening holes 10, the bottom ends of the butterfly screws 13 are screwed into the screw holes 12 on the connecting column 11, thereby fixing the connecting column 11 and the second split mold 4, and then fixing the first split mold 3 and the second split mold 4, then the upper combined mold 2 composed of the first split mold 3 and the second split mold 4 is placed in the lower injection mold 1, glue is injected into the Y-shaped glue feeding metal pipe 7 through the glue injection hole 8, the first arc-shaped electric heating plate 15 and the second arc-shaped electric heating plate 16 are powered to generate heat, and the Y-shaped glue feeding metal pipe 7 is heated by the first arc-shaped electric heating plate 15 and the second arc-shaped electric heating plate 16, so that the glue in the Y-shaped glue feeding metal pipe 7 does not solidify, and the glue is smoothly injected into the lower injection mold 1 for molding, finally, when the Y-shaped glue feeding metal pipe 7 needs to be removed, the plurality of butterfly screws 13 are directly removed from the screw holes 12 to release the fixing between the second split mold 4 and the first split mold 3, thereby taking out the two Y-shaped heating pipes 14 from the inner side of the first split mold 3 and the second split mold 4, and then taking out the Y-shaped glue feeding metal pipe 7 from between the two Y-shaped heating pipes 14, so as to clean the Y-shaped glue feeding metal pipe 7 and the glue injection hole 8.

[0037] The above merely describes a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and improvement concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A hot runner feeding structure of an injection mold, comprising a lower injection mold (1), characterized in that: The top of the lower injection mold (1) is provided with an upper combined mold (2), the upper combined mold (2) comprises a first split mold (3) and a second split mold (4) placed on the top of the lower injection mold (1), the inner side of the first split mold (3) and the second split mold (4) is provided with a Y-shaped groove (5), the Y-shaped groove (5) is sleeved with a heating mechanism (6), the inner side of the heating mechanism (6) is sleeved with a Y-shaped glue feeding metal pipe (7), the top end of the Y-shaped glue feeding metal pipe (7) is fixedly connected with a glue feeding bucket (8), the inner side of the second split mold (4) is provided with a plurality of square insertion grooves (9), the top surface of the second split mold (4) is provided with a plurality of fastening holes (10), the bottom end of the plurality of fastening holes (10) is respectively communicated with the inner cavity of the plurality of square insertion grooves (9), the inner side of the first split mold (3) is fixedly connected with a plurality of connecting columns (11), the end of the plurality of connecting columns (11) is respectively movably sleeved into the inner cavity of the square insertion groove (9) and is provided with a threaded hole (12), the inner cavity of the plurality of fastening holes (10) is sleeved with a butterfly screw (13), the bottom end of the butterfly screw (13) is threadedly installed into the inner cavity of the threaded hole (12).

2. The hot runner manifold of claim 1, wherein: The heating mechanism (6) comprises a Y-shaped heating pipe (14) sleeved in the inner cavity of the two Y-shaped grooves (5), the inner wall of the bottom end of the two Y-shaped heating pipes (14) is fixedly sleeved with a second arc-shaped electric heating plate (16), the inner wall of the top end of the two Y-shaped heating pipes (14) is fixedly sleeved with a first arc-shaped electric heating plate (15), the Y-shaped glue feeding metal pipe (7) is sleeved in the inner cavity of the two Y-shaped heating pipes (14).

3. The hot runner manifold of claim 2, wherein: The outer side surface of the Y-shaped heating pipe (14) and the inner wall of the Y-shaped groove (5) are matched, and the bottom surfaces of the Y-shaped heating pipe (14) and the Y-shaped glue feeding metal pipe (7) are matched with the bottom surfaces of the first split mold (3) and the second split mold (4).

4. The hot runner manifold of claim 1 wherein: The side surface of the connecting column (11) and the inner wall of the square insertion groove (9) are matched.

5. The hot runner manifold of claim 4, wherein: The inner diameter of the fastening hole (10) is equal to the outer diameter of the butterfly screw (13).

6. The hot runner manifold of claim 2, wherein: The outer side surface of the Y-shaped glue feeding metal pipe (7) is matched with the inner side surfaces of the first arc-shaped electric heating plate (15), the second arc-shaped electric heating plate (16) and the Y-shaped heating pipe (14) respectively.

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