CN220534817U - Structure for surrounding hot runner point gate by water way insert - Google Patents
Structure for surrounding hot runner point gate by water way insert Download PDFInfo
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- CN220534817U CN220534817U CN202322275537.6U CN202322275537U CN220534817U CN 220534817 U CN220534817 U CN 220534817U CN 202322275537 U CN202322275537 U CN 202322275537U CN 220534817 U CN220534817 U CN 220534817U
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- insert
- waterway
- hot runner
- groove
- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 61
- 238000001816 cooling Methods 0.000 claims abstract description 28
- 239000000498 cooling water Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of dies, in particular to a structure for surrounding a hot runner point gate by using a water channel insert. According to the utility model, the water channel insert is newly added on the die core, the cooling water channel is arranged on the water channel insert, and the cooling water channel surrounds the hot runner point gate, so that the cooling effect is good.
Description
Technical Field
The utility model relates to the technical field of dies, in particular to a structure for surrounding a hot runner point gate by a runner insert.
Background
Under normal conditions, the cooling protection measure of the mold core to the hot runner point gate is to open the inside of the mold core to lay a water path, so as to reach the required cooling requirement, as shown in fig. 1, the following problems exist: (1) The traditional waterway has few available parts, a large amount of unnecessary processing resources are wasted in the waterway processing process of the die core, the processing cost is high, the processing difficulty is high, and the production period of the die core die is prolonged; (2) The too long waterway and too slow water circulation in the interior also lead to low heat energy replacement efficiency, can not cool and protect the hot runner sprue, and further lead to burn of the product caused by too high temperature of the glue port, and generate defective products; (3) The service life of the hot runner glue port is greatly shortened when the hot runner glue port is in a high-temperature state for a long time. Frequent replacement, maintenance and maintenance of the hot runner are increased, and unnecessary cost expenditure is increased; and (4) the water path is difficult to clean and is not thorough to clean.
In the prior art, the die core waterway insert is adopted to process the waterway, but the existing waterway insert is complicated to process, the waterway is poor in remote water circularity, and the hot runner cannot be cooled in time.
Disclosure of Invention
In order to solve the problem that an existing cooling water channel has a poor cooling effect on a hot runner sprue, the utility model provides a structure with a good cooling effect, wherein a water channel insert surrounds the hot runner sprue.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a with hot runner point runner's structure is surrounded to water channel mold insert, includes the mould benevolence on can dismantle and be fixed with the water channel mold insert, the water channel mold insert on have the cooling water route, the cooling water route be used for cooling the hot runner point runner on the mould benevolence, the cooling water route surround hot runner point runner, hot runner point runner pass the water channel mold insert.
Further, the hot runner needle valve is arranged on the die core, a through hole matched with the valve needle of the hot runner needle valve is formed in the waterway insert, and the valve needle passes through the through hole. The waterway insert closely surrounds the hot runner needle valve, and the cooling effect is better.
Furthermore, the waterway insert is provided with a waterway groove, and the waterway groove and the die core are surrounded to form a closed cooling loop. The water channel is of an open water channel structure, and is convenient to process, clean and maintain.
Furthermore, the waterway groove comprises an annular water groove, and the annular water groove is communicated with a water inlet groove and a water outlet groove. The heat conduction of the annular water tank is more uniform and effective.
Further, the annular water tank is provided with a first end and a second end which are mutually separated, the first end is communicated with the water inlet tank, and the second end is communicated with the water outlet tank. Thus, the water flow capacity in the waterway insert is strong, and the water flow has short residence time in the die core during the processing process, but the heat replacement capacity.
Further, the die core is provided with a water inlet corresponding to the water inlet groove and a water outlet corresponding to the water outlet groove. The water inlet and the water outlet correspond to the water inlet tank and the water outlet tank, and are convenient to process and realize.
Furthermore, the die core is provided with an insert groove, and the waterway insert is arranged in the insert groove. The waterway inserts are embedded in the insert grooves, so that the space is saved, and meanwhile, the good heat replacement capability can be realized.
Furthermore, the waterway insert is fixed on the die core through screws. Through the screw connection, be convenient for realize the dismantlement of water route mold insert.
Further, the bottom surface of the waterway insert is matched with the bottom surface of the die core in shape, so that the appearance is more attractive and consistent.
The beneficial effects are that:
(1) According to the utility model, the waterway insert is newly added on the die core, the cooling waterway is arranged on the waterway insert, and the cooling waterway surrounds the hot runner point gate, so that the cooling effect is good;
(2) The cooling water path on the die core is saved, the die water path processing cost can be effectively reduced, the die core production cost is effectively reduced, the die core processing difficulty is reduced, the water path processing length is shortened, and the die processing period is shortened;
(3) Compared with the water circularity of the traditional waterway, the technical scheme of the utility model adopts the annular waterway surrounding point gate structure, so that the heat conduction is more uniform and effective, the heat conduction efficiency is improved, and the heat energy replacement of the waterway point gate is greatly improved;
(4) The excellent capability of surrounding the sprue by the annular waterway is more effective than the heat conduction capability of the traditional waterway, the service life problem of the hot runner is effectively solved, and the maintenance cost of the valve needle of the sprue by the hot runner is reduced;
(5) The adverse conditions of products such as scalding, wiredrawing, trace and the like caused by overhigh temperature of a gate in the production process are avoided, and the production quality and the production efficiency of the products are further improved;
(6) Compared with the maintenance of a traditional waterway, the novel waterway mold is more convenient and efficient, the overall mold core carrying is not needed, and the cleaning effect is remarkably improved when the cleaning maintenance cost of the later waterway is obviously reduced as long as the related waterway mold insert is independently removed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a cooling water path on a mold core according to the prior art;
FIG. 2 is a schematic diagram illustrating the assembly relationship between a waterway insert and a mold insert according to the present utility model;
FIG. 3 is a schematic view illustrating the disassembly of the waterway insert and the mold insert according to the present utility model;
FIG. 4 is a schematic diagram of a mold core according to the present utility model;
FIG. 5 is a schematic view of the waterway insert of the present utility model;
fig. 6 is a schematic diagram of the positional relationship between the cooling circuit and the hot runner needle valve.
The mold comprises a mold core, 11, a water inlet, 12, a water outlet, 13, an insert groove, 2, a waterway insert, 21, a waterway groove, 211, an annular water groove, 212, a water inlet groove, 213, a water outlet groove, 22, a through hole, 3, a hot runner needle valve, 31, a valve needle, 4, a cooling circuit, 5 and a screw.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.
As shown in fig. 2 to 6, a structure for surrounding a hot runner sprue with a water channel insert comprises a mold core 1, wherein the mold core 1 is detachably fixed with a water channel insert 2, the water channel insert 2 is provided with a cooling water channel, and the cooling water channel is used for cooling the hot runner sprue on the mold core 1. The cooling waterway surrounds the hot runner sprue, which passes through the waterway insert 2.
The mold core 1 is provided with a hot runner needle valve 3, the waterway insert 2 is provided with a through hole 22 matched with a valve needle 31 of the hot runner needle valve 3, and the valve needle 31 passes through the through hole 22.
The waterway insert 2 is provided with a waterway groove 21, and the waterway groove 21 and the die core 1 are surrounded to form a closed cooling circuit 4. The mold core 1 can be adapted to the water channel 21 according to the shape requirement of the cooling circuit 4, so long as the closed cooling circuit 4 can be realized by matching with the water channel 21. To meet the cooling effect, the cooling circuit 4 encloses the hot runner needle valve 3 by a length of at least 10 mm. The water path tank 21 includes an annular water tank 211, and the annular water tank 211 is communicated with a water inlet tank 212 and a water outlet tank 213. The annular water tank 211 has a first end and a second end spaced apart from each other, the first end communicating with the water inlet tank 212 and the second end communicating with the water outlet tank 213. The die core 1 is provided with a water inlet 11 corresponding to the water inlet groove 212 and a water outlet 12 corresponding to the water outlet groove 213. Compared with the prior art, the cooling water channel is processed on the die core 1, and only the water inlet channel and the water outlet channel are processed on the die core 1, so that the difficulty is low, and the processing is convenient.
According to the different flow channel sizes and shapes, the relevant sizes of the mold core 1 and the waterway insert 2 can be designed to achieve the maximum heat energy replacement effect. As an embodiment of the present utility model, the insert 1 is provided with an insert groove 13, and the waterway insert 2 is installed in the insert groove 13. The waterway insert 2 is fixed on the die core 1 through a screw 5. The depth of the water channel insert 2 is based on the distance from the gate to the bottom of the mold core 1. As shown in fig. 2, the shape of the bottom surface of the waterway insert 2 is adapted to the shape of the bottom surface of the mold core 1, so that the waterway insert is more attractive in appearance and good in continuity.
The installation process comprises the following steps:
the water channel groove 21 is machined at the bottom of the water channel insert 2, an insert groove 13 is additionally arranged at the point gate position of the die core 1, the water channel insert 2 is installed in the die core insert groove 13, the water channel insert 2 is fixed in the insert groove 13 by using the screw 5, and the valve needle 31 of the hot runner needle valve 3 penetrates through the through hole 22 of the water channel insert 2 until the installation is finished.
The cooling waterway is directly formed at the bottom of the waterway insert 2, and the cooling waterway is simple in structure, short in processing waterway and simple in production, so that the production cost of the die core 1 is lower, and the production resource capacity of a workshop can be better utilized. The water flow capacity in the waterway insert 2 is strong, the residence time of water flow in the die core 1 is short in the processing process, but the heat replacement capacity is more excellent than before, the existing cooling problem is specifically targeted, and the gate protection capacity is remarkably improved.
The utility model is suitable for the application occasions requiring the water path to cool the sprue of the hot-runner in the molding process.
The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.
Claims (9)
1. A structure for surrounding a hot runner point gate with a waterway insert, characterized by: the mold comprises a mold core (1), wherein a waterway insert (2) is detachably fixed on the mold core (1), a cooling waterway is arranged on the waterway insert (2), the cooling waterway is used for cooling a hot runner point gate on the mold core (1), the cooling waterway surrounds the hot runner point gate, and the hot runner point gate penetrates through the waterway insert (2).
2. The structure for surrounding a hot runner header gate with a runner insert according to claim 1, wherein: the mold core (1) is provided with a hot runner needle valve (3), the waterway insert (2) is provided with a through hole (22) matched with a valve needle (31) of the hot runner needle valve (3), and the valve needle (31) passes through the through hole (22).
3. The structure for surrounding a hot runner header gate with a runner insert according to claim 1, wherein: the water channel insert (2) is provided with a water channel groove (21), and the water channel groove (21) and the die core (1) are surrounded to form a closed cooling loop (4).
4. A structure for surrounding a hot runner header gate with a runner insert as claimed in claim 3, wherein: the waterway groove (21) comprises an annular water groove (211), and the annular water groove (211) is communicated with a water inlet groove (212) and a water outlet groove (213).
5. The structure for surrounding a hot runner header gate with a runner insert as described in claim 4, wherein: the annular water tank (211) has a first end and a second end which are spaced apart from each other, the first end being in communication with the water inlet tank (212), and the second end being in communication with the water outlet tank (213).
6. The structure for surrounding a hot runner header gate with a runner insert as described in claim 4, wherein: the die core (1) is provided with a water inlet (11) corresponding to the position of the water inlet groove (212) and a water outlet (12) corresponding to the position of the water outlet groove (213).
7. The structure for surrounding a hot runner header gate with a runner insert according to claim 1, wherein: the die core (1) is provided with an insert groove (13), and the waterway insert (2) is arranged in the insert groove (13).
8. The structure for surrounding a hot runner header gate with a runner insert according to claim 1, wherein: the waterway insert (2) is fixed on the die core (1) through a screw (5).
9. The structure for surrounding a hot runner header gate with a runner insert according to claim 1, wherein: the bottom surface of the waterway insert (2) is matched with the bottom surface of the die core (1) in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322275537.6U CN220534817U (en) | 2023-08-23 | 2023-08-23 | Structure for surrounding hot runner point gate by water way insert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322275537.6U CN220534817U (en) | 2023-08-23 | 2023-08-23 | Structure for surrounding hot runner point gate by water way insert |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220534817U true CN220534817U (en) | 2024-02-27 |
Family
ID=89973314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322275537.6U Active CN220534817U (en) | 2023-08-23 | 2023-08-23 | Structure for surrounding hot runner point gate by water way insert |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220534817U (en) |
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2023
- 2023-08-23 CN CN202322275537.6U patent/CN220534817U/en active Active
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