CN218505106U - Hot runner mold with cooling function - Google Patents
Hot runner mold with cooling function Download PDFInfo
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- CN218505106U CN218505106U CN202223029645.7U CN202223029645U CN218505106U CN 218505106 U CN218505106 U CN 218505106U CN 202223029645 U CN202223029645 U CN 202223029645U CN 218505106 U CN218505106 U CN 218505106U
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Abstract
The utility model discloses a hot runner mold with cooling function, including the hot runner system that from top to bottom sets gradually, the hot runner plate, fixed die plate and movable mould board, be equipped with the installation cavity on the hot runner plate, hot runner system assembles in the installation cavity, hot runner system's runner end is equipped with hot nozzle, be equipped with into gluey convex closure on the hot nozzle, it stretches into injection moulding product surface to advance gluey convex closure, install the cover half mold insert on the fixed die plate, be equipped with the movable mould mold insert on the movable mould board, the cover half mold insert is equipped with first product molding structure on one side of movable mould mold insert, the movable mould insert is equipped with second product molding structure towards one side of cover half, be equipped with cooling system between fixed die plate and the movable mould board. The utility model discloses a hot runner advances gluey system and replaces the three-point type cold runner mode of advancing of current mould, and synchronous supporting intermediate layer formula cooling system shortens injection moulding product production cycle, improves drawing of patterns efficiency, advances gluey convex closure and stretches into injection moulding product's in the surface, realizes no mouth of a river material and generates, reduction in production cost.
Description
Technical Field
The utility model relates to an injection moulding product technical field, especially a hot runner mold with cooling function.
Background
A RH model circular cabinet shaft ring (bearing) (ZS 301/8183G) injection molding product produced in the existing injection molding workshop is researched and analyzed on the production site to find that a mold water gap flow channel can be reduced and optimized, a currently used three-plate mold adopts a three-point cold flow channel glue inlet mode, when a plastic injection molding machine enters glue, water gap materials (shown in attached figure 7) of the injection molding product can be left in a glue inlet path of a cold flow channel, and the water gap is heavy, so that the relatively high mold production cost is brought.
And the production raw materials of the product are PA6+ GF30 which can not be recovered, the weight of the single mold nozzle is 100.2g when the current mold is produced, so the material consumption of the daily production nozzle is heavier, the phenomenon of raw material waste exists, and the problem of low demolding efficiency caused by poor cooling effect after the product is molded due to the fact that the hot runner technology is adopted for improvement is also considered.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned shortcoming, the utility model aims at providing a hot runner mold with cooling function to solve present three-plate mold mould injection moulding in-process and produce the mouth of a river material, to some non-recoverable injection moulding product of raw and other materials bring with high costs and the raw materials is extravagant, and to changing into the low problem of production efficiency who produces the not good production that brings of cooling effect behind this type of product of hot runner mold production.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a hot runner system, includes cover half bottom plate, hot runner system, hot runner plate, fixed die plate and the movable mould board that from top to bottom sets gradually, be equipped with the installation cavity on the hot runner plate, hot runner system assembles in the installation cavity, hot runner system's runner end is equipped with hot nozzle, be equipped with into gluey convex closure on the hot nozzle, it stretches into in the injection moulding product surface to advance gluey convex closure, install the cover half mold insert on the fixed die plate, be equipped with the movable mould insert on the movable mould board, the cover half mold insert is equipped with first product shaping structure on one side of movable mould insert, the movable mould insert is equipped with second product shaping structure towards one side of cover half mold insert, be equipped with cooling system between fixed die plate and the movable mould board.
As a further improvement of the utility model: the cooling system comprises a first cooling pipeline and a second cooling pipeline, the first cooling pipeline is installed inside the fixed die insert, the second cooling pipeline is installed inside the movable die insert, and media with cooling effects flow through the first cooling pipeline and the second cooling pipeline.
As a further improvement of the utility model: the cooling system comprises a first cooling pipeline and a second cooling pipeline, the first cooling pipeline is installed in the fixed die insert, the second cooling pipeline is installed in the movable die insert, and a medium with a cooling effect flows through the first cooling pipeline and the second cooling pipeline.
As a further improvement of the utility model: the medium circulating in the first cooling pipeline and the second cooling pipeline is water.
As a further improvement of the utility model: the first cooling pipelines are distributed around the area corresponding to the first product forming structure, and the second cooling pipelines are distributed around the area corresponding to the second product forming structure.
As a further improvement of the utility model: the fixed die insert is provided with a first water inlet and a first water outlet on the periphery, the first water inlet is connected with one end of a first cooling pipeline, and the first water outlet is connected with the other end of the first cooling pipeline.
As a further improvement of the utility model: and a second water inlet and a second water outlet are formed in the periphery of the movable mold insert, the second water inlet is connected with one end of a second cooling pipeline, and the second water outlet is connected with the other end of the second cooling pipeline.
As a further improvement of the utility model: the first product forming structure and the second product forming structure form a cavity for producing an injection molding product.
As a further improvement of the utility model: the hot runner system is provided with three runners which are distributed in a triangular shape.
As a further improvement of the utility model: the glue inlet convex hull extends into the surface of the injection molding product by 0.2mm-0.5mm.
As a further improvement of the utility model: the hot runner mold is used for producing RH model circular cabinet shaft ring products.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses to the injection moulding product structure of RH model circular cabinet rim, the three-point type cold runner that system replaces current mould that advances through the gluey system of advancing that adopts hot runner mold advances gluey mode, rapid heating up when realizing mould production through the hot runner, product rapid prototyping to synchronous supporting design intermediate layer formula cooling system shortens injection moulding product's production cycle, improves drawing of patterns efficiency, and advances to glue the convex closure and directly stretch into injection moulding product's in the surface, realizes no mouth of a river material and generates, reduction in production cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the partial explosion of the present invention.
FIG. 3 is a schematic structural diagram of a fixed mold insert and a movable mold insert.
FIG. 4 is a schematic diagram of a hot runner system and cooling system.
Fig. 5 is a schematic structural diagram of the water cooling system.
FIG. 6 is a schematic structural diagram of a fixed mold insert.
FIG. 7 is a schematic view of the structure of the glue-feeding convex hull extending into the surface of the injection-molded product.
Fig. 8 is a schematic view of a product nozzle of a prior art three-plate mold injection process.
Reference numerals: 1. the hot runner mold comprises a fixed mold base plate, 2, a hot runner plate, 3, a fixed mold plate, 4, a fixed mold plate, 5, a hot runner system, 51, a hot nozzle, 52, a glue inlet convex hull, 6, a fixed mold insert, 61, a first product molding structure, 62, a fixing hole, 63, a glue inlet hole, 7, a movable mold insert, 71, a second product molding structure, 8, a first cooling pipeline, 81, a first water inlet, 82, a first water outlet, 9, a second cooling pipeline, 91, a second water inlet, 92, a second water outlet, 10, square iron, 11, a movable mold base plate, 12, an injection molding product, 13 and a product water gap.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following description will be given with reference to the embodiments of the present invention and the accompanying drawings, in which the technical solution of the present invention is clearly and completely described. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to solve the present three-plate mold mould among the prior art mould plastics the in-process produce the mouth of a river material, to some former materials non-recoverable injection moulding product bring with high costs and the raw materials extravagant, and to changing over to the technical problem that the production efficiency is low that this type of product after cooling effect brought of hot runner mold production is not good, it is right with the embodiment now to combine the figure description the utility model discloses further explain:
example 1
As shown in fig. 1 to 7, the embodiment discloses a hot runner mold with a cooling function, which includes a fixed mold base plate 1, a hot runner system 5, a hot runner plate 2, a movable mold plate 43 and a movable mold plate, which are sequentially arranged from top to bottom, wherein an installation cavity is arranged on the hot runner plate 2, the hot runner system 5 is assembled in the installation cavity, a hot nozzle 51 is arranged at the end of a runner of the hot runner system 5, a glue inlet convex hull 52 is arranged on the hot nozzle 51, the glue inlet convex hull 52 extends into the surface of an injection product 12, a fixed mold insert 6 is arranged on the movable mold plate 43, a movable mold insert 7 is arranged on the movable mold plate, a first product molding structure 61 is arranged on one side of the fixed mold insert 6 facing the movable mold insert 7, a second product molding structure 71 is arranged on one side of the movable mold insert 7 facing the movable mold insert 6, and a cooling system is arranged between the movable mold plate 43 and the movable mold plate.
This embodiment is to the injection moulding product 12 structure of RH model circular cabinet shaft collar, the three-point type cold runner that system replaces current mould of advancing the gluey mode through advancing of adopting hot runner mold, rapid heating up when realizing mould production through the hot runner, the product rapid prototyping to synchronous supporting design intermediate layer formula cooling system shortens the production cycle of injection moulding product 12, improve drawing of patterns efficiency, and advance gluey convex closure 52 and directly stretch into injection moulding product 12 in the surface, realize not having the mouth of a river material and generate, reduction in production cost.
The hot runner system 5 in this embodiment continues the glue feeding layout of the three-point cold runner of the old structure of the traditional three-plate mold, so that the balance and stability of the glue feeding of the mold during molding are ensured, the hot runner system 5 can accelerate the molding cycle and the molding quality of the part glue feeding, and the material in the cold runner of the old structure can be always in a molten state in the hot runner system 5, so that the mold can produce the injection molding product 12 in a high-efficiency mass production manner without a water gap.
Preferably, the single-mode hot runner system 5 is provided with three flow channels, and correspondingly, the fixed mold insert 6 is provided with fixing holes 62 which are assembled with the three flow channels, so that the flow channels of the hot runner system 5 are fixed in the fixed mold insert 6.
The hot runner system 5 comprises a splitter plate and a glue inlet, wherein the glue inlet is formed in the splitter plate, a splitter pipeline is further arranged on the splitter plate and communicated with a runner, and a molten injection molding material enters the runner from the glue inlet and enters the runner through the splitter pipeline on the splitter plate.
The first product forming structure 61 is provided with a glue inlet 63 at a position corresponding to the fixing hole 62, and the molten injection molding material flows out from the hot nozzle 51 of the runner, passes through the glue inlet convex hull 52 and is injected into a cavity formed by the first product forming structure 61 and the second product forming structure 71 from the glue inlet 63, so as to complete the injection molding production of the product.
It should be noted that, as shown in fig. 1, the fixed connection mode of the fixed mold base plate 1, the hot runner system 5, the hot runner plate 2 and the movable mold plate 43 remains the corresponding connection mode of the traditional three-plate mold, and the square iron 10 and the movable mold base plate 11 are further arranged below the movable mold plate 43, but the square iron and the movable mold base plate are not shown in the exploded view. Meanwhile, the hot runner system 5 in the present embodiment adopts a needle valve molding method.
Preferably, the cooling system comprises a first cooling pipeline 8 and a second cooling pipeline 9, the first cooling pipeline 8 is installed inside the fixed mold insert 6, the second cooling pipeline 9 is installed inside the movable mold insert 7, and a medium with a cooling effect flows through the first cooling pipeline 8 and the second cooling pipeline 9.
It should be noted that the first cooling circuit 8 and the second cooling circuit 9 are arranged to cover the molding area of the injection molding product 12, that is, the first cooling circuit 8 is circumferentially distributed with respect to the area of the first product molding structure 61, and the second cooling circuit 9 is circumferentially distributed with respect to the area of the second product molding structure 71.
Certainly, the cooling pipeline distributes in the product shaping region, and the specific restriction such as the number setting that the inside pipeline specifically was equipped with the number of piles, water inlet and delivery port, certainly, the water route in the inside of cover half mold insert 6 and movable mould mold insert 7 is shorter, that is to say, the distance of water from the water inlet to the delivery port is far shorter, and circulation speed is fast, and the heat is taken away efficiently, and the cooling effect is better, and is exemplary, and the cooling pipeline sets up to a plurality of circulation routes and multilayer water route overall arrangement.
More preferably, the medium flowing through the first cooling line 8 and the second cooling line 9 is water. Through setting up the three-dimensional cooling water route of intermediate layer formula between the side of deciding the mould, movable mould side, guarantee injection moulding product 12 shaping back, quick shaping.
Example 2
As shown in fig. 1 to 7, the embodiment discloses a hot runner mold with a cooling function, which includes a fixed mold base plate 1, a hot runner system 5, a hot runner plate 2, a movable mold plate 43 and a movable mold plate, which are sequentially arranged from top to bottom, wherein an installation cavity is arranged on the hot runner plate 2, the hot runner system 5 is assembled in the installation cavity, a hot nozzle 51 is arranged at the end of a runner of the hot runner system 5, a glue inlet convex hull 52 is arranged on the hot nozzle 51, the glue inlet convex hull 52 extends into the surface of an injection molding product 12, a fixed mold insert 6 is installed on the movable mold plate 43, a movable mold insert 7 is installed on the movable mold plate, a first product molding structure 61 is arranged on one side of the fixed mold insert 6 facing the movable mold insert 7, a second product molding structure 71 is arranged on one side of the movable mold insert 7 facing the insert 6, and a cooling system is arranged between the movable mold plate 43 and the movable mold plate.
Preferably, the first product-forming structure 61 and the second product-forming structure 71 form a cavity for producing the injection-molded product 12. The molten injection material enters the cavity from the runner of the hot runner system 5 through the hot nozzle 51 and the glue inlet convex hull 52, and is injected to form a shaft ring product.
The hot runner design of current three-plate mold mould is improved to the hot runner technique of this embodiment, directly puts the protruding package 52 of gluing of entering of hot runner nozzle on the product surface, realizes the production of injection moulding product 12 no water port, reduces the manufacturing cost of injection moulding product 12 that raw and other materials can not be recycled, has reduced the raw and other materials in the production process and has consumeed, and through the hot runner structure, realizes advancing the gluey point and breaks and be less than the product surface.
In addition, the embodiment ensures the rapid demoulding of the injection product 12 after molding by designing the sandwich type three-dimensional cooling system, shortens the injection molding production period, and realizes the high-efficiency and high-quality production of the mold.
Preferably, the first product-forming structure 61 is provided in the region thereof with a fixing hole 62 for receiving the hot nozzle 51.
That is to say, the glue inlet point at the bottom side of the hot runner is assembled in the fixed mold insert 6, and a glue inlet hole 63 for the molten injection molding material to flow into is formed in the region of the first product molding structure 61.
The hot runner mold can keep the injection molding material of the mold glue in a molten state in the hot runner to produce products, and glue is directly fed into the surface of the products through the hot nozzle of the hot runner, so that the non-water-gap production of the filter screen assembly products is realized.
Preferably, the cooling system comprises a first cooling pipeline 8 and a second cooling pipeline 9, the first cooling pipeline 8 is installed inside the fixed mold insert 6, the second cooling pipeline 9 is installed inside the movable mold insert 7, and a medium with a cooling effect flows through the first cooling pipeline 8 and the second cooling pipeline 9.
Preferably, the cooling system comprises a first cooling pipeline 8 and a second cooling pipeline 9, the first cooling pipeline 8 is installed inside the fixed mold insert 6, the second cooling pipeline 9 is installed inside the movable mold insert 7, and a medium with a cooling effect flows through the first cooling pipeline 8 and the second cooling pipeline 9.
Preferably, the medium flowing through the first cooling pipeline 8 and the second cooling pipeline 9 is water. After the injection product 12 is molded, flowing water is simultaneously cooled on the upper side and the lower side of the product, the cooling effect covers and surrounds the surface of the product, the cooling effect on the two sides is better, the quick cooling of the mold after the high-temperature glue feeding molding of the hot runner is greatly ensured, the molding of the injection product 12 avoids the quality hidden troubles of carbonization and yellow lines due to overhigh temperature of the hot runner, and the production period of the injection product 12 is better shortened.
Preferably, the first cooling circuit 8 is distributed around the area of the first product forming structure 61, and the second cooling circuit 9 is distributed around the area of the second product forming structure 71. And cooling annular water paths for covering the surfaces of the products are respectively designed on the fixed mold insert 6 and the movable mold insert 7, so that the cooling system respectively clamps the injection product 12 at the middle position up and down on the movable mold side and the fixed mold side.
Preferably, a first water inlet 81 and a first water outlet 82 are arranged on the periphery of the fixed mold insert 6, the first water inlet 81 is connected with one end of the first cooling pipeline 8, and the first water outlet 82 is connected with the other end of the first cooling pipeline 8.
Preferably, a second water inlet 91 and a second water outlet 92 are arranged on the periphery of the movable mold insert 7, the second water inlet 91 is connected with one end of the second cooling pipeline 9, and the second water outlet 92 is connected with the other end of the second cooling pipeline 9.
The annular water routes of the upper side and the lower side are respectively designed in the embodiment, the flowability is good when one water enters the annular water route and the flowability is good when one water exits the annular water route, the annular area covers the surface of the product, and the cooling effect during the production of the mold is greatly enhanced due to the three-dimensional design of the upper side and the lower side.
Preferably, the hot runner system 5 is provided with three flow channels, and the three flow channels are distributed in a triangular shape.
The hot runner mold that this embodiment designed uses the three-point type cold runner's of traditional three-plate mold structure to advance gluey mode as the basis, continues respectively and designs three-point type hot runner and advances gluey system, guarantee mould advances gluey equilibrium and stability when the shaping, can enough accelerate the part through hot runner system 5 and advance gluey molding cycle and shaping quality, can make the cold runner mouth of a river material of old structure be in the molten state at hot runner system 5 again always, make the mould can the injection product 12 of no mouth of a river of high efficiency volume production.
Preferably, the glue inlet convex hull 52 extends 0.2mm to 0.5mm into the surface of the injection molding product 12.
Because the glue feeding mode of the RH model circular cabinet shaft ring product is directly pointed on the surface of the injection molding product 12 with the balance requirement, the breakpoint of the glue feeding point becomes the quality problem of mass production of the mold. In order to ensure that the break point of the hot runner glue inlet point of the mold is lower than the glue position surface of the shaft ring injection product 12 and avoid the hidden trouble of product quality, the convex hull characteristic of the hot runner glue inlet point is designed, the hot runner glue inlet point is submerged into the surface of the injection product 12 by 0.3MM, and the quality problem that the product break point is higher than the product surface is solved.
Preferably, the hot runner mold is used for producing RH model circular cabinet shaft ring products.
The foregoing is merely exemplary of the present invention and is provided to enable those skilled in the art to understand and implement the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The hot runner mold with the cooling function is characterized by comprising a fixed mold base plate, a hot runner system, a hot runner plate, a fixed mold plate and a movable mold plate which are sequentially arranged from top to bottom, wherein an installation cavity is formed in the hot runner plate, the hot runner system is assembled in the installation cavity, a hot nozzle is arranged at the tail end of a runner of the hot runner system, a glue inlet convex bag is arranged on the hot nozzle and extends into the surface of an injection product, a fixed mold insert is installed on the fixed mold plate, a movable mold insert is assembled on the movable mold plate, a first product molding structure is arranged on one side of the fixed mold insert facing the movable mold insert, a second product molding structure is arranged on one side of the movable mold insert facing the fixed mold insert, and a cooling system is arranged between the fixed mold plate and the movable mold plate.
2. The hot-runner mold with a cooling function according to claim 1, wherein the cooling system comprises a first cooling pipeline and a second cooling pipeline, the first cooling pipeline is installed inside the fixed mold insert, the second cooling pipeline is installed inside the movable mold insert, and a medium with a cooling effect flows through the first cooling pipeline and the second cooling pipeline.
3. The hot-runner mold with a cooling function according to claim 2, wherein the medium circulating inside the first cooling pipeline and the second cooling pipeline is water.
4. The hot-runner mold with cooling capability of claim 2, wherein the first cooling channel is circumferentially distributed with respect to an area of the first product forming structure and the second cooling channel is circumferentially distributed with respect to an area of the second product forming structure.
5. The hot runner mold with the cooling function according to claim 3, wherein a first water inlet and a first water outlet are arranged on the outer periphery of the fixed mold insert, the first water inlet is connected with one end of a first cooling pipeline, and the first water outlet is connected with the other end of the first cooling pipeline.
6. The hot-runner mold with the cooling function according to claim 3, wherein a second water inlet and a second water outlet are arranged on the periphery of the movable mold insert, the second water inlet is connected with one end of a second cooling pipeline, and the second water outlet is connected with the other end of the second cooling pipeline.
7. The hot-runner mold with cooling capability of claim 1, wherein the first product-forming structure and the second product-forming structure form a cavity for producing an injection molded product.
8. The hot-runner mold with cooling function as claimed in claim 3, wherein the hot-runner system has three flow channels, and the three flow channels are distributed in a triangular shape.
9. The hot-runner mold with a cooling function as claimed in claim 8, wherein the glue inlet convex hull extends 0.2mm to 0.5mm into the surface of the injection product.
10. The hot-runner mold with the cooling function as claimed in any one of claims 1 to 9, wherein the hot-runner mold is used for producing RH model circular cabinet collar products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223029645.7U CN218505106U (en) | 2022-11-15 | 2022-11-15 | Hot runner mold with cooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223029645.7U CN218505106U (en) | 2022-11-15 | 2022-11-15 | Hot runner mold with cooling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218505106U true CN218505106U (en) | 2023-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223029645.7U Active CN218505106U (en) | 2022-11-15 | 2022-11-15 | Hot runner mold with cooling function |
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| Country | Link |
|---|---|
| CN (1) | CN218505106U (en) |
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2022
- 2022-11-15 CN CN202223029645.7U patent/CN218505106U/en active Active
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