CN218965923U - One-to-eight hot runner casting system with double positioning and high precision - Google Patents
One-to-eight hot runner casting system with double positioning and high precision Download PDFInfo
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- CN218965923U CN218965923U CN202122799842.6U CN202122799842U CN218965923U CN 218965923 U CN218965923 U CN 218965923U CN 202122799842 U CN202122799842 U CN 202122799842U CN 218965923 U CN218965923 U CN 218965923U
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Abstract
A double-positioning high-precision one-to-eight hot runner pouring system comprises a main runner nozzle, a main hot runner plate, two symmetrically arranged sub-runner plates and eight injection nozzles, wherein a needle valve assembly is connected to the eight injection nozzles and comprises a piston and a valve needle, one end of the valve needle is connected with the piston, the other end of the valve needle extends into the injection nozzles, a valve needle guide sleeve I is arranged in the injection nozzles, the valve needle and the valve needle guide sleeve I are sealed in a sliding fit manner, and the valve needle can be opened or closed for the injection nozzles. According to the double-positioning high-precision one-to-eight hot runner pouring system, 8 identical products can be injected simultaneously through one-to-two and two-to-four runner designs, the valve needle with the double-positioning structure can ensure high-speed high-precision repeated accurate positioning of the valve needle, an independent heating structure is adopted to control the raw material heating temperature set by process parameters, and the temperature of sizing materials is ensured to be precisely controlled in a set temperature region when the sizing materials pass through the split runner and the nozzle at high speed.
Description
Technical Field
The utility model belongs to the technical field of novel processing and application of high polymer materials, and particularly relates to a double-positioning high-precision one-to-eight hot runner pouring system.
Background
The mould is an important technological base of the manufacturing industry, and the mould manufacturing in China belongs to the manufacturing industry of special equipment. The injection mold is a tool for producing plastic products; is also a tool for endowing plastic products with complete structure and precise dimensions. Injection molding is a process used in mass production of parts of complex shape. Specifically, the heated and melted material is injected into a die cavity from high pressure, and after cooling and solidification, a formed product is obtained, in the injection molding process, the injection molding effect directly relates to the quality of the die, and the existing injection die is simple in structure and single in function.
In the conventional pouring structure of the hot runner mold, the injection nozzle of the hot runner is in butt joint with the cavity of the mold to inject the sizing material, the pouring structure can achieve better injection molding effect for some products with larger structures or products with larger wall thickness, but when the space at the glue inlet of some thin-wall products or the cavity is smaller than the end part of the main runner, the injection molding mode easily causes unbalanced injection molding feeding between the product cavities, and the quality of the molded products is difficult to obtain consistency, so that a more reasonable precise hot runner pouring system is needed to be adopted for effective control.
Disclosure of Invention
The utility model aims to: the utility model aims to provide a double-positioning high-precision one-to-eight hot runner pouring system, which solves the problems that a thin-wall product in the prior art is easy to deform, lack materials, long in product forming period, difficult in glue injection and the like in the forming process.
The technical scheme is as follows: the utility model provides a double-positioning high-precision one-to-eight hot runner pouring system which comprises a main runner nozzle, a main hot runner plate, two symmetrically arranged sub runner plates and eight injection nozzles, wherein the main runner nozzle is arranged on the main hot runner plate, the main runner nozzle is communicated with a main runner in the main hot runner plate, the sub runner in the sub runner plate is communicated with the main runner in the main hot runner plate, 4 injection nozzles are arranged on the sub runner plate, the injection nozzles are communicated with the sub runner in the sub runner plate, the eight injection nozzles are connected with a needle valve assembly, the needle valve assembly comprises a piston assembly and a needle valve, the piston is arranged on a die, the piston is connected with a compression gas path, one end of the needle valve is connected with the piston assembly, the other end of the needle valve needle extends into the injection nozzle, a valve needle guide sleeve I is arranged in the injection nozzle, the needle penetrates the valve needle guide sleeve I, and the valve needle is connected with the valve needle guide sleeve in a sliding way, and the valve needle can be opened or closed.
Furthermore, in the double-positioning high-precision one-to-eight hot runner pouring system, heating rings are wound outside the main runner nozzle and the eight injection nozzles, and the heating rings are spirally arranged.
Further, the double-positioning high-precision one-eighth hot runner pouring system comprises a first piston body, a first valve needle fixing sleeve, a sealing ring and a locking nut, wherein the first piston body is arranged in a die, the first piston body can reciprocate in the die, the first valve needle fixing sleeve is connected with the first piston body through the locking nut, and one end of the valve needle is connected with the first valve needle fixing sleeve.
Furthermore, in the one-to-eight hot runner casting system with double positioning and high precision, the second valve needle guiding sleeve is arranged on the mold, the second valve needle guiding sleeve is fixedly arranged on the mold through a screw, and the second valve needle fixing sleeve is in sliding connection with the second valve needle guiding sleeve.
Furthermore, in the double-positioning high-precision one-to-eight hot runner pouring system, a sealing ring is arranged between the outer diameter of the first piston main body and the die.
Furthermore, in the one-to-eight hot runner pouring system with double positioning and high precision, the main hot runner plate is arranged in a straight shape, the main runner nozzle is arranged at the middle position of the main hot runner plate, and the two symmetrically arranged sub-runner plates are respectively connected with two ends of the length direction of the main hot runner plate.
Furthermore, the double-positioning high-precision one-to-eight hot runner pouring system is characterized in that the runner plate is arranged in an H shape, and the 4 injection nozzles connected to the runner plate are respectively positioned at four equidistant corner positions of the runner plate.
Furthermore, in the double-positioning high-precision one-to-eight hot runner pouring system, the main hot runner plate and the two symmetrically arranged sub runner plates are respectively provided with a temperature sensing wire.
The technical scheme can be seen that the utility model has the following beneficial effects: according to the double-positioning high-precision one-to-eight hot runner pouring system, 8 identical products can be injected simultaneously through one-to-two and two-to-four runner designs, the valve needle with the double-positioning structure can ensure that the valve needle is accurately positioned to be opened or closed in the injection process, and the main runner nozzle, the main hot runner plate, the two symmetrically arranged sub-runner plates and the eight injection nozzles are heated by adopting independent heating structures, so that the cutting temperature of sizing materials when passing through the runners and the nozzles accords with set parameters, and the injection molding quality is ensured.
Drawings
FIG. 1 is a schematic diagram of a dual positioning high precision one-eighth hot runner casting system according to the present utility model;
FIG. 2 is a front view of a dual positioning high precision one-to-eight hot runner casting system according to the present utility model;
FIG. 3 is a top view of a dual positioning high precision one-to-eight hot runner casting system according to the present utility model;
FIG. 4 is a left side view of a dual positioning high precision one-to-eight hot runner casting system according to the present utility model;
FIG. 5 is a cross-sectional view of a dual positioning high precision one-eighth hot runner gating system according to the present utility model.
In the figure: a main runner nozzle 1, a main hot runner plate 2, a split runner plate 3, an injection nozzle 4, a valve needle guide sleeve 41, a needle valve assembly 5 and a piston assembly 51: (piston body one 511, valve needle fixing sleeve 512, locking nut 513, sealing ring 514), valve needle 52, heating ring 6, valve needle guide sleeve two 7, temperature sensing wire 8.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Examples
The double-positioning high-precision one-eighth hot runner pouring system as shown in fig. 1-5 comprises a main runner nozzle 1, a main hot runner plate 2, two symmetrically arranged sub runner plates 3 and eight injection nozzles 4, wherein the main runner nozzle 1 is arranged on the main hot runner plate 2, and the main runners in the main runner nozzle 1 and the main hot runner plate 2 are communicated, the sub runner in the sub runner plate 3 and the main runner in the main hot runner plate 2 are respectively provided with 4 injection nozzles 4, the injection nozzles 4 and the sub runner in the sub runner plate 3 are communicated, the needle valve assembly 5 is connected to the eight injection nozzles 4, the needle valve assembly 5 comprises a piston assembly and 52, the piston assembly is arranged on a die, one end of the needle 52 is connected with a piston assembly, the other end of the needle 52 extends into the injection nozzle 4, a valve needle guide sleeve 41 is arranged in the injection nozzle 4, and the needle guide sleeve 41 is connected with the valve needle assembly 52, and the valve needle assembly 52 is connected with the valve needle guide sleeve 41 in a sliding way, or the valve needle assembly 41 is connected with the valve needle guide sleeve 41.
The piston assembly 51 comprises a first piston body 511, a needle fixing sleeve 512 and a locking nut 513, wherein the first piston body 511 is arranged in a die, the first piston body 511 can reciprocate in the die, the needle fixing sleeve 512 is connected with the first piston body 511 through the locking nut 513, and one end of the needle 52 is connected with the needle fixing sleeve 512. The die is provided with a second valve needle guiding sleeve 7, the second valve needle guiding sleeve 7 is fixedly arranged on the die through a screw, and the valve needle fixing sleeve 512 is in sliding connection with the second valve needle guiding sleeve 7. A sealing ring 514 is arranged between the outer wall of the first piston body 511 and the die. The first valve needle guide sleeve 41 and the second valve needle guide sleeve 7 play a role in double guide, and ensure that the valve needle 52 and the injection nozzle 4 are positioned on the same axis, so that the injection nozzle 4 can be accurately opened or closed.
In addition, the main hot runner plate 2 is arranged in a straight shape, the main runner nozzle 1 is arranged at the middle position of the main hot runner plate 2, and the two symmetrically arranged sub-runner plates 3 are respectively connected with two ends of the main hot runner plate 2 in the length direction. The flow dividing channel plate 3 is arranged in an H shape, and 4 injection nozzles 4 connected to the flow dividing channel plate 3 are respectively positioned at four corners of the flow dividing channel plate 3.
In addition, the main hot runner plate 2 and the two symmetrically arranged sub-runner plates 3 are respectively provided with a temperature sensing line 8. Heating rings 6 are arranged outside the main runner nozzle 1 and the eight injection nozzles 4, and heating coils on the heating rings 6 are spirally arranged.
The foregoing is merely a preferred embodiment of the utility model, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the utility model, which modifications would also be considered to be within the scope of the utility model.
Claims (8)
1. A divide eight hot runner gating system of two location high accuracy which characterized in that: comprises a main runner nozzle (1), a main hot runner plate (2), two symmetrically arranged sub runner plates (3) and eight injection nozzles (4), wherein the main runner nozzle (1) is arranged on the main hot runner plate (2), and the main runner nozzle (1) is communicated with a main runner in the main hot runner plate (2), the sub runner in the sub runner plate (3) is communicated with the main runner in the main hot runner plate (2), 4 injection nozzles (4) are arranged on the sub runner plate (3), and the injection nozzles (4) are communicated with the sub runner in the sub runner plate (3), a needle valve assembly (5) is connected to the eight injection nozzles (4), the needle valve assembly (5) comprises a piston assembly and a needle valve (52), the piston assembly is arranged on a mould, and is connected with a compression gas path, one end of the needle valve needle (52) is connected with the piston assembly, and the other end of the needle valve needle (52) extends into the injection nozzle (4), the injection nozzle (4) is communicated with the sub runner (4) in the sub runner plate (3), the needle valve needle (41) is connected with a guide sleeve (41) through the needle guide sleeve (41), the valve needle (52) can open or close the injection nozzle (4).
2. The dual positioning high precision one-to-eight hot runner casting system of claim 1, wherein: heating rings (6) are arranged outside the main runner nozzle (1) and the eight injection nozzles (4), and heating coils on the heating rings (6) are spirally arranged.
3. The dual positioning high precision one-eighth hot runner gating system according to claim 1 or 2, wherein: the piston assembly (51) comprises a first piston body (511), a first valve needle fixing sleeve (512), a locking nut (513) and a sealing ring (514), wherein the first piston body (511) is arranged in a die, the first piston body (511) can reciprocate at a high speed in the die, the first valve needle fixing sleeve (512) is connected with the first piston body (511) through the locking nut (513), and one end of the valve needle (52) is connected with the first valve needle fixing sleeve (512).
4. A dual positioning high precision one-in-eight hot runner casting system according to claim 3, characterized in that: the die is provided with a valve needle guide sleeve II (7), the valve needle guide sleeve II (7) is fixedly arranged on the die through a screw, and the valve needle fixing sleeve (512) is in sliding connection with the valve needle guide sleeve II (7).
5. A dual positioning high precision one-in-eight hot runner casting system according to claim 3, characterized in that: a sealing ring (514) is arranged between the outer diameter of the first piston body (511) and the die.
6. The dual positioning high precision one-to-eight hot runner casting system of claim 1, wherein: the main hot runner plate (2) is arranged in a straight shape, the main runner nozzle (1) is arranged at the middle position of the main hot runner plate (2), and the two symmetrically arranged sub-runner plates (3) are respectively connected with two ends of the main hot runner plate (2) in the length direction.
7. The dual positioning high precision one-to-eight hot runner casting system of claim 6, wherein: the flow dividing channel plate (3) is arranged in an H shape, and 4 injection nozzles (4) connected to the flow dividing channel plate (3) are respectively positioned at four equidistant corner positions of the flow dividing channel plate (3).
8. The dual positioning high precision one-to-eight hot runner casting system of claim 1, wherein: and the main hot runner plate (2) and the two symmetrically arranged sub-runner plates (3) are respectively provided with a temperature sensing wire (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122799842.6U CN218965923U (en) | 2021-11-16 | 2021-11-16 | One-to-eight hot runner casting system with double positioning and high precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122799842.6U CN218965923U (en) | 2021-11-16 | 2021-11-16 | One-to-eight hot runner casting system with double positioning and high precision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218965923U true CN218965923U (en) | 2023-05-05 |
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ID=86156126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122799842.6U Active CN218965923U (en) | 2021-11-16 | 2021-11-16 | One-to-eight hot runner casting system with double positioning and high precision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218965923U (en) |
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2021
- 2021-11-16 CN CN202122799842.6U patent/CN218965923U/en active Active
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