Hot runner splitter plate

By setting a combination of heating ring and heat-conducting wire inside the manifold, the problem of uneven heating of the manifold is solved, and uniform heating of the manifold tube and material removal in the nozzle are achieved, thereby improving the uniformity of the melt and production efficiency.

CN223777695UActive Publication Date: 2026-01-09DISPAI ELECTRICAL & MECHANICAL (KUNSHAN) CO LTD
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Patent Information

Application Number
CN202520413767.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-01-09
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

The existing manifold cannot fully heat the manifold during the heating process, resulting in uneven temperature of the plastic melt and affecting the uniformity of the melt.

Method used

Multiple uniform heating components, including heating rings and heat-conducting wires, are set inside the flow divider plate. The heating rings provide circumferential heating to the outside of the flow divider, and the electric push rod and connecting pipe assembly ensure that the air extraction component is in close contact with the hot nozzle to remove residual materials.

Benefits of technology

It achieves uniform heating of the distributor tube, avoids material cooling and solidification, ensures the uniformity of the melt, and effectively removes residual material in the nozzle.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of splitter plates, in particular to a hot runner splitter plate which comprises a splitter plate body, a splitter pipe is arranged in the splitter plate body, and a plurality of uniform heating assemblies are arranged in the splitter plate body. And the uniform heating assembly comprises a plurality of empty grooves formed in the inner side of the splitter plate body, heating rings are fixedly connected to the side faces of the inner walls of the empty grooves, the heating rings are arranged on the outer sides of the splitter pipes, heat conduction wires are arranged on the inner side of the splitter plate body in a penetrating mode, and the heat conduction wires are arranged on the heating rings in a penetrating mode. According to the device, the heat conduction wire and the heating ring are arranged in a matched mode, the outer side of the flow dividing pipe can be heated more evenly, the heating ring is arranged in an annular mode, the periphery of the flow dividing pipe can be heated, the situation that the flow dividing pipe is not heated comprehensively, and consequently the uniformity of a material solution is improved is avoided, and due to the arrangement of the multiple heating assemblies, the heating efficiency is improved. And all positions of the shunt pipe can be uniformly heated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of shunt plate, especially a hot runner shunt plate. BACKGROUND

[0002] Hot runner is through the method of heating to guarantee the plastic of runner and sprue to keep melting state, hot runner system generally by hot nozzle, shunt plate, temperature control box and accessory and so on several parts constitute, hot nozzle generally includes two kinds: open type hot nozzle and needle valve type hot nozzle, because the form of hot nozzle directly decides the selection of hot runner system and the manufacture of mould, thus corresponding hot runner system is divided into open type hot runner system and needle valve type hot runner system, and shunt plate is an important component part.

[0003] In view of the related technology in the above, the defects of the existing shunt plate are that the runner system needs to accurately control the temperature of each hot runner to ensure that the plastic melt is consistent in temperature when flowing through the whole system, and the shunt pipe is heated by heating wire, which is not comprehensive enough, and may cause the plastic melt to be heated too much or too little in some areas, thereby affecting the uniformity of the melt, therefore, the utility model provides a hot runner shunt plate. UTILITY MODEL CONTENT

[0004] The purpose of the present application is to provide a hot runner shunt plate to solve the problem of accurately controlling the temperature of each hot runner in the background art to ensure that the plastic melt is consistent in temperature when flowing through the whole system, and the shunt pipe is heated by heating wire, which is not comprehensive enough, and may cause the plastic melt to be heated too much or too little in some areas, thereby affecting the uniformity of the melt.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a hot runner shunt plate, comprising a shunt plate body, a shunt pipe is arranged in the shunt plate body, a plurality of uniform heating assemblies are arranged in the shunt plate body; the uniform heating assembly comprises a plurality of air slots opened in the inner side of the shunt plate body, a heating ring is fixedly connected to the inner wall side of the air slot, the heating ring is arranged on the outer side of the shunt pipe, a heat conducting wire is arranged in the inner side of the shunt plate body, and the heat conducting wire passes through a plurality of heating rings.

[0006] Preferably, the outer side of the shunt plate body is fixedly connected with a fixing frame, and the inner wall of the fixing frame is fixedly connected with an electric push rod.

[0007] Preferably, the output end of the electric push rod is fixedly connected with a connecting rod, and the end away from the electric push rod of the connecting rod is fixedly connected with a connecting head.

[0008] Preferably, the outer side of the connecting head is fixedly connected with a plurality of connected connecting pipes, and the outer side of the connecting pipe is provided with an air extraction assembly.

[0009] Preferably, the air extraction assembly comprises a plurality of suction heads arranged outside the connecting pipe, and the connecting pipes are fixedly connected with the communicating pipes.

[0010] Preferably, a groove is arranged on the outside of the shunt plate body, and a heating wire is arranged on the inner wall side of the groove.

[0011] Preferably, a plurality of hot nozzles are fixedly connected with the shunt pipes on the outside of the shunt plate body, and the plurality of heating rings are made of red copper rings.

[0012] In summary, the technical effects and advantages of the utility model are as follows:

[0013] 1. In the utility model, the cooperation of the heat-conducting wire and the heating ring can uniformly heat the outside of the shunt pipe, the heating ring is arranged in a ring shape, can heat the circumference of the shunt pipe, avoids the heating of the shunt pipe not being comprehensive enough, causes the uniformity of the material solution, and through the arrangement of the plurality of heating assemblies, the positions of the shunt pipe can be uniformly heated.

[0014] 2. In the utility model, through the arrangement of the electric push rod, the connecting rod, the connecting head, the connecting pipe, the communicating pipe and the suction head, the plurality of suction heads are attached to the corresponding hot nozzles, the air extractor arranged outside is controlled to absorb the material in the nozzle of the hot nozzle through the connecting head, the connecting pipe, the communicating pipe and the suction head, and the residual material is avoided to affect the export of the material. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0016] Figure 1 It is a first perspective view of the structure of the utility model;

[0017] Figure 2 It is a second perspective view of the structure of the utility model;

[0018] Figure 3 It is a structure diagram of the connecting pipe, the communicating pipe and the suction head in the utility model;

[0019] Figure 4 It is a structure diagram of the heating ring and the shunt pipe in the utility model.

[0020] In the figure: 1, the shunt plate body; 2, the fixed frame; 3, the connecting head; 4, the connecting pipe; 5, the connecting rod; 6, the electric push rod; 7, the hot nozzle; 8, the communication pipe; 9, the suction head; 10, the heating wire; 11, the heat conducting wire; 12, the heating ring; 13, the groove; 14, the shunt pipe. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] In the description of the utility model, it needs to be explained that unless there are explicit provisions and limitations, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood in a broad sense. For example, "connected" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium; can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0023] Embodiment one: reference Figures 1-4 As shown in a hot runner shunt plate, including shunt plate body 1, shunt plate body 1 is provided with shunt pipe 14, shunt plate body 1 is provided with a plurality of uniform heating components; The uniform heating component includes a plurality of air slots opened in the inner side of the shunt plate body 1, the inner wall side of the air slot is fixedly connected with the heating ring 12, the heating ring 12 is arranged on the outer side of the shunt pipe 14, the inner side of the shunt plate body 1 is provided with the heat conducting wire 11, the heat conducting wire 11 is provided with a plurality of heating rings 12, which is convenient for uniform heating of the outer side of the shunt pipe 14, avoids the cooling and solidification of part of the material due to uneven heating; The outer side of the shunt plate body 1 is fixedly connected with the fixed frame 2, the inner wall of the fixed frame 2 is fixedly connected with the electric push rod 6, and the fixed frame 2 supports the electric push rod 6; The output end of the electric push rod 6 is fixedly connected with the connecting rod 5, and the end away from the electric push rod 6 of the connecting rod 5 is fixedly connected with the connecting head 3; The outer side of the connecting head 3 is fixedly connected with a plurality of connected connecting pipes 4, and the outer side of the connecting pipe 4 is provided with a suction assembly; The suction assembly includes a plurality of suction heads 9 arranged on the outer side of the connecting pipe 4, the suction heads 9 are fixedly connected with the communication pipe 8, and the connecting pipe 4 is connected with one of the connecting pipes 4, so that the residual material in the nozzle of the hot nozzle 7 can be absorbed.

[0024] In the embodiment, the heating ring 12 can heat the outer side of the shunt pipe 14 more uniformly, avoid uneven heating, and cause some materials to cool and solidify. The hot nozzle 7 can guide the molten material out. After the material is guided out, the electric push rod 6 drives the connecting rod 5, the connecting head 3, the connecting pipe 4, the communication pipe 8, and the plurality of suction heads 9 to move, so that the plurality of suction heads 9 are attached to the corresponding hot nozzles 7. The external suction machine is connected to the connecting head 3, the connecting pipe 4, the communication pipe 8, and the suction head 9 to absorb the material in the nozzle of the hot nozzle 7.

[0025] Embodiment two: reference Figures 1-4 Based on the same concept as the above embodiment one, the embodiment also provides that the outer side of the shunt plate body 1 is provided with a groove 13, and the inner wall side of the groove 13 is provided with a heating wire 10. The outer side of the shunt plate body 1 is fixedly connected with a plurality of hot nozzles 7 which are communicated with the shunt pipe 14. The plurality of heating rings 12 are made of red copper rings and have good heat conduction effect.

[0026] In the embodiment, the heating wire 10 keeps the material in the shunt pipe 14 in a molten state. The external heater heats the plurality of heating rings 12 at different positions through the heat conducting wire 11 to further heat the material.

[0027] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and does not limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or equivalently replace some technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A hot runner manifold comprising a manifold body (1), characterized in that: A shunt plate body (1) is provided with a shunt pipe (14), and the shunt plate body (1) is provided with a plurality of uniform heating assemblies; The uniform heating assembly comprises a plurality of air slots formed in the inner side of the shunt plate body (1), the inner wall side of the air slot is fixedly connected with a heating ring (12), the heating ring (12) is arranged on the outer side of the shunt pipe (14), the inner side of the shunt plate body (1) is provided with a heat conducting wire (11), and the heat conducting wire (11) penetrates through a plurality of heating rings (12).

2. The hot- flow manifold distribution plate of claim 1, wherein: The outer side of the shunt plate body (1) is fixedly connected with a fixed frame (2), and the inner wall of the fixed frame (2) is fixedly connected with an electric push rod (6).

3. A hot- flow manifold distribution plate according to claim 2, wherein: The output end of the electric push rod (6) is fixedly connected with a connecting rod (5), and the end away from the electric push rod (6) of the connecting rod (5) is fixedly connected with a connecting head (3).

4. A hot-duct manifold as claimed in claim 3, wherein: The outer side of the connecting head (3) is fixedly connected with a plurality of connected connecting pipes (4), and the outer side of the connecting pipe (4) is provided with a gas extraction assembly.

5. A hot-duct manifold as claimed in claim 4, wherein: The gas extraction assembly comprises a plurality of suction heads (9) arranged on the outer side of the connecting pipe (4), the suction heads (9) are fixedly connected with a communication pipe (8), and the connecting pipe (4) is connected with one of the connecting pipes (4).

6. A hot-duct manifold as defined in claim 1, wherein: The outer side of the shunt plate body (1) is provided with a groove (13), and the inner wall side of the groove (13) is provided with a heating wire (10).

7. A hot-duct flow plate according to claim 1 wherein: The outer side of the shunt plate body (1) is fixedly connected with a plurality of heat nozzles (7) connected with the shunt pipe (14), and a plurality of the heating rings (12) are made of purple copper rings.