Multi-cavity hot runner structure

Abstract

The utility model relates to the technical field of hot runners, in particular to a multi-cavity hot runner structure which comprises a splitter plate main body, a splitter pipe is arranged in the splitter plate main body, a plurality of hot nozzles communicated with the splitter pipe are fixedly connected to the outer side of the splitter plate main body, and a heating assembly is arranged on the outer side of the splitter plate main body; the heating assembly comprises a heating end fixedly connected with the outer side of the splitter plate body, a heat conduction wire is fixedly connected to one end of the heating end, a plurality of heating wires matched with the hot nozzles are fixedly connected to the outer side of the heat conduction wire, and concave grooves matched with the heat conduction wire are formed in the outer sides of the hot nozzles. According to the hot nozzle, the heating end, the heat conduction wire and the heating wire are arranged in a matched mode, so that materials in the hot nozzle can be continuously heated, the materials are kept in a molten state, the situation that the materials are cooled due to the low temperature is avoided, and the materials are attached to the inner wall of the hot nozzle.

Description

TECHNICAL FIELD

[0001] The utility model relates to hot runner technology field especially relates to a multi -cavity hot runner structure. BACKGROUND

[0002] Hot runner structure is a kind of component in injection mold, it connects injection molding machine nozzle and mold cavity, ensure that molten plastic can evenly, continuously flow into cavity, simultaneously reduce the cooling and shrinkage of plastic, improve the dimensional accuracy and quality of product.Hot runner is kept molten state by the method of heating.

[0003] For the related technology in the above, the defect of the existing hot runner is that the existing hot runner plate only keeps molten state to the plastic that flows in, but the temperature of material will reduce when material is introduced into hot nozzle, so that material cannot keep molten state, leading to part of material adhering to the inner wall of hot nozzle, therefore, the utility model provides a multi -cavity hot runner structure. UTILITY MODEL CONTENT

[0004] The purpose of the present application is to provide a kind of multi -cavity hot runner structure, to solve the problem that the existing hot runner plate only keeps molten state to the plastic that flows in in the above background art, but the temperature of material will reduce when material is introduced into hot nozzle, so that material cannot keep molten state, leading to part of material adhering to the inner wall of hot nozzle.

[0005] To achieve the above object, the present application provides the following technical scheme: a kind of multi -cavity hot runner structure, including shunt plate main body, shunt pipe is provided in the shunt plate main body, the outer side of the shunt plate main body is fixedly connected with multiple hot nozzles connected with the shunt pipe, the outer side of the shunt plate main body is provided with heating assembly;The heating assembly includes the heating end fixedly connected with the outer side of the shunt plate main body, one end of the heating end is fixedly connected with heat-conducting wire, the outer side of the heat-conducting wire is fixedly connected with multiple heating wires matched with the hot nozzle, recessed groove matched with the heat-conducting wire is set in the outer side of the hot nozzle.

[0006] Preferably, the outer side of the shunt plate main body is provided with heat preservation assembly;The heat preservation assembly includes multiple heat preservation covers arranged below the shunt plate main body, and the heat preservation cover is arranged on the outer side of the hot nozzle.

[0007] Preferably, the connecting rod is fixedly connected between every two heat preservation covers, and the inner wall side of the heat preservation cover is provided with composite damping heat insulation cotton.

[0008] Preferably, the outer side of the shunt plate main body is fixedly connected with a fixed frame, and the fixed frame is fixedly connected with the outer side of one of the heat preservation covers.

[0009] Preferably, a recess is formed on the outer side of the shunt plate body, and an electric heating wire is arranged on the inner wall side of the recess.

[0010] Preferably, a plurality of mounting holes are formed on the outer side of the shunt plate body, and the fixing frame is made of stainless steel.

[0011] In conclusion, the technical effects and advantages of the present application are as follows:

[0012] 1. In the present application, the cooperation of the heating end, the heat-conducting wire and the heating wire can continuously heat the material in the hot nozzle, so that the material remains in a molten state and avoids the situation that the material is cooled due to low temperature and adheres to the inner wall of the hot nozzle.

[0013] 2. In the present application, the heat preservation cover can heat the hot nozzle and reduce heat loss, so that the material is heated better. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. 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.

[0015] Figure 1 Fig. 1 is a first perspective view of the structure of the present application;

[0016] Figure 2 Fig. 2 is a second perspective view of the structure of the present application;

[0017] Figure 3 Fig. 3 is a structure diagram of the shunt plate body and the recess in the present application;

[0018] Figure 4 Fig. 4 is a structure diagram of the heating end, the heat-conducting wire and the heating wire in the present application.

[0019] In the drawings: 1, shunt plate body; 2, electric heating wire; 3, mounting hole; 4, heating end; 5, fixing frame; 6, heat preservation cover; 7, connecting rod; 8, recess; 9, hot nozzle; 10, heat-conducting wire; 11, heating wire; 12, recess. DETAILED DESCRIPTION

[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0021] 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 understood in a broad sense. For example, "connected" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be direct connection, can also be indirect connection through an intermediate medium, and can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] Embodiment one: reference Figures 1-4 The multi-cavity hot runner structure shown in the figure, including the shunt plate body 1, the shunt plate body 1 is provided with a shunt pipe, the outer side of the shunt plate body 1 is fixedly connected with a plurality of hot nozzles 9 communicated with the shunt pipe, the outer side of the shunt plate body 1 is provided with a heating assembly; the heating assembly includes a heating end 4 fixedly connected with the outer side of the shunt plate body 1, one end of the heating end 4 is fixedly connected with a heat-conducting wire 10, the outer side of the heat-conducting wire 10 is fixedly connected with a plurality of heating wires 11 matched with the hot nozzles 9, the outer side of the hot nozzle 9 is provided with a recessed groove 12 matched with the heat-conducting wire 10, which is convenient for further heating when the material is discharged, so that the material remains in a molten state; the outer side of the shunt plate body 1 is provided with a heat preservation assembly; the heat preservation assembly includes a plurality of heat preservation covers 6 arranged below the shunt plate body 1, the heat preservation cover 6 is arranged outside the hot nozzle 9, reducing heat loss; the connecting rod 7 is fixedly connected between every two heat preservation covers 6, and the inner wall side of the heat preservation cover 6 is provided with a composite damping heat insulation cotton, so that the heat preservation cover 6 has good heat preservation effect.

[0023] In this embodiment, the electric heating wire 2 heats the molten material in the shunt pipe, which is discharged through the plurality of hot nozzles 9. The heater arranged outside heats through the heating end 4, the heat-conducting wire 10 and the heating wire 11, and heats the hot nozzle 9 through the heating wire 11, so that the molten material is continuously heated when introduced into the hot nozzle 9, and the material remains in a molten state, avoiding the situation that the material is cooled due to low temperature. The heat preservation cover 6 preserves the heat of the hot nozzle 9, reduces heat loss, and better heats the material.

[0024] Embodiment two: reference Figures 1-4, based on the same idea as the above embodiment one, the embodiment also proposes that the outer side of the shunt plate body 1 is fixedly connected with a fixing frame 5, the fixing frame 5 is fixedly connected with the outer side of one of the heat preservation covers 6, and the fixing frame 5 supports the heat preservation cover 6; the outer side of the shunt plate body 1 is provided with a recess 8, and the inner wall side of the recess 8 is provided with an electric heating wire 2; the outer side of the shunt plate body 1 is provided with a plurality of mounting holes 3, and the fixing frame 5 is made of a stainless steel frame.

[0025] In the embodiment, the fixing frame 5 is made of a stainless steel frame, thereby prolonging the service life of the fixing frame 5.

[0026] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A multi-cavity hot runner structure, comprising a manifold body (1), characterized in that: The main body (1) of the flow divider is provided with a flow divider pipe, and a plurality of hot nozzles (9) connected to the flow divider pipe are fixedly connected to the outside of the main body (1). A heating component is provided on the outside of the main body (1). The heating assembly includes a heating end (4) fixedly connected to the outside of the main body (1) of the diverter plate. A heat-conducting wire (10) is fixedly connected to one end of the heating end (4). A plurality of heating wires (11) adapted to the hot nozzle (9) are fixedly connected to the outside of the heat-conducting wire (10). A recessed groove (12) adapted to the heat-conducting wire (10) is opened on the outside of the hot nozzle (9).

2. The multi-cavity heat flow channel structure according to claim 1, characterized in that: A heat insulation component is provided on the outside of the main body (1) of the flow divider; the heat insulation component includes a plurality of heat insulation covers (6) disposed below the main body (1) of the flow divider, and the heat insulation covers (6) are disposed on the outside of the hot nozzle (9).

3. The multi-cavity heat flow channel structure according to claim 2, characterized in that: A connecting rod (7) is fixedly connected between each pair of the heat insulation covers (6), and composite damping heat insulation cotton is provided on the inner side of the heat insulation cover (6).

4. The multi-cavity heat flow channel structure according to claim 3, characterized in that: A fixing frame (5) is fixedly connected to the outside of the main body (1) of the diversion plate, and the fixing frame (5) is fixedly connected to the outside of one of the heat insulation covers (6).

5. The multi-cavity heat flow channel structure according to claim 4, characterized in that: The main body (1) of the diverter plate has a groove (8) on its outer side, and an electric heating wire (2) is provided on the inner wall side of the groove (8).

6. The multi-cavity heat flow channel structure according to claim 4, characterized in that: The main body (1) of the diverter plate has multiple mounting holes (3) on its outer side, and the fixing frame (5) is made of stainless steel.

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