Hot runner mold hot nozzle capable of uniformly heating

Abstract

The utility model provides a hot runner mold hot nozzle capable of uniformly heating, which comprises a connecting part, a transfer part and a nozzle, and the connecting part is used for connecting an upper external component and receiving a product raw material; the nozzle is used for outputting a product raw material; the transfer part is divided into three layers in the horizontal direction, and the heating temperatures of all the layers are different according to product requirements; according to the utility model, the transfer part is divided into multiple layers for segmented heating, so that the higher temperature control precision is realized, the requirements of different products and materials can be met, the energy waste caused by uneven heating can be reduced, the energy efficiency can be improved by only heating the area needing to be heated, the overall uniform heating is further facilitated, and the production efficiency is improved. The temperature gradient of the mold hot nozzle can be effectively managed, and the heating elements can be reasonably arranged, so that the phenomenon of local overheating or supercooling is reduced, it can be ensured that each area obtains appropriate heat, and the overall heating uniformity is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the mould heat management field, specifically, relate to a kind of hot runner mould hot nozzle of uniform heating. BACKGROUND

[0002] Mould heat management technology, in injection molding process etc., to ensure that mould has reasonable temperature distribution and thermal state in processing process, through a series of design and control measures to effectively manage the temperature of mould.

[0003] The existing mould heat management technology mainly heats the product raw material inside the hot nozzle, to ensure that the product raw material has good fluidity, and the product raw material is filled into the mould cavity, but the internal structure of the existing hot nozzle may have local temperature too high or too low due to design or material defects, which affects the quality of finished products, and causes waste of resources due to uneven heating, and cannot adapt to different product and material requirements.

[0004] Therefore, it is urgent to replace the existing mould heat management technology by layering the hot nozzle to solve the problems of how to avoid resource waste, reduce production efficiency and product quality due to uneven heating, and how to adapt to different product and material requirements. SUMMARY

[0005] Therefore, the utility model provides a kind of hot runner mould hot nozzle of uniform heating, to solve the problems of how to avoid resource waste, reduce production efficiency and product quality due to uneven heating, and how to adapt to different product and material requirements.

[0006] In one aspect, the utility model provides a kind of hot runner mould hot nozzle of uniform heating, comprising:

[0007] Connecting portion is used to connect upper external component, and receives product raw material;

[0008] Transfer portion is arranged below the connecting portion, and is divided into three layers along horizontal direction, and is used to heat and transport product raw material;

[0009] Nozzle is arranged at the bottom of transfer portion along vertical direction, and is used to output product raw material;

[0010] Heating plate is arranged on both sides of first transport cavity and one side of second transport cavity and one side of third transport cavity, and is used to heat product raw material;

[0011] Intelligent controller is arranged in the interior of first transport cavity, second transport cavity and third transport cavity, and is used to control the working power and time and opening and closing of heating plate.

[0012] Further, the connecting portion comprises:

[0013] A connecting protrusion is arranged on the top surface of the connecting part for connecting external components;

[0014] A connecting cavity is arranged inside the connecting part for storing product raw materials;

[0015] An inlet is arranged on the top surface of the connecting part for inputting product raw materials.

[0016] Further, the transfer part comprises:

[0017] A first pipe is arranged inside the transfer part for heating and conveying product raw materials;

[0018] A second pipe is arranged on one side of the first pipe for heating and conveying product raw materials;

[0019] A third pipe is arranged on the other side of the first pipe for heating and conveying product raw materials.

[0020] Further, the first pipe is internally provided with a first conveying cavity for conveying product raw materials;

[0021] The second pipe is internally provided with a second conveying cavity for conveying product raw materials;

[0022] The third pipe is internally provided with a third conveying cavity for conveying product raw materials.

[0023] Further, the top surface of the first pipe is provided with a first liquid inlet cavity for connecting the connecting cavity and the first conveying cavity and inputting product raw materials into the first conveying cavity;

[0024] The top surface of the second pipe is provided with a second liquid inlet cavity for connecting the connecting cavity and the second conveying cavity and inputting product raw materials into the second conveying cavity;

[0025] The top surface of the third pipe is provided with a third liquid inlet cavity for connecting the connecting cavity and the third conveying cavity and inputting product raw materials into the third conveying cavity.

[0026] Further, the bottom of the first pipe is provided with a first liquid outlet cavity for connecting the first conveying cavity and the nozzle and inputting product raw materials into the nozzle;

[0027] The bottom of the side of the second pipe close to the first pipe is provided with a second liquid outlet cavity for connecting the second conveying cavity and the nozzle and inputting product raw materials into the nozzle;

[0028] The bottom of the side of the third pipe close to the first pipe is provided with a third liquid outlet cavity for connecting the third conveying cavity and the nozzle and inputting product raw materials into the nozzle.

[0029] Further comprising:

[0030] A heat preservation layer is arranged on the outer side of the first conveying cavity, the second conveying cavity and the third conveying cavity, and is used for heat preservation and insulation.

[0031] Further comprising:

[0032] The intelligent controller is internally provided with a temperature sensor, which is used for monitoring the temperature of the product raw materials in the first conveying cavity, the second conveying cavity and the third conveying cavity.

[0033] Further comprising,

[0034] An intelligent switch is arranged on the top and bottom of the transfer part and is in sliding connection with one side of the first liquid inlet cavity, the first liquid outlet cavity, the second liquid inlet cavity, the second liquid outlet cavity, the third liquid inlet cavity and the third liquid outlet cavity.

[0035] The intelligent controller controls the opening and closing of the intelligent switch.

[0036] Further, the nozzle comprises:

[0037] A spraying cavity is arranged on the upper part of the nozzle and is used for storing and conveying product raw materials.

[0038] A spraying port is arranged on the lower part of the nozzle and is used for communicating with the lower external components and outputting product raw materials.

[0039] The nozzle is externally provided with the heat preservation layer, which is used for heat preservation of the product raw materials in the spraying cavity.

[0040] Compared with the prior art, the beneficial effects of the utility model lie in that the nozzle is designed in layers and is heated in sections, higher temperature control precision is realized, different products and materials can be adapted to, energy waste caused by uneven heating can be reduced, energy efficiency can be improved by heating only the areas that need to be heated, which is helpful to overall uniform heating, the temperature gradient of the mold hot nozzle can be effectively managed, the heating elements can be reasonably arranged, local overheating or overcooling can be reduced, each area can be ensured to receive appropriate heat, and the overall heating uniformity is improved. BRIEF DESCRIPTION OF DRAWINGS

[0041] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The detailed description is made with reference to the accompanying drawings. The drawings are for purposes of illustration only and are not intended to be limiting. The same reference numbers in different drawings identify the same components. In the drawings:

[0042] Fig. 1 A front view of the hot nozzle of the hot runner mold with uniform heating provided by the embodiment of the utility model;

[0043] Fig. 2 A top view of the hot nozzle of the hot runner mold with uniform heating provided by the embodiment of the utility model;

[0044] Fig. 3 A sectional view of the hot nozzle of the hot runner mold with uniform heating provided by the embodiment of the utility model;

[0045] In the figure: 100 - connecting part; 101 - connecting convex; 102 - connecting cavity; 103 - feed inlet; 200 - first pipeline; 201 - first conveying cavity; 202 - first liquid inlet cavity; 203 - first liquid outlet cavity; 300 - second pipeline; 301 - second conveying cavity; 302 - second liquid inlet cavity; 303 - second liquid outlet cavity; 400 - third pipeline; 401 - third conveying cavity; 402 - third liquid inlet cavity; 403 - third liquid outlet cavity; 500 - heating plate; 600 - heat preservation layer; 700 - intelligent switch; 800 - intelligent controller; 900 - nozzle; 901 - injection cavity; 902 - injection port. DETAILED DESCRIPTION

[0046] The specific embodiments of the utility model will be further described in detail below in combination with the drawings and embodiments. The following embodiments are used to illustrate the utility model, but not to limit the scope of the utility model.

[0047] In the description of the present application, it is understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application.

[0048] The terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0049] In the description of the present application, it should be noted that unless specifically defined and limited otherwise, the terms "mounting", "connected", "connection" should be broadly understood, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside 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.

[0050] Referring to Figs. 1-3 As shown in the embodiment, a hot runner mold nozzle with uniform heating is provided, which comprises a connecting part 100, a connecting protrusion 101, a connecting cavity 102, an inlet 103, a first pipe 200, a first conveying cavity 201, a first liquid inlet cavity 202, a first liquid outlet cavity 203, a second pipe 300, a second conveying cavity 301, a second liquid inlet cavity 302, a second liquid outlet cavity 303, a third pipe 400, a third conveying cavity 401, a third liquid inlet cavity 402, a third liquid outlet cavity 403, a heating plate 500, a heat preservation layer 600, an intelligent switch 700, an intelligent controller 800, a nozzle 900, a spraying cavity 901, and a spraying port 902.

[0051] Specifically, the connecting part 100 is located at the top of the nozzle, used for connecting the hot runner assembly, and receives the product raw material conveyed from the hot runner pipe through the inlet 103. The connecting protrusion 101 is arranged on the top surface of the connecting part 100, used for connecting the hot runner pipe. The connecting cavity 102 is arranged inside the connecting part 100, used for storing the product raw material and conveying the product raw material into the conveying pipe through the plurality of liquid inlet cavities.

[0052] In the embodiment, preferably, the material of the connecting part 100 is aluminum silicate fiber, that is, ceramic fiber. The ceramic fiber has good heat preservation and heat insulation effect and hard texture, which can effectively preserve the product raw material conveyed into the connecting cavity 102 to ensure a certain fluidity, so as to ensure that the product raw material can flow into the conveying pipe below. The hard texture can make the connecting part 100 stably connected with the hot runner assembly and not easy to be damaged.

[0053] It can be understood that the material of the connecting part 100 can be any material with hard texture and good heat preservation and heat insulation effect, and is not limited to ceramic fiber.

[0054] Specifically, the transfer part 200 is arranged below the connecting part 100 and is divided into three layers in the horizontal direction, used for heating and conveying the product raw material. The transfer part is internally provided with the first pipe 200, the second pipe 300 and the third pipe 400, which are all used for heating and conveying the product raw material.

[0055] Specifically, the first pipeline 200 is internally provided with a first conveying cavity 201, the second pipeline 300 is internally provided with a second conveying cavity 301, and the third pipeline is internally provided with a third conveying cavity 401, and the three conveying cavities are used for conveying the heated product raw materials.

[0056] Specifically, the first pipeline 100 is provided with a first liquid inlet cavity 202 on the top surface, which is used for connecting the connecting cavity 102 and the first conveying cavity 202, and inputting the product raw materials into the first conveying cavity 202; the second pipeline 300 is provided with a second liquid inlet cavity 302 on the top surface, which is used for connecting the connecting cavity 102 and the second conveying cavity 302, and inputting the product raw materials into the second conveying cavity 302; and the third pipeline 400 is provided with a third liquid inlet cavity 402 on the top surface, which is used for connecting the connecting cavity 102 and the third conveying cavity 401, and inputting the product raw materials into the third conveying cavity 401.

[0057] Specifically, the first pipeline 200 is provided with a first liquid outlet cavity 203 at the bottom, which is used for connecting the first conveying cavity 201 and the nozzle 900, and inputting the product raw materials into the nozzle 900; the second pipeline 300 is provided with a second liquid outlet cavity 303 at the bottom near the side of the first pipeline 200, which is used for connecting the second conveying cavity 301 and the nozzle, and inputting the product raw materials into the nozzle 900; and the third pipeline 400 is provided with a third liquid outlet cavity 403 at the bottom near the side of the first pipeline 200, which is used for connecting the third conveying cavity 401 and the nozzle 900, and inputting the product raw materials into the nozzle 900.

[0058] Specifically, the heating plate 500 is arranged on both sides of the first conveying cavity 201 and one side of the second conveying cavity 301 and one side of the third conveying cavity 401, which is used for heating the product raw materials.

[0059] It can be understood that the temperatures of the product raw materials in the first conveying cavity 201, the second conveying cavity 301 and the third conveying cavity 401 are even different, and are specifically set according to the needs of the product, and in this embodiment, preferably, the three layers are divided into a melting zone with the highest temperature, a holding zone with a medium temperature to keep the liquid state of the product raw materials, and a flowing zone with a slightly lower temperature, which can better fill the mold cavity when the product raw materials are injected into the mold cavity.

[0060] It can be understood that the segmented heating realizes higher temperature control accuracy, can adapt to the needs of different products and materials, can reduce energy waste caused by uneven heating, can improve energy efficiency by heating only the areas that need to be heated, can help overall uniform heating, can effectively manage the temperature gradient of the mold hot nozzle, can reasonably arrange the heating elements, thereby reducing the phenomenon of local overheating or overcooling, and can ensure that each area receives appropriate heat, thereby improving the overall heating uniformity.

[0061] Specifically, the heat preservation layer 600 is arranged on the outer side of the first conveying cavity 201, the second conveying cavity 301 and the third conveying cavity 401, for heat preservation and insulation.

[0062] In the embodiment, preferably, the material of the heat preservation layer is ceramic fiber material, which has excellent high-temperature resistance (can withstand up to 1260°C or above) and good heat insulation performance.

[0063] It can be understood that, in addition to heat preservation and insulation of the inside of the nozzle, the heat preservation layer arranged on the outer side of the second conveying cavity 301 and the third conveying cavity 401 can also protect other components at the joint of the nozzle, thereby increasing the service life of the mold.

[0064] Specifically, the intelligent controller 800 is arranged inside the first conveying cavity 201, the second conveying cavity 301 and the third conveying cavity 401, for controlling the working power and time of the heating plate 500 and turning on and off; the intelligent controller 800 is internally provided with a temperature sensor, which is used for monitoring the temperature of the product raw material in the first conveying cavity 201, the second conveying cavity 301 and the third conveying cavity 401.

[0065] Specifically, the intelligent switch 700 is arranged on the top and bottom of the transfer part and is slidably connected to one side of the first liquid inlet cavity 202, the first liquid outlet cavity 203, the second liquid inlet cavity 302, the second liquid outlet cavity 303, the third liquid inlet cavity 402 and the third liquid outlet cavity 403.

[0066] Specifically, the first conveying cavity 201, the second conveying cavity 301 and the third conveying cavity 401 are all provided with a heating temperature in advance, which is different according to actual needs, when the product raw material enters the inside of the transfer part 100, the intelligent controller controls the intelligent switch on the first liquid inlet cavity 202, the second liquid inlet cavity 302 and the third liquid inlet cavity 402 to turn on, and the product raw material is conveyed into the first conveying cavity 201, the second conveying cavity 301 and the third conveying cavity 401, the intelligent controller controls the heating plate to heat, and the sensor feeds back the temperature to the intelligent controller 800, when the heating block is completed, the intelligent controller 800 reduces the power of the heating plate 500, and when the set temperature is reached, the intelligent controller turns off the heating plate 500.

[0067] Specifically, the intelligent controller 800 controls the intelligent switch 700 on the first liquid outlet cavity 203, the second liquid outlet cavity 303 and the third liquid outlet cavity 403 to turn on or off according to the pre-set order according to the needs of the product, and controls the opening time.

[0068] Specifically, the nozzle 900 is arranged below the transfer portion in a vertical direction, used for injecting product raw materials into the cavity, the injection cavity 901 is arranged on the upper portion of the nozzle 900, used for storing and conveying the product raw materials, the injection port 902 is arranged on the lower portion of the nozzle 900, used for communicating with the cavity below and outputting the product raw materials, and the heat preservation layer 600 is arranged on the outer side of the nozzle 900, used for heat preservation of the product raw materials in the injection cavity 901.

[0069] Those skilled in the art can understand that the above description is only preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, and for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A heated uniform hot runner mold nozzle characterized by, The utility model relates to a kind of hot runner nozzle, including: Connecting portion for connecting upper external components, and receiving product raw materials; Transfer portion, which is arranged below the connecting portion and is divided into three layers in the horizontal direction, is used for heating and conveying product raw materials; Nozzle, which is arranged at the bottom of the transfer portion in the vertical direction, is used for outputting product raw materials; Heating plate, which is arranged on both sides of the first conveying cavity and one side of the second conveying cavity and one side of the third conveying cavity, is used for heating product raw materials; Intelligent controller, which is arranged inside the first conveying cavity, the second conveying cavity and the third conveying cavity, is used for controlling the working power and time of the heating plate and turning on and off.

2. A heated uniform hot runner mold nozzle according to claim 1, wherein, The connecting portion includes: Connecting protrusion, which is arranged on the top surface of the connecting portion, is used for connecting external components; Connecting cavity, which is opened in the inside of the connecting portion, is used for storing product raw materials; Feed inlet, which is opened on the top surface of the connecting portion, is used for inputting product raw materials.

3. A heated uniform hot runner mold nozzle according to claim 2, wherein, The transfer portion includes: First pipeline, which is arranged inside the transfer portion, is used for heating and conveying product raw materials; Second pipeline, which is arranged on one side of the first pipeline, is used for heating and conveying product raw materials; Third pipeline, which is arranged on the other side of the first pipeline, is used for heating and conveying product raw materials.

4. The hot nozzle of the hot runner mold according to claim 3, wherein The first conveying cavity is opened in the inside of the first pipeline for conveying product raw materials; The second conveying cavity is opened in the inside of the second pipeline for conveying product raw materials; The third conveying cavity is opened in the inside of the third pipeline for conveying product raw materials.

5. A heated uniform flow hot nozzle for a hot runner mold according to claim 4, wherein The first feed cavity is opened on the top surface of the first pipeline for connecting the connecting cavity and the first conveying cavity and inputting product raw materials into the first conveying cavity; The second feed cavity is opened on the top surface of the second pipeline for connecting the connecting cavity and the second conveying cavity and inputting product raw materials into the second conveying cavity; The third feed cavity is opened on the top surface of the third pipeline for connecting the connecting cavity and the third conveying cavity and inputting product raw materials into the third conveying cavity.

6. The hot nozzle of the hot runner mold according to claim 5, wherein The first discharge cavity is opened at the bottom of the first pipeline for connecting the first conveying cavity and the nozzle and inputting product raw materials into the nozzle; The second discharge cavity is opened at the bottom of the side of the second pipeline close to the first pipeline for connecting the second conveying cavity and the nozzle and inputting product raw materials into the nozzle; The third discharge cavity is opened at the bottom of the side of the third pipeline close to the first pipeline for connecting the third conveying cavity and the nozzle and inputting product raw materials into the nozzle.

7. A heated uniform flow hot nozzle for a hot runner mold according to claim 6, wherein Further including: Thermal insulation layer, which is arranged on the outside of the first conveying cavity, the second conveying cavity and the third conveying cavity, is used for thermal insulation.

8. A heated uniform flow hot nozzle for a hot runner mold according to claim 7, wherein Further including: The intelligent controller is internally provided with a temperature sensor, and the temperature sensor is used for monitoring the temperature of product raw materials in the first conveying cavity, the second conveying cavity and the third conveying cavity.

9. A heated uniform flow hot nozzle for a hot runner mold according to claim 8, wherein, Further including, Intelligent switch, set at the top and bottom of the transfer part, and one side of the first liquid inlet cavity, the first liquid outlet cavity, the second liquid inlet cavity, the second liquid outlet cavity, the third liquid inlet cavity and the third liquid outlet cavity are connected with the sliding connection; The intelligent controller controls the opening and closing of the intelligent switch.

10. The hot nozzle of the hot runner mold according to claim 9, wherein, The nozzle comprises: A spray cavity is arranged at the upper part of the nozzle for storing and conveying product raw materials; A spray port is arranged at the lower part of the nozzle for communicating with the external components below and outputting product raw materials; The nozzle is provided with a heat preservation layer on the outside, which is used for heat preservation of the product raw materials in the spray cavity.

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