CN114030133B - Insert structure and die - Google Patents

Insert structure and die Download PDF

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Publication number
CN114030133B
CN114030133B CN202010929696.1A CN202010929696A CN114030133B CN 114030133 B CN114030133 B CN 114030133B CN 202010929696 A CN202010929696 A CN 202010929696A CN 114030133 B CN114030133 B CN 114030133B
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insert
section
middle section
embedded
liquid storage
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CN114030133A (en
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张磊
刘国荣
都明龙
钱雪立
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Qingdao Haier Molds Co Ltd
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Qingdao Haier Molds Co Ltd
Haier Caos IoT Ecological Technology Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/2602Mould construction elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/72Heating or cooling
    • B29C45/73Heating or cooling of the mould
    • B29C45/7312Construction of heating or cooling fluid flow channels

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

本发明公开了一种镶块结构及模具,镶块结构包括第一镶块、第二镶块和第三镶块,包括由外向内依次嵌套设置的第一镶块、第二镶块和第三镶块,第一镶块和第三镶块材质的硬度大于第二镶块材质的硬度,第一镶块和第三镶块材质的热传导率小于第二镶块材质的热传导率。通过将热传导率较大的第二镶块嵌入硬度较大的第一镶块内,且将硬度较大的第三镶块嵌入第二镶块内,使得该镶块结构集成了硬度大、且热传导率大的两大优点,既保证了镶块结构具有较大的硬度,又保证了镶块结构具有较大的热传导率。

The invention discloses an insert structure and a mold. The insert structure includes a first insert, a second insert and a third insert. The first insert, the second insert and the third insert are nested in sequence from the outside to the inside. In the third insert, the hardness of the material of the first insert and the third insert is greater than the hardness of the material of the second insert, and the thermal conductivity of the material of the first insert and the third insert is smaller than the thermal conductivity of the material of the second insert. By embedding the second insert with greater thermal conductivity into the first insert with greater hardness, and embedding the third insert with greater hardness into the second insert, the insert structure integrates high hardness and The two major advantages of high thermal conductivity not only ensure that the insert structure has greater hardness, but also ensure that the insert structure has greater thermal conductivity.

Description

一种镶块结构及模具A kind of insert structure and mold

技术领域Technical field

本发明属于注塑模具技术领域,具体地说,涉及一种模具,尤其涉及一种设于模具的壁厚过渡区的镶块结构。The present invention belongs to the technical field of injection molds. Specifically, it relates to a mold, and in particular, to an insert structure located in the wall thickness transition zone of the mold.

背景技术Background technique

现有的模具中具有较多的壁厚过渡区,壁厚过渡区形成在模具的壁厚厚区与壁厚薄区之间,其中,有的模具的壁厚厚区局部温度过高,而有的模具的壁厚薄区局部温度相对较低,使得壁厚厚区和壁厚薄区之间存在较大的温度差,导致壁厚过渡区成为了热量集中、但不好冷却的热点区域。Existing molds have many wall thickness transition zones. The wall thickness transition zone is formed between the thick wall zone and the thin wall zone of the mold. Among them, the local temperature of the thick wall zone of some molds is too high, and some The local temperature of the thin-walled area of the mold is relatively low, resulting in a large temperature difference between the thick-walled area and the thin-walled area, causing the wall-thickness transition area to become a hotspot area where heat is concentrated but not easy to cool.

目前,通过在壁厚过渡区设置镶块,在镶块内设冷却结构实现对壁厚过渡区域的冷却,使得模具在注塑完成后其温度能够快速冷却达到技术要求的温度;现有的镶块材质一般采用钢材或铜合金,虽然铜合金的热传导效率相对钢材较高,能够比较高效地传导热量,但是铜合金的硬度相对钢材较低,只能在其上设较短且较简单的冷却水道,甚至不能在其上设冷却水道;虽然钢材的硬度较大,能够在其上设较长且较复杂的冷却水道,但是钢材的热传导率较低,不能高效地传导热量。At present, the wall thickness transition area is cooled by arranging inserts in the wall thickness transition area and setting up a cooling structure inside the insert, so that the temperature of the mold can be quickly cooled to the temperature required by the technology after the injection molding is completed; the existing inserts The material is generally steel or copper alloy. Although copper alloy has a higher heat conduction efficiency than steel and can conduct heat more efficiently, the hardness of copper alloy is lower than steel, so only short and simple cooling water channels can be installed on it. , even cooling water channels cannot be set up on it; although the hardness of steel is relatively large, long and complex cooling water channels can be set up on it, but the thermal conductivity of steel is low and cannot conduct heat efficiently.

发明内容Contents of the invention

本发明要解决的技术问题在于克服现有技术中的不足,提供一种镶块结构及模具,以达到镶块结构具有较大的硬度的同时,具有较大的热传导率的目的。The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art and provide an insert structure and a mold, so as to achieve the purpose of having a greater hardness and a greater thermal conductivity of the insert structure.

为解决上述技术问题,本发明采用技术方案的基本构思是:In order to solve the above technical problems, the basic concept of the technical solution adopted by the present invention is:

本发明提供一种镶块结构,包括由外向内依次嵌套设置的第一镶块、第二镶块和第三镶块,第一镶块和第三镶块材质的硬度大于第二镶块材质的硬度,第一镶块和第三镶块材质的热传导率小于第二镶块材质的热传导率。The invention provides an insert structure, which includes a first insert, a second insert and a third insert that are nested sequentially from the outside to the inside. The material of the first insert and the third insert has a greater hardness than the second insert. The hardness of the material, the thermal conductivity of the first insert material and the third insert material is less than the thermal conductivity of the second insert material.

进一步地,第二镶块的部分嵌套于第一镶块内,第二镶块处于第一镶块外部的裸露部内嵌设有第三镶块。Further, part of the second insert is nested in the first insert, and a third insert is embedded in the exposed portion of the second insert outside the first insert.

进一步地,第二镶块呈柱状,柱状第二镶块沿轴向依次分为储液段、中间段和散热段,储液段和中间段嵌设于第一镶块内,第三镶块嵌设于中间段和散热段内;Further, the second insert is columnar, and the columnar second insert is divided into a liquid storage section, an intermediate section, and a heat dissipation section along the axial direction. The liquid storage section and the intermediate section are embedded in the first insert, and the third insert is Embedded in the middle section and heat dissipation section;

优选的,储液段、中间段和散热段的径向尺寸依次递减。Preferably, the radial dimensions of the liquid storage section, the middle section and the heat dissipation section decrease in sequence.

进一步地,第一镶块呈内部中空、与第二镶块同轴设置的筒状,第二镶块的储液段和中间段处于筒状第一镶块的内部、且与筒状第一镶块的内壁相贴合接触。Further, the first insert is in the shape of a cylinder with a hollow interior and is arranged coaxially with the second insert. The liquid storage section and the middle section of the second insert are located inside the first cylindrical insert and are in line with the first cylindrical insert. The inner walls of the inserts are in close contact with each other.

进一步地,第三镶块呈与第二镶块同轴设置的柱状,第三镶块的轴向长度小于第二镶块的中间段和散热段的长度之和;第二镶块内设有沿轴向延伸的、处于中间段和散热段中心处的镶嵌槽,第三镶块全部嵌设于镶嵌槽内,第三镶块的外周侧壁与镶嵌槽内壁相贴合接触。Further, the third insert is in the shape of a column coaxially arranged with the second insert, and the axial length of the third insert is less than the sum of the lengths of the middle section and the heat dissipation section of the second insert; there is a In the inlaid groove extending along the axial direction and located at the center of the middle section and the heat dissipation section, the third inlaid block is all embedded in the inlaid groove, and the outer peripheral side wall of the third inlaid block is in close contact with the inner wall of the inlaid groove.

进一步地,第一镶块、第二镶块和第三镶块在第二镶块的轴向方向上具有三者重合部分,三者重合部分处设有径向依次贯穿、将三者固定连接的连接件。Furthermore, the first insert block, the second insert block and the third insert block have overlapping portions in the axial direction of the second insert block, and the overlapping portions of the three insert blocks are provided with radial penetrations in sequence to fixedly connect the three insert blocks. connectors.

进一步地,第二镶块的中间段上设有安装孔,第一镶块和第三镶块上分别设有与安装孔相对应同轴开设的辅助安装孔;固定件包括销钉,销钉沿第二镶块的径向依次穿过各安装孔。Further, the middle section of the second insert is provided with a mounting hole, and the first insert and the third insert are respectively provided with auxiliary mounting holes coaxially corresponding to the mounting holes; the fixing member includes a pin, and the pin is arranged along the first and third inserts. The radial directions of the two insert blocks pass through each mounting hole in sequence.

进一步地,第二镶块的内部设有供冷却液流经的冷却流道。Further, a cooling flow channel for cooling liquid to flow through is provided inside the second insert.

进一步地,第二镶块的一端部为嵌设于第一镶块内的储液段,储液段内设有空腔,空腔沿柱状第二镶块的轴向沿伸,空腔处于第二镶块端部的一侧敞口设置、相对另一侧经第二镶块的中间段封闭,盛放有冷却液的空腔构成冷却流道。Further, one end of the second insert is a liquid storage section embedded in the first insert, and a cavity is provided in the liquid storage section. The cavity extends along the axial direction of the columnar second insert, and the cavity is located One side of the end of the second insert is open, and the other end is closed by the middle section of the second insert. The cavity containing the cooling liquid forms a cooling channel.

本发明还提供一种模具,模具上设有壁厚过渡区,壁厚过渡区上设有上述技术方案提供的镶块结构。The invention also provides a mold. The mold is provided with a wall thickness transition zone, and the wall thickness transition zone is provided with the insert structure provided by the above technical solution.

采用上述技术方案后,本发明与现有技术相比具有以下有益效果。After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art.

1.将热传导率较大的第二镶块嵌入硬度较大的第一镶块内,且将硬度较大的第三镶块嵌入第二镶块内,硬度较大的第一镶块和第三镶块对热传导率较大的第二镶块具有支撑的作用,使得该镶块结构集成了硬度较大和热传导率较大的两个优点,保证了镶块结构具有一定的硬度,又保证了镶块结构具有一定的热传导效率,从而提高了镶块结构对模具的冷却效率。1. Embed the second insert with greater thermal conductivity into the first insert with greater hardness, and embed the third insert with greater hardness into the second insert. The first insert with greater hardness and the third insert are The three inserts have a supporting effect on the second insert with larger thermal conductivity, so that the insert structure integrates the two advantages of greater hardness and greater thermal conductivity, ensuring that the insert structure has a certain hardness and ensures The insert structure has a certain heat conduction efficiency, thereby improving the cooling efficiency of the mold by the insert structure.

2.在热传导率较大的第二镶块的储液段上设冷却流道,且热传导率较大的第二镶块的储液段嵌入硬度较大的第一镶块部上,第一镶块部对第二镶块的储液段进行支撑,冷却流道对第二镶块的储液段接触冷却,提高冷却流道和第二镶块的储液段之间的交换效率,从而提高镶块结构对模具的冷却效率。2. A cooling flow channel is provided on the liquid storage section of the second insert with greater thermal conductivity, and the liquid storage section of the second insert with greater thermal conductivity is embedded in the first insert with greater hardness. The insert part supports the liquid storage section of the second insert, and the cooling flow channel contacts and cools the liquid storage section of the second insert, thereby improving the exchange efficiency between the cooling flow channel and the liquid storage section of the second insert, thereby Improve the cooling efficiency of the mold by the insert structure.

下面结合附图对本发明的具体实施方式作进一步详细的描述。Specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

附图说明Description of the drawings

附图作为本发明的一部分,用来提供对本发明的进一步的理解,本发明的示意性实施例及其说明用于解释本发明,但不构成对本发明的不当限定。显然,下面描述中的附图仅仅是一些实施例,对于本领域普通技术人员来说,在不付出创造性劳动的前提下,还可以根据这些附图获得其他附图。The drawings, as part of the present invention, are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation of the present invention. Obviously, the drawings in the following description are only some embodiments. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

图1是本发明实施例提供的镶块结构的结构示意图;Figure 1 is a schematic structural diagram of an insert structure provided by an embodiment of the present invention;

图2是本发明实施例提供的镶块结构的剖面图。Figure 2 is a cross-sectional view of an insert structure provided by an embodiment of the present invention.

图中:1-第一镶块;11-通道;111-第一通道段;112-第二通道段;12-内台阶;13-第一镶块部;14-第二镶块部;2-第二镶块;21-外台阶;22-储液段;221-空腔;23-中间段;24-散热段;3-第三镶块;4-连接件;41-销钉;5-冷却流道。In the figure: 1-first insert; 11-channel; 111-first channel section; 112-second channel section; 12-inner step; 13-first insert part; 14-second insert part; 2 -The second insert; 21-outer step; 22-liquid storage section; 221-cavity; 23-middle section; 24-heat dissipation section; 3-third insert; 4-connector; 41-pin; 5- Cooling channels.

需要说明的是,这些附图和文字描述并不旨在以任何方式限制本发明的构思范围,而是通过参考特定实施例为本领域技术人员说明本发明的概念。It should be noted that these drawings and text descriptions are not intended to limit the scope of the invention in any way, but are intended to illustrate the concept of the invention for those skilled in the art by referring to specific embodiments.

具体实施方式Detailed ways

为使本发明实施例的目的、技术方案和优点更加清楚,下面将结合本发明实施例中的附图,对实施例中的技术方案进行清楚、完整地描述,以下实施例用于说明本发明,但不用来限制本发明的范围。In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following examples are used to illustrate the present invention. , but are not used to limit the scope of the present invention.

在本发明的描述中,需要说明的是,术语“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本发明的限制。In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limitations of the invention.

在本发明的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本发明中的具体含义。In the description of the present invention, it should be noted that, unless otherwise clearly stated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. Connection, or integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

如图1和图2所示,本发明提供一种镶块结构,包括由外向内依次嵌套设置的第一镶块1、第二镶块2和第三镶块3,第一镶块1和第三镶块3材质的硬度大于第二镶块2材质的硬度,第一镶块1和第三镶块3材质的热传导率小于第二镶块材质的热传导率。As shown in Figures 1 and 2, the present invention provides an insert structure, which includes a first insert 1, a second insert 2 and a third insert 3 that are nested sequentially from outside to inside. The first insert 1 The hardness of the material of the third insert 3 is greater than the hardness of the material of the second insert 2, and the thermal conductivity of the material of the first insert 1 and the third insert 3 is smaller than the thermal conductivity of the material of the second insert.

本发明的实施例中,将热传导率较大的第二镶块2嵌入硬度较大的第一镶块1内,且将硬度较大的第三镶块3嵌入第二镶块2内,硬度较大的第一镶块1和第三镶块3对热传导率较大的第二镶块2具有支撑的作用,使得该镶块结构集成了硬度较大和热传导率较大的两个优点,保证了镶块结构具有较大的硬度,又保证了镶块结构具有较大的热传导率;In the embodiment of the present invention, the second insert 2 with higher thermal conductivity is embedded in the first insert 1 with higher hardness, and the third insert 3 with higher hardness is embedded in the second insert 2. The larger first insert 1 and the third insert 3 have a supporting effect on the second insert 2 with greater thermal conductivity, so that the insert structure integrates the two advantages of greater hardness and greater thermal conductivity, ensuring It ensures that the insert structure has greater hardness and ensures that the insert structure has greater thermal conductivity;

需要说明的是,第一镶块1、第二镶块2和第三镶块3依次嵌套,可以理解为第二镶块2部分嵌入第一镶块1内,或者,第二镶块2全部嵌入第一镶块1内;第三镶块3部分嵌入第一镶块1内,或者,第三镶块3全部嵌入第二镶块2内;第二镶块2的材质采用铜或铜合金,第二镶块2具有较大的热传导率;第一镶块1和第三镶块3的材质采用钢材,第一镶块1和第三镶块3具有较大的硬度。It should be noted that the first insert block 1, the second insert block 2 and the third insert block 3 are nested in sequence, which can be understood as the second insert block 2 is partially embedded in the first insert block 1, or the second insert block 2 The whole of the third insert 3 is embedded in the first insert 1; the third insert 3 is partially embedded in the first insert 1, or the third insert 3 is entirely embedded in the second insert 2; the material of the second insert 2 is copper or copper. Alloy, the second insert 2 has a greater thermal conductivity; the first insert 1 and the third insert 3 are made of steel, and the first insert 1 and the third insert 3 have greater hardness.

如图1和图2所示,本发明的实施例中,第二镶块2的部分嵌套于第一镶块1内,第二镶块2处于第一镶块1外部的裸露部内嵌设有第三镶块3。As shown in Figures 1 and 2, in the embodiment of the present invention, part of the second insert 2 is nested in the first insert 1, and the second insert 2 is embedded in the exposed part outside the first insert 1. A third insert 3 is provided.

本发明的实施例中,具体地,第二镶块2具有第一部分和第二部分,第二镶块2的第一部分嵌入第一镶块1内,第二镶块2的第二部分裸露于第一镶块1外,第二镶块2的第二部分内嵌有第三镶块3;In the embodiment of the present invention, specifically, the second insert 2 has a first part and a second part, the first part of the second insert 2 is embedded in the first insert 1, and the second part of the second insert 2 is exposed Outside the first insert 1, a third insert 3 is embedded in the second part of the second insert 2;

第二镶块2的第二部分用于与模具的壁厚过渡区接触,第一镶块1对第二镶块2的第一部分进行硬性支撑,第三镶块3对第二镶块2的第二部分进行硬性支撑,使得该模块结构在具有较大的硬度的基础上,具有较大的热传导率。The second part of the second insert 2 is used to contact the wall thickness transition area of the mold. The first insert 1 provides rigid support to the first part of the second insert 2. The third insert 3 supports the second insert 2. The second part is rigidly supported, so that the module structure has greater thermal conductivity on the basis of greater hardness.

如图2所示,本发明的实施例中,第二镶块2呈柱状,柱状第二镶块沿轴向依次分为储液段22、中间段23和散热段24,储液段22和中间段23嵌设于第一镶块1内,第三镶块3嵌设于中间段23和散热段24内。As shown in Figure 2, in the embodiment of the present invention, the second insert 2 is columnar. The columnar second insert is divided into a liquid storage section 22, an intermediate section 23 and a heat dissipation section 24 along the axial direction. The liquid storage section 22 and The middle section 23 is embedded in the first insert 1 , and the third insert 3 is embedded in the middle section 23 and the heat dissipation section 24 .

本发明的实施例中,第二镶块呈柱状,沿第二镶块的轴向方向,第二镶块2分为储液段22、中间段23和散热段24,中间段23位于储液段22和散热段24之间,储液段22可用于盛放冷却液,用于对第一镶块1和第二镶块2进行冷却;散热段24用于与模具的壁厚过渡区接触,用于对模具的壁厚过渡区进行接触散热;In the embodiment of the present invention, the second insert is columnar. Along the axial direction of the second insert, the second insert 2 is divided into a liquid storage section 22, a middle section 23 and a heat dissipation section 24. The middle section 23 is located at the liquid storage section. Between the section 22 and the heat dissipation section 24, the liquid storage section 22 can be used to hold cooling liquid for cooling the first insert 1 and the second insert 2; the heat dissipation section 24 is used to contact the wall thickness transition zone of the mold. , used for contact heat dissipation in the wall thickness transition zone of the mold;

第三镶块3嵌入中间段23和散热段24内,可以理解为中间段23整段和散热段24整段都嵌有第三镶块3;中间段23中的部分嵌有第三镶块3,散热段24整段都嵌有第三镶块3;The third insert 3 is embedded in the middle section 23 and the heat dissipation section 24. It can be understood that the entire middle section 23 and the entire heat dissipation section 24 are embedded with the third insert 3; part of the middle section 23 is embedded with the third insert. 3. The entire heat dissipation section 24 is embedded with the third insert 3;

如图2所示,作为上述实施例的一种优选方案,储液段22、中间段23和散热段24的径向尺寸依次递减,减小该镶块结构的体积,占用较少的模具空间,同时,能够减少材料的使用,节约成本。As shown in Figure 2, as a preferred solution of the above embodiment, the radial dimensions of the liquid storage section 22, the middle section 23 and the heat dissipation section 24 are successively reduced, reducing the volume of the insert structure and occupying less mold space. , at the same time, it can reduce the use of materials and save costs.

如图2所示,本发明的实施例中,第一镶块1呈内部中空、与第二镶块2同轴设置的筒状,第二镶块2的储液段22和中间段23处于筒状第一镶块的内部、且与筒状第一镶块1的内壁相贴合接触。As shown in Figure 2, in the embodiment of the present invention, the first insert 1 is hollow inside and has a cylindrical shape coaxially arranged with the second insert 2. The liquid storage section 22 and the middle section 23 of the second insert 2 are in The inside of the cylindrical first insert is in close contact with the inner wall of the cylindrical first insert 1 .

本发明的实施例中,第一镶块1呈筒状,第一镶块1沿轴向设有通道11,通道11使得第一镶块1内部中空,第一镶块1包括设有储液段22的第一镶块部13和设有中间段23的第二镶块部14,储液段22与第一镶块部13的内壁相贴合接触,中间段23与第二镶块部14的内壁向贴合接触;In the embodiment of the present invention, the first insert 1 is cylindrical. The first insert 1 is provided with a channel 11 along the axial direction. The channel 11 makes the interior of the first insert 1 hollow. The first insert 1 includes a liquid storage device. The first insert part 13 of section 22 and the second insert part 14 provided with an intermediate section 23. The liquid storage section 22 is in close contact with the inner wall of the first insert part 13, and the intermediate section 23 is in contact with the second insert part 13. The inner wall of 14 is in close contact;

通道11包括设于第一镶块部13内的第一通道段111和设于第二镶块部14内的第二通道段112,储液段22设于第一通道段111内,中间段23设于第二通道段112内;第二通道段112相对第一通道段111径向收窄形,也就是第一镶块1的内壁沿轴向呈阶梯状,第一镶块在收窄处设有内台阶12,中间段23相对于储液段22径向收窄,也就是第二镶块的外壁沿轴向呈阶梯状,第二镶块2在收窄处设有外台阶21,内台阶12与外台阶21抵接,增加了第一镶块1和第二镶块2之间的装配强度。The channel 11 includes a first channel section 111 provided in the first insert part 13 and a second channel section 112 provided in the second insert part 14. The liquid storage section 22 is provided in the first channel section 111, and the middle section 23 is located in the second channel section 112; the second channel section 112 is radially narrowed relative to the first channel section 111, that is, the inner wall of the first insert 1 is stepped in the axial direction, and the first insert is narrowing There is an inner step 12, and the middle section 23 is radially narrowed relative to the liquid storage section 22, that is, the outer wall of the second insert is stepped in the axial direction, and the second insert 2 is provided with an outer step 21 at the narrowed place. , the inner step 12 is in contact with the outer step 21, which increases the assembly strength between the first insert 1 and the second insert 2.

如图2所示,本发明的实施例中,第三镶块3呈与第二镶块2同轴设置的柱状,第三镶块3的轴向长度小于第二镶块2的中间段23和散热段24的长度之和;第二镶块2内设有沿轴向延伸的、处于中间段23和散热段24中心处的镶嵌槽,第三镶块3全部嵌设于镶嵌槽内,第三镶块3的外周侧壁与镶嵌槽内壁相贴合接触。As shown in Figure 2, in the embodiment of the present invention, the third insert 3 is in the shape of a column coaxially arranged with the second insert 2, and the axial length of the third insert 3 is smaller than the middle section 23 of the second insert 2. and the length of the heat dissipation section 24; the second insert block 2 is provided with an inlay groove extending along the axial direction and located at the center of the middle section 23 and the heat dissipation section 24, and the third insert block 3 is entirely embedded in the inlay groove. The outer peripheral side wall of the third insert 3 is in close contact with the inner wall of the insert groove.

本发明的实施例中,第三镶块3的轴向长度小于第二镶块2的中间段23和散热段24的长度之和,镶嵌槽的轴向长度小于第二镶块2的中间段23和散热段24的长度之和,也就是,第二镶块2的中间段23全部嵌有第三镶块3,第二镶块2的散热段24部分嵌有第三镶块3,或者,第二镶块2的中间段23部分嵌有第三镶块3,第二镶块2的散热段24全部嵌有第三镶块3,优选地,第二镶块2的中间段23部分嵌有第三镶块3,第二镶块2的散热段24全部嵌有第三镶块3,使得第二镶块2的散热段24能够全部得到第三镶块3的硬性支撑,间接增强第二镶块2的散热段24的硬度;In the embodiment of the present invention, the axial length of the third insert 3 is less than the sum of the lengths of the middle section 23 and the heat dissipation section 24 of the second insert 2 , and the axial length of the insert groove is shorter than the middle section of the second insert 2 23 and the length of the heat dissipation section 24, that is, the middle section 23 of the second insert block 2 is entirely embedded with the third insert block 3, and the heat dissipation section 24 of the second insert block 2 is partially embedded with the third insert block 3, or , the middle section 23 of the second insert 2 is partially embedded with the third insert 3, and the entire heat dissipation section 24 of the second insert 2 is embedded with the third insert 3. Preferably, the middle section 23 of the second insert 2 is partially embedded. The third insert 3 is embedded, and the heat dissipation sections 24 of the second insert 2 are all embedded with the third insert 3, so that the heat dissipation sections 24 of the second insert 2 can all be rigidly supported by the third insert 3, indirectly enhancing the The hardness of the heat dissipation section 24 of the second insert 2;

镶嵌槽的开口在第二镶块2散热段24远离第二镶块2的中间段23的一端,第三镶块3安装时经镶嵌槽的开口嵌入第二镶块2的散热段24内,再嵌入第二镶块2的中间段23内。The opening of the inlaid groove is at one end of the heat dissipation section 24 of the second insert 2 away from the middle section 23 of the second insert 2. When the third insert 3 is installed, it is inserted into the heat dissipation section 24 of the second insert 2 through the opening of the inlaid groove. Then it is embedded in the middle section 23 of the second insert 2 .

如图2所示,本发明的实施例中,第一镶块1、第二镶块2和第三镶块3在第二镶块2的轴向方向上具有三者重合部分,三者重合部分处设有径向依次贯穿、将三者固定连接的连接件。As shown in Figure 2, in the embodiment of the present invention, the first insert 1, the second insert 2 and the third insert 3 have three overlapping portions in the axial direction of the second insert 2, and the three overlap There are connecting parts that penetrate radially in sequence to fixedly connect the three parts.

本发明的实施例中,第三镶块3经第二镶块2的散热段24嵌入第二镶块2的中间段23内,且第二镶块2的中间段23在第一镶块1内,即第二镶块2的中间段23在第二镶块部14内,使得第二镶块部14、第二镶块2的中间段23和第三镶块3在第二镶块2的轴向方向上三者具有重合部分,三者在重合部分中的某个部位通过连接件4连接在一起;其中,连接件可以是多种,只要能够实现将第二镶块部14、第二镶块2的中间段23和第三镶块3连接在一起即可;In the embodiment of the present invention, the third insert 3 is embedded in the middle section 23 of the second insert 2 through the heat dissipation section 24 of the second insert 2 , and the middle section 23 of the second insert 2 is in the first insert 1 inside, that is, the middle section 23 of the second insert 2 is inside the second insert part 14, so that the second insert part 14, the middle section 23 of the second insert 2 and the third insert 3 are within the second insert 2 The three have overlapping portions in the axial direction of Just connect the middle section 23 of the second insert block 2 and the third insert block 3 together;

第二镶块部14、第二镶块2的中间段23和第三镶块3均设有安装孔,具体地,由于第二镶块2的中间段23嵌入第二镶块部14内,使得第二镶块部14具有内壁和外壁,第二镶块部14的周壁在径向方向上设两个相对设置的第一辅助安装孔,第三镶块3嵌入第二镶块2的中间段23内,使得第二镶块2的中间段23具有内壁和外壁,第二镶块部14的周壁在径向方向上设两个相对设置的安装孔,第三镶块为实心结构,第三镶块3的径向方向设第二辅助安装孔,两个安装孔、两个第一辅助安装孔和第二辅助安装孔同轴设置;The second insert part 14, the middle section 23 of the second insert 2 and the third insert 3 are all provided with mounting holes. Specifically, since the middle section 23 of the second insert 2 is embedded in the second insert part 14, The second insert part 14 has an inner wall and an outer wall. The peripheral wall of the second insert part 14 is provided with two opposite first auxiliary mounting holes in the radial direction. The third insert 3 is embedded in the middle of the second insert 2 In the section 23, the middle section 23 of the second insert 2 has an inner wall and an outer wall. The peripheral wall of the second insert 14 is provided with two opposite mounting holes in the radial direction. The third insert is a solid structure. A second auxiliary mounting hole is provided in the radial direction of the three inserts 3, and the two mounting holes, the two first auxiliary mounting holes and the second auxiliary mounting hole are coaxially arranged;

连接件4包括销钉41,销钉41穿过第一辅助安装孔、安装孔和第二辅助安装孔固定第二镶块部14、第二镶块2的中间段23和第三镶块3;安装时,销钉41依次穿过一个第一辅助安装孔、一个安装孔、第二辅助安装孔、另一个安装孔和另一个第一辅助安装孔,实现将第二镶块部14、第二镶块2的中间段23和第三镶块3固定在一起,增强第二镶块与第一镶块1和第三镶块3之间的牢固强度,使得第二镶块能够承受更大的力。The connector 4 includes a pin 41 that passes through the first auxiliary mounting hole, the mounting hole and the second auxiliary mounting hole to fix the second insert part 14, the middle section 23 of the second insert 2 and the third insert 3; installation When the pin 41 passes through a first auxiliary mounting hole, a mounting hole, a second auxiliary mounting hole, another mounting hole and another first auxiliary mounting hole, the second insert part 14 and the second insert part are connected in sequence. The middle section 23 of 2 and the third insert 3 are fixed together to enhance the firm strength between the second insert and the first insert 1 and the third insert 3, so that the second insert can withstand greater force.

如图2所示,本发明的实施例中,镶块结构上设有盛放冷却液的冷却流道5,具体地,第二镶块2的内部设有冷却液流经的冷却流道5,通过在第二镶块上设冷却流道5,冷却流道5用于对第一镶块1、第二镶块2和第三镶块3冷却,实现对模具厚度过渡区进行散热。As shown in Figure 2, in the embodiment of the present invention, the insert structure is provided with a cooling channel 5 for containing cooling liquid. Specifically, the interior of the second insert 2 is provided with a cooling channel 5 through which the cooling liquid flows. , by providing cooling channels 5 on the second insert, the cooling channels 5 are used to cool the first insert 1, the second insert 2 and the third insert 3, thereby achieving heat dissipation in the transition zone of the thickness of the mold.

本发明的实施例中,第二镶块的一端部为嵌设于第一镶块内的储液段,储液段内设有空腔,空腔沿柱状第二镶块的轴向沿伸,空腔处于第二镶块端部的一侧敞口设置、相对另一侧经第二镶块的中间段封闭,盛放有冷却液的空腔构成冷却流道。In the embodiment of the present invention, one end of the second insert is a liquid storage section embedded in the first insert. The liquid storage section is provided with a cavity, and the cavity extends along the axial direction of the columnar second insert. , the cavity is open on one side of the end of the second insert and is closed on the other side through the middle section of the second insert. The cavity containing the cooling liquid forms a cooling flow channel.

本发明的实施例中,第二镶块2的储液段22内设有空腔,空腔作为盛放冷却液的冷却流道5,虽然第二镶块2的储液段22采用硬度较小、且热传导率较大的材质,但是,由于第二镶块2的储液段22嵌入第一镶块部13内,第一镶块部13对第二镶块2的储液段22具有支撑,因此,可在第二镶块2的储液段22上开设较长的冷却流道5;In the embodiment of the present invention, the liquid storage section 22 of the second insert 2 is provided with a cavity, and the cavity serves as the cooling flow channel 5 for containing cooling liquid. Although the liquid storage section 22 of the second insert 2 is made of a material with a relatively high hardness. The material is small and has a high thermal conductivity. However, since the liquid storage section 22 of the second insert 2 is embedded in the first insert part 13, the first insert part 13 has an impact on the liquid storage section 22 of the second insert 2. Support, therefore, a longer cooling flow channel 5 can be opened on the liquid storage section 22 of the second insert 2;

由于第二镶块材质的热传导率较大,传热效率高,因此,在第二镶块2的镶块段上设冷却流道5,使得冷却流道5对第二镶块2进行接触冷却,提高冷却流道5和第二镶块2之间的交换效率;Since the thermal conductivity of the second insert material is large and the heat transfer efficiency is high, cooling channels 5 are provided on the insert sections of the second insert 2 so that the cooling channels 5 contact and cool the second insert 2 , improve the exchange efficiency between the cooling channel 5 and the second insert 2;

空腔沿第一镶块部13的轴向沿伸,空腔在第二镶块2端部的一侧敞口设置,空腔靠近第二镶块部14的一端为封闭端;空腔在第一镶块部13内沿轴向沿伸,且沿伸至靠近第二镶块部14,最大限度地增加冷却流道5的长度,提高冷却流道5的冷却效率;The cavity extends along the axial direction of the first insert part 13, the cavity is open on one side of the end of the second insert 2, and the end of the cavity close to the second insert part 14 is a closed end; the cavity is at The first insert part 13 extends along the axial direction and extends close to the second insert part 14 to maximize the length of the cooling flow channel 5 and improve the cooling efficiency of the cooling flow channel 5;

空腔靠近第二镶块2的一端为封闭端,与该封闭端相对的一端为敞口端,该敞口端可作为冷却流道5的进出口,也就是冷却液从该进出口进出冷却流道5,在冷却液进入至冷却流道5内后,可使用堵块对进出口封堵,使得冷却流道5为封闭的冷却流道5。One end of the cavity close to the second insert 2 is a closed end, and the end opposite to the closed end is an open end. The open end can be used as the inlet and outlet of the cooling flow channel 5, that is, the cooling liquid enters and exits through the inlet and outlet for cooling. In the flow channel 5, after the coolant enters the cooling flow channel 5, a plug can be used to block the inlet and outlet, so that the cooling flow channel 5 is a closed cooling flow channel 5.

综上所述,在对该镶块结构安装时,第二镶块2从第一镶块部13进入第二镶块部14内,第二镶块2的变径部与第一镶块1的变径部相抵,第三镶块3经第二镶块2的散热段24嵌入第二镶块2的中间段23内,销钉41依次穿过一个第一辅助安装孔、一个安装孔、第二辅助安装孔、另一个安装孔、另一个第一辅助安装孔,将第一镶块1、第二镶块2和第三镶块3固定连接。To sum up, when the insert structure is installed, the second insert 2 enters the second insert part 14 from the first insert part 13, and the reduced diameter part of the second insert 2 is in contact with the first insert 1 The reducing part offsets, the third insert 3 is embedded into the middle section 23 of the second insert 2 through the heat dissipation section 24 of the second insert 2, and the pin 41 passes through a first auxiliary mounting hole, a mounting hole, and a third in turn. Two auxiliary mounting holes, another mounting hole and another first auxiliary mounting hole fixedly connect the first insert 1, the second insert 2 and the third insert 3.

本发明还提供一种模具,模具上设有壁厚过渡区,该镶块结构设于壁厚过渡区上;The invention also provides a mold, the mold is provided with a wall thickness transition zone, and the insert structure is located on the wall thickness transition zone;

具体地,第三镶块3远离第二镶块部14的一端与壁厚过渡区接触,由于壁厚过渡区上设有该镶块结构,该镶块结构集成了硬度较大和热传导率较大的两个优点,保证了镶块结构具有一定的硬度,又保证了镶块结构具有一定的热传导效率,从而提高了镶块结构对模具的冷却效率。Specifically, one end of the third insert 3 away from the second insert part 14 is in contact with the wall thickness transition zone. Since the insert structure is provided on the wall thickness transition zone, the insert structure integrates greater hardness and greater thermal conductivity. The two advantages ensure that the insert structure has a certain hardness and a certain heat conduction efficiency, thereby improving the cooling efficiency of the mold by the insert structure.

以上所述仅是本发明的较佳实施例而已,并非对本发明作任何形式上的限制,虽然本发明已以较佳实施例揭露如上,然而并非用以限定本发明,任何熟悉本专利的技术人员在不脱离本发明技术方案范围内,当可利用上述提示的技术内容作出些许更动或修饰为等同变化的等效实施例,但凡是未脱离本发明技术方案的内容,依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰,均仍属于本发明方案的范围内。The above are only preferred embodiments of the present invention, and do not limit the present invention in any form. Although the present invention has been disclosed above in preferred embodiments, it is not intended to limit the present invention. Anyone familiar with the technology of this patent Without departing from the scope of the technical solution of the present invention, personnel can make some changes or modify the above-mentioned technical contents into equivalent embodiments with equivalent changes. In essence, any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the present invention.

Claims (9)

1.一种镶块结构,其特征在于,包括由外向内依次嵌套设置的第一镶块、第二镶块和第三镶块,第一镶块和第三镶块材质的硬度大于第二镶块材质的硬度,第一镶块和第三镶块材质的热传导率小于第二镶块材质的热传导率;1. An insert structure, characterized in that it includes a first insert, a second insert and a third insert that are nested in sequence from the outside to the inside. The hardness of the material of the first insert and the third insert is greater than that of the third insert. The hardness of the second insert material, the thermal conductivity of the first insert material and the third insert material is smaller than the thermal conductivity of the second insert material; 第二镶块的部分嵌套于第一镶块内,第二镶块处于第一镶块外部的裸露部内嵌设有第三镶块;Part of the second insert is nested in the first insert, and a third insert is embedded in the exposed portion of the second insert outside the first insert; 第二镶块呈柱状,柱状第二镶块沿轴向依次分为储液段、中间段和散热段,储液段和中间段嵌设于第一镶块内,第三镶块嵌设于中间段和散热段内。The second insert is columnar, and the second columnar insert is divided into a liquid storage section, a middle section and a heat dissipation section along the axial direction. The liquid storage section and the middle section are embedded in the first insert, and the third insert is embedded in the first insert. In the middle section and heat dissipation section. 2.根据权利要求1所述的镶块结构,其特征在于,储液段、中间段和散热段的径向尺寸依次递减。2. The insert structure according to claim 1, characterized in that the radial dimensions of the liquid storage section, the intermediate section and the heat dissipation section decrease in sequence. 3.根据权利要求1所述的镶块结构,其特征在于,第一镶块呈内部中空、与第二镶块同轴设置的筒状,第二镶块的储液段和中间段处于筒状第一镶块的内部、且与筒状第一镶块的内壁相贴合接触。3. The insert structure according to claim 1, characterized in that the first insert is hollow inside and has a cylindrical shape coaxially arranged with the second insert, and the liquid storage section and the middle section of the second insert are in the cylindrical shape. The inside of the cylindrical first insert is in close contact with the inner wall of the cylindrical first insert. 4.根据权利要求1所述的镶块结构,其特征在于,第三镶块呈与第二镶块同轴设置的柱状,第三镶块的轴向长度小于第二镶块的中间段和散热段的长度之和;第二镶块内设有沿轴向延伸的、处于中间段和散热段中心处的镶嵌槽,第三镶块全部嵌设于镶嵌槽内,第三镶块的外周侧壁与镶嵌槽内壁相贴合接触。4. The insert structure according to claim 1, wherein the third insert is in the shape of a column coaxially arranged with the second insert, and the axial length of the third insert is smaller than the middle section and the second insert. The sum of the lengths of the heat dissipation sections; the second insert block is provided with an inlaid groove extending along the axial direction and located at the center of the middle section and the heat dissipation section. The third insert block is all embedded in the inlaid groove. The outer periphery of the third insert block The side wall is in close contact with the inner wall of the inlaid groove. 5.根据权利要求1所述的镶块结构,其特征在于,第一镶块、第二镶块和第三镶块在第二镶块的轴向方向上具有三者重合部分,三者重合部分处设有径向依次贯穿、将三者固定连接的连接件。5. The insert structure according to claim 1, characterized in that the first insert, the second insert and the third insert have three overlapping portions in the axial direction of the second insert, and the three overlap portions There are connecting parts that penetrate radially in sequence to fixedly connect the three parts. 6.根据权利要求5所述的镶块结构,其特征在于,第二镶块的中间段上设有安装孔,第一镶块和第三镶块上分别设有与安装孔相对应同轴开设的辅助安装孔;连接件包括销钉,销钉沿第二镶块的径向依次穿过各安装孔。6. The insert structure according to claim 5, characterized in that the middle section of the second insert is provided with a mounting hole, and the first insert and the third insert are respectively provided with coaxial holes corresponding to the mounting holes. Auxiliary mounting holes are opened; the connecting piece includes pins, and the pins pass through each mounting hole in sequence along the radial direction of the second insert. 7.根据权利要求1-6任一项所述的镶块结构,其特征在于,第二镶块的内部设有供冷却液流经的冷却流道。7. The insert structure according to any one of claims 1 to 6, characterized in that a cooling flow channel for cooling liquid to flow is provided inside the second insert. 8.根据权利要求7所述的镶块结构,其特征在于,第二镶块的一端部为嵌设于第一镶块内的储液段,储液段内设有空腔,空腔沿柱状第二镶块的轴向沿伸,空腔处于第二镶块端部的一侧敞口设置、相对另一侧经第二镶块的中间段封闭,盛放有冷却液的空腔构成冷却流道。8. The insert structure according to claim 7, wherein one end of the second insert is a liquid storage section embedded in the first insert, and a cavity is provided in the liquid storage section. The cylindrical second insert extends along the axial direction. The cavity is open on one side of the end of the second insert and is closed on the other side through the middle section of the second insert. The cavity contains the cooling liquid. Cooling channels. 9.一种模具,模具上设有壁厚过渡区,其特征在于,壁厚过渡区上设有权利要求1-8任一项所述的镶块结构。9. A mold, the mold is provided with a wall thickness transition zone, characterized in that the wall thickness transition zone is provided with the insert structure according to any one of claims 1-8.
CN202010929696.1A 2020-09-07 2020-09-07 Insert structure and die Active CN114030133B (en)

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JP2005199469A (en) * 2004-01-13 2005-07-28 Nissan Shatai Co Ltd Injection mold
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CN104260288A (en) * 2014-09-12 2015-01-07 苏州好特斯模具有限公司 Heat conduction copper-clad steel core for high glass fibers
DE202017102917U1 (en) * 2017-05-15 2017-06-19 Martin Baumann Mold insert for a mold

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US20020003199A1 (en) * 1999-12-06 2002-01-10 Check John M. Core for injection molding tools

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005199469A (en) * 2004-01-13 2005-07-28 Nissan Shatai Co Ltd Injection mold
EP2520403A1 (en) * 2011-05-04 2012-11-07 Tooling Holland B.V. Cavity insert for a preform injection mold
CN104260288A (en) * 2014-09-12 2015-01-07 苏州好特斯模具有限公司 Heat conduction copper-clad steel core for high glass fibers
DE202017102917U1 (en) * 2017-05-15 2017-06-19 Martin Baumann Mold insert for a mold

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