WO2015192511A1 - Improved extrusion die for heat dissipating base of tablet computer - Google Patents

Improved extrusion die for heat dissipating base of tablet computer Download PDF

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Publication number
WO2015192511A1
WO2015192511A1 PCT/CN2014/087033 CN2014087033W WO2015192511A1 WO 2015192511 A1 WO2015192511 A1 WO 2015192511A1 CN 2014087033 W CN2014087033 W CN 2014087033W WO 2015192511 A1 WO2015192511 A1 WO 2015192511A1
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Prior art keywords
die
core
partition
partitioning
extrusion die
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PCT/CN2014/087033
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French (fr)
Chinese (zh)
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黄欣
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黄欣
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C25/00—Profiling tools for metal extruding
    • B21C25/02—Dies

Definitions

  • the utility model relates to an extrusion molding die, in particular to an improved tablet computer cooling base extrusion die.
  • a conventional tablet base is shown in Fig. 1.
  • the base is annular and extruded into a tubular shape by an extrusion die and cut.
  • a base is not conducive to heat dissipation, and at the same time, it consumes a lot of materials.
  • the utility model patent of CN 203091451U provides a "flat-plate cooling base extrusion die", which is in the original
  • the extrusion die is modified on the basis of the improvement, that is, an intermediate die is added between the upper die and the lower die of the original extrusion die, and the middle die is provided with a plurality of bumps protruding into the molding space.
  • the plurality of bumps separate the molding space, so that the finally obtained base has a plurality of through gaps, so that the base can dissipate heat and save material.
  • the patent scheme still has the following disadvantages: since a middle mold disposed between the front mold and the rear mold is added, the original cooperation relationship between the front mold and the rear mold is changed, and the front mold and the rear mold are also changed.
  • the installation position on the extrusion equipment not only has a large workload, but also changes the original extrusion process parameters; in addition, the added medium mold is bulky, difficult to process, and consumes a lot of materials.
  • the purpose of the utility model is to overcome the deficiencies of the prior art and provide an improved tablet computer cooling base extrusion die, which is obtained on the basis of the original extrusion die, and has an assembly relationship that does not affect the original mold.
  • the advantages of low cost of transformation are to overcome the deficiencies of the prior art and provide an improved tablet computer cooling base extrusion die, which is obtained on the basis of the original extrusion die, and has an assembly relationship that does not affect the original mold.
  • An improved tablet heat sink base extrusion die comprising a front die and a back die, wherein the back die is provided with a core, the core extends into the cavity of the front die, and the die and the die of the front die Forming an annular forming space between the cavities;
  • a partition for partitioning the molding space the partition being composed of an inner ring, an outer ring, a connecting arm, and a split core, wherein the partition core is plural and uniformly arranged in the circumferential direction, the partition core One end is connected to the outer ring, and the other end is inserted into the molding space; one end of the connecting arm is connected to the outer ring, and the other end is connected to the inner ring; and the outer wall of the core is provided with an annular groove, The inner ring is embedded in the annular groove and fixedly connected to the core by screws;
  • the partition is composed of a combination of a left half and a right half.
  • the inner ring has an extending portion extending in the axial direction relative to the connecting arm, and the screw is connected to the core through the extending portion.
  • the purpose of providing the extension is to provide the screw on the extension to facilitate the operation when the screw is tightened (the outer ring may hinder the operation of the screwdriver).
  • the cross-section of the split core has a circular arc shape, and the distance between the inner circular arc surface of the arc-shaped split core and the surface of the core is equal to the arc-shaped split core.
  • the number of the connecting arms is the same as the number of the dividing cores, one connecting arm is disposed at a dividing core, and the connecting arm is connected to the outer ring corresponding to the middle of the separating core. . This will ensure the strength of the connection, but not It is too much hindrance to the transportation of materials during work.
  • the separation space of the molding space can be realized by providing a partition member connected to the core, and the tablet heat dissipation base in the utility model patent with the authorization bulletin number CN 203091451U is obtained, without adding
  • the middle mold does not change the assembly relationship between the original front mold and the rear mold, nor does it change the mounting position of the mold on the extrusion equipment.
  • the partition in the utility model has a smaller volume than the existing medium mold, is more convenient to process, consumes less material, and reduces the transformation cost.
  • FIG. 1 is a schematic structural view of a tablet base in the prior art.
  • FIG. 2 is a schematic structural view of a tablet computer heat dissipation base obtained by using the extrusion die of the present invention.
  • FIG. 3 is a schematic structural view of a specific embodiment of an improved tablet heat sink base extrusion die of the present invention.
  • FIG. 4 is a schematic structural view (top view) of the partition member of FIG. 3.
  • Figure 5 is a schematic view showing the combination of the left half and the right half of the partition shown in Figure 4.
  • the improved tablet heat sink base extrusion die of the present invention comprises a front die 1, a rear die 2 and a partition member 3, wherein the rear die 2 is provided with a core 2-1.
  • the core 2-1 projects into the cavity of the front mold 1, and the core 2-1 forms an annular molding space 6 with the cavity of the front mold 1.
  • the partition member 3 is for partitioning the molding space 6, and the partition portion is for molding the notch 5-1 in the tablet heat dissipation base 5 (see FIG. 2).
  • the partition member 3 is composed of an inner ring 3-4, an outer ring 3-2, a connecting arm 3-3, and a partition core 3-1, wherein the partition core 3-1 is eight, and the eight partition type
  • the cores 3-1 are evenly arranged in the circumferential direction, one end of each of the partition cores 3-1 is connected to the outer ring 3-2, and the other end is inserted into the molding space 6; the cross of the partition core 3-1
  • the cross section has a circular arc shape, and the distance from the inner circular arc surface of the arc-shaped partition core 3-1 to the surface of the core 2-1 is equal to the outer circular arc surface of the arc-shaped partition core 3-1 to the front mold 1
  • the distance between the surfaces of the cavity is such that the wall thickness on both sides of the notch 5-1 of the finally obtained computer base 5 is uniform.
  • connection arm 3-3 One end of the connecting arm 3-3 is connected to the outer ring 3-2, the other end is connected to the inner ring 3-4, and the outer ring 3-2 and the inner ring 3-4 are integrally connected; the connecting arm 3-3
  • the number is the same as the number of the separation cores 3-1, one connection arm 3-3 is correspondingly disposed at one partition core 3-1, and the connection arm 3-3 is connected to the outer ring 3 corresponding to the middle portion of the separation core 3-1. -2, this will ensure the strength of the connection, and will not cause excessive obstacles to the transportation of materials during work.
  • the outer wall of the core 2-1 is provided with an annular groove 2-2, the inner ring 3-4 is embedded in the annular groove 2-2, and is fixedly connected to the core 2-1 by screws 4;
  • the inner ring 3-4 has an extending portion extending in the axial direction relative to the connecting arm 3-3, and the screw 4 is connected to the core 2-1 through the extending portion; the extending portion is provided for the purpose of the screw 4 is disposed on the extension portion to facilitate the operation when the screw 4 is tightened (the outer ring 3-2 may hinder the operation of the screwdriver).
  • the partition 3 is composed of a left half 3-5 and a right half 3-6. They are combined for the purpose of facilitating their mounting to the core 2-1. Since the radial dimension of the upper end of the core 2-1 is larger than the radial dimension of the lower end, the inner ring 3-4 is difficult to assemble in a nested manner, and the assembly problem is solved by using the combined structure.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

An extrusion die for a heat dissipating base of a tablet computer. The extrusion die comprises a front die (1) and a rear die (2). A die core (2-1) is disposed on the rear die, the die core extends into a die cavity of the front die, and an annular forming space (6) is formed between the die core and the die cavity of the front die. The extrusion die further comprises a partitioning member (3) used for partitioning the forming space. The partitioning member consists of an inner ring (3-4), an outer ring (3-2), connecting arms (3-3) and partitioning forming cores (3-1). There are multiple partitioning forming cores and the partitioning forming cores are uniformly arranged along the circumferential direction. One end of each partitioning forming core is connected to the outer ring, and the other end of each partitioning forming core extends into the forming space. One end of each connecting arm is connected to the outer ring, and the other end of each connecting arm is connected to the inner ring. An annular groove (2-2) is formed in the outer wall of the die core, and the inner ring is embedded into the annular groove and is fixedly connected to the die core by means of screws (4). The partitioning member is formed by combining a left half part (3-5) and a right half part (3-6). The extrusion die is obtained through transformation based on the original extrusion die, the original die assembly relationship is not affected, and the transformation cost is low.

Description

一种改进的平板电脑散热底座挤压模具Improved tablet cooling base extrusion die 技术领域Technical field
本实用新型涉及一种挤压成型模具，具体涉及一种改进的平板电脑散热底座挤压模具。The utility model relates to an extrusion molding die, in particular to an improved tablet computer cooling base extrusion die.
背景技术Background technique
现有的一种平板电脑底座如图1所示，该底座呈环状，利用挤压模具挤压成管状并切割获得。但是这种底座不利于散热，同时耗费的材料也较多，为此，授权公告号为CN 203091451U的实用新型专利中提供了一种“平板电脑散热底座挤压模具”，该挤压模具在原有的挤压模具基础上进行改造获得，改进之处在于在原有挤压模具的上模和下模之间增加中模，该中模上设有伸入到成型空间中的多个凸块，所述多个凸块将成型空间分隔，使得最终获得的底座上具有多个贯通的缺口，使得该底座既可以散热，又可以节省材料。但是该专利方案仍然存在以下的不足：由于增加了一个设置在前模和后模之间的中模，因此改变了前模和后模具的原来的配合关系，也改变了前模和后模在挤压设备上的安装位置，不但改造的工作量大，而且改变了原有的挤压工艺参数；此外，所增加的中模体积庞大，加工难度大，耗费的材料多。A conventional tablet base is shown in Fig. 1. The base is annular and extruded into a tubular shape by an extrusion die and cut. However, such a base is not conducive to heat dissipation, and at the same time, it consumes a lot of materials. For this reason, the utility model patent of CN 203091451U provides a "flat-plate cooling base extrusion die", which is in the original The extrusion die is modified on the basis of the improvement, that is, an intermediate die is added between the upper die and the lower die of the original extrusion die, and the middle die is provided with a plurality of bumps protruding into the molding space. The plurality of bumps separate the molding space, so that the finally obtained base has a plurality of through gaps, so that the base can dissipate heat and save material. However, the patent scheme still has the following disadvantages: since a middle mold disposed between the front mold and the rear mold is added, the original cooperation relationship between the front mold and the rear mold is changed, and the front mold and the rear mold are also changed. The installation position on the extrusion equipment not only has a large workload, but also changes the original extrusion process parameters; in addition, the added medium mold is bulky, difficult to process, and consumes a lot of materials.
实用新型内容Utility model content
本实用新型的目的在于克服现有技术的不足，提供一种改进的平板电脑散热底座挤压模具，该挤压模具在原有的挤压模具基础上改造获得，具有不影响原有模具的装配关系、改造成本低等优点。 The purpose of the utility model is to overcome the deficiencies of the prior art and provide an improved tablet computer cooling base extrusion die, which is obtained on the basis of the original extrusion die, and has an assembly relationship that does not affect the original mold. The advantages of low cost of transformation.
本实用新型解决上述技术问题的技术方案是：The technical solution of the utility model to solve the above technical problems is:
一种改进的平板电脑散热底座挤压模具，包括前模和后模，其中，后模上设有模芯，该模芯伸入到前模的模腔中，该模芯与前模的模腔之间形成环形的成型空间；An improved tablet heat sink base extrusion die, comprising a front die and a back die, wherein the back die is provided with a core, the core extends into the cavity of the front die, and the die and the die of the front die Forming an annular forming space between the cavities;
还包括用于分隔成型空间的分隔件，该分隔件由内环、外环、连接臂以及分隔型芯构成，其中，所述分隔型芯为多个且沿圆周方向均匀排列，该分隔型芯的一端连接在外环上，另一端伸入到所述成型空间中；所述连接臂一端与外环连接，另一端与内环连接；所述模芯的外壁上设有环形槽，所述内环嵌入在该环形槽内，并通过螺钉与模芯固定连接；Also included is a partition for partitioning the molding space, the partition being composed of an inner ring, an outer ring, a connecting arm, and a split core, wherein the partition core is plural and uniformly arranged in the circumferential direction, the partition core One end is connected to the outer ring, and the other end is inserted into the molding space; one end of the connecting arm is connected to the outer ring, and the other end is connected to the inner ring; and the outer wall of the core is provided with an annular groove, The inner ring is embedded in the annular groove and fixedly connected to the core by screws;
所述分隔件由左半部分和右半部分组合而成。The partition is composed of a combination of a left half and a right half.
本实用新型的一个优选方案，其中，所述内环上具有相对连接臂沿轴向延伸的延伸部，所述螺钉穿越该延伸部与模芯连接。设置所述延伸部的目的在于，将所述螺钉设置在该延伸部上，便于螺钉拧紧时的操作(外环会对操作螺丝刀产生一定的阻碍)。In a preferred embodiment of the present invention, the inner ring has an extending portion extending in the axial direction relative to the connecting arm, and the screw is connected to the core through the extending portion. The purpose of providing the extension is to provide the screw on the extension to facilitate the operation when the screw is tightened (the outer ring may hinder the operation of the screwdriver).
本实用新型的一个优选方案，其中，所述分隔型芯的横截面呈圆弧形，圆弧形的分隔型芯的内圆弧面到模芯表面的距离等于圆弧形的分隔型芯的外圆弧面到前模模腔表面的距离。这样可以让最终获得的板电脑底座的缺口两侧的壁厚均匀。According to a preferred embodiment of the present invention, the cross-section of the split core has a circular arc shape, and the distance between the inner circular arc surface of the arc-shaped split core and the surface of the core is equal to the arc-shaped split core. The distance from the outer arc surface to the surface of the front cavity. This allows the wall thickness of both sides of the notch of the finally obtained computer base to be uniform.
本实用新型的一个优选方案，其中，所述连接臂的数量与分隔型芯的数量相同，一个分隔型芯处对应设置一个连接臂，且连接臂连接在与分隔型芯中部对应的外环上。这样既可以确保连接强度，又不至 于对工作时物料的输送造成过大的阻碍。According to a preferred embodiment of the present invention, the number of the connecting arms is the same as the number of the dividing cores, one connecting arm is disposed at a dividing core, and the connecting arm is connected to the outer ring corresponding to the middle of the separating core. . This will ensure the strength of the connection, but not It is too much hindrance to the transportation of materials during work.
本实用新型与现有技术相比具有以下的有益效果：Compared with the prior art, the utility model has the following beneficial effects:
1、本实用新型的挤压模具中，通过设置连接在模芯上的分隔件便可实现对成型空间的分隔，获得授权公告号为CN 203091451U的实用新型专利中的平板电脑散热底座，无需增加中模，不改变原有前模和后模之间的装配关系，也不会改变模具在挤压设备上的安装位置。1. In the extrusion die of the utility model, the separation space of the molding space can be realized by providing a partition member connected to the core, and the tablet heat dissipation base in the utility model patent with the authorization bulletin number CN 203091451U is obtained, without adding The middle mold does not change the assembly relationship between the original front mold and the rear mold, nor does it change the mounting position of the mold on the extrusion equipment.
2、本实用新型中的分隔件相对于现有的中模体积更小，加工更加简便，耗费的材料更少，降低了改造成本。2. The partition in the utility model has a smaller volume than the existing medium mold, is more convenient to process, consumes less material, and reduces the transformation cost.
附图说明DRAWINGS
图1为现有技术中的一种平板电脑底座的结构示意图。FIG. 1 is a schematic structural view of a tablet base in the prior art.
图2为利用本实用新型的挤压模具制作获得的平板电脑散热底座的结构示意图。2 is a schematic structural view of a tablet computer heat dissipation base obtained by using the extrusion die of the present invention.
图3为本实用新型的改进的平板电脑散热底座挤压模具的一个具体实施方式的结构示意图。3 is a schematic structural view of a specific embodiment of an improved tablet heat sink base extrusion die of the present invention.
图4为图3中分隔件的结构示意图(俯视图)。4 is a schematic structural view (top view) of the partition member of FIG. 3.
图5为图4所示分隔件中左半部分和右半部分的组合示意图。Figure 5 is a schematic view showing the combination of the left half and the right half of the partition shown in Figure 4.
具体实施方式detailed description
下面结合实施例及附图对本实用新型作进一步详细的描述，但本实用新型的实施方式不限于此。The present invention will be further described in detail below with reference to the embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
参见图3～图5，本实用新型的改进的平板电脑散热底座挤压模具包括前模1、后模2以及分隔件3，其中，后模2上设有模芯2-1， 该模芯2-1伸入到前模1的模腔中，该模芯2-1与前模1的模腔之间形成环形的成型空间6。Referring to FIG. 3 to FIG. 5, the improved tablet heat sink base extrusion die of the present invention comprises a front die 1, a rear die 2 and a partition member 3, wherein the rear die 2 is provided with a core 2-1. The core 2-1 projects into the cavity of the front mold 1, and the core 2-1 forms an annular molding space 6 with the cavity of the front mold 1.
参见图2～图5，所述分隔件3用于分隔成型空间6，分隔部分用于成型所述平板电脑散热底座5中的缺口5-1(参见图2)。该分隔件3由内环3-4、外环3-2、连接臂3-3以及分隔型芯3-1构成，其中，所述分隔型芯3-1为8个，这8个分隔型芯3-1沿圆周方向均匀排列，每个分隔型芯3-1的一端连接在外环3-2上，另一端伸入到所述成型空间6中；该分隔型芯3-1的横截面呈圆弧形，圆弧形的分隔型芯3-1的内圆弧面到模芯2-1表面的距离等于圆弧形的分隔型芯3-1的外圆弧面到前模1模腔表面的距离，使得最终获得的板电脑底座5的缺口5-1两侧的壁厚均匀。所述连接臂3-3一端与外环3-2连接，另一端与内环3-4连接，将外环3-2和内环3-4连接成整体；所述连接臂3-3的数量与分隔型芯3-1的数量相同，一个分隔型芯3-1处对应设置一个连接臂3-3，且连接臂3-3连接在与分隔型芯3-1中部对应的外环3-2上，这样既可以确保连接强度，又不至于对工作时物料的输送造成过大的阻碍。所述模芯2-1的外壁上设有环形槽2-2，所述内环3-4嵌入在该环形槽2-2内，并通过螺钉4与模芯2-1固定连接；所述内环3-4上具有相对连接臂3-3沿轴向延伸的延伸部，所述螺钉4穿越该延伸部与模芯2-1连接；设置所述延伸部的目的在于，将所述螺钉4设置在该延伸部上，便于螺钉4拧紧时的操作(外环3-2会对操作螺丝刀产生一定的阻碍)。Referring to FIGS. 2 to 5, the partition member 3 is for partitioning the molding space 6, and the partition portion is for molding the notch 5-1 in the tablet heat dissipation base 5 (see FIG. 2). The partition member 3 is composed of an inner ring 3-4, an outer ring 3-2, a connecting arm 3-3, and a partition core 3-1, wherein the partition core 3-1 is eight, and the eight partition type The cores 3-1 are evenly arranged in the circumferential direction, one end of each of the partition cores 3-1 is connected to the outer ring 3-2, and the other end is inserted into the molding space 6; the cross of the partition core 3-1 The cross section has a circular arc shape, and the distance from the inner circular arc surface of the arc-shaped partition core 3-1 to the surface of the core 2-1 is equal to the outer circular arc surface of the arc-shaped partition core 3-1 to the front mold 1 The distance between the surfaces of the cavity is such that the wall thickness on both sides of the notch 5-1 of the finally obtained computer base 5 is uniform. One end of the connecting arm 3-3 is connected to the outer ring 3-2, the other end is connected to the inner ring 3-4, and the outer ring 3-2 and the inner ring 3-4 are integrally connected; the connecting arm 3-3 The number is the same as the number of the separation cores 3-1, one connection arm 3-3 is correspondingly disposed at one partition core 3-1, and the connection arm 3-3 is connected to the outer ring 3 corresponding to the middle portion of the separation core 3-1. -2, this will ensure the strength of the connection, and will not cause excessive obstacles to the transportation of materials during work. The outer wall of the core 2-1 is provided with an annular groove 2-2, the inner ring 3-4 is embedded in the annular groove 2-2, and is fixedly connected to the core 2-1 by screws 4; The inner ring 3-4 has an extending portion extending in the axial direction relative to the connecting arm 3-3, and the screw 4 is connected to the core 2-1 through the extending portion; the extending portion is provided for the purpose of the screw 4 is disposed on the extension portion to facilitate the operation when the screw 4 is tightened (the outer ring 3-2 may hinder the operation of the screwdriver).
参见图4和图5，所述分隔件3由左半部分3-5和右半部分3-6 组合而成，其目的在于便于将其安装到模芯2-1上。由于模芯2-1的上端径向尺寸大于下端的径向尺寸，因此内环3-4难以以套入的方式装配，采用组合式结构后，解决了该装配问题。Referring to Figures 4 and 5, the partition 3 is composed of a left half 3-5 and a right half 3-6. They are combined for the purpose of facilitating their mounting to the core 2-1. Since the radial dimension of the upper end of the core 2-1 is larger than the radial dimension of the lower end, the inner ring 3-4 is difficult to assemble in a nested manner, and the assembly problem is solved by using the combined structure.
上述为本实用新型较佳的实施方式，但本实用新型的实施方式并不受上述内容的限制，其他的任何未背离本实用新型的精神实质与原理下所作的改变、修饰、替代、组合、简化，均应为等效的置换方式，都包含在本实用新型的保护范围之内。 The above is a preferred embodiment of the present invention, but the embodiments of the present invention are not limited by the above, and any other changes, modifications, substitutions, combinations, and modifications made without departing from the spirit and principles of the present invention. Simplifications should be equivalent replacements and are included in the scope of protection of the present invention.

Claims (4)

  1. 一种改进的平板电脑散热底座挤压模具，包括前模和后模，其中，后模上设有模芯，该模芯伸入到前模的模腔中，该模芯与前模的模腔之间形成环形的成型空间；其特征在于：An improved tablet heat sink base extrusion die, comprising a front die and a back die, wherein the back die is provided with a core, the core extends into the cavity of the front die, and the die and the die of the front die Forming an annular forming space between the cavities; characterized by:
    还包括用于分隔成型空间的分隔件，该分隔件由内环、外环、连接臂以及分隔型芯构成，其中，所述分隔型芯为多个且沿圆周方向均匀排列，该分隔型芯的一端连接在外环上，另一端伸入到所述成型空间中；所述连接臂一端与外环连接，另一端与内环连接；所述模芯的外壁上设有环形槽，所述内环嵌入在该环形槽内，并通过螺钉与模芯固定连接；Also included is a partition for partitioning the molding space, the partition being composed of an inner ring, an outer ring, a connecting arm, and a split core, wherein the partition core is plural and uniformly arranged in the circumferential direction, the partition core One end is connected to the outer ring, and the other end is inserted into the molding space; one end of the connecting arm is connected to the outer ring, and the other end is connected to the inner ring; and the outer wall of the core is provided with an annular groove, The inner ring is embedded in the annular groove and fixedly connected to the core by screws;
    所述分隔件由左半部分和右半部分组合而成。The partition is composed of a combination of a left half and a right half.
  2. 根据权利要求1所述的改进的平板电脑散热底座挤压模具，其特征在于，所述内环上具有相对连接臂沿轴向延伸的延伸部，所述螺钉穿越该延伸部与模芯连接。The improved tablet heat sink base extrusion die of claim 1 wherein said inner ring has an extension extending axially relative to the connecting arm, said screw being coupled to the core through the extension.
  3. 根据权利要求1所述的改进的平板电脑散热底座挤压模具，其特征在于，所述分隔型芯的横截面呈圆弧形，圆弧形的分隔型芯的内圆弧面到模芯表面的距离等于圆弧形的分隔型芯的外圆弧面到前模模腔表面的距离。The improved tablet heat sink base extrusion die according to claim 1, wherein the partition core has a circular arc shape in cross section, and the inner arc surface of the arc-shaped partition core is to the core surface. The distance is equal to the distance from the outer circular arc surface of the arc-shaped partition core to the surface of the front mold cavity.
  4. 根据权利要求1所述的改进的平板电脑散热底座挤压模具，其特征在于，所述连接臂的数量与分隔型芯的数量相同，一个分隔型芯处对应设置一个连接臂，且连接臂连接在与分隔型芯中部对应的外环上。 The improved tablet heat sink base extrusion die according to claim 1, wherein the number of the connecting arms is the same as the number of the dividing cores, and a connecting arm is disposed at a partitioning core, and the connecting arm is connected. On the outer ring corresponding to the middle of the split core.
PCT/CN2014/087033 2014-06-20 2014-09-22 Improved extrusion die for heat dissipating base of tablet computer WO2015192511A1 (en)

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