CN103317314B - Extrusion die and processing method for ultra-thin-wall cable without adjustment - Google Patents

Extrusion die and processing method for ultra-thin-wall cable without adjustment Download PDF

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Publication number
CN103317314B
CN103317314B CN201310246080.4A CN201310246080A CN103317314B CN 103317314 B CN103317314 B CN 103317314B CN 201310246080 A CN201310246080 A CN 201310246080A CN 103317314 B CN103317314 B CN 103317314B
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mold
core
hole
sleeve
die
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CN103317314A (en
Inventor
谢静
陆元高
刘梦琴
王晓荣
陆朝燕
冯春香
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Hang Fei Cable Ltd By Share Ltd
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Heng Yang Hengfei Cable Co ltd
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Priority to CN201310246080.4A priority Critical patent/CN103317314B/en
Priority to CN201510766093.3A priority patent/CN105415634B/en
Publication of CN103317314A publication Critical patent/CN103317314A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/24—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
    • H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Extrusion Of Metal (AREA)

Abstract

The deviation-free ultrathin-wall cable extrusion die comprises a die sleeve 1 and a die core 2, wherein the die core 2 is arranged in an inner hole of the die sleeve 1 and welded together to form a whole with the die sleeve 1, a feeding channel 3 is arranged between the die sleeve 1 and the die core 2, the die sleeve 1 is provided with a plurality of feeding holes 11 communicated with the feeding channel 3, the center of the die sleeve 1 is provided with a die sleeve hole 12 and a wire guide hole 13 communicated with the feeding channel 3, and the center of the die core 2 is provided with a die core hole 21 communicated with the feeding channel 3. The structure and the position of the mold core and the mold sleeve of the extrusion mold are reasonably distributed, and the one-step processing forming method is adopted for processing, so that compared with the prior art, the insulation thickness is ensured to meet the design requirement, the product can completely meet the technical requirement of the ultra-thin-wall cable, the product quality and the production efficiency of the ultra-thin-wall cable are improved, and the ultra-thin-wall cable has the characteristics of advanced design and convenience in operation, and has good economic benefit and social benefit.

Description

免调偏超薄壁电缆挤出模具及其加工方法Extrusion die and processing method for ultra-thin-wall cable without adjustment

技术领域 technical field

本发明涉及电缆加工领域的电缆挤出模具，特别是一种免调偏超薄壁电缆挤出模具及其加工方法。 The invention relates to a cable extrusion die in the field of cable processing, in particular to a deflection-free ultra-thin-wall cable extrusion die and a processing method thereof.

背景技术 Background technique

超薄壁电缆是电缆行业的一个新兴产品，由于它具有尺寸小、质量轻、载流量大、阻燃性高、易安装敷设等特点，节约资源和装备空间，提高装备的工作效率，所以广泛应于高速列车、城市轨道交通车辆、航空航天飞行器等高端装备。 Ultra-thin-walled cable is an emerging product in the cable industry. Because it has the characteristics of small size, light weight, large carrying capacity, high flame retardancy, easy installation and laying, etc., it saves resources and equipment space and improves the working efficiency of equipment, so it is widely used. It should be used in high-end equipment such as high-speed trains, urban rail transit vehicles, and aerospace vehicles.

生产超薄壁电缆的主要困难在于电缆绝缘护套的挤出。由于超薄壁电缆的主要特点就是电缆壁超薄，一般为0.18mm，该厚度接近电缆挤出极限，所以生产过程中经常出现偏芯甚至穿壁的现象。 The main difficulty in producing ultra-thin-walled cables lies in the extrusion of the cable insulation sheath. Since the main feature of ultra-thin-walled cables is that the cable wall is ultra-thin, generally 0.18mm, which is close to the extrusion limit of the cable, so the phenomenon of eccentricity or even wall penetration often occurs during the production process.

发明内容 Contents of the invention

本发明的目的之一是克服现有技术的上述不足，而提供一种产品质量和生产效率高、操作方便的免调偏超薄壁电缆挤出模具。 One of the purposes of the present invention is to overcome the above-mentioned deficiencies of the prior art, and provide a non-adjustable ultra-thin-wall cable extrusion die with high product quality, high production efficiency and convenient operation.

实现本发明上述目的的技术方案是：一种免调偏超薄壁电缆挤出模具，包括模芯和模套，模套安装在模芯的内孔内并焊接在一起与模芯成为一个整体，模芯与模套之间设有胶料通道，模芯上有与胶料通道联通的若干进料孔、模芯中心有与胶料通道联通的模芯孔和导线孔，模套中心有与胶料通道联通的模套孔。 The technical solution for realizing the above-mentioned purpose of the present invention is: a non-adjustable ultra-thin wall cable extrusion die, including a mold core and a mold sleeve, the mold sleeve is installed in the inner hole of the mold core and welded together to form a whole with the mold core , There is a rubber channel between the mold core and the mold sleeve, there are several feeding holes connected with the rubber material channel on the mold core, there are core holes and wire holes connected with the rubber material channel in the center of the mold core, and there are The hole in the mold casing communicated with the rubber channel.

本发明进一步的技术方案是:进料孔均布在以模芯中心线为轴线的圆锥面上。 A further technical solution of the present invention is: the feeding holes are evenly distributed on the conical surface with the central line of the mold core as the axis.

本发明的目的之二是克服现有技术的上述不足，而提供一种产品质量和生产效率高、操作方便的免调偏超薄壁电缆挤出模具的加工方法。 The second object of the present invention is to overcome the above-mentioned deficiencies of the prior art, and provide a method for processing the extruding die of ultra-thin-wall cables without adjustment and with high product quality and production efficiency and convenient operation.

本发明的技术方案是：一种免调偏超薄壁电缆挤出模具的加工方法，包括如下步骤： The technical solution of the present invention is: a method for processing an extrusion die of an ultra-thin-wall cable without adjustment, comprising the following steps:

第一步：在模芯上加工用于镶装模套的内孔； The first step: process the inner hole on the mold core for inserting the mold sleeve;

第二步：加工模套； The second step: processing mold sets;

第三步：将模套镶装在模芯内孔中并留出胶料通道，在外表面对其焊紧、抛光； Step 3: Install the mold sleeve in the inner hole of the mold core and leave a passage for the rubber material, weld and polish it on the outer surface;

第四步：从模套的一侧，通过模套在模芯中心加工出与胶料通道联通的模芯孔；再以模芯孔为中心，在模套上加工模套孔； Step 4: From one side of the mold sleeve, process the mold core hole in the center of the mold core through the mold sleeve to communicate with the rubber channel; then process the mold sleeve hole on the mold sleeve with the mold core hole as the center;

第五步：在模芯尾端加工模芯的外形和导线孔； Step 5: Process the shape of the core and the wire hole at the end of the core;

第六步：在以模芯中心线为轴线的圆锥面上加工进料孔。 Step 6: Process the feed hole on the conical surface with the centerline of the core as the axis.

本发明通过对挤出模具的模套和模芯的结构与位置进行合理布局，采用一次加工成型方法加工，安装到挤出机后可直接挤出，勿需手工调节偏芯度，与现有技术相比，保障绝缘厚度符合设计要求，产品完全能满足超薄壁电缆的技术要求，提高超薄壁电缆的产品质量和生产效率，具有设计先进，操作方便的特点，具有良好的经济效益及社会效益。 The invention rationally arranges the structure and position of the mold sleeve and the mold core of the extrusion die, adopts a one-time processing molding method, and can be directly extruded after being installed in the extruder without manually adjusting the degree of eccentricity, which is different from the existing Compared with technology, the insulation thickness is guaranteed to meet the design requirements, the product can fully meet the technical requirements of ultra-thin-wall cables, and improve the product quality and production efficiency of ultra-thin-wall cables. It has the characteristics of advanced design and convenient operation, and has good economic benefits and social benefits.

以下结合图和具体实施方式对本发明的详细结构作进一步描述。 The detailed structure of the present invention will be further described below in conjunction with the drawings and specific embodiments.

附图说明 Description of drawings

图1为本发明第一步加工示意图； Fig. 1 is the processing schematic diagram of the first step of the present invention;

图2为本发明第二步加工示意图； Fig. 2 is the second processing schematic diagram of the present invention;

图3为本发明第三步加工示意图； Fig. 3 is the processing schematic diagram of the third step of the present invention;

图4、5为本发明第四步加工示意图； Fig. 4, 5 are the 4th step processing schematic diagrams of the present invention;

图6为本发明第五步加工示意图； Fig. 6 is the fifth step processing schematic diagram of the present invention;

图7为本发明第六步加工示意图； Fig. 7 is the sixth processing schematic diagram of the present invention;

图8为图7的A-A剖视图。 FIG. 8 is a cross-sectional view along line A-A of FIG. 7 .

具体实施方式 detailed description

实施例1：一种免调偏超薄壁电缆挤出模具的加工方法，包括如下步骤： Embodiment 1: A method for processing an extrusion die of an ultra-thin-walled cable without adjustment, comprising the following steps:

第一步：如图1所示，在模芯1上加工用于镶装模套的内孔4； The first step: as shown in Figure 1, the inner hole 4 for inserting the mold sleeve is processed on the mold core 1;

第二步：如图2所示，加工模套2； The second step: as shown in Figure 2, process the mold cover 2;

第三步：如图3所示，将模套2镶装在模芯内孔4中并留出胶料通道3，在外表面对其焊紧、抛光； The third step: as shown in Figure 3, insert the mold cover 2 in the inner hole 4 of the mold core and leave the rubber channel 3, and weld and polish it on the outer surface;

第四步：如图4所示，先从模套2的一侧进刀，一刀同时在模套2上钻定位孔5、在模芯上钻与胶料通道3联通的模芯孔12；如图5所示，再以模芯孔12为中心，在模套2的定位孔5上钻模套孔21； Step 4: As shown in Figure 4, feed the knife from one side of the mold case 2, drill the positioning hole 5 on the mold case 2 at the same time, and drill the mold core hole 12 connected with the rubber channel 3 on the mold core at the same time; As shown in Figure 5, take the mold core hole 12 as the center, drill the mold sleeve hole 21 on the positioning hole 5 of the mold sleeve 2;

第五步：如图6所示，在模芯1尾端加工模芯1的外形和导线孔13； Step 5: As shown in Figure 6, process the shape of the core 1 and the wire hole 13 at the tail end of the core 1;

第六步：如图7、8所示，在以模芯1中心线为轴线的圆锥面上加工进料孔11。 Step 6: As shown in Figures 7 and 8, process the feeding hole 11 on the conical surface with the centerline of the core 1 as the axis.

实施例2：一种免调偏超薄壁电缆挤出模具，包括模芯1和模套2，模套2安装在模芯1的内孔内并焊接在一起与模芯1成为一个整体，模芯1与模套2之间设有胶料通道3，模芯1上有与胶料通道3联通的若干进料孔11、模芯1中心有与胶料通道3联通的模芯孔12和导线孔13，进料孔11均布在以模芯1中心线为轴线的圆锥面上，模套2中心有与胶料通道3联通的模套孔21。 Embodiment 2: An extrusion die for ultra-thin-wall cables without adjustment, including a mold core 1 and a mold sleeve 2. The mold sleeve 2 is installed in the inner hole of the mold core 1 and welded together with the mold core 1 to form a whole. There is a rubber channel 3 between the mold core 1 and the mold sleeve 2. There are several feeding holes 11 connected with the rubber channel 3 on the mold core 1, and a mold core hole 12 connected with the rubber channel 3 in the center of the mold core 1. And wire hole 13, feed hole 11 are evenly distributed on the conical surface with the center line of mold core 1 as the axis, and mold sleeve hole 21 communicated with rubber passage 3 is arranged in the center of mold sleeve 2.

Claims (1)

1.一种免调偏超薄壁电缆挤出模具的加工方法，其特征是包括如下步骤：第一步：在模芯上加工用于镶装模套的内孔； 1. A processing method of an extruding die for an extruded ultra-thin-walled cable without adjustment, which is characterized in that it comprises the following steps: the first step: processing an inner hole for inserting a die sleeve on the die core; 第二步：加工模套； The second step: processing mold sets; 第三步：将模套镶装在模芯内孔中并留出胶料通道，在外表面对其焊紧、抛光； Step 3: Install the mold sleeve in the inner hole of the mold core and leave a passage for the rubber material, weld and polish it on the outer surface; 第四步：从模套的一侧，通过模套在模芯中心加工出与胶料通道联通的模芯孔，再以模芯孔为中心，在模套上加工模套孔； Step 4: From the side of the mold sleeve, process the mold core hole connected with the rubber channel in the center of the mold core through the mold sleeve, and then process the mold sleeve hole on the mold sleeve with the mold core hole as the center; 第五步：在模芯尾端加工模芯的外形和导线孔； Step 5: Process the shape of the core and the wire hole at the end of the core; 第六步：在以模芯中心线为轴线的圆锥面上加工进料孔；加工模芯孔和模套孔时，先从模套的一侧进刀，一刀同时在模套上钻定位孔、在模芯上钻与胶料通道联通的模芯孔；再以模芯孔为中心，将模套的定位孔钻大成模套孔。 Step 6: Process the feed hole on the conical surface with the centerline of the mold core as the axis; when processing the core hole and the mold sleeve hole, first feed the tool from one side of the mold sleeve, and drill the positioning hole on the mold sleeve at the same time 1. Drill a core hole connected to the rubber channel on the core; then center the core hole and drill the positioning hole of the mold sleeve to form a mold sleeve hole.
CN201310246080.4A 2013-06-20 2013-06-20 Extrusion die and processing method for ultra-thin-wall cable without adjustment Active CN103317314B (en)

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CN201510766093.3A CN105415634B (en) 2013-06-20 2013-06-20 Deviation-adjusting-ultrathin-wall ultrathin-wall cable extrusion die and its processing method

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CN107036571B (en) * 2016-12-27 2023-11-14 江苏吴通物联科技有限公司 Automatic correction system of machine head free of adjustment on full-automatic cable production line
CN107195383B (en) * 2017-05-03 2019-01-01 重庆泰山电缆有限公司 A kind of tuningout method when super-section cable produces
CN113290820B (en) * 2021-05-25 2023-03-10 昆明电立电缆有限公司 Cable extrusion double-layer deviation-adjustment-free co-extrusion machine head and processing technology thereof

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CN105415634A (en) 2016-03-23
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