WO2020073584A1 - 一种内孔偏心型料筒冷却*** - Google Patents

一种内孔偏心型料筒冷却*** Download PDF

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Publication number
WO2020073584A1
WO2020073584A1 PCT/CN2019/075895 CN2019075895W WO2020073584A1 WO 2020073584 A1 WO2020073584 A1 WO 2020073584A1 CN 2019075895 W CN2019075895 W CN 2019075895W WO 2020073584 A1 WO2020073584 A1 WO 2020073584A1
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WIPO (PCT)
Prior art keywords
cooling
barrel
cooling pipe
pipe body
hole
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Application number
PCT/CN2019/075895
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English (en)
French (fr)
Inventor
梁振进
梁富
周于铭
Original Assignee
广州市型腔模具制造有限公司
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Application filed by 广州市型腔模具制造有限公司 filed Critical 广州市型腔模具制造有限公司
Priority to DE212019000035.5U priority Critical patent/DE212019000035U1/de
Publication of WO2020073584A1 publication Critical patent/WO2020073584A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/28—Melting pots

Definitions

  • the invention relates to the field of casting cooling, in particular to an inner hole eccentric barrel cooling system.
  • the die-casting mold generally includes a fixed mold fixed on the fixed mold mounting plate of the die-casting machine, and a moving mold fixed on the mounting plate of the die-casting motor mold.
  • the moving mold follows the relative movement of the moving mold mounting plate to complete mold closing and mold opening.
  • a cavity is formed between the fixed mold and the movable mold, and the cavity is filled with liquid metal under high pressure.
  • the mold is opened, the movable mold and the fixed mold are separated, and the casting can be taken out.
  • the existing die-casting mold structure when the metal solution is poured into the barrel, a sharp sound temperature is generated on the inner wall of the barrel below the pouring port, which is easy to corrode the overall barrel and shorten the service life.
  • the parts of the barrel are heated unevenly. If no effective cooling measures are taken, the barrel will be deformed, the guide post and guide sleeve of the mold will be misaligned, and the punch and the gate sleeve will be out of focus, resulting in The phenomenon that the card punch is often stuck in the barrel, which will damage the mold and shorten the service life of the mold.
  • the purpose of the invention is to provide an eccentric barrel cooling system with good cooling effect and simple structure.
  • An inner hole eccentric barrel cooling system includes a cooling tube body sleeved outside the barrel, the barrel includes a feed port, the cooling tube body is provided with a feed hole consistent with the position of the feed port, and the cooling tube body There are cooling holes for matching with the barrel.
  • the cooling pipe body is provided with a cooling liquid channel.
  • the cooling pipe body is also provided with a cooling liquid inlet and a cooling liquid outlet.
  • the cooling pipe body includes a thin-walled part located above the barrel and The thick-walled portion located below the barrel is thicker than the thin-walled portion, and the cooling pipe channel is located in the thick-walled portion.
  • the cooling pipe body has a cylindrical shape, and the cooling hole is a cylindrical hole eccentric to the cooling pipe body.
  • the diameter of the cooling hole is smaller than the outer diameter of the barrel, and a side of the cooling pipe body is provided with a notch extending from the outer surface of the cooling pipe body into the cooling hole, the notch along the diameter of the cooling pipe body The two ends of the main body of the cooling pipe are penetrated.
  • the cooling pipe body forms two mating mating surfaces at the notch.
  • the other side of the notch is provided with a number of The connection holes of the screw holes are matched with each other.
  • the connection holes are stepped.
  • the connection holes extend from the outer peripheral surface of the cooling pipe body to the other matching surface.
  • a plurality of opening holes extending from the outer peripheral surface of the cooling pipe body to a matching surface are provided on one side of the notch, the opening holes are stepped, and the end of the opening hole penetrating through the matching surface is provided with threads.
  • connection holes and two opening holes there are three connection holes and two opening holes, and the connection holes and the opening holes are arranged at intervals along the axis direction of the cooling pipe body.
  • the cooling pipe body is provided with a plurality of hooks.
  • the metal solution After entering the barrel through the feed port, the metal solution will flow along the bottom of the barrel.
  • the coolant channel of this inner hole eccentric barrel cooling system is provided at the lower part of the cooling pipe body, so that it can be more
  • the high-heat area of the barrel is purposely cooled to achieve a better cooling effect, and the thick-walled part of the cooling pipe body has lower requirements for the processing of the coolant channel, which reduces the processing cost.
  • FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention.
  • FIG. 2 is a front view of an embodiment of the present invention.
  • the present invention is an inner hole eccentric barrel cooling system, including a cooling tube body 2 sleeved outside the barrel 1, the barrel 1 includes a feed port, the cooling tube body 2 is provided with The feed hole 3 corresponding to the position of the feed port, the cooling pipe body 2 is provided with a cooling hole 4 for cooperating with the barrel 1, the cooling pipe body 2 is provided with a cooling liquid channel 5, and the cooling pipe body 2 is also provided with The cooling liquid inlet and the cooling liquid outlet, the cooling pipe body 2 includes a thin-walled portion 21 located above the cylinder 1 and a thick-walled portion 22 located below the cylinder 1, the thickness of the thick-walled portion 22 is greater than the thickness of the thin-walled portion 21 The coolant channel 5 is located in the thick-walled portion 22.
  • the height of the metal solution entering the barrel 1 is generally one-third of the axial height of the barrel 1, and the metal solution will flow along the bottom of the barrel 1 after entering the barrel 1 through the feed port Therefore, the energy of the metal solution will be first transferred to the lower part of the barrel 1, and the upper temperature of the barrel 1 is lower than that of the barrel 1.
  • the coolant passage 5 of the eccentric barrel cooling system of the inner hole is provided At the lower part of the cooling pipe body 2, the high-heat area of the barrel 1 can be cooled more specifically to achieve a better cooling effect, and the thick-walled portion 22 of the cooling pipe body 2 is required for the processing of the coolant channel 5 Lower, reducing processing costs.
  • the cooling pipe body 2 has a cylindrical shape
  • the cooling hole 4 is a cylindrical hole eccentric to the cooling pipe body 2, which is more convenient to process and saves costs.
  • the diameter of the cooling hole 4 is smaller than the outer diameter of the cylinder, and a side of the cooling pipe body 2 is provided with a notch 23 extending from the outer surface of the cooling pipe body 2 into the cooling hole 4, the notch 23 along The cooling pipe body 2 passes through both end surfaces of the cooling pipe body 2 in the radial direction.
  • the diameter of the cooling hole 4 is smaller than the diameter of the barrel 1, so when it is installed on the barrel 1, it needs to be expanded by the notch 23, thereby increasing the diameter of the cooling hole 4, so that the cooling pipe body 2 can be smoothly sleeved Outside the barrel 1. After installation, the cooling tube body 2 can be firmly clamped on the barrel 1 by its own internal force.
  • the cooling pipe body 2 forms two mating mating surfaces at the notch 23, and is also provided with a plurality of screw holes 24 extending into the cooling pipe body 2 from a mating face, and the other side of the notch 23 A plurality of connecting holes 25 that cooperate with the screw holes 24 are provided.
  • the connecting holes 25 have a stepped shape.
  • the connecting holes 25 extend from the outer peripheral surface of the cooling tube body 2 to another matching surface.
  • one side of the notch 23 is provided with a plurality of opening holes 26 extending from the outer peripheral surface of the cooling tube body 2 to a mating surface, the opening holes 26 are stepped, and the opening holes 26 are provided through one end of the mating surface There are threads. Specifically, when the cooling tube body 2 needs to be detached from the cartridge 1, the screw 23 can be screwed into the opening hole 26 to expand the gap 23, thereby increasing the diameter of the cooling hole 4 for easy removal.
  • connection holes 25 and two opening holes 26 there are three connection holes 25 and two opening holes 26 in total.
  • the connection holes 25 and the opening holes 26 are arranged at intervals in the axial direction of the cooling pipe body 2.
  • the cooling pipe body 2 is provided with a plurality of hooks 27.
  • the cooling pipe body 2 is a metal part and has a large weight.
  • the hook 27 is convenient for transportation and placement.

Landscapes

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

Abstract

一种内孔偏心型料筒冷却***，包括套设在料筒(1)外部的冷却管主体(2)，冷却管主体上设有与进料口位置一致的进料孔(3)，冷却管主体中设有用于与料筒配合的冷却孔(4)，冷却管主体中设有冷却液通道(5)，冷却管主体上还设有冷却液入口和冷却液出口，冷却管主体包括位于料筒上方的薄壁部(21)及位于料筒下方的厚壁部(22)，厚壁部的壁厚大于薄壁部的壁厚，冷却管通道位于厚壁部中。该内孔偏心型料筒冷却***的冷却液通道设置在冷却管主体的下部，从而能更具针对性地对料筒的高热区域进行冷却，达到较好的冷却效果，且冷却管主体的厚壁部对于冷却液通道的加工要求较低，降低了加工成本。

Description

一种内孔偏心型料筒冷却***
技术领域
本发明涉及铸造冷却领域，特别是涉及一种内孔偏心型料筒冷却***。
背景技术
压铸模具一般包括固定在压铸机的定模安装板是的定模、固定在压铸机动模安装板上的动模，该动模随动模安装板相对运动而完成合模与开模。合模时，定模与动模之间形成型腔，液体金属在高压下充满该型腔，开模时，动模与定模分开，便可将铸件取出。现有压铸模具结构中存在当把金属溶液倒进料筒后，在浇注口下方的料筒内壁产生急剧声高的温度，容易腐蚀整体料筒，缩短使用寿命。在生产过程中，料筒各部位受热不均匀，如果没有采取有效冷却措施，料筒就会变形，模具的导柱与导套就会错位，卡冲头与浇口套就会不同心，造成卡冲头经常卡在料筒内的现象，这样会损坏模具，缩短模具的使用寿命。
发明内容
本发明的目的在于提供一种冷却效果好、结构简洁的内孔偏心型料筒冷却***。
本发明所采取的技术方案是：
一种内孔偏心型料筒冷却***，包括套设在料筒外部的冷却管主体，料筒包括进料口，冷却管主体上设有与进料口位置一致的进料孔，冷却管主体中设有用于与料筒配合的冷却孔，冷却管主体中设有冷却液通道，冷却管主体上还设有冷却液入口和冷却液出口，冷却管主体包括位于料筒上方的薄壁部及位于料筒下方的厚壁部，厚壁部的壁厚大于薄壁部的壁厚，冷却管通道位于厚壁部中。
进一步作为本发明技术方案的改进，冷却管主体呈圆柱形，冷却孔为与冷却管主体偏心的圆柱形孔。
进一步作为本发明技术方案的改进，冷却孔的直径小于料筒的外径，冷却管主体的一侧开设有由冷却管主体的外表面延伸至冷却孔中的缺口，缺口沿冷却管主体的径向贯通冷却管主体的两个端面。
进一步作为本发明技术方案的改进，冷却管主体于缺口处形成两相互贴合的配合面，还设有由一配合面向冷却管主体中延伸的若干螺孔，缺口的另一侧设有若干与螺孔相互配合的连接孔，连接孔呈台阶状，连接孔由冷却管主体的外周面延伸至另一配合面。
进一步作为本发明技术方案的改进，缺口的一侧设有若干由冷却管主体的外周面延伸至一配合面的开口孔，开口孔呈台阶状，开口孔贯通配合面的一端设有螺纹。
进一步作为本发明技术方案的改进，连接孔共三个，开口孔共两个，连接孔和开口孔沿冷却管主体的轴线方向间隔排布。
进一步作为本发明技术方案的改进，冷却管主体上设有若干挂钩。
本发明的有益效果：金属溶液由进料口进入料筒后，会沿着料筒的底部流动，此内孔偏心型料筒冷却***的冷却液通道设置在冷却管主体的下部，从而能更具针对性地对料筒的高热区域进行冷却，达到较好的冷却效果，且冷却管主体的厚壁部对于冷却液通道的加工要求较低，降低了加工成本。
附图说明
下面结合附图对本发明作进一步说明：
图1是本发明实施例的整体结构示意图；
图2是本发明实施例的主视图。
具体实施方式
参照图1～图2，本发明为一种内孔偏心型料筒冷却***，包括套设在料筒1外部的冷却管主体2，料筒1包括进料口，冷却管主体2上设有与进料口位置一致的进料孔3，冷却管主体2中设有用于与料筒1配合的冷却孔4，冷却管主体2中设有冷却液通道5，冷却管主体2上还设有冷却液入口和冷却液出口，冷却管主体2包括位于料筒1上方的薄壁部21及位于料筒1下方的厚壁部22，厚壁部22的壁厚大于薄壁部21的壁厚，冷却液通道5位于厚壁部22中。
铸造过程中，进入料筒1中的金属溶液的高度一般在料筒1轴向高度的三分之一处，金属溶液由进料口进入料筒1后，会沿着料筒1的底部流动，因此，金属溶液的能量会最先传导至料筒1的下部，而料筒1的上部温度则较料筒1的下部更低，此内孔偏心型料筒冷却***的冷却液通道5设置在冷却管主体2的下部，从而能更具针对性地对料筒1的高热区域进行冷却，达到较好的冷却效果，且冷却管主体2的厚壁部22对于冷却液通道5的加工要求较低，降低了加工成本。
作为本发明优选的实施方式，冷却管主体2呈圆柱形，冷却孔4为与冷却管主体2偏心的圆柱形孔，加工更加便捷，节约了成本。
作为本发明优选的实施方式，冷却孔4的直径小于料筒的外径，冷却管主体2的一侧开设有由冷却管主体2的外表面延伸至冷却孔4中的缺口23，缺口23沿冷却管主体2的径向贯通冷却管主体2的两个端面。
具体的，冷却孔4的直径小于料筒1的直径，因此在安装在料筒1上时，需要由缺口23处撑开，从而增大冷却孔4的直径，使得冷却管主体2能顺利套在料筒1外。而在安装之后，冷却管主体2能借其自身内力牢牢夹紧在料筒1上。
作为本发明优选的实施方式，冷却管主体2于缺口23处形成两相互贴合的配合面，还设有由一配合面向冷却管主体2中延伸的若干螺孔24，缺口23的另一侧设有若干与螺孔24相互配合的连接孔25，连接孔25呈台阶状，连接孔25由冷却管主体2的外周面延伸至另一配合面。
具体的，在冷却管主体2套设在料筒1外之后，还需通过螺钉依次穿过连接孔25和螺孔24进行锁紧。
作为本发明优选的实施方式，缺口23的一侧设有若干由冷却管主体2的外周面延伸至一配合面的开口孔26，开口孔26呈台阶状，开口孔26贯通配合面的一端设有螺纹。具体的，当需要将冷却管主体2从料筒1上拆下时，可从开口孔26中拧入螺钉而将缺口23撑开，从而增大冷却孔4的直径，便于取出。
作为本发明优选的实施方式，连接孔25共三个，开口孔26共两个，连接孔25和开口孔26沿冷却管主体2的轴线方向间隔排布。
作为本发明优选的实施方式，冷却管主体2上设有若干挂钩27，冷却管主体2为金属件，重量较大，挂钩27方便了运输和安放。
当然，本发明创造并不局限于上述实施方式，熟悉本领域的技术人员在不违背本发明精神的前提下还可作出等同变形或替换，这些等同的变形或替换均包含在本申请权利要求所限定的范围内。

Claims (7)

  1. 一种内孔偏心型料筒冷却***，其特征在于：包括套设在料筒（1）外部的冷却管主体（2），所述料筒（1）包括进料口，所述冷却管主体（2）上设有与进料口位置一致的进料孔（3），所述冷却管主体（2）中设有用于与料筒（1）配合的冷却孔（4），所述冷却管主体（2）中设有冷却液通道（5），冷却管主体（2）上还设有冷却液入口和冷却液出口，所述冷却管主体（2）包括位于料筒（1）上方的薄壁部（21）及位于料筒（1）下方的厚壁部（22），所述厚壁部（22）的壁厚大于所述薄壁部（21）的壁厚，所述冷却液通道（5）位于所述厚壁部（22）中。
  2. 根据权利要求1所述的内孔偏心型料筒冷却***，其特征在于：所述冷却管主体（2）呈圆柱形，所述冷却孔（4）为与所述冷却管主体（2）偏心的圆柱形孔。
  3. 根据权利要求2所述的内孔偏心型料筒冷却***，其特征在于：所述冷却孔（4）的直径小于料筒（1）的外径，所述冷却管主体（2）的一侧开设有由冷却管主体（2）的外表面延伸至冷却孔（4）中的缺口（23），所述缺口（23）沿冷却管主体（2）的径向贯通冷却管主体（2）的两个端面。
  4. 根据权利要求3所述的内孔偏心型料筒冷却***，其特征在于：所述冷却管主体（2）于缺口（23）处形成两相互贴合的配合面，还设有由一所述配合面向冷却管主体（2）中延伸的若干螺孔（24），所述缺口（23）的另一侧设有若干与所述螺孔（24）相互配合的连接孔（25），所述连接孔（25）呈台阶状，所述连接孔（25）由冷却管主体（2）的外周面延伸至另一所述配合面。
  5. 根据权利要求4所述的内孔偏心型料筒冷却***，其特征在于：所述缺口（23）的一侧设有若干由冷却管主体（2）的外周面延伸至一所述配合面的开口孔（26），所述开口孔（26）呈台阶状，所述开口孔（26）贯通配合面的一端设有螺纹。
  6. 根据权利要求5所述的内孔偏心型料筒冷却***，其特征在于：所述连接孔（25）共三个，所述开口孔（26）共两个，所述连接孔（25）和开口孔（26）沿冷却管主体（2）的轴线方向间隔排布。
  7. 根据权利要求1所述的内孔偏心型料筒冷却***，其特征在于：所述冷却管主体（2）上设有若干挂钩（27）。
PCT/CN2019/075895 2018-10-09 2019-02-22 一种内孔偏心型料筒冷却*** WO2020073584A1 (zh)

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CN109226715B (zh) * 2018-10-09 2024-03-12 广州市型腔模具制造有限公司 一种内孔偏心型料筒冷却***
CN111730039B (zh) * 2020-07-22 2022-05-13 莆田市荣兴机械有限公司 一种通用、高效的熔杯温度调控装置及其调控方法
CN112170794B (zh) * 2020-09-30 2022-03-08 江苏华龙铸铁型材有限公司 一种用于轨道型材生产的组合式腹冷结晶器
CN115041663B (zh) * 2022-07-22 2023-04-18 大连理工大学 一种压铸机料筒冷却***及其控制策略

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