WO2014071672A1 - 封闭加料真空熔炼圆筒式全自动压铸机 - Google Patents

封闭加料真空熔炼圆筒式全自动压铸机 Download PDF

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Publication number
WO2014071672A1
WO2014071672A1 PCT/CN2012/087484 CN2012087484W WO2014071672A1 WO 2014071672 A1 WO2014071672 A1 WO 2014071672A1 CN 2012087484 W CN2012087484 W CN 2012087484W WO 2014071672 A1 WO2014071672 A1 WO 2014071672A1
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Prior art keywords
mold
vacuum melting
movable
rotating
casting machine
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PCT/CN2012/087484
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English (en)
French (fr)
Inventor
李尚泉
Original Assignee
Li Shangquan
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Publication of WO2014071672A1 publication Critical patent/WO2014071672A1/zh

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    • 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
    • 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

Definitions

  • the invention relates to a casting device, in particular to a closed-feed vacuum melting cylindrical automatic die-casting machine, which is widely used in various non-ferrous metal castings, in particular, casting of less than 5Kg non-ferrous metal castings and lead-acid battery positive and negative plates. .
  • the current die-casting machines are available in both horizontal and vertical styles. They are designed with open smelting and pouring. Non-ferrous metal castings, especially lead-acid battery plates, are easily oxidized during open smelting and pouring, and heavy metals are generated in the air. A lot of pollution affects people's health. This traditional open smelting and pouring method has low production efficiency, high labor intensity, high production cost, poor product consistency and unreliable quality.
  • the technical problem to be solved by the present invention is: to solve the above problems in the prior art, and to provide a closed-feed vacuum melting cylindrical automatic die-casting machine, which avoids oxidation of the alloy liquid and air pollution, and improves production efficiency and products. Quality, reduce production costs and energy consumption, and reduce labor intensity.
  • a closed-feed vacuum melting cylindrical automatic die-casting machine which is equipped with a motor power, a rotating movable mold and a movable fixed mold on a frame, and the rotating movable mold and the movable fixed mold are engraved with concave and convex grooves corresponding to the shape of the casting, and the rotation is performed.
  • the concave and convex grooves of the movable mold and the concave and convex grooves of the movable fixed mold form a casting cavity, and the motor is connected with the transmission rotating mold and the movable fixed mold.
  • a vacuum melting furnace and a heat insulating oil tank are installed beside the frame.
  • Furnace extruder, hydraulic oil tank, hydraulic pump and push rod, heating device is also installed on the furnace extrusion machine, and the furnace material inlet, alloy liquid output pipe and inert gas are also installed on the vacuum melting furnace.
  • the alloy liquid output pipe is connected with the metal liquid head, the metal liquid head is installed above the casting cavity, the heat preservation oil output pipe of the heat preservation oil tank is connected with the heat preservation oil pump, and the output end of the heat preservation oil pump passes through the oil pipe, the rotary oil nozzle joint and the rotation
  • the inner cavity of the movable mold is connected with the inner cavity of the movable fixed mold, and the rotary oil nozzle joint of the rotating movable mold and the other side of the movable stationary mold is connected with the oil return oil return pipe.
  • the rotating movable mold is a cylindrical structure or a polygonal structure
  • the movable fixed mold is a flexible steel strip mold structure or a polygonal structure
  • the rotating movable mold has a plurality of driving teeth on both sides
  • the movable fixed mold has corresponding transmission positioning holes on both sides.
  • the alloy liquid stirring and slag removing machine is installed in the vacuum melting furnace.
  • the outermost layer of the charge extrusion machine and the vacuum melting furnace is an insulation layer.
  • the vacuum melting furnace is provided with an observation hole and a safety device.
  • the movable fixed mold or the rotary movable mold is connected with an opening and closing mold cylinder, and the opening and closing mold cylinder is fixed and fixed on the frame.
  • the movable fixed mold and the rotating movable mold end are respectively respectively fixed with an indexing plate, and the indexing plate is connected and driven by a synchronous motor.
  • a discharge blade is installed below the rotary movable mold.
  • the alloy ingot charge is pushed into the charge extrusion machine by the hydraulic pump push rod, and is heated to a soft state by the heating device in the charge press, and the hydraulic pump push rod squeezes the soft alloy ingot charge through the charge inlet.
  • the round rod is squeezed into a vacuum melting furnace for melting.
  • the vacuum melting furnace is equipped with an alloy liquid stirring and slag-removing machine, and is stirred while being smelted, and the slag is periodically plucked, and the slag is transferred into the closed gate.
  • the inert gas is introduced into the adjustable pressure, and the molten metal is injected into the cavity formed by the combination of the rotating movable mold and the movable fixed mold through the alloy liquid output pipe and the metal liquid jet head according to the appropriate pressure. Shrink, solidify, and form a casting.
  • the thin casting is synchronously rotated by the cylindrical rotating movable mold and the flexible steel strip movable fixed mold, and is cooled by the cold air of the lower part, and the discharging blade is shoveled out, and the plurality of driving teeth on both sides of the rotating moving mold are pressed in during rotation.
  • the flexible steel belt is in the fixed positioning hole of the fixed mold, similar to the tape transmission structure of the traditional camera, so that the two molds can be combined accurately and without misalignment, and a high quality ideal thin casting can be produced.
  • the rotating movable mold and the movable fixed mold adopt a polygonal structure.
  • One of the two molds is connected and driven by the opening and closing mold cylinder to close or separate the two molds, and the two molds are respectively driven by the synchronous intermittent transmission device.
  • the transmission, the synchronous intermittent transmission includes an indexing plate and a synchronous motor, and intermittent movement.
  • the above-mentioned opening and closing mold cylinder and synchronous motor are all intelligently controlled by the electric control box program.
  • the temperature, pressure, materials, speed and the like of the invention are digitally intelligently controlled by the electric control box, and fully automated.
  • the furnace material is heated and softened and then extruded into a bar material, which is added into the vacuum melting furnace.
  • the heating is carried out to the furnace in the case of isolation of the atmosphere, which reduces the oxidation of the alloy and reduces the pollution of heavy metals to the air. .
  • the inert gas input with pressure regulation is designed to continuously press the molten metal into the mold under pressure.
  • the rotating movable mold and the flexible movable fixed mold continuously heat, shrink, vent, solidify the molten metal, and continuously produce castings. And protect the alloy melt from oxidation.
  • the concave and convex grooves of the casting are engraved to form a movable cavity, and the casting process is completed during the rotation process to satisfy the dimensions of each part of the casting, such as the four corners of the battery plate protruding, the thickness ratio is intermediate
  • the small ribs are thicker, which improves the corrosion resistance and prolongs the service life. 5, can achieve high-speed production of 20-30 meters per minute, through pressure casting, forced cooling and solidification, the casting molecular structure is dense, high product quality, good consistency, but also reduce labor intensity, reduce energy consumption, and save costs.
  • Figure 1 is a front view showing the structure of the present invention
  • Figure 2 is a plan view of the structure of the present invention.
  • FIG. 3 is a schematic structural view of a rotating movable mold and an active fixed mold embodiment 1 according to the present invention
  • FIG. 4 is a schematic structural view of a rotating movable mold and a movable fixed mold according to the present invention
  • Figure 5 is a plan view showing the structure of the rotating movable mold and the movable fixed mold embodiment 2 of the present invention
  • the closed feed vacuum melting cylindrical automatic die casting machine of the present invention is equipped with a motor power 18, a rotary movable die 1 and a movable stationary die 34, a rotary movable die 1 and a movable stationary die 34 on a frame.
  • the concave and convex grooves 22 corresponding to the shape of the casting are engraved on the upper surface, and the concave and convex grooves of the rotating movable mold 1 and the concave and convex grooves of the movable fixed mold 34 are combined to form a casting cavity, and the motor power 18 is connected to the transmission rotating movable mold 1 and At the same time, the vacuum mold 3, the heat preservation oil tank 14, the charge press 8, the hydraulic oil tank 12, the hydraulic pump 21 and the push rod 13 are installed beside the rack, and the charge press 8 is also installed.
  • the heating device 9 is installed, and the vacuum melting furnace is further provided with a charge inlet 7, an alloy liquid output pipe 4 and an inert gas inlet pipe 6, the alloy liquid output pipe 4 is connected to the metal liquid head 27, and the metal liquid head 27 is mounted on the casting mold.
  • the heat preservation oil output pipe of the heat preservation oil tank 14 is connected to the heat insulation oil pump 16, and the output end of the heat preservation oil pump 16 is connected to the inner cavity of the rotary movable mold 1 and the inner cavity of the movable fixed mold 34 through the oil pipe and the rotary oil nozzle joint 2, and is rotated.
  • the rotating nozzle joint 2 on the other side of the mold and the movable fixed mold is connected to the heat insulating oil return pipe 15.
  • the above-mentioned rotary movable mold 1 is a cylindrical structure or a polygonal structure
  • the movable fixed mold 34 is a flexible steel belt mold structure or a polygonal structure on a roller.
  • the above-mentioned rotary movable mold 1 has a plurality of transmission teeth 24 on both sides, and the movable fixed mold 34 has drive transmission holes 23 corresponding thereto on both sides.
  • An alloy liquid stirring and slag removing machine 5 is installed in the above vacuum melting furnace.
  • the outermost layer of the above-mentioned charge extruder and vacuum melting furnace is an insulation layer 10.
  • the observation hole 19 and the safety device 20 are mounted on the above vacuum melting furnace.
  • the above-mentioned movable fixed mold or rotary movable mold is connected with an opening and closing mold cylinder 31, and the opening and closing mold cylinder 31 is fixedly mounted on the frame.
  • the above-mentioned movable fixed mold and rotary movable mold end are respectively fixed with an indexing plate 32, and the indexing plate is connected and driven by a synchronous motor.
  • a discharge blade 28 is attached below the rotary movable mold.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

一种封闭加料真空熔炼圆筒式全自动压铸机，在机架上安装电机动力（18）、旋转动模（1）和活动定模（34）。旋转动模的凹凸槽（22）与活动定模的凹凸槽合起来构成铸件模腔。机架旁设置有真空熔炼炉（3）、保温油油箱（14）、炉料挤压机（8）、液压油箱（12）、液压泵（21）和推杆（13）。炉料挤压机上安装有加热装置（9），真空熔炼炉上安装有炉料入口（7）、合金液输出管（4）和惰性气体输入管（6）。合金液输出管连接金属液射头（27）。保温油油箱的保温油输出管与旋转动模内腔和活动定模内腔连通。该全自动压铸机能避免合金液的氧化及合金液对空气的污染，提高生产效率和产品质量，降低生产成本和能耗。

Description

封闭加料真空熔炼圆筒式全自动压铸机
技术领域
本发明涉及一种铸造设备， 具体涉及一种封闭加料真空熔炼圆筒式全自 动压铸机， 广泛应用于各种有色金属铸件， 特别是小于 5Kg有色金属铸件及 铅酸蓄电池正负极板的铸造。
背景技术
目前的压铸机有卧式、 立式两种， 均采用敞开熔炼、 浇注的结构设计， 有色金属铸件特别是铅酸蓄电池极板在敞开熔炼浇注的过程中合金液容易 氧化， 而且重金属对空气产生很大的污染， 影响人们的身体健康， 这种传统 敞开熔炼、浇注方式生产效率低， 劳动强度大， 生产成本高， 产品一致性差， 质量得不到保障。
发明内容
本发明所要解决的技术问题是： 解决上述现有技术存在的问题， 而提供 一种封闭加料真空熔炼圆筒式全自动压铸机， 避免合金液的氧化及对空气的 污染， 提高生产效率和产品质量， 降低生产成本和能耗，减轻工人劳动强度。
本发明采用的技术方案是：
一种封闭加料真空熔炼圆筒式全自动压铸机， 在机架上安装电机动力、 旋转动模和活动定模， 旋转动模和活动定模上都刻有与铸件形状对应的凹凸 槽， 旋转动模的凹凸槽与活动定模的凹凸槽两者合起来构成铸件模腔， 电机 动力连接传动旋转动模和活动定模，与此同时，机架旁还安装有真空熔炼炉、 保温油油箱、 炉料挤压机、 液压油箱、 液压泵和推杆， 炉料挤压机上还安装 有加热装置， 真空熔炼炉上还安装有炉料入口、 合金液输出管和惰性气体输 入管， 合金液输出管连接金属液射头， 金属液射头安装在铸件模腔上方， 保 温油油箱的保温油输出管连接连通保温油油泵， 保温油油泵输出端通过油 管、 旋转油嘴接头与旋转动模内腔和活动定模内腔连通， 旋转动模与活动定 模另一侧的旋转油嘴接头与保温油回油管连接连通。
上述技术方案中， 所述的旋转动模为圆筒结构或多边形结构， 所述的活 动定模为滚轮上套柔性钢带模结构或多边形结构。
上述技术方案中， 所述的旋转动模两边具有多个传动齿， 而活动定模两 边则具有与之对应的传动定位孔。
上述技术方案中， 所述的真空熔炼炉内安装有合金液搅拌拨渣机。
上述技术方案中， 所述的炉料挤压机和真空熔炼炉最外层为保温层。 上述技术方案中， 所述的真空熔炼炉上安装有观察孔和安全装置。
上述技术方案中， 所述的活动定模或旋转动模连接有开合模油缸， 开合 模油缸安装固定在机架上。
上述技术方案中， 所述的活动定模和旋转动模端部分别安装固定分度 盘， 分度盘由同步电机连接传动。
上述技术方案中， 所述的旋转动模下方安装有出料铲刀。
本发明将合金锭炉料由液压泵推杆推入炉料挤压机内， 并在炉料挤压机 内通过加热装置加热到柔软状态， 液压泵推杆将柔软的合金锭炉料通过炉料 入口挤压成圆棒， 挤入真空熔炼炉内进行熔炼， 真空熔炼炉内装有合金液搅 拌拨渣机并边熔炼边进行搅拌、定时拨渣， 将渣拨入封闭的出闸口， 浇注时， 在真空熔炼炉内送入可调压力的惰性气体， 适当的压力将金属液通过合金液 输出管、 金属液射头注入由旋转动模和活动定模组合而成的模腔内， 按序补 缩、 凝固， 形成铸件。 薄形铸件由圆筒形旋转动模与柔性钢带活动定模同步 旋转成型， 并由下部的冷风冷却， 出料铲刀铲出， 旋转动模两边具有的多个 传动齿在旋转时压入柔性钢带活动定模的传动定位孔内， 类似传统相机的胶 带传动结构， 这样能使两模合模准确， 不产生错位， 生产出高质量的理想薄 形铸件。 但对于厚度超过 2毫米的铸件， 旋转动模和活动定模则采用多边形 结构， 两模中有一模由开合模油缸连接传动， 使两模靠拢或分开， 而且两模 分别由同步间歇传动装置传动， 所述同步间歇传动装置包括分度盘和同步电 机， 间歇运动。上述开合模油缸和同步电机都由电控箱程序智能控制， 此外， 本发明的温度、 压力、 用料、 速度等均由电控箱进行数字智能控制， 实现全 自动化。
本发明的显著特点：
1、 采用封闭加料， 炉料加热软化后挤成棒料， 加入真空熔炼炉内， 从 加热到进熔炉都是在隔离大气的情况下进行的， 减免了合金的氧化， 减少了 重金属对空气的污染。 保护了环境和人们的身体健康。
2、 设计有调压的惰性气体输入， 使金属液在压力下连续压入模具中， 旋转动模和柔性活动定模连续将金属液进行保温、 补缩、 排气、 凝固， 连续 生产铸件， 并保护合金熔液不产生氧化。
3、 对于厚的铸件， 设计成多边形滚轮及模具， 间歇运转， 程序控制开 合模与顶出产品， 连续生产各种铸件。
4、 在旋转动模、 柔性活动定模上都刻有铸件凹凸槽， 形成活动的模腔， 在旋转过程中完成铸造工艺，满足铸件各部尺寸，如蓄电池极板四边框凸出， 厚度比中间小筋条厚， 提高了耐腐能力， 延长了使用寿命。 5、 能实现每分钟 20-30米高速生产， 通过压力浇铸， 强制冷却凝固， 使 铸件分子结构致密， 产品质量高， 一致性好， 而且减轻了劳动强度， 降低了 能耗， 节约了成本。
附图说明
图 1为本发明结构主视图；
图 2为本发明结构俯视图；
图 3为本发明旋转动模、 活动定模实施例 1结构示意图；
图 4为本发明旋转动模、 活动定模实施例 2结构示意图；
图 5为本发明旋转动模、 活动定模实施例 2结构俯视图；
附图标注说明：
1-旋转动模， 2-旋转油嘴接头， 3-真空熔炼炉， 4-合金液输出管， 5-合金 液搅拌拨渣机， 6-惰性气体输入管， 7-炉料入口， 8-炉料挤压机， 9-加热装置， 10-保温层， 11-合金锭炉料， 12-液压油箱， 13-推杆， 14-保温油油箱， 15-保 温油回油管， 16-保温油油泵， 17-测温装置， 18-电机动力， 19-观察孔， 20- 安全装置， 21-液压泵， 22-凹凸槽， 23-传动定位孔， 24-传动齿， 25-柔性钢 带模， 26-滚轮， 27-金属液射头， 28-出料铲刀， 29-多边形活动定模， 30-多 边形旋转动模， 31-开合模油缸， 32-分度盘， 33-铸件模形， 34-活动定模。 具体实施方式
参见图 1-图 5， 本发明的封闭加料真空熔炼圆筒式全自动压铸机， 在机 架上安装电机动力 18、 旋转动模 1和活动定模 34， 旋转动模 1和活动定模 34上都刻有与铸件形状对应的凹凸槽 22， 旋转动模 1 的凹凸槽与活动定模 34的凹凸槽两者合起来构成铸件模腔， 电机动力 18连接传动旋转动模 1和 活动定模 34， 与此同时， 机架旁还安装有真空熔炼炉 3、 保温油油箱 14、 炉 料挤压机 8、 液压油箱 12、 液压泵 21和推杆 13， 炉料挤压机 8上还安装有 加热装置 9， 真空熔炼炉上还安装有炉料入口 7、 合金液输出管 4和惰性气 体输入管 6， 合金液输出管 4连接金属液射头 27， 金属液射头 27安装在铸 件模腔上方， 保温油油箱 14的保温油输出管连接连通保温油油泵 16， 保温 油油泵 16输出端通过油管、 旋转油嘴接头 2与旋转动模 1 内腔和活动定模 34内腔连通，旋转动模与活动定模另一侧的旋转油嘴接头 2与保温油回油管 15连接连通。
上述的旋转动模 1为圆筒结构或多边形结构， 所述的活动定模 34为滚 轮上套柔性钢带模结构或多边形结构。
上述的旋转动模 1两边具有多个传动齿 24， 而活动定模 34两边则具有 与之对应的传动定位孔 23。
上述的真空熔炼炉内安装有合金液搅拌拨渣机 5。
上述的炉料挤压机和真空熔炼炉最外层为保温层 10。
上述的真空熔炼炉上安装有观察孔 19和安全装置 20。
上述的活动定模或旋转动模连接有开合模油缸 31， 开合模油缸 31安装 固定在机架上。
上述的活动定模和旋转动模端部分别安装固定分度盘 32，分度盘由同步 电机连接传动。
上述的旋转动模下方安装有出料铲刀 28。

Claims

权 利 要 求
1、 一种封闭加料真空熔炼圆筒式全自动压铸机， 其特征在于： 在机架 上安装电机动力、 旋转动模和活动定模， 旋转动模和活动定模上都刻有与铸 件形状对应的凹凸槽， 旋转动模的凹凸槽与活动定模的凹凸槽两者合起来构 成铸件模腔， 电机动力连接传动旋转动模和活动定模， 与此同时， 机架旁还 安装有真空熔炼炉、 保温油油箱、 炉料挤压机、 液压油箱、 液压泵和推杆， 炉料挤压机上还安装有加热装置， 真空熔炼炉上还安装有炉料入口、 合金液 输出管和惰性气体输入管， 合金液输出管连接金属液射头， 金属液射头安装 在铸件模腔上方， 保温油油箱的保温油输出管连接连通保温油油泵， 保温油 油泵输出端通过油管、 旋转油嘴接头与旋转动模内腔和活动定模内腔连通， 旋转动模与活动定模另一侧的旋转油嘴接头与保温油回油管连接连通。
2、 根据权利要求 1 所述的封闭加料真空熔炼圆筒式全自动压铸机， 其 特征在于： 所述的旋转动模为圆筒结构或多边形结构， 所述的活动定模为滚 轮上套柔性钢带模结构或多边形结构。
3、 根据权利要求 1 所述的封闭加料真空熔炼圆筒式全自动压铸机， 其 特征在于： 所述的旋转动模两边具有多个传动齿， 而活动定模两边则具有与 之对应的传动定位孔。
4、 根据权利要求 1 所述的封闭加料真空熔炼圆筒式全自动压铸机， 其 特征在于： 所述的真空熔炼炉内安装有合金液搅拌拨渣机。
5、 根据权利要求 1 所述的封闭加料真空熔炼圆筒式全自动压铸机， 其 特征在于： 所述的炉料挤压机和真空熔炼炉最外层为保温层。
6、 根据权利要求 1 所述的封闭加料真空熔炼圆筒式全自动压铸机， 其 特征在于： 所述的真空熔炼炉上安装有观察孔和安全装置。
7、 根据权利要求 1 所述的封闭加料真空熔炼圆筒式全自动压铸机， 其 特征在于： 所述的活动定模或旋转动模连接有开合模油缸， 开合模油缸安装 固定在机架上。
8、 根据权利要求 1 所述的封闭加料真空熔炼圆筒式全自动压铸机， 其 特征在于： 所述的活动定模和旋转动模端部分别安装固定分度盘， 分度盘由 同步电机连接传动。
9、 根据权利要求 1 所述的封闭加料真空熔炼圆筒式全自动压铸机， 其 特征在于： 所述的旋转动模下方安装有出料铲刀。
PCT/CN2012/087484 2012-11-06 2012-12-26 封闭加料真空熔炼圆筒式全自动压铸机 WO2014071672A1 (zh)

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