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    • 4. 发明公开
      EP0121297A1 Continuous extrusion of metals 有权
    • Continuous extrusion of metals
    • Kontinueierliches Strangpressen von Metallen。
    • EP0121297A1
    • 1984-10-10
    • EP84300548.9
    • 1984-01-30
    • MB GROUP PLC
    • East, John , Maxwell, Ian
    • B21C23/02 , B21C31/00 , B22D11/06
    • B21C23/005 , B21C29/00 , B21C31/00 , B21C35/02 , Y10S425/806 , Y10T29/49861 , Y10T29/49893 , Y10T82/10 , Y10T82/17
    • A continuous extrusion machine, in which feedstock is admitted (at 50) to a peripheral groove (12) in a rotating wheel (10), is enclosed in that groove by a cooperating shoe (24), and is frictionally dragged along the arcuate passageway (48) formed by said groove and a projecting portion (30) of said shoe towards an abutment (36) carried by the shoe. The pressure in the metal in front of the abutment continuously extrudes a metal product through a die (42). The abutmenttip and adjacent wheel parts disposed downstream of the abutment are cooled directly by a jet of cooling fluid issuing from a nozzle (64) carried downstream on the shoe. An annular band (Figure 2, 74) of a good thermally-conductive metal embedded concentrically in the wheel enhances the cooling obtained.
      Flash (68) extruded through clearance gaps (32, 34) between cooperating wheel and shoe surfaces is intercepted and broken off periodically, in short lengths, by teeth 70 projecting from the wheel.
      The radial depth of the passageway (48) progressively decreases in the direction of wheel rotation in a zone extending upstream from the abutment (36), so as to improve in that zone, in the case of particulate or comminuted feedstock, the metal flow pattern adjacent the abutment, such feedstock in that zone being in a fully compacted condition without voids. This is achieved by the shaping of a surface (40A) of a die block (40) which adjoins the abutment (36) and incorporates the die member (42). That shaping produces with particulate or comminuted feedstock a metal flow pattern closely resembling that achievable with feedstock in solid form.
      A continuous extrusion product (Figure 5, 102) issuing from a continuous extrusion apparatus (Figure 1, 10; Figure 5, 100) is threaded through a treatment die (104) whereby to change its cross-section, and is continuously drawn therethrough by a tensioning device (106,112) underthe control of a system which (a) senses the temperature of the product (102) as it leaves the extrusion apparatus (100); (b) converts a temperature signal (120) so produced, in a function generator (124), into a tension reference signal (126); (c) compares with that tension reference signal a tension feedback signal (116) derived from a sensor (118) adjacentthe extrusion apparatus; and (d) controls the tensioning device in accordance with the difference of the tension reference and feedback signals so as to prevent the sensed tension in the product extending between the extrusion apparatus (100) and the treatment die (104) from exceeding a safe value which is less than the yield stress tension of that product at the sensed temperature.
    • 一种连续挤出机，其中进料（在50处）到旋转轮（10）中的周边槽（12），通过协作的鞋（24）封闭在该凹槽中，并且沿着弓形通道 （48）和所述鞋的突出部分（30）朝向由鞋承载的支座（36）。 在基台前面的金属中的压力连续地通过模具（42）挤压金属制品。 设置在邻接部下游的邻接端部和相邻的车轮部件直接由从鞋子下游承载的喷嘴（64）发出的冷却流体喷射冷却。 同心地嵌入车轮中的良好的导热金属的环形带（74）增强了获得的冷却。 通过配合轮和靴表面之间的间隙（32,34）挤出的闪光（68）通过从轮突出的齿70周期性地短暂地断开和断开。 通道（48）的径向深度在从邻接物（36）上游延伸的区域中的轮的旋转方向上逐渐减小，以便在颗粒或粉碎原料的情况下在该区域改善金属流动模式 邻近基台，该区域中的这种原料处于没有空隙的完全压实状态。 这通过使邻接邻接件（36）并且包括模具构件（42）的模具块（40）的表面（40A）成形而实现。 该成型产生的颗粒或粉碎的原料金属流动模式非常类似于以固体形式的原料可实现的。 从连续挤出设备（10; 100）发出的连续挤出产品（102）穿过处理模具（104），从而改变其横截面，并通过下面的张紧装置（106,112）连续地从其中拉出 （a）在离开挤压设备（100）时感测产品（102）的温度的系统的控制; （b）将在功能发生器（124）中如此产生的温度信号（120）转换成张力参考信号（126）; （c）将所述张力参考信号与从所述挤出装置相邻的传感器（118）获得的张力反馈信号（116）进行比较; 和（d）根据张力参考和反馈信号的差异来控制张紧装置，以防止在挤压设备（100）和处理模具（104）之间延伸的产品中感测到的张力超过安全值 其小于该产品在感测温度下的屈服应力张力。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 6. 发明公开
      EP0121296A1 Continuous extrusion of metals 有权
    • Continuous extrusion of metals
    • 连续挤压金属
    • EP0121296A1
    • 1984-10-10
    • EP84300547.1
    • 1984-01-30
    • MB GROUP PLC
    • East, John , Maxwell, Ian
    • B21C23/02 , B21C31/00 , B22D11/06 , B22D11/16
    • B21C23/005 , B21C29/00 , B21C31/00 , B21C35/02 , Y10S425/806 , Y10T29/49861 , Y10T29/49893 , Y10T82/10 , Y10T82/17
    • A continuous extrusion machine, in which feedstock is admitted (at 50) to a peripheral groove (12) in a rotating wheel (10), is enclosed in that groove by a cooperating shoe (24), and is frictionally dragged along the arcuate passageway (48) formed by said groove and a projecting portion (30) of said shoe towards an abutment (36) carried by the shoe. The pressure in the metal in front of the abutment continuously extrudes a metal product through a die (42). The abutmenttip and adjacent wheel parts disposed downstream of the abutment are cooled directly by a jet of cooling fluid issuing from a nozzle (64) carried downstream on the shoe. An annular band (Figure 2, 74) of a good thermally-conductive metal embedded concentrically in the wheel enhances the cooling obtained.
      Flash (68) extruded through clearance gaps (32, 34) between cooperating wheel and shoe surfaces is intercepted and broken off periodically, in short lengths, by teeth 70 projecting from the wheel.
      The radial depth of the passageway (48) progressively decreases in the direction of wheel rotation in a zone extending upstream from the abutment (36), so as to improve in that zone, in the case of particulate or comminuted feedstock, the metal flow pattern adjacent the abutment, such feedstock in that zone being in a fully compacted condition without voids. This is achieved by the shaping of a surface (40A) of die block (40) which adjoins the abutment (36) and incorporates the die member (42). That shaping produces with particulate or comminuted feedstock a metal flow pattern closely resembling that achievable with feedstock in solid form.
      A continuous extrusion product (Figure 5, 102) issuing from a continuous extrusion apparatus (Figure 1, 10; Figure 5, 100) is threaded through a treatment die (104) whereby to change its cross-section, and is continuously drawn therethrough by a tensioning device (106,112) under the control of a system which (a) senses the temperature of the product (102) as it leaves the extrusion apparatus (100); (b) converts a temperature signal (120) so produced, in a function generator (124), into a tension reference signal (126); (c) compares with that tension reference signal a tension feedback signal (116) derived from a sensor (118) adjacent the extrusion apparatus; and (d) controls the tensioning device in accordance with the difference of the tension reference and feedback signals so as to prevent the sensed tension in the product extending between the extrusion apparatus (100) and the treatment die (104) from exceeding a safe value which is less than the yield stress tension of that product at the sensed temperature.
    • 原料进入旋转轮（10）中的周边槽（12）（在50处）的连续挤出机通过配合蹄（24）封闭在该槽中，并沿着弧形通道 （48）由所述凹槽和所述鞋的突出部分（30）朝向由所述鞋承载的抵接部（36）形成。 基台前方的金属压力通过模具（42）连续挤出金属产品。 布置在支座下游的支座和相邻的车轮部件通过从支承在鞋上的下游的喷嘴（64）发出的冷却流体射流直接冷却。 在车轮中同心嵌入的良好导热金属的环形带（图2,74）增强了获得的冷却。 通过配合的轮子和闸瓦表面之间的间隙（32,34）挤出的闪光（68）被从轮子上突出的齿70周期性地短暂地截断并断开。 通道（48）的径向深度在从基台（36）向上游延伸的区域中在轮子旋转方向上逐渐减小，从而在该区域中改善了在颗粒或粉碎原料的情况下金属流动模式 邻近基台，该区域中的这种原料处于完全压缩状态而没有空隙。 这通过邻接支座（36）并结合模具构件（42）的模块（40）的表面（40A）的成形来实现。 该成形工艺用颗粒或粉碎的原料产生与固体形式的原料非常相似的金属流动模式。 从连续挤出装置（图1,10;图5,100）出来的连续挤出产品（图5,102）穿过处理模具（104），由此改变其横截面，并且通过 （a）在其离开挤出设备（100）时感测产品（102）的温度的系统控制下的张紧装置（106,112）; （b）在函数发生器（124）中将如此产生的温度信号（120）转换成张力参考信号（126）; （c）与该张力参考信号比较来自与挤压设备相邻的传感器（118）的张力反馈信号（116）; （d）根据张力参考值和反馈信号的差值控制张紧装置，以防止在挤出设备（100）和处理模具（104）之间延伸的产品中的感测张力超过安全值 这小于该产品在感测温度下的屈服应力张力。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 7. 发明公开
      EP0121298A1 Continuous extrusion of metals 有权
    • Continuous extrusion of metals
    • 连续挤压金属
    • EP0121298A1
    • 1984-10-10
    • EP84300549.7
    • 1984-01-30
    • MB GROUP PLC
    • East, John , Maxwell, Ian
    • B22D11/06 , B22D11/12 , B22D31/00 , B24B9/04
    • B21C23/005 , B21C29/00 , B21C31/00 , B21C35/02 , Y10S425/806 , Y10T29/49861 , Y10T29/49893 , Y10T82/10 , Y10T82/17
    • A continuous extrusion machine, in which feedstock is admitted (at 50) to a peripheral groove (12) in a rotating wheel (10), is enclosed in that groove by a cooperating shoe (24), and is frictionally dragged along the arcuate passageway (48) formed by said groove and a projecting portion (30) of said shoe towards an abutment (36) carried by the shoe. The pressure in the metal in front of the abutment continuously extrudes a metal product through a die (42). The abutmenttip and adjacent wheel parts disposed downstream of the abutment are cooled directly by a jet of cooling fluid issuing from a nozzle (64) carried downstream on the shoe. An annular band (Figure 2, 74) of a good thermally-conductive metal embedded concentrically in the wheel enhances the cooling obtained.
      Flash (68) extruded through clearance gaps (32, 34) between cooperating wheel and shoe surfaces is intercepted and broken off periodically, in short lengths, by teeth 70 projecting from the wheel.
      The radial depth of the passageway (48) progressively decreases in the direction of wheel rotation in a zone extending upstream from the abutment (36), so as to improve in that zone, in the case of particulate or comminuted feedstock, the metal flow pattern adjacent the abutment, such feedstock in that zone being in a fully compacted condition without voids. This is achieved by the shaping of a surface (40A) of die block (40) which adjoins the abutment (36) and incorporates the die member (42). That shaping produces with particulate or comminuted feedstock a metal flow pattern closely resembling that achievable with feedstock in solid form.
      A continuous extrusion product (Figure 5, 102) issuing from a continuous extrusion apparatus (Figure 1,10; Figure 5, 100) is threaded through a treatment die (104) whereby to change its cross-section, and is continuously drawn therethrough by a tensioning device (106,112) under the control of a system which (a) senses the temperature of the product (102) as it leaves the extrusion apparatus (100); (b) converts a temperature signal (120) so produced, in a function generator (124), into a tension reference signal (126); (c) compares with that tension reference signal a tension feedback signal (116) derived from a sensor (118) adjacentthe extrusion apparatus; and (d) controls the tensioning device in accordance with the difference of the tension reference and feedback signals so as to prevent the sensed tension in the product extending between the extrusion apparatus (100) and the treatment die (104) from exceeding a safe value which is less than the yield stress tension of that product at the sensed temperature.
    • 原料进入旋转轮（10）中的周边槽（12）（在50处）的连续挤出机通过配合蹄（24）封闭在该槽中，并沿着弧形通道 （48）由所述凹槽和所述鞋的突出部分（30）朝向由所述鞋承载的抵接部（36）形成。 基台前方的金属压力通过模具（42）连续挤出金属产品。 布置在支座下游的支座和相邻的车轮部件通过从支承在鞋上的下游的喷嘴（64）发出的冷却流体射流直接冷却。 在车轮中同心嵌入的良好导热金属的环形带（图2,74）增强了获得的冷却。 通过配合的轮子和闸瓦表面之间的间隙（32,34）挤出的闪光（68）被从轮子上突出的齿70周期性地短暂地截断并断开。 通道（48）的径向深度在从基台（36）向上游延伸的区域中在轮子旋转方向上逐渐减小，从而在该区域中改善了在颗粒或粉碎原料的情况下金属流动模式 邻近基台，该区域中的这种原料处于完全压缩状态而没有空隙。 这通过邻接支座（36）并结合模具构件（42）的模块（40）的表面（40A）的成形来实现。 该成形工艺用颗粒或粉碎的原料产生与固体形式的原料非常相似的金属流动模式。 将由连续挤出设备（图1,10;图5,100）发出的连续挤出产品（图5,102）穿过处理模具（104），由此改变其横截面并且通过 （a）在其离开挤出设备（100）时感测产品（102）的温度的系统控制下的张紧装置（106,112）; （b）在函数发生器（124）中将如此产生的温度信号（120）转换成张力参考信号（126）; （c）与该张力参考信号比较来自与挤压设备相邻的传感器（118）的张力反馈信号（116）; （d）根据张力参考值和反馈信号的差值控制张紧装置，以防止在挤出设备（100）和处理模具（104）之间延伸的产品中的感测张力超过安全值 这小于该产品在感测温度下的屈服应力张力。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 8. 发明公开
      EP0115951A1 Continuous extrusion of metals 有权
    • Continuous extrusion of metals
    • 金属的连续挤压。
    • EP0115951A1
    • 1984-08-15
    • EP84300546.3
    • 1984-01-30
    • MB GROUP PLC
    • East, John , Maxwell, Ian
    • B21C23/02 , B21C31/00 , B22D11/06 , B22D11/16
    • B21C23/005 , B21C29/00 , B21C31/00 , B21C35/02 , Y10S425/806 , Y10T29/49861 , Y10T29/49893 , Y10T82/10 , Y10T82/17
    • A continuous extrusion machine, in which feedstock is admitted (at 50) to a peripheral groove (12) in a rotating wheel (10), is enclosed in that groove by a cooperating shoe (24), and is frictionally dragged along the arcuate passageway (48) formed by said groove and a projecting portion (30) of said shoe towards an abutment (36) carried by thershoe. The pressure in the metal in front of the abutment continuously extrudes a metal product through a die (42). The abutment tip and adjacent wheel parts disposed downstream of the abutment are cooled directly by a jet of cooling fluid issuing from a nozzle (64) carried downstream on the shoe. An annular band (figure 2, 74) of a good thermally-conductive metal embedded concentrically in the wheel enhances the cooling obtained.
      Flash (68) extruded through clearance gaps (32, 34) between cooperating wheel and shoe surfaces is intercepted and broken off periodically, in short lengths, by teeth 70 projecting from the wheel.
      The radial depth of the passageway (48) progressively decreases in the direction of wheel rotation in a zone extending upstream from the abutment (36), so as to improve in that zone, in the case of particulate or comminuted feedstock, the metal flow pattern adjacent the abutment, such feedstock in that zone being in a fully compacted condition without voids. This is achieved by the shaping of a surface (40A) of a die block (40) which adjoins the abutment (36) and incorporates the die
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
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