CN1972786A - 使用含有可旋转砧的旋转切割单元的切割方法 - Google Patents

使用含有可旋转砧的旋转切割单元的切割方法 Download PDF

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CN1972786A
CN1972786A CNA2005800203950A CN200580020395A CN1972786A CN 1972786 A CN1972786 A CN 1972786A CN A2005800203950 A CNA2005800203950 A CN A2005800203950A CN 200580020395 A CN200580020395 A CN 200580020395A CN 1972786 A CN1972786 A CN 1972786A
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anvil
cutter
load
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CN100556629C (zh
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吉尔伯特·格勒尼耶
德克·哈斯特
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Hebborn Materials And Technology Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/34—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/40—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a rotary member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628—Means for adjusting the position of the cutting member
    • B26D7/265—Journals, bearings or supports for positioning rollers or cylinders relatively to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/20—Cutting beds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628—Means for adjusting the position of the cutting member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/384—Cutting-out; Stamping-out using rotating drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/20—Cutting beds
    • B26D2007/202—Rollers or cylinders being pivoted during operation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/04—Processes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/483—With cooperating rotary cutter or backup
    • Y10T83/4833—Cooperating tool axes adjustable relative to each other
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/483—With cooperating rotary cutter or backup
    • Y10T83/4838—With anvil backup
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/768—Rotatable disc tool pair or tool and carrier
    • Y10T83/7809—Tool pair comprises rotatable tools
    • Y10T83/7851—Tool pair comprises disc and cylindrical anvil
    • Y10T83/7855—With adjustable means to urge tool elements together
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9309—Anvil
    • Y10T83/9312—Rotatable type

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Details Of Cutting Devices (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

一种旋转切割单元，包括位于可旋转砧上方的旋转刀具。所述砧包括轴；至少一个砧部分，适于与旋转刀具的刀元件配合；一对载荷传递部分，适于邻接在所述旋转刀具的一对邻接元件上。所述载荷传递部分设置在所述砧部分的每一侧上。载荷接收元件设置在每个载荷传递部分和砧部分之间。每个载荷接收元件由轴承连接在所述轴上。流体缸对载荷接收元件施加向上的力，其中总的向上的力超过砧的重量。

Description

使用含有可旋转砧的旋转切割单元的切割方法
技术领域
本发明涉及一种用于旋转切割单元的可旋转的砧，所述可旋转的砧包括轴，适于与旋转刀具的刀元件配合的至少一个砧部分，和适于邻接在所述旋转刀具的一对邻接元件上的一对载荷传递部分，所述的一对载荷传递部分设置在所述砧部分的每一侧上。
本发明还涉及旋转切割单元，所述单元包括旋转刀具和这种可旋转的砧。
背景技术
这样的旋转切割单元从美国专利文件US-B-6244 148中可获知，且该旋转切割单元包括与旋转砧处于运转关系的旋转刀具。旋转刀具设置为基本上圆柱体，所述圆柱体具有圆柱形切割表面和至少一个从该表面上凸出的刀元件。所述刀元件的径向外围部件的直径比所述表面的直径大。旋转刀具的每一侧上设置有由轴承支承的轴。在轴和表面(即所述表面的每一侧上)之间，设置有一对环形邻接元件。邻接元件的直径比所述表面的直径大，目的是允许将邻接元件靠在砧的一对载荷接收部分上。
砧设置有砧部分和所述一对载荷接收部分。砧部分适于与旋转切割辊的刀元件配合，而载荷接收部分适于与所述旋转刀具的所述邻接元件相邻接。如砧在轴向延伸所看的一样，砧被支承轴承上，所述轴承处于砧部分的外面和载荷承受部分的外面。
此外，邻接元件的直径基本上与所述刀元件的径向外围部件的直径相同。邻接元件适于平靠并传递载荷，从而将预定压力施加到砧的载荷接收部分上，以实现所希望的切割特性。任选地，所述邻接元件还可将旋转切割辊的旋转传递到所述砧的表面，从而所述邻接元件的旋转方向与所述旋转刀具的旋转方向相反。
产品从辊之间的连接板上被导入并由中间设置的刀元件进行切割。
但是，所描述的旋转刀具具有如下缺点：旋转切割辊的轴中间的刀元件部分不能如靠近轴外边缘处的刀元件部分那样进行精确地切割。此缺点是由于旋转切割辊通过邻接元件施加一压力到砧表面的事实而引起砧弯曲。该现象在如图6中所示，其示出了对应于公开在美国专利文件US-A-6 244 148中的砧的现有技术砧的原理。一对载荷接收部分B设置在砧部分C的轴向延伸的各自的侧面上，而用于与轴承共同工作的一对环状支承表面D设置在所述一对载荷接收部分B的任一侧面上。当载荷E施加到载荷接收部分上时，由于表面D上即轴承上的反向力G的原因，砧A的中间部分将如虚线F所示(夸张地)稍稍向下弯曲。该弯曲可表示为反向弯曲。
另一现有技术的旋转切割单元具有与旋转切割辊配合的砧，所述旋转切割辊并排设置有两个或多个刀元件。该旋转刀具不仅具有上述所述的缺点，而且由于其具有长的轴向延伸，所以使砧辊和旋转切割辊同样由于重力而弯曲，砧越长越重，则砧由于重力而越反向弯曲，所述现象将加入到所描述的效果中。
因此，在长的旋转刀具具上，与该砧配合的所使用的两个或三个平行的刀元件或一个大的刀元件将只在砧的边缘部分上具有可接受的切割特性，而靠近中间部分的刀元件不能够切割通过连接板进行切割的产品。
发明内容
本发明的目的是提高砧的可靠性和寿命。该目的可分别通过可旋转砧和旋转切割单元而实现，如最开始所说明的，其中载荷接收元件设置在所述一对载荷传递部分和所述砧部分之间，每个所述载荷接收元件通过轴承连接到轴上。
从而，当增加载荷时，旋转刀具和砧的所不希望的变形得到了补偿。
优选地，设置一个砧部分。从而实现通过选择内砧套元件的比率、砧的长度、旋转模设计和切割应用来确定砧正弯曲的大小。
可选择地，提供多个砧部分。从而实现根据多个刀元件的位置可将多个砧部分定位。
适宜地，所述旋转切割辊设置有至少一个中间设置的刀元件，其中所述砧辊设置有一个砧元件。从而实现弯曲相对于中心线对称。可选择地，所述旋转切割辊设置有多个轴向设置的刀元件，其中所述砧辊设置有一个砧元件。从而实现可确定正弯曲的大小。
可选择地，所述旋转切割辊设置有多个轴向设置的刀元件，其中所述砧辊设置有适于与所述轴向设置的刀元件的至少一个配合的多个砧元件。从而实现了将由于重力原因而产生的负挠曲降为最小，且因此增加了砧部分的总寿命。
附图说明
在下文中，将紧密地结合附图描述本发明，其中
图1示出了包括有旋转刀具和砧的旋转切割单元的第一实施例；
图2示出了根据本发明受到载荷作用的砧；
图3示出了根据第二实施例的旋转切割单元；
图4示出了根据第三实施例的旋转切割单元；
图5示出了根据第四实施例的旋转切割单元；及
图6示出了现有技术中受到载荷作用的砧。
具体实施方式
图1示出了根据本发明的旋转切割单元2的第一实施例。旋转刀具4设置有基本上圆柱状的中空体或实体6，所述中空体或实体6具有圆柱形表面8和至少一个从该表面8上凸出的刀元件10。所述刀元件10的径向外围部件12的直径比所述表面8的直径大。旋转刀具4设置在心轴14上或者是心轴14的整体组成部分，所述心轴14轴向地从旋转刀具4的每一侧处伸出并由轴承15支承。一对环形邻接元件16轴向地设置在所述表面8的每一侧上。邻接元件16的直径比所述表面8的直径大，目的是允许将邻接元件靠在砧18上。
砧18包括轴19，砧部分20和一对载荷传递部分22。砧部分20适于与旋转刀具6的刀元件10配合，而载荷传递部分22适于与旋转刀具6的所述邻接元件16的表面邻接。
此外，邻接元件16的直径基本上与所述刀元件10的径向外围部件12的直径相同。
轴19轴向地设置在砧部分20的每一侧上且可旋转地设置在轴承23内，每个轴承23均由非旋转的载荷接收元件24包围。载荷接收元件24轴向地设置在载荷传递部分22的里面，即每个载荷接收元件24轴向地位于砧部分20和每个载荷传递部分22之间。
向上载荷由一对气压缸25施加到载荷接收元件24上。所述载荷进一步通过载荷传递部分22被传递到邻接元件16上。
为了更好的了解本发明，在图2中的砧18具有比图1中示出的砧更大的轴向长度。向上载荷28通过载荷传递部分22传递到邻接元件16上，总的向上载荷将比砧的重量大，且足以引起砧18朝旋转刀具4弯曲，因此切割特性，特别是刀元件10轴向中间部分的切割特性得到了改善(例如，见图2)。当然，所述载荷在表面8上产生相反方向的力，所述力传递到轴承15从而产生力26。所述载荷使砧将如虚线30所示(夸张地)稍稍朝上弯曲。
由一对气压缸25所施加的载荷通过完成切割加工和检查切割结果进行调节。若切割结果不是所希望的，则增加或减小压力，直到在整个旋转刀具4和砧18长度上实现均匀切割。
事实上，在砧18是直的，即当虚线30为直的时，可实现最佳切割，因为邻接元件16和刀元件10在表面8之外凸出基本上相同的程度，且将沿着整个砧部分20上具有恒定的切割特性。
图3示出了旋转切割单元的第二实施例。砧和旋转刀具辊是长的，且更加受到重力影响，因此它们朝地面弯曲。但是，当载荷传递部分22在邻接元件16上施加压力时，砧18将朝旋转刀具6弯曲。因此，当调整所述压力使虚线30(见图2)变直时，在刀元件10的整个长度上，切割特性将基本相同。
因此，利用在载荷接收元件24上施加压力28，同样可使用这种设置在中央的刀元件。
可选择地，在长的旋转切割辊上的刀元件可基本上从切割辊的一侧延伸到另一侧，保持其切割特性。
图4示出了旋转切割单元2的第三实施例，所述旋转切割单元2具有旋转刀具6，所述旋转刀具6具有一对轴向分开设置的刀元件10。砧对应于所述刀元件被分成两个单独的砧部分20。
图5示出了第四实施例，根据该实施例，旋转刀具6设置有三个轴向相邻的刀元件10，而砧18只设置有一个砧部分20。利用该旋转刀具，可同时切割三个工件。当然，可平行设置少于三个或多于三个的刀元件。
当然，可使用仅一个或多于两个的气压缸25。可选择地或附加地，例如可采用液压缸或通过轴和楔(spindles and wedges)的机械加载。

Claims (9)

1.一种用于旋转切割单元的可旋转砧，包括：
轴；
至少一个砧部分，适于与旋转刀具的刀元件配合；
一对载荷传递部分，适于与所述旋转刀具的一对邻接元件邻接，且其设置成邻近所述至少一个砧部分的相应轴向端部；和
载荷接收元件，其轴向地设置在所述至少一个砧部分和相应的载荷传递部分之间，每个载荷接收元件由轴承连接到所述轴，其中所述轴相对于所述载荷接收元件是可旋转的。
2.根据权利要求1所述的可旋转砧，其中所述至少一个砧部分包括一个砧部分。
3.根据权利要求1所述的可旋转砧，其中所述至少一个砧部分包括多个轴向间隔开的砧部分。
4.一种旋转切割单元，包括旋转切割辊和可旋转砧，所述可旋转砧设置在旋转切割辊的下面；
所述切割辊包括至少一个刀元件，所述刀元件设置在一对轴向间隔开的邻接元件之间；
所述可旋转砧包括轴；至少一个砧部分，其相对所述至少一个刀元件设置；一对载荷传递部分，其邻接相应的所述邻接元件；载荷接收元件，其设置在所述至少一个砧部分和相应的所述载荷传递元件之间，每个所述载荷接收元件由轴承连接在所述轴上；和
载荷施加机构，其设置成向所述载荷接收元件施加可变的向上力。
5.根据权利要求4所述的旋转切割单元，其中所述至少一个刀元件包括设置在中心的刀元件，所述至少一个砧部分包括一个砧部分。
6.根据权利要求4所述的旋转切割单元，其中所述至少一个刀元件包括多个轴向间隔开的刀元件，且所述至少一个砧部分包括多个轴向间隔开的砧部分。
7.根据权利要求4所述的旋转切割单元，其中所述至少一个刀元件包括多个轴向间隔开的刀元件，且所述至少一个砧部分包括一个砧部分。
8.根据权利要求4所述的可旋转切割单元，其中所述载荷施加机构包括流体致动缸，所述流体致动缸与相应的载荷接收元件接合。
9.一种采用旋转切割单元的切割方法，所述旋转切割单元包括旋转切割辊和可旋转砧，所述可旋转砧设置在旋转切割辊的下面，所述切割辊安装有刀具结构；其中被切割的产品从所述刀具结构和所述砧的砧部分之间经过；所述切割辊包括轴向间隔的邻接元件，其与所述砧的相应的轴向间隔的载荷传递元件相接合；所述砧包括轴向间隔的载荷接收元件，其轴向地设置在所述砧部分和相应的载荷传递元件之间，所述方法包括在切割操作过程中对每个所述载荷接收元件施加向上的力的步骤，其中总的所述向上的力超过所述砧的重量。
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