CN219634594U - 用于将条带施加至滚筒的施加单元 - Google Patents

用于将条带施加至滚筒的施加单元 Download PDF

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CN219634594U
CN219634594U CN202320059550.5U CN202320059550U CN219634594U CN 219634594 U CN219634594 U CN 219634594U CN 202320059550 U CN202320059550 U CN 202320059550U CN 219634594 U CN219634594 U CN 219634594U
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cutting blade
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G·J·C·范拉尔
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VMI Holland BV
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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
    • B26D1/14—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 circular cutting member, e.g. disc cutter
    • B26D1/157—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 circular cutting member, e.g. disc cutter rotating about a movable axis
    • B26D1/1575—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 circular cutting member, e.g. disc cutter rotating about a movable axis for thin material, e.g. for sheets, strips or the like
    • 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
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/10—Making cuts of other than simple rectilinear form
    • B26D3/11—Making cuts of other than simple rectilinear form to obtain pieces of spiral or helical form
    • 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
    • B26D1/14—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 circular cutting member, e.g. disc cutter
    • B26D1/157—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 circular cutting member, e.g. disc cutter rotating about a movable axis
    • B26D1/16—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 circular cutting member, e.g. disc cutter rotating about a movable axis mounted on a movable arm or the like
    • B26D1/165—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 circular cutting member, e.g. disc cutter rotating about a movable axis mounted on a movable arm or the like for thin material, e.g. for sheets, strips or the like
    • 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
    • B26D1/14—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 circular cutting member, e.g. disc cutter
    • B26D1/157—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 circular cutting member, e.g. disc cutter rotating about a movable axis
    • B26D1/18—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 circular cutting member, e.g. disc cutter rotating about a movable axis mounted on a movable carriage
    • B26D1/185—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 circular cutting member, e.g. disc cutter rotating about a movable axis mounted on a movable carriage for thin material, e.g. for sheets, strips or the like
    • 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
    • B26D7/0006—Means for guiding the cutter
    • 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
    • B26D7/01—Means for holding or positioning work
    • B26D7/018—Holding the work by suction
    • 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
    • B26D7/08—Means for treating work or cutting member to facilitate cutting
    • B26D7/088—Means for treating work or cutting member to facilitate cutting by cleaning or lubricating
    • 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
    • B26D7/204—Anvil rollers
    • 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
    • B26D7/2635—Means for adjusting the position of the cutting member for circular cutters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/24—Drums
    • B29D30/242—Drums for manufacturing substantially cylindrical tyre components without cores or beads, e.g. treads or belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/28—Rolling-down or pressing-down the layers in the building process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/30—Applying the layers; Guiding or stretching the layers during application
    • B29D30/3007—Applying the layers; Guiding or stretching the layers during application by feeding a sheet perpendicular to the drum axis and joining the ends to form an annular element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/30—Applying the layers; Guiding or stretching the layers during application
    • B29D30/3028—Applying the layers; Guiding or stretching the layers during application by feeding a continuous band and winding it helically, i.e. the band is fed while being advanced along the drum axis, to form an annular element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
    • B29D30/30—Applying the layers; Guiding or stretching the layers during application
    • B29D2030/3064—Details, accessories and auxiliary operations not otherwise provided for
    • B29D2030/3078—Details, accessories and auxiliary operations not otherwise provided for the layers being applied being substantially continuous, i.e. not being cut before the application step
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/38—Textile inserts, e.g. cord or canvas layers, for tyres; Treatment of inserts prior to building the tyre
    • B29D30/46—Cutting textile inserts to required shape
    • B29D2030/463—Holding the textile inserts during cutting; means therefor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Manufacturing & Machinery (AREA)
  • Tyre Moulding (AREA)
  • Details Of Cutting Devices (AREA)

Abstract

本实用新型涉及一种用于将条带施加至滚筒的施加单元，其中，施加单元包括施加辊和切割器，其中，切割器包括切割刀片，其中，施加单元还包括定位在切割刀片旁边的刮刀，用于从所述切割刀片刮掉条带。

Description

用于将条带施加至滚筒的施加单元
本申请是申请日为2022年2月16日、申请号为202220315375.7、发明创造名称为“用于将条带施加至滚筒的施加单元”的专利申请的分案申请。
技术领域
本实用新型涉及用于将条带施加至滚筒、具体是条带卷绕滚筒的施加单元。
背景技术
WO 81/00691A1公开了一种将用于将诸如轮胎和类似物的环形主体卷绕在滚筒上的胶带自动地钉住、施加、压合然后切断的胶带施加设备。该设备包括施加辊和防止施加辊进一步旋转的制动构件。滚筒被控制旋转较小的量以拉伸压合辊与施加辊之间的胶带，直到胶带通过胶带的一个自由端悬垂在施加滚筒上而切断以便下一次施加至滚筒，并且胶带的另一个自由端被压合辊压合至滚筒。
实用新型内容
已知的胶带施加装置的缺点是在切断期间胶带的行为是不可预测的并且可能导致不均匀的前端和后端。拉伸还可能局部地削弱胶带的材料，这使得在下一个施加周期期间难以将悬垂自由端准确地施加至滚筒。
本实用新型的目的是提供一种用于将轮胎部件施加至滚筒、具体是条带卷绕的滚筒的施加单元，其中，可以解决上述缺点中的至少一个。
本实用新型提供了一种用于将条带施加到滚筒的施加单元，其中，施加单元包括施加辊和切割器，其中，切割器包括切割刀片，其中，施加单元还包括定位在切割刀片旁边的刮刀，用于从所述切割刀片刮掉条带。刮刀可以防止可能仍然发粘的条带粘在切割刀片的一侧并在其旋转期间与所述切割刀片一起被拉动。
在优选实施例中，所述切割刀片能绕切割刀片轴线旋转，其中，所述刮刀定位在沿着所述切割刀片轴线的轴向方向上的所述切割刀片的一个侧向侧处。
在另一实施例中，所述刮刀定位在所述切割刀片的其中所述切割刀片首先切入所述条带的一侧。因此，最初形成的前端的尖端从切割刀片被刮掉并保持在施加辊上。
在另一实施例中，所述刮刀设有至少部分圆形的刮擦体，所述刮擦体形成面向所述施加辊的至少部分圆形的刮擦边缘。
优选地，所述至少部分圆形的刮擦边缘相对于切割刀片轴线偏心地延伸。因此，刮擦边缘可有利地朝向其中前端的末端倾向于沿着切割刀片被向上拉动的位置。
在另一实施例中，所述切割刀片为单斜角型，其中所述切割刀片的一侧的斜角背离所述刮刀。因此，刮刀可以尽可能靠近切割刀片的平坦侧定位。
附图说明
将基于附图中示出的示例性实施例来阐明描述本实用新型，附图中：
图1示出了根据本实用新型第一示例性实施例的具有施加辊和切割器的施加单元的等距视图；
图2示出了施加辊的展开的周向区段的俯视图；
图3示出了具有辊体和内部构件的施加辊的分解图；
图4A－4H示出了包括根据图1的施加单元的轮胎成型装置在用于将条施加至滚筒的方法的步骤期间的侧视图；
图5示出了根据本实用新型第二示例性实施例的具有施加辊和切割器的替代施加单元的等距视图；
图6A和6B示出了另一个替代的施加单元，这种施加单元与前述施加单元的不同之处在于施加单元还包括在沿着切割刀片轴线的轴向方向上的切割刀片的一个侧向侧处的刮刀。
具体实施方式
图4A－4H示出了轮胎成型装置1，该装置用于在滚筒8上形成轮胎部件(未示出)，具体地是在条带卷绕的滚筒上。在条带卷绕期间，连续长度的条带9围绕滚筒8的卷绕多个圈以形成轮胎部件，即胎面。通常，滚筒8可绕滚筒轴线D旋转并且同时平行于其滚筒轴线D横穿，从而接纳呈并排关系的多个圈。
根据本实用新型的轮胎成型装置1包括用于向滚筒8供应条带9的供料器10，即输送机，用于将条带9施加至滚筒8的施加单元2和用于压合条带9的一个或多个压合辊7。
图1更详细地示出了根据本实用新型的第一示例性实施例的施加单元2。施加单元2包括用于将条带9施加至滚筒8的施加辊3和用于将条带9切割成一定长度的切割器5。优选地，施加辊3和切割器5布置在或安装在共同的结构、框架或基部20上。因此，施加单元2可以作为一个整体运动，同时可以维持施加辊3和切割器5之间的相对位置。施加辊3包括辊体40，该辊体可绕辊轴线R旋转，以沿垂直于所述辊轴线R的施加方向A将条带9施加至滚筒8。辊体40是环形的，即圈形。辊体40具有面向外的周向表面41。施加辊3还包括多个保持元件42，这些保持元件沿围绕辊轴线R的周向方向C分布在所述辊体40上。在该示例性实施例中，多个保持元件42由真空或抽吸开口形成。抽吸开口形成为径向延伸穿过辊体40的通孔。
如图2所示，多个保持元件42根据图案E、F分布在辊体40上。在该示例中，图案包括平行于辊轴线R延伸的多个行E。多个行E沿围绕所述辊轴线R的周向方向C相互间隔开。在该具体示例中，图案的每一行E中的保持元件42也沿周向方向C布置在多个列F中以达到矩阵状图案。优选地，每个行E包括多个保持元件42中的至少三个保持元件42。
如图3最佳所示，施加辊3还包括同心地位于辊体40内的内部构件30。辊体40可围绕内部构件30旋转。辊体40可沿两个方向旋转，即沿施加方向A以及沿与所述施加方向A相反的方向。内部构件30优选地在辊体40旋转期间保持静止。换言之，内部构件30相对于辊轴线R处于固定的角度位置。可选地，可提供一些装置来调节或微调内部构件30围绕辊轴线R的角度位置，即，具有一些狭槽和合适的紧固件。内部构件30形成、限定和/或包括沿周向方向C顺序布置的第一腔室31、第二腔室32和第三腔室33，它们构造成或布置成分别与辊体40的第一周向区段S1和第二周向区段S2空气连通。第二腔室32位于围绕辊轴线R的固定角度位置，该位置对应于用于将条带9的前端LE转移至滚筒8的吹离位置Z。第一腔室31和第三腔室33相对于施加方向A分别位于第二腔室32的上游和下游。
第一腔室31和第二腔室32通过第一分隔壁34沿周向方向C彼此分隔开。类似地，第二腔室32和第三腔室32通过第二分隔壁35沿周向方向C彼此分隔开。
第一腔室31、第二腔室32和第三腔室33单独地连接至压缩空气源或部分真空源。因此，腔室31－33中的一个或多个可以选择性地、单独地和/或同时地通过辊体40的相应周向区段S1－S3中的抽吸开口42产生抽吸。类似地，腔室31－33中的一个或多个可以选择性地、单独地和/或同时地连接于压缩空气源，以将条带9从辊体40的相应周向区段S1－S3中的抽吸开口42吹离。
如图1所示，切割器5包括切割刀片50。在该示例性实施例中，切割刀片50为圆形或圆盘形。圆盘刀片50可绕切割刀片轴线T旋转。切割器5还包括壳体51，该壳体保护切割刀片50以防止当操作者在切割器附近工作时受伤。仅切割刀片50的下部突出到壳体51之外。切割刀片50和/或其壳体51安装在保持件52上。保持件52可沿着导轨53沿平行于辊轴线R的侧向方向L运动，从而允许切割刀片50沿所述侧向方向L相对于和/或横跨施加辊3运动。
保持器52设计成以刀片角度B保持切割刀片50，该刀片角度优选地相对于径向或垂直于辊轴线R延伸的中性平面N是非直角或倾斜的。在本实用新型的上下文中，“刀片角度”B是切割刀片B在其中延伸的主表面或主平面与中性平面N之间的角度。或者，刀片角度B可对应于切割刀片轴线T和辊轴线R之间的角度。
可以选择刀片角度B，使得切割刀片50如图1所示在中性平面N的一侧延伸，或者在中性平面N的相对侧延伸，即改变前端LE和后端TE的方向。
在该示例性实施例中，保持件52形成为刚性块，除了用替代保持件替换保持件52之外，没有任何手段来调整刀片角度B。然而，可以设想，保持件52可替代地构造成用于调节刀片角度B，即通过手动调节的机械装置或经由遥控致动器(未示出)。例如，图5示出了根据本实用新型的第二示例性实施例的替代施加单元102，其与先前讨论的施加单元2的不同之处在于切割刀片50的刀片角度B可相对于保持件152围绕调节轴线G进行调节。具体地，切割器105包括壳体151，该壳体围绕调节轴线G铰接地连接于所述保持件152，以将切割刀片50的刀片角度B设置在实线所示的位置和虚线所示的相对位置之间。
切割器5还包括切割高度调节构件54，以调节切割刀片50相对于施加辊3的高度。切割高度调节构件54还可允许切割刀片50遵循辊体40的周向表面41中的高度变化，即当所述周向表面41略微隆起时。切割高度调节构件54例如可以是气筒，当切割刀片50沿侧向方向L横跨周向表面41运动时，该气筒可以被轻微压缩。
如图1所示，施加单元2还包括用于使辊体40围绕辊轴线R旋转的旋转驱动器21和用于在切割刀片50和施加辊3之间沿侧向方向L产生相对位移的线性或侧向驱动器22。在该示例性实施例中，侧向驱动器22构造成使切割刀片50沿侧向方向L横跨施加辊3运动。具体地，侧向驱动器22直接接合到保持件52上和/或驱动保持件52。侧向驱动器22可包括心轴23，该心轴可以将旋转转换成切割刀片50沿侧向方向L或平行于侧向方向L的线性运动。
替代地，侧向驱动器可布置成使施加辊3相对于切割刀片50沿侧向方向L运动。
如图1示意性所示，施加单元2还包括控制单元6，该控制单元电子地和/或操作地连接于旋转驱动器21和侧向驱动器22。控制单元6被适配、构造、编程和/或布置成用于控制辊体40围绕辊轴线R的旋转以及切割刀片50和施加辊3之间沿侧向方向L的相对位移。当同时控制辊体40的旋转和切割刀片50与施加辊3之间的相对位移时，控制单元6可以使切割刀片50沿绕辊轴线R的螺旋切割路径P在辊体40的周向表面41上运动，如图2和图3所示。
如图2最佳所示，螺旋切割路径P与中性平面N成倾斜路径角度H。倾斜路径角度H优选地在十度到八十度之间的范围内选择。
当沿着螺旋切割路径P切割条带9时，条带9可能在切割期间粘附至切割刀片50并且可能不经意地与切割刀片50一起被拉动。当条带9的材料相对柔软、发粘或薄时，可能发生这种情况。为了防止这种现象，刀片角度B可有意地相对于螺旋切割路径P偏移相对较小的偏移角度K。偏移角度K优选地在零至十度的范围内。偏移角度K将允许条带9的材料在切割期间更容易地从切割刀片50上松脱。
可以设想，当倾斜路径角度H非常小或非常大，即接近十度或接近八十度时，偏移可能导致切割刀片50以零或九十度的刀片角度B延伸至中性平面N。因此，切割刀片50可平行于中性平面N或垂直于所述中性平面N，同时仍沿着螺旋切割路径P运动。
或者，刀片角度B和倾斜路径角度H可以相同，即切割刀片50可与螺旋切割路径P对准。
如图2所示，螺旋切割路径P开始于切割刀片50首先与施加辊3的辊体40相交的相交位置X。控制单元6构造成用于确定辊体40围绕辊轴线R的角度位置，即通过使用来自旋转驱动器21的校准和/或位置数据或通过使用编码器(未示出)。控制单元6可以使用该信息来预测和/或预先确定在切割刀片50和施加辊3之间沿侧向方向L的相对位移的特定开始时间，交点X将在辊体40的周缘上的什么位置。换言之，控制单元6可以为沿侧向方向L的相对位移安排时间，以控制相交位置X在辊体40的周缘上的预定位置。此外，当刀片角度B可调节时，所述刀片角度B可在切割之前设置和/或在切割期间改变。
具体地，控制单元6可为沿侧向方向L相对于多个保持元件42的相对位移安排时间，使得从所述预定相交位置X开始的螺旋切割路径P避开靠近螺旋切割路径P的多个保持元件42的所有保持元件42或位于辊体41的螺旋切割路径P所延伸通过的周向区段内的多个保持元件42的所有保持元件42延伸。
如图2所示，螺旋切割路径P延伸穿过多个行E中的四个行E，同时避开所述四个行E中的多个保持元件42延伸。本领域技术人员将理解，在时间上可能存在小的公差，这将导致替代的螺旋切割路径P’、P”仍然避开相应行E中的保持元件42延伸。此外，倾斜路径角度H可在上述公差内稍有不同，而螺旋切割路径P不与任何一个保持元件42相交。
如图3所示，第一分隔壁34平行于或基本上平行于辊轴线R延伸，并且第二分隔壁35平行于或基本上平行于螺旋切割路径P延伸。
下文将参照图4A－4H描述使用前述轮胎成型装置1，具体地是其施加单元2将条带9施加到滚筒8的方法。
图4A示出了条带9由供料器10供应给施加单元2的情况。切割刀片50在施加辊3的侧面和/或上方缩回到待机位置。前端LE已通过在该方法的先前循环期间切断条带9的先前长度(未示出)而产生。或者，前端LE可通过在该方法的第一循环开始时切断全新条带9的废料长度来产生。前端LE定位在施加辊3上，位于与第一腔室31和第二腔室32相关联的周向区段的顶上或铺在其上。第一腔室31和第二腔室32连接于部分真空源以将前端LE和条带9的主体通过抽吸保持在所述前端LE上游，即在所述第一腔室31和所述第二腔室32的位置处。第三腔室33未加压或“闲置”以防止空气通过未被条带9覆盖的抽吸开口泄漏。滚筒8是空的并准备好接纳收条带9的圈。
图4B示出了施加单元2朝向滚筒1运动以将前端LE施加滚筒8的周向表面的情况。第一腔室31和第二腔室32保持部分真空。在该示例中，压合辊7同时朝向滚筒8运动。替代地，压合辊7可在已经施加前端LE之后朝向滚筒8运动。
图4C示出了第二腔室32与部分真空源切换或断开并替代地连接于压缩空气源的情况。换言之，第二腔室32以大于环境压力的压力被加压。施加辊3的辊体中的与第二腔室32连通的抽吸开口现在可以有效地吹离前端LE，从而将所述前端LE从施加辊3转移到滚筒8上。
图4D示出了施加辊3的辊体围绕辊轴线R以角速度V旋转以使条9的前端LE沿施加方向A朝向滚筒8前进和/或转移的情况。当条带通过施加辊3转移到滚筒8上时，滚筒8旋转以接纳条带9。一旦前端LE已经远离施加辊3运动，第二腔室32就可再次连接于部分真空源，以与第一腔室31一起沿着与所述腔室31、32相关联的周向区段将条带主体保持于施加辊3。因为已经施加和转移了前端LE，所以施加单元2现在可以沿远离滚筒8的方向缩回，从而不干扰压合辊7的操作。
注意，在图4D中，切割刀片50可被带入到施用辊3的周向表面旁边和/或水平面处的活动位置中，准备切割。
图4E示出了滚筒8已经进一步旋转以承受带9的几个或多个圈，即形成轮胎部件(未示出)的一层或多层的情况。施加辊3保持沿相同方向旋转，优选地以相同或恒定的角速度V旋转。当轮胎布件已经接近完成并且最后一圈将施加至滚筒8时，以上述方式同时控制施加辊3和切割器5沿着螺旋切割路径运动，如图2所示。在切割之前，该方法还可包括以下步骤：确定辊体围绕辊轴线R的角度位置；并且为前述的相对位移安排时间以控制螺旋切割路径P的相交位置X。第一腔室31和第二腔室32保持连接于部分真空源，以在切割期间将条带9可靠地保持于施加辊3的周向表面。
图4F示出了当切割器5已经完成切割并且切割刀片50远离施加辊3的周向表面运动时的情况。在该示例中，切割刀片50从施加辊3升起并在施加辊3上方返回到其待机位置。该切割在条带9中产生了新的前端LE和后端TE。后端TE是条带9的切断长度的一部分，这部分作为最终圈的一部分尚未转移到滚筒8上以完成轮胎部件。新的前端LE在施加辊3处准备用于该方法的下一个循环。第一腔室31和第二腔室32保持连接于部分真空源以保持新的前端LE。
图4G示出了施加辊3沿相同方向进一步旋转，优选地以相同或恒定的角速度V旋转以将条带9的切断长度的后端TE供应给滚筒8的情况。作为所述进一步旋转的结果，条带9的新前端LE变得位于施加辊3的辊体的与第三腔室33相关联的周向区段的顶上或沿着该周向区段。第三腔室33现在也连接于部分真空源，以在第三腔室33的位置处将条带9的前端有效地保持于施加辊3。
图4H示出了施加辊3的辊体反转以将新前端LE缩回至吹离位置Z的情况，即进入其中新前端LE位于与第二腔室32相关联的周向区段顶上或沿着周向区段的位置的情况。第三腔室33现在可再次与部分真空源断开。滚筒8上的卷绕已经完成。因此，可缩回压合辊7。
注意图4H的情况对应于图4A的情况。当轮胎部件从滚筒8移除时，可开始该方法的新循环。
在如图4D、4E和4F所示的步骤期间，施加辊3的辊体可沿相同方向和/或以恒定或基本上恒定的角速度V连续旋转，从而允许施加单元2在运动或“飞行中”时切割条带9。这可防止所述前端LE和后端TE在切割之前、期间或之后的拉伸或其他过度变形。
图6A和6B示出了另一个替代的施加单元202，这种施加单元与前述施加单元2、102的不同之处在于施加单元202还包括在沿着切割刀片轴线T的轴向方向上的切割刀片250的一个侧向侧处的刮刀255。刮刀255沿着切割刀片250定位，以防止可能仍然发粘的条带9粘在切割刀片250的一侧并在其旋转期间与所述切割刀片250一起被拉动。具体地，刮刀255定位在切割刀片250的其中切割刀片250首先切入条带9的一侧，使得最初形成的前端LE的尖端从切割刀片250被刮掉并保持在施加辊3上。如图6B中最佳所示，刮刀255设有至少部分圆形的刮擦体256，该刮擦体256形成面向施加辊3的至少部分圆形的刮擦边缘257。在该示例中，至少部分圆形的刮擦边缘257相对于切割刀片轴线T偏心地延伸，从而有利于前端TE的末端倾向于沿着切割刀片250被向上拉动的位置。
如图6A所示，为了使刮刀255尽可能靠近切割刀片250，切割刀片250为单斜角型，其中切割刀片250的一侧的斜角背离刮刀255，与图2的双斜面或V形切割刀片50形成对比。因此，刮刀255可以尽可能靠近切割刀片250的平坦侧定位。
将理解的是，以上描述被包含以示出优选实施例的操作，而不意于限制本实用新型的范围。根据以上讨论，对于本领域技术人员来说，许多变化将是显而易见的，这些变化仍将包含在本实用新型的范围内。
附图标记列表
1轮胎成型装置
10供料器
2施加单元
20基部
21旋转驱动器
22侧向驱动器
23心轴
3施加辊
30内部构件
31第一腔室
32第二腔室
33第三腔室
34第一分隔壁
35第二分隔壁
40辊体
41周向表面
42保持元件
5切割器
50切割刀片
51壳体
52保持件
53轨道
54切割高度调节构件
6 控制单元
7 压合辊
8 滚筒
9 条带
102 替代施加单元
105 切割器
151 壳体
152 保持件
202 另一个替代施加单元
205 切割器
250 切割刀片
255 刮刀
256 刮擦体
257 刮擦边缘
A施加方向
B刀片角度
C周向方向
D滚筒轴线
E行
F列
G调节轴线
H倾斜路径角度
K偏移
L侧向方向
N中性表面
LE前端
TE后端
P螺旋切割路径
R辊轴线
S1第一周向区段
S2第二周向区段
S3第三周向区段
T切割刀片轴线
X相交位置
V角速度
Z吹离位置

Claims (6)

1.用于将条带施加至滚筒的施加单元，其特征在于，所述施加单元包括施加辊和切割器，其中，所述切割器包括切割刀片，其中，所述施加单元还包括定位在所述切割刀片旁边的刮刀，用于从所述切割刀片刮掉条带。
2.根据权利要求1所述的施加单元，其特征在于，所述切割刀片能绕切割刀片轴线旋转，其中，所述刮刀定位在沿着所述切割刀片轴线的轴向方向上的所述切割刀片的一个侧向侧处。
3.根据权利要求1所述的施加单元，其特征在于，所述刮刀定位在所述切割刀片的其中所述切割刀片首先切入所述条带的一侧。
4.根据权利要求1所述的施加单元，其特征在于，所述刮刀设有至少部分圆形的刮擦体，所述刮擦体形成面向所述施加辊的至少部分圆形的刮擦边缘。
5.根据权利要求4所述的施加单元，其特征在于，所述至少部分圆形的刮擦边缘相对于切割刀片轴线偏心地延伸。
6.根据权利要求1所述的施加单元，其特征在于，所述切割刀片为单斜角型，其中所述切割刀片的一侧的斜角背离所述刮刀。
CN202320059550.5U 2021-02-16 2022-02-16 用于将条带施加至滚筒的施加单元 Active CN219634594U (zh)

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