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    • 2. 发明申请
    • METHOD AND APPARATUS FOR DEEP-DRAWING A TRAY FROM SHEET MATERIAL
    • 方法和装置从板材中深入一张纸盘
    • WO2016059516A1
    • 2016-04-21
    • PCT/IB2015/057700
    • 2015-10-08
    • STORA ENSO OYJ
    • RÄSÄNEN, JariNEVALAINEN, KimmoLINDELL, HenryTANNINEN, PanuMATTHEWS, SamiHILTUNEN, MariKYLLIAINEN, Outi
    • B29C51/08B31B1/25B31B43/00B65D1/26B31F1/00B32B38/12
    • B31F1/0077B31B1/25B31B50/592B31B70/00B31B2160/10B31B2201/223B31B2201/25B31B2203/084B65D1/26B65D1/34
    • The invention relates to a method and anapparatus for deep-drawing a tray(1) froma blank ofsheet material(2).The blank is provided with score lines, which determine the location of wrinkles formed in the process.The apparatuscomprises a female moulding tool(3), which comprises a cavity(7)for forming the tray bot- tom outwardly,a male moulding tool(4), which comprises a plunger(11)for form- ing the tray bottom inwardly, the plunger being movable with respect to the cavity for forming the tray, andclamps(6, 15)with an interface for holding the sheet ma- terial and forming a tray rim flange. According to the inventionby laterally distanc- ingat least one ofthe moulding tools (3, 4) from the sheet material leeway is pro- vided for free forming so that wrinklingof the tray side wallsis achieved in a con- trolled manner.Spacer plates (13) may be positioned behind the plunger (11), to adjust its position in relation to thecavity (7) of thefemale moulding tool (3). The cavity may have a separate bottom plate(8)and spacer plates(9)therebelow, or screw means may be provided foradjusting the distance ofthe bottom of the cavi- ty fromthe clamp interfaceand thereby varying the depth of the tray.
    • 本发明涉及一种用于从片材材料(2)的坯料深拉一个托盘(1)的方法和装置。该坯件设有刻痕线,其确定在该过程中形成的皱纹的位置。该装置包括一个母模具 (3),其包括用于向外形成托盘的空腔(7),阳模制工具(4),其包括用于向内形成托盘底部的柱塞(11),柱塞可相对于 到用于形成托盘的空腔,以及用于夹持材料的接口的夹具(6,15),并形成托盘边缘凸缘。 根据本发明,通过横向分离,至少一个来自片材余料的成型工具(3,4)被提供用于自由成形,从而以受控的方式实现了托盘侧壁的起皱。隔板(13) 可以位于柱塞(11)的后面,以调节其相对于女性成型工具(3)的凹部(7)的位置。 空腔可以在其下方具有单独的底板(8)和间隔板(9),或者可以提供螺旋装置用于调整空腔底部与夹具接口的距离,从而改变托盘的深度。
    • 3. 发明申请
    • METHOD AND APPARATUS FOR DEEP-DRAWING A TRAY FROM SHEET MATERIAL
    • 方法和装置从板材中深入一张纸盘
    • WO2015063643A1
    • 2015-05-07
    • PCT/IB2014/065410
    • 2014-10-17
    • STORA ENSO OYJ
    • RÄSÄNEN, JariLINDELL, HenryNEVALAINEN, KimmoTANNINEN, PanuMATTHEWS, SamiHILTUNEN, Mari
    • B65D1/26B29C51/08B31F1/00B32B38/12
    • B31F1/0077B29C51/08B29C51/082B29C51/145B29C51/30B29C51/306B29K2105/256B29K2995/0067B29K2995/0069B29L2009/005B29L2031/712B31B50/592B31B2110/20B31F1/00
    • The invention relates to a method and an apparatus for deep-drawing a tray (1) from fiber-based sheet material (2), such as polymer coated board. The apparatus comprises a female moulding tool (3), which comprises a cavity (7) for forming the tray bottom outwardly, a male moulding tool (4), which comprises a plunger plate (11) for forming the tray bottom inwardly, the plunger plate being movable with respect to the cavity for forming the tray, and clamps (6, 15) with an interface for holding the sheet material and forming a tray rim flange. According to the invention by laterally distancing at least one of the moulding tools (3, 4) from the sheet material leeway is provided for free forming of the tray side walls while wrinkling or tearing of the same is avoided. Spacer plates (13) may be positioned behind the plunger plate (11), to adjust its position in relation to the cavity (7) of the female moulding tool (3). The cavity may have a separate bottom plate (8) and spacer plates (9) there below, or screw means may be provided for adjusting the distance of the bottom of the cavity from the clamp interface and thereby varying the depth of the tray.
    • 本发明涉及一种用于从诸如聚合物涂布板的纤维基片材(2)深拉一个托盘(1)的方法和装置。 该装置包括一个阴模成型工具(3),它包括用于向外形成托盘底部的空腔(7),一个阳模制工具(4),其包括用于向内形成托盘底部的柱塞板(11) 板可相对于用于形成托盘的空腔移动,以及具有用于保持片材的界面的夹具(6,15),并形成托盘边缘凸缘。 根据本发明,通过横向间距将片材材料余料中的至少一个模制工具(3,4)设置成用于托盘侧壁的自由形成,同时避免了其起皱或撕裂。 间隔板(13)可以位于柱塞板(11)的后面,以调节其相对于阴模塑工具(3)的空腔(7)的位置。 空腔可以在其下方具有单独的底板(8)和间隔板(9),或者可以设置螺旋装置用于调节空腔的底部与夹紧界面的距离,从而改变托盘的深度。