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    • 2. 发明申请
    • APPARATUS FOR STRETCHING EXTRUDED PLASTIC STRIPS, FOR EXAMPLE OF POLYPROPYLENE OR OF POLYETHYLENE, FOR THE PRODUCTION OF STRAPS, RAFFIA OR OTHER TYPES OF STRIPS
    • 用于拉伸挤出塑料条的装置,用于聚丙烯或聚乙烯的实例用于生产条纹,拉条或其他类型的条带
    • WO2006067066A1
    • 2006-06-29
    • PCT/EP2005/056704
    • 2005-12-12
    • S.I.M.A. Società Industrie Meccaniche Affini a r.l.BOCCAFOGLI, Sergio
    • BOCCAFOGLI, Sergio
    • B29C55/06B29C35/06
    • B29C55/06B29C35/06B29C2035/046B29K2023/06B29K2023/12
    • The stretching oven (B), positioned between the upstream and downstream pulling groups (A, A'), is of a limited length, between 3000 and 4000 mm, for example about 3300 mm and is provided with suitable thermal insulation (32) against the exterior. Hot air is blown into the longitudinal treatment chamber (17) of said oven for plasticizing the strips that are to be stretched, with first opposite blowing mouths (25, 125) arranged at one end of the treatment chamber (17) of said oven, preferably at the door (16) where the strips to be treated enter, and with at least second opposite blowing mouths (27, 127) always operating in parallel flow in an intermediate portion of said treatment chamber, which at the other end, at the exit door (116), has two opposing pairs of suction mouths connected to fans (19, 119) which collect the hot air from said treatment chamber and send it to said blowing mouths (25, 125, 27, 127) through channels in which heating units (28, 128, 29, 129) are arranged, controlled selectively by suitable temperature sensors (30, 31, 130, 131) and by suitable regulating and controlling means.
    • 位于上游和下游牵引组(A,A')之间的拉伸炉(B)的长度限制在3000至4000mm之间,例如约3300mm,并且具有适当的隔热(32),抵抗 外观。 将热空气吹入所述烘箱的纵向处理室(17),以使待拉伸的条带塑化,其中布置在所述烤箱的处理室(17)的一端处的第一相对的吹口(25,125) 优选地在待处理的条带进入的门(16)处,并且至少第二相对的吹口(27,127)总是在所述处理室的中间部分中平行流动地操作,在另一端处于 出口门(116)具有连接到风扇(19,119)的两对相对的吸嘴,该风扇收集来自所述处理室的热空气,并通过其中的通道将所述吸入口发送到所述吹口(25,125,27,227) 加热单元(28,128,29,129)被布置成由适当的温度传感器(30,31,130,131)和适当的调节和控制装置选择性地控制。
    • 3. 发明申请
    • FIXTURE FOR A STRETCHING ASSEMBLY USED IN A PLASTIC MATERIAL STRIP STRETCHING OVEN
    • 用于塑料材料条带拉伸炉中的拉伸装置的装置
    • WO2007148216A3
    • 2008-02-21
    • PCT/IB2007001700
    • 2007-06-22
    • S I M A SOCIETA IND MECCANICHEBOCCAFOGLI SERGIO
    • BOCCAFOGLI SERGIO
    • B29C55/06
    • B29C55/06B29C35/02
    • A fixture (10) for a stretching assembly (20) used in a plastic material strip stretching oven (100. The stretching assembly (20) contemplates: - two pillars (MT) which support a shaft (22), presenting a longitudinal symmetry axis (a), on which a cylindrical stretching bar (21) is keyed; and - a driving unit adapted to rotate a shaft (22) about the axis (a) according to an arrow (R). The fixture (10) comprises a second stretching bar (30) presenting a rounded tip (CP). The second stretching bar (30) is fixable to the pillars (MT) by means of two blocks (TSl) easy to assemble/disassemble. In use, the second stretching bar (30) fasces the first stretching bar (21), which is never removed from the two pillars (MT), regardless of the type of strip to be subjected to stretching.
    • 一种用于拉伸组件(20)的固定装置(10),用于塑料材料条拉伸炉(100)。拉伸组件(20)设想: - 支撑轴(22)的两个支柱(MT),呈现纵向对称轴线 (a),其上键合有圆柱形拉伸杆(21);以及 - 驱动单元,其适于根据箭头(R)绕轴线(a)旋转轴(22),所述固定装置(10)包括: 第二拉伸杆(30),其具有圆形末端(CP),第二拉伸杆(30)通过易于组装/拆卸的两个块(TS1)固定到支柱(MT)上,在使用中,第二拉伸杆 (30)使得不会从两个柱(MT)中去除的第一拉伸杆(21),而不管要进行拉伸的条带的类型。
    • 4. 发明申请
    • FIXTURE FOR A STRETCHING ASSEMBLY USED IN A PLASTIC MATERIAL STRIP STRETCHING OVEN
    • 用于塑料材料条带拉伸炉中的拉伸装置的装置
    • WO2007148216A2
    • 2007-12-27
    • PCT/IB2007/001700
    • 2007-06-22
    • S.I.M.A. SOCIETA' INDUSTRIE MECCANICHE AFFINI A R.L.BOCCAFOGLI, Sergio
    • BOCCAFOGLI, Sergio
    • B29C55/06
    • B29C55/06B29C35/02
    • A fixture (10) for a stretching assembly (20) used in a plastic material strip stretching oven (100. The stretching assembly (20) contemplates: - two pillars (MT) which support a shaft (22), presenting a longitudinal symmetry axis (a), on which a cylindrical stretching bar (21) is keyed; and - a driving unit adapted to rotate a shaft (22) about the axis (a) according to an arrow (R). The fixture (10) comprises a second stretching bar (30) presenting a rounded tip (CP). The second stretching bar (30) is fixable to the pillars (MT) by means of two blocks (TSl) easy to assemble/disassemble. In use, the second stretching bar (30) fasces the first stretching bar (21), which is never removed from the two pillars (MT), regardless of the type of strip to be subjected to stretching.
    • 一种用于拉伸组件(20)的固定装置(10),用于塑料材料条拉伸炉(100)。拉伸组件(20)设想: - 支撑轴(22)的两个支柱(MT),呈现纵向对称轴线 (a),其上键合有圆柱形拉伸杆(21);以及 - 驱动单元,其适于根据箭头(R)绕轴线(a)旋转轴(22),所述固定装置(10)包括: 第二拉伸杆(30),其具有圆形末端(CP),第二拉伸杆(30)通过易于组装/拆卸的两个块(TS1)固定到支柱(MT)上,在使用中,第二拉伸杆 (30)使得不会从两个柱(MT)中去除的第一拉伸杆(21),而不管要进行拉伸的条带的类型。
    • 5. 发明申请
    • APPARATUS, FOR PULLING OR DRAGGING PLASTIC STRIPS, FOR EXAMPLE OF POLYPROPYLENE OR OF POLYETHYLENE, FOR THE PRODUCTION OF STRAPS, RAFFIA OR OF OTHER TYPES OF STRIPS
    • 用于拉伸或拖延塑料条的设备,用于聚丙烯或聚乙烯的实例,用于生产条纹,RAFFIA或其他类型的条带
    • WO2006067065A1
    • 2006-06-29
    • PCT/EP2005/056703
    • 2005-12-12
    • S.I.M.A. SOCIETÀ INDUSTRIE MECCANICHE AFFINI A R.L.BOCCAFOGLI, Sergio
    • BOCCAFOGLI, Sergio
    • B29C55/06
    • B29C55/06
    • Each group (D') for pulling the strips (N) is formed from a set of three rollers, suitably motorized and positioned at the vertices of a triangle, for example an isosceles triangle, with the vertex inverted, at which the axis of the middle roller (1) is positioned, the diameter of which is greater than the sum of the diameters of the other two upper end rollers (2, 2'), so that the overall dimension (B) of the pulling group (D') does not substantially exceed the value of the diameter of said larger roller (1). For example, the middle roller (1) has a diameter between 500 and 800 mm, for example of about 650 mm, whereas the end rollers (2, 2') have an identical diameter of between 150 and 350 mm, for example of about 240 mm. The surface of linear contact with the strips, of the three rollers of the pulling group (D'), is about 2300 mm, as against 1500 mm of the known pulling groups that use three rollers of equal diameter of about 318 mm.
    • 用于拉动条(N)的每个组(D')由一组三个辊形成,该组三个辊适当地电动并定位在三角形的顶点,例如具有顶点反转的等腰三角形, 中间辊(1)被定位,其直径大于其它两个上端辊(2,2')的直径的总和,使得牵引组(D')的总体尺寸(B) 基本上不超过所述较大辊(1)的直径的值。 例如,中间辊(1)具有500至800mm之间的直径,例如约650mm,而端辊(2,2')具有150至350mm之间的相同直径,例如约为约 240毫米。 牵引组(D')的三个辊子与条的线性接触的表面约为2300mm,而对于使用相同直径为约318mm的三个辊的已知牵引组的1500mm。