CN1310064A - 筛网和制造这种筛网的工艺 - Google Patents
筛网和制造这种筛网的工艺 Download PDFInfo
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- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 claims 1
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 claims 1
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Abstract
本发明涉及一种平板型筛网或圆筒型筛网,所述筛网包含杆和杆轴承支承元件,其主要特征是:在杆1的侧壁上具有突起3,所述突起与支承元件2上形状相反的凹槽(4)啮合。本发明也涉及一种制造这种类型筛网的工序,其特征在于:弹性弯开支承元件2,将杆1插入,当支承元件恢复原状时,密实地环绕杆1,形成筛网。
Description
本发明涉及一种平板型或圆筒型筛网,所述筛网包括杆和杆轴承的支承元件。此外,本发明还涉及一种制造这种筛网的方法。
众所周知,有各种类型的筛网,例如WO98/14658介绍的筛网。在该专利文献中,一个筛网具有多个杆和支承元件,支承元件具有狭槽。在这种情况下,支承元件具有U型轮廓,这意味着这些杆中部分必须经历塑性变形,以便将杆紧固在支承元件上。德国专利DE4435538A1介绍了另一种筛网。在该专利文献中,也使用杆和杆轴承支承元件,由于支承元件的塑性变形,通过夹持,杆被紧固。此外,平板型筛网和圆筒型筛网(向心的或离心的)是众所周知的,通过焊接方式,将杆与支承元件连接在一起。然而,由于在焊接期间,一定大小的焊接应力被传递到元件上,导致整个筛网体扭曲变形,这种紧固方式具有一些缺陷。此外,由于在一定环境下,由于磨损,终于有一天,焊缝可能开始破裂,紧固效果不能永远保持。同时制造工序也相当复杂和耗时。同时在两个相邻的筛网杆之间,很难精确地确定支承宽度。
本发明的目的是提供一种筛网,杆和/或支承元件没有塑性变形,没有焊缝。此外,将研究用于这种类型的筛网的简单的制造工序。
本发明的特点在于,在杆的侧壁上具有突起(indentation),所述突起与支承元件上形状相反的凹槽啮合。因而,通过形成闭合,无须焊接或塑性变形,形成一种固定的连接。
本发明的一种优点是所述突起是圆形或椭圆形的,半径0.1mm<r<2mm。因而,能够将杆轻易地安装,而不引起支承元件出现塑性变形。同时制造成本低。杆可以轻易地被插入,圆形或椭圆形突起导致更加均匀的压力分布,使杆与支承元件形成良好的连接。
本发明的另一种优点是杆远离流动的端部和突起之间的距离h1至少是0.1mm<h1<6mm。这增强了杆的抗震能力。
本发明的另一种优点是在所述杆每个侧壁上,具有三个或更多的与各自凹槽对应的突起。这意味着可以获得一种牢固的闭合。
本发明的另一种方案是在所述杆的每个侧壁上的突起的数量不相等。因而,当发生单向湍流时,保证具有良好的紧固效果。
本发明的另一种方案是支承元件具有T型或I型。这种形状提供了一个更大的筛网区域。
本发明的一种良好结构是:杆的整体高度为H,插入支承元件内的高度为h,h与H之比最好大于0.5。这使杆更有效地抵抗流动力。
本发明的一种良好结构是:杆的底部与支承元件压在一起。这样在承受更大的力时,提供更好的稳定性。
本发明也涉及一种制造这种类型筛网的工序,其特征在于:弹性弯开支承元件,将杆插入,当支承元件恢复原状时,正向环绕杆,形成筛网。因而,在没有焊接或施压的情况下,筛网可以轻易地被形成,能够准确地定位杆,从而,获得小的间隙。
本发明的另一种更好的方案是筛网被卷曲在一起形成一个圆筒。
下文将结合附图对本发明进行详细的描述。图1显示了本发明的一种形式,图2显示了通过线Ⅱ-Ⅱ所作的剖视图。
图1显示了一种安装在支承元件2上的三个杆1的示例。图中显示,在右手杆1的两个侧壁上具有几个半径r为的突起3。支承元件包含形状完全相反的凹槽4,相对于筛网匡直径,具有必需的间隙距离,图1中显示,在每侧具有两个突起和两个凹槽。然而,如果有必要,每侧上可以有三个或更多的突起和凹槽。每侧上的突起数量可以不相等。这些突起的形状可以是圆形或椭圆形,半径为r,0.1mm<r<2mm。杆可以轻易地被插入,圆形或椭圆形突起产生均匀的压力分布,因而,杆与支承元件形成良好的固定连接。
图1所示,中间杆显示了杆的测量长度,所述杆的长度就是整体高度H。突起之间的距离为h1,其中0.1mm<h1<6mm,从杆1离开流动的端部到支承元件之间的距离为h1,杆1伸入支承元件的长度为h,h与H之比最好大于0.5。杆在远离流动的方向上的伸出部分可以与支承元件的表面5压在一起,以获得良好的紧固。如果支承元件被制成T型,可以使用这种方式。如果使用I型,不能和杆1压在一起。除了T型和I型之外,支承元件还可以被制成其它形状,例如正方形、矩形、具有圆角的正方形、具有圆角的矩形,在一个或几个角落形成所述圆角。支承元件2上用于夹持杆1的凹口可以具有间隙,所述间隙等于远离流动一侧的角度∝。筛网匡的圆柱型形状避免了支承元件2上出现塑性变形。
图2是一个通过图1中Ⅱ-Ⅱ线所做的横截面视图,此处,显示了一个T型的支承元件和一个杆1。在表面5上,如果需要,杆1可以与支承元件压在一起。杆和支承元件之间的连接基本上是肯定的,也就是说,没有单个元件的塑性变形或附加的连接,例如焊缝。可制造这种类型的筛网,即通过将杆和支承元件压在一起,直到到达锁定位置。另一种类型的制造是,弹性弯开支承元件,因而,用于杆的凹槽6扩展,插入杆1。当支承元件弹性返回原来的状态时,通过被夹持的杆,一个标准筛网被形成。由于上述的嵌入联结,该工序允许杆1精确地插入支承元件2,从而,降低了窄槽宽度偏差。如果这种标准筛网被形成一个筛网匡,由于当筛网被卷起时的弯曲曲率,夹持效果被进一步增加。将杆的突出端与支承元件2压在一起,进一步增加了筛网的稳定性。根据本发明,支承元件2可以被形成为具有突起6的环型,突起的尺寸比指定的小,也就是突起6比杆1的突起稍小。因此,所述环在一点被加工出缺口,将所述缺口弯开,使缺口能够将杆锁定。当环返回原始状态,它们被焊接在一起,形成一个匡。
本发明并不局限于上述示例。相反,杆1上的突起3可以被成型得尽可能的长,以便它们与支承元件上的形状相反的凹槽啮合。杆1也可以具有从矩形到三角形中的任何形状。
Claims (10)
1 平板或圆筒型筛网,包含杆和杆轴承支承元件,其特征在于:在杆(1)的侧壁上具有突起(3),所述突起与支承元件(2)上形状相反的凹槽(4)啮合。
2 一种根据权利要求1所述的筛网,其特征在于:所述突起(3)是圆形或椭圆形的,最好半径r取0.1mm<r<2mm。
3 一种根据权利要求1或2所述的筛网,其特征在于:杆(1)远离流动的端部和突起(3)之间的距离h1至少是0.1mm<h1<6mm。
4 一种根据权利要求1~3之一所述的筛网,其特征在于:在一个侧壁上,具有三个或更多的与各自凹槽(4)对应的突起(3)。
5 一种根据权利要求1~4之一所述的筛网,其特征在于:在所述杆(1)的两个侧壁上的突起(3)的数量不相等。
6 一种根据权利要求1~5之一所述的筛网,其特征在于:支承元件(2)为T型或I型。
7 一种根据权利要求1~6之一所述的筛网,其特征在于:杆(1)的整体高度为H,插入支承元件(2)内的高度为h,h与H之比最好大于0.5。
8 一种根据权利要求1~7之一所述的筛网,其特征在于:杆(1)的底部与支承元件(2)压在一起。
9 一种制造权利要求1~8之一所述筛网的工序,其特征在于:弹性弯开支承元件(2),将杆(1)插入,当支承元件(2)恢复原状时,密实地环绕杆(1),形成筛网。
10 一种根据权利要求9所述工序,其特征在于:筛网被卷曲在一起形成一个圆筒。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0016500A AT408773B (de) | 2000-02-03 | 2000-02-03 | Sieb und verfahren zur herstellung eines derartigen siebes |
ATA165/2000 | 2000-02-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1310064A true CN1310064A (zh) | 2001-08-29 |
CN1198675C CN1198675C (zh) | 2005-04-27 |
Family
ID=3653467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNB011119241A Expired - Fee Related CN1198675C (zh) | 2000-02-03 | 2001-02-02 | 筛网 |
Country Status (8)
Country | Link |
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US (2) | US6669025B2 (zh) |
EP (1) | EP1122359B1 (zh) |
CN (1) | CN1198675C (zh) |
AT (2) | AT408773B (zh) |
BR (1) | BR0100353A (zh) |
CA (1) | CA2332667A1 (zh) |
DE (1) | DE50106281D1 (zh) |
MX (1) | MXPA01001295A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107142771A (zh) * | 2017-05-31 | 2017-09-08 | 瑞安市金邦喷淋技术有限公司 | 造纸机的筛鼓 |
CN107142770A (zh) * | 2017-05-31 | 2017-09-08 | 瑞安市金邦喷淋技术有限公司 | 造纸机筛鼓的法兰盘与导流筛棒的连接结构 |
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US6915910B2 (en) * | 2001-04-16 | 2005-07-12 | J&L Fiber Services, Inc. | Screen cylinder and method |
US20050205486A1 (en) * | 2004-03-18 | 2005-09-22 | Jan Melin | Filter device |
EP1576996A1 (en) * | 2004-03-18 | 2005-09-21 | Hardi International A/S | A filter device |
FI117867B (fi) * | 2004-12-10 | 2007-03-30 | Metso Paper Inc | Lajitin ja menetelmä kuitumassan lajittelemiseksi |
DE102011078655A1 (de) * | 2011-07-05 | 2013-01-10 | Voith Patent Gmbh | Indikatorstab |
CN105879449B (zh) * | 2016-05-26 | 2018-02-06 | 江苏兴隆防腐设备有限公司 | 粗过滤釜 |
US20200147646A1 (en) * | 2017-07-20 | 2020-05-14 | Aqseptence Group Pty Ltd | A screen |
CN108637602B (zh) * | 2018-05-11 | 2020-10-23 | 航天材料及工艺研究所 | 一种大尺寸薄壁铝合金贮箱半球壳体成形方法 |
CN108555543B (zh) * | 2018-05-11 | 2020-08-14 | 航天材料及工艺研究所 | 一种铝合金贮箱半球壳体的成形方法 |
CN114985245B (zh) * | 2022-06-02 | 2023-04-07 | 赣州市光华有色金属有限公司 | 一种超细碳化钨粉加工用筛分装置 |
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US3053391A (en) | 1959-08-17 | 1962-09-11 | Bird Machine Co | Apparatus for screening |
SU606635A1 (ru) * | 1976-02-11 | 1978-05-15 | Государственный проектно-конструкторский институт "Гипромашуглеобогащение" | Грохот |
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DE3927748C2 (de) * | 1989-08-23 | 1994-03-10 | Voith Gmbh J M | Verfahren zum Herstellen eines Siebkorbes sowie nach diesem Verfahren hergestellter Siebkorb |
US5096127A (en) * | 1990-08-22 | 1992-03-17 | Ingersoll-Rand Company | Apparatus for pressurized screening of a fibrous material liquid suspension |
DE4104615A1 (de) * | 1991-02-15 | 1992-08-20 | Voith Gmbh J M | Siebkorb |
DE4135854A1 (de) | 1991-10-31 | 1993-05-06 | J.M. Voith Gmbh, 7920 Heidenheim, De | Sortierer |
EP0646199B1 (de) * | 1992-06-20 | 1996-12-11 | Hermann Finckh Maschinenfabrik GmbH & Co. | Drucksortierer für fasersuspensionen |
US5575395A (en) | 1994-07-15 | 1996-11-19 | A. Ahlstrom Corporation | Method and apparatus for screening fibrous suspensions |
DE4435538C2 (de) * | 1994-10-05 | 1996-10-02 | Voith Gmbh J M | Verfahren zur Herstellung eines Flachsiebes |
US5884774A (en) | 1996-03-11 | 1999-03-23 | Aikawa Iron Works Co., Ltd. | Papermaking screen |
SE507481C2 (sv) | 1996-05-02 | 1998-06-15 | Alfa Laval Ab | Anordning för separering av föroreningar från fibermassasuspensioner |
DE19635189C2 (de) * | 1996-08-30 | 1999-01-28 | Voith Sulzer Stoffaufbereitung | Verfahren zur Herstellung von Sieben |
SE511786C2 (sv) | 1998-03-06 | 1999-11-22 | Sunds Defibrator Ind Ab | Silanordning med två silkammare för separering av fibersuspensioner |
-
2000
- 2000-02-03 AT AT0016500A patent/AT408773B/de active
-
2001
- 2001-01-25 AT AT01101554T patent/ATE296377T1/de not_active IP Right Cessation
- 2001-01-25 EP EP01101554A patent/EP1122359B1/de not_active Expired - Lifetime
- 2001-01-25 DE DE50106281T patent/DE50106281D1/de not_active Expired - Fee Related
- 2001-01-29 CA CA002332667A patent/CA2332667A1/en not_active Abandoned
- 2001-02-02 US US09/776,194 patent/US6669025B2/en not_active Expired - Fee Related
- 2001-02-02 MX MXPA01001295A patent/MXPA01001295A/es not_active Application Discontinuation
- 2001-02-02 US US09/776,320 patent/US20010020600A1/en not_active Abandoned
- 2001-02-02 CN CNB011119241A patent/CN1198675C/zh not_active Expired - Fee Related
- 2001-02-05 BR BR0100353-4A patent/BR0100353A/pt not_active Application Discontinuation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107142771A (zh) * | 2017-05-31 | 2017-09-08 | 瑞安市金邦喷淋技术有限公司 | 造纸机的筛鼓 |
CN107142770A (zh) * | 2017-05-31 | 2017-09-08 | 瑞安市金邦喷淋技术有限公司 | 造纸机筛鼓的法兰盘与导流筛棒的连接结构 |
Also Published As
Publication number | Publication date |
---|---|
ATE296377T1 (de) | 2005-06-15 |
US6669025B2 (en) | 2003-12-30 |
MXPA01001295A (es) | 2012-02-22 |
US20010020600A1 (en) | 2001-09-13 |
EP1122359A2 (de) | 2001-08-08 |
US20010017274A1 (en) | 2001-08-30 |
CA2332667A1 (en) | 2001-08-03 |
EP1122359A3 (de) | 2001-11-14 |
EP1122359B1 (de) | 2005-05-25 |
ATA1652000A (de) | 2001-07-15 |
BR0100353A (pt) | 2001-10-02 |
AT408773B (de) | 2002-03-25 |
DE50106281D1 (de) | 2005-06-30 |
CN1198675C (zh) | 2005-04-27 |
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