WO2015109509A1 - Filtering structure - Google Patents

Filtering structure Download PDF

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Publication number
WO2015109509A1
WO2015109509A1 PCT/CN2014/071310 CN2014071310W WO2015109509A1 WO 2015109509 A1 WO2015109509 A1 WO 2015109509A1 CN 2014071310 W CN2014071310 W CN 2014071310W WO 2015109509 A1 WO2015109509 A1 WO 2015109509A1
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WO
WIPO (PCT)
Prior art keywords
filter
microplate
ribs
outer ring
plane
Prior art date
Application number
PCT/CN2014/071310
Other languages
French (fr)
Chinese (zh)
Inventor
潘加瑞
Original Assignee
广州圣智慧展精密滤清器有限公司
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Publication date
Application filed by 广州圣智慧展精密滤清器有限公司 filed Critical 广州圣智慧展精密滤清器有限公司
Publication of WO2015109509A1 publication Critical patent/WO2015109509A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/4618—Manufacturing of screening surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/012—Making filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/05—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/06—Cone or disc shaped screens

Definitions

  • the present invention relates to a filter structure, and more particularly to a plastic filter structure.
  • Plastic filtering structures used on machines such as suction machines, screening machines, vibrating screens, etc. are typically constructed of filter a and outer ring b and skeleton c.
  • the filter a is a single-layer stainless steel wire woven mesh, and the outer ring b and the filter a are separated, and the filter a is stuck in the outer ring b and fixedly connected to the outer ring b, and the skeleton is fixed on the front and back sides of the filter a.
  • the edge of the skeleton c is also caught in the outer ring b.
  • this plastic filter structure includes: (1) Since the filter a is a single-layer stainless steel wire woven mesh, although the strength is increased by providing the skeleton c, the strength of the woven mesh is still insufficient, easily deformed, and not strong, and the wire is easily broken. , easy to break, short life, and easy to leak when damaged; (2) because the outer ring b and the filter a are separated, and the filter a is stuck in the outer ring b, this connection makes the filter a difficult to fix (3) Fixing the skeleton c on the front and back sides of the filter a. When filtering, the filtered object is easily caught at the position of the skeleton c and cannot pass through the filter a, thereby not only reducing the filtration area, but also reducing the filtration efficiency. Clean up often.
  • the object of the present invention is to provide a filter structure which solves the problems of being easily deformed, not strong, easy to break, easy to break, short in life, easy to leak, difficult to fix the filter, easy to jam, and need to be cleaned frequently.
  • the present invention provides a filter structure comprising a filter mesh and an outer ring, the outer ring being injection molded attached to a peripheral edge of the filter mesh; the filter mesh comprising micropores
  • the plate and the plurality of reinforcing ribs which are regularly stamped and formed on the plane of the microplate are uniformly provided with a plurality of micropores in the plane of the microplate having the ribs.
  • the above-mentioned regularly one-step forming of the reinforcing rib on the plane of the microplate is composed of a plurality of concentric rings and a plurality of strip-shaped ribs formed by one press forming on the plane of the microplate,
  • the plurality of strip-shaped ribs are equally spaced and one end of each strip-shaped rib is engaged with the innermost concentric ring of the plurality of concentric rings, and the other end passes through the concentric ring located in the middle and is engaged with the concentric ring located at the outermost side.
  • the above-mentioned ribs which are regularly stamped and formed on the plane of the microplate are composed of a plurality of criss-crossing ribs which are formed by one press forming on the plane of the microplate.
  • the microplate is a stainless steel microplate.
  • the inner edge of the front surface of the outer ring protrudes to form an inner ring which is tightly coupled to the outer edge of the front surface of the filter.
  • the reinforcing rib is recessed on the back side of the filter screen and protrudes on the front side of the filter screen.
  • the height of the outer ring is 20-30 mm
  • the filter structure of the present invention is composed of a microplate and a reinforcing rib, so that the strength and hardness are relatively good, so that the filter net is firm, not easily deformed, is not easily damaged, and has a long service life.
  • the microporous plate has a reinforcing rib formed by one stamping, and a plurality of micropores are uniformly disposed on a plane of the microplate with the reinforcing rib, and the reinforcing rib can be used to prevent deformation of the filter, which can be increased.
  • the strength of the filter, and the micropores on the ribs will not reduce the filter area of the filter.
  • the filter When filtering, the filter can pass smoothly at any position of the filter, without jamming, and it is not It is necessary to clean the filter frequently; since the outer ring is integrally formed by injection molding and attached to the peripheral edge of the filter mesh, the filter mesh can be firmly combined with the outer ring, thereby preventing the filter mesh from being deformed and falling off.
  • Figure 1 is a schematic illustration of a prior art filtration structure.
  • FIG. 2 is a schematic view of a filter structure of the present invention.
  • Figure 3 is a side view of Figure 2.
  • the filtering structure is used on a machine such as a suction machine, a screening machine, a vibrating screen, etc., for filtering plastic particles, which comprises a filter net 1 and an outer ring fixed to the outer edge of the filter screen 1.
  • a machine such as a suction machine, a screening machine, a vibrating screen, etc.
  • the filter screen 1 comprises a microplate 11 and a plurality of reinforcing ribs 12 which are regularly stamped and formed on the plane of the microplate 11 in a uniform manner, and are uniformly disposed on the plane of the microplate 11 with the ribs 12 described above.
  • the microplate 11 can be a stainless steel microplate, so that the hardness and strength thereof are relatively large, and it is less deformable during use, is not easy to be broken, does not rust, and therefore does not leak material, and has a long service life, of course, micropores.
  • the plate 1 1 may also be made of other materials without affecting the scope of protection of the present invention.
  • the ribs 12 can be used to increase the strength of the filter 1.
  • the reinforcing rib 12 is recessed on the back surface of the filter screen 1 and protrudes on the front surface of the filter screen 1, so that the front side of the filter screen 1 is more beautiful. 5mm, 0. 6mm, 0. 7mm, 0. 8mm, 0. 9mm, 0. 9mm, 0. 8mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. , lmm, 1. lmm, 1. 2mm, 1. 3mm, 1. 4mm or 1.
  • the reinforcing rib 12 is composed of a plurality of concentric rings and a plurality of strip ribs formed on the plane of the microplate 11 by one press forming, and the plurality of strip ribs Equally spaced and one end of each strip rib is joined to the innermost concentric ring of the plurality of concentric rings, and the other end is passed through the concentric ring located in the middle and is engaged with the concentric ring located at the outermost side.
  • the ribs 12 may also be comprised of a plurality of criss-crossing ribs 12 that are stamped and formed in the plane of the microplate 11.
  • the outer ring 2 is attached to the peripheral edge of the filter 1 by injection molding, so that the combination of the outer ring 2 and the filter 1 is firm, and the filter 1 is prevented from being deformed.
  • the inner edge of the front surface of the outer ring 2 protrudes to form an inner ring 21 closely coupled with the front surface of the filter net 1, so that the width of the outer ring 2 can be increased, and the height of the back surface of the outer ring 2 can be reduced, which not only makes the outer ring 2 strong enough. And can also save material.
  • the height h of the outer ring 2 is 20-30 ⁇ . In a specific embodiment, the height h of the outer ring 2 may be 20 mm, 21 mm, 22 mm, 23 mm, 24 mm, 25 mm, 26 mm, 27 mm, 28 mm, 29 mm or 30 mm.
  • the microporous plate 1 1 with the reinforcing ribs 12 is uniformly arranged with a plurality of micro holes 13 , the micro holes 13 are evenly distributed on the reinforcing ribs 12 , so that the filtration is not reduced.
  • the filtering area of the net, and at the time of filtration, the filtered object can pass smoothly at any position of the filter 1, without jamming, and it is not necessary to clean the filter 1 frequently.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Filtering Materials (AREA)
  • Filtration Of Liquid (AREA)

Abstract

A filtering structure comprises a filter screen (1) and an outer ring (2). The outer ring (2) adheres to the peripheral edge of the filter screen (1) by injection molding. The filter screen(1) comprises a micro-pore plate (11) and a plurality of reinforcing ribs (12) regularly formed on the surface of the micro-pore plate (11) by one-time punch forming. Several micro-pores (13) are evenly formed in the surface of the micro-pore plate (11) having the reinforcing ribs (12). The filtering structure cannot be easily deformed, cannot be easily damaged, cannot rust, is long in service, and is free of material leakage phenomenon and material blocking phenomenon; the filter screen does not need to be frequently cleaned, and the filter screen (1) can be firmly combined with the outer ring (2).

Description

一种过滤结构  Filter structure
技术领域 Technical field
本发明涉及一种过滤结构， 尤其涉及一种塑料过滤结构。  The present invention relates to a filter structure, and more particularly to a plastic filter structure.
背景技术 Background technique
用在吸料机、分筛机、振动筛等机器上的塑料过滤结构通常由过滤网 a 和外圈 b和骨架 c构成。 其中， 过滤网 a是单层不锈钢丝编织网， 外圈 b 与过滤网 a为分离式， 过滤网 a卡在外圈 b内与外圈 b固定连接， 在过滤 网 a的正反面均固定有骨架 c， 骨架 c的边缘也卡在外圈 b内。这种塑料过 滤结构的缺点包括： （1 ) 由于过滤网 a是单层不锈钢丝编织网， 虽然通过 设置骨架 c增加强度， 但编织网的强度仍然不够， 易变形， 且不坚固， 网 线易断， 易破损， 寿命短， 且一旦破损则易漏料； （2 ) 由于外圈 b与过滤 网 a为分离式， 并且过滤网 a卡在外圈 b内， 这种连接方式使得过滤网 a 不易固定； （3 )在过滤网 a的正反面固定骨架 c， 在过滤时， 被过滤物容易 卡在骨架 c所在位置而无法通过过滤网 a， 从而不仅减少了过滤面积， 降低 了过滤效率， 而且需经常清理。  Plastic filtering structures used on machines such as suction machines, screening machines, vibrating screens, etc. are typically constructed of filter a and outer ring b and skeleton c. The filter a is a single-layer stainless steel wire woven mesh, and the outer ring b and the filter a are separated, and the filter a is stuck in the outer ring b and fixedly connected to the outer ring b, and the skeleton is fixed on the front and back sides of the filter a. c, the edge of the skeleton c is also caught in the outer ring b. Disadvantages of this plastic filter structure include: (1) Since the filter a is a single-layer stainless steel wire woven mesh, although the strength is increased by providing the skeleton c, the strength of the woven mesh is still insufficient, easily deformed, and not strong, and the wire is easily broken. , easy to break, short life, and easy to leak when damaged; (2) because the outer ring b and the filter a are separated, and the filter a is stuck in the outer ring b, this connection makes the filter a difficult to fix (3) Fixing the skeleton c on the front and back sides of the filter a. When filtering, the filtered object is easily caught at the position of the skeleton c and cannot pass through the filter a, thereby not only reducing the filtration area, but also reducing the filtration efficiency. Clean up often.
发明内容 Summary of the invention
本发明的目的是提供一种过滤结构， 该结构解决了易变形、 不坚固、 网线易断、 易破损、 寿命短、 易漏料、 过滤网不易固定、 容易卡料、 需要 经常清理的问题。  SUMMARY OF THE INVENTION The object of the present invention is to provide a filter structure which solves the problems of being easily deformed, not strong, easy to break, easy to break, short in life, easy to leak, difficult to fix the filter, easy to jam, and need to be cleaned frequently.
为实现上述目的， 本发明提供一种过滤结构， 包括过滤网和外圈， 所 述外圈是注塑成型附着在所述过滤网的外围边缘上； 所述过滤网包括微孔 板以及有规则地一次冲压成型在该微孔板平面上的若干条加强筋， 在上述 的带有加强筋的微孔板平面上均匀设置有若干个微孔。 To achieve the above object, the present invention provides a filter structure comprising a filter mesh and an outer ring, the outer ring being injection molded attached to a peripheral edge of the filter mesh; the filter mesh comprising micropores The plate and the plurality of reinforcing ribs which are regularly stamped and formed on the plane of the microplate are uniformly provided with a plurality of micropores in the plane of the microplate having the ribs.
较佳地， 上述的有规则地一次冲压成型在所述微孔板平面上的加强筋 是由一次冲压成型在微孔板平面上的多个同心环和多个条状肋部组成， 所 述的多个条状肋部等间隔分布且各条状肋部的一端与多个同心环中位于最 内侧同心环衔接， 另一端经过位于中间的同心环并与位于最外侧的同心环 衔接。  Preferably, the above-mentioned regularly one-step forming of the reinforcing rib on the plane of the microplate is composed of a plurality of concentric rings and a plurality of strip-shaped ribs formed by one press forming on the plane of the microplate, The plurality of strip-shaped ribs are equally spaced and one end of each strip-shaped rib is engaged with the innermost concentric ring of the plurality of concentric rings, and the other end passes through the concentric ring located in the middle and is engaged with the concentric ring located at the outermost side.
较佳地， 上述的有规则地一次冲压成型在所述微孔板平面上的加强筋 是由一次冲压成型在微孔板平面上的多条纵横交错的加强筋组成。  Preferably, the above-mentioned ribs which are regularly stamped and formed on the plane of the microplate are composed of a plurality of criss-crossing ribs which are formed by one press forming on the plane of the microplate.
较佳地， 所述微孔板是不锈钢微孔板。  Preferably, the microplate is a stainless steel microplate.
较佳地， 所述外圈正面内缘凸出形成与所述过滤网正面外缘紧密结合 的内圈。  Preferably, the inner edge of the front surface of the outer ring protrudes to form an inner ring which is tightly coupled to the outer edge of the front surface of the filter.
较佳地， 所述加强筋在所述过滤网的背面凹陷并在所述过滤网的正面 凸起。  Preferably, the reinforcing rib is recessed on the back side of the filter screen and protrudes on the front side of the filter screen.
较佳地， 所述过滤网的厚度为 0. 5-1 所述过滤孔的大小为 0. 5~1. 5mm  5〜1. 5mm。 The size of the filter is 0. 5~1. 5mm
较佳地， 所述外圈的高度为 20-30mm  Preferably, the height of the outer ring is 20-30 mm
与现有技术相比， 本发明的过滤结构由于所述过滤网是由微孔板和加 强筋构成， 故强度和硬度比较好， 使得过滤网坚固， 不易变形， 不易破损， 使用寿命长， 不漏料； 其中， 所述微孔板通过一次冲压成型有加强筋， 并 在带有加强筋的微孔板平面上均匀设置有若干个微孔， 加强筋可用以防止 过滤网变形， 其可以增加过滤网的强度， 而在加强筋上同样具有微孔则不 会减少过滤网的过滤面积， 在过滤时， 被过滤物在过滤网的任何位置均可 以顺利通过， 无卡料现象， 且也不需要经常对过滤网进行清洗； 由于所述 外圈通过注塑成型并附着在所述过滤网的外围边缘结合为一体， 从而使得 过滤网可与外圈牢固结合， 从而避免过滤网变形及脱落。 通过以下的描述并结合附图， 本发明将变得更加清晰， 这些附图用于 解释本发明的实施例。 Compared with the prior art, the filter structure of the present invention is composed of a microplate and a reinforcing rib, so that the strength and hardness are relatively good, so that the filter net is firm, not easily deformed, is not easily damaged, and has a long service life. The microporous plate has a reinforcing rib formed by one stamping, and a plurality of micropores are uniformly disposed on a plane of the microplate with the reinforcing rib, and the reinforcing rib can be used to prevent deformation of the filter, which can be increased. The strength of the filter, and the micropores on the ribs will not reduce the filter area of the filter. When filtering, the filter can pass smoothly at any position of the filter, without jamming, and it is not It is necessary to clean the filter frequently; since the outer ring is integrally formed by injection molding and attached to the peripheral edge of the filter mesh, the filter mesh can be firmly combined with the outer ring, thereby preventing the filter mesh from being deformed and falling off. The invention will be more apparent from the following description, taken in conjunction with the accompanying drawings.
附图说明 DRAWINGS
图 1为现有技术中的过滤结构的示意图。  Figure 1 is a schematic illustration of a prior art filtration structure.
图 2为本发明过滤结构的示意图。  2 is a schematic view of a filter structure of the present invention.
图 3为图 2所示的侧视图。  Figure 3 is a side view of Figure 2.
具体实施方式 现在参考附图描述本发明的实施例， 附图中类似的元件标号代表类似 的元件。 DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT OF THE INVENTION Embodiments of the present invention will now be described with reference to the drawings, in which like reference numerals represent like elements.
请参考图 2-3，所述的过滤结构用在吸料机、分筛机、振动筛等机器上， 用于过滤塑料颗粒， 其包括过滤网 1和固定在过滤网 1外围边缘的外圈 2。 其中， 所述过滤网 1的厚度为 0. 5-lmm, 在具体实施例中， 所述过滤网 1的 厚度可为 0. 5mm、 0. 6mm、 0. 7mm, 0. 8mm、 0. 9mm或 lmm。 所述过滤网 1包括 微孔板 11 以及有规则地一次冲压成型在该微孔板 11平面上的若干条加强 筋 12， 在上述的带有加强筋 12的微孔板 11平面上均匀设置有若干个微孔 13。 所述微孔板 11可以是不锈钢微孔板， 从而其硬度和强度都比较大， 在 使用时更加不易变形， 不易破损， 不生锈故更加不会漏料， 且使用寿命长， 当然微孔板 1 1也可以是采用其它材料制成而不影响本发明的保护范围。所 述加强筋 12可用于增加过滤网 1 的强度。 所述加强筋 12在所述过滤网 1 的背面凹陷并在所述过滤网 1 的正面凸起， 使得过滤网 1正面更加美观。 所述微孔 13的大小为 0. 5-1. 5mm,在具体实施例中，所述微孔 13的大小可 为 0. 5mm、 0. 6mm、 0. 7mm、 0. 8mm、 0. 9mm、 lmm、 1. lmm、 1. 2mm、 1. 3mm、 1. 4mm 或 1. 5 mm 在具体的一种实施例中， 所述加强筋 12是由一次冲压成型在在微孔板 11平面上的多个同心环和多个条状肋部组成， 所述的多个条状肋部等间隔 分布且各条状肋部的一端与多个同心环中位于最内侧同心环衔接， 另一端 经过位于中间的同心环并与位于最外侧的同心环衔接。 Referring to FIG. 2-3, the filtering structure is used on a machine such as a suction machine, a screening machine, a vibrating screen, etc., for filtering plastic particles, which comprises a filter net 1 and an outer ring fixed to the outer edge of the filter screen 1. 2. 5mm, 0. 8mm, 0. 9mm, 0. 8mm, 0. 9mm, 0. 7mm, 0. 8mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. Or lmm. The filter screen 1 comprises a microplate 11 and a plurality of reinforcing ribs 12 which are regularly stamped and formed on the plane of the microplate 11 in a uniform manner, and are uniformly disposed on the plane of the microplate 11 with the ribs 12 described above. Several micropores 13. The microplate 11 can be a stainless steel microplate, so that the hardness and strength thereof are relatively large, and it is less deformable during use, is not easy to be broken, does not rust, and therefore does not leak material, and has a long service life, of course, micropores. The plate 1 1 may also be made of other materials without affecting the scope of protection of the present invention. The ribs 12 can be used to increase the strength of the filter 1. The reinforcing rib 12 is recessed on the back surface of the filter screen 1 and protrudes on the front surface of the filter screen 1, so that the front side of the filter screen 1 is more beautiful. 5mm, 0. 6mm, 0. 7mm, 0. 8mm, 0. 9mm, 0. 9mm, 0. 8mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. 9mm, 0. , lmm, 1. lmm, 1. 2mm, 1. 3mm, 1. 4mm or 1. 5 mm In a specific embodiment, the reinforcing rib 12 is composed of a plurality of concentric rings and a plurality of strip ribs formed on the plane of the microplate 11 by one press forming, and the plurality of strip ribs Equally spaced and one end of each strip rib is joined to the innermost concentric ring of the plurality of concentric rings, and the other end is passed through the concentric ring located in the middle and is engaged with the concentric ring located at the outermost side.
在具体另一种实施例中， 所述加强筋 12也可以是由一次冲压成型在微 孔板 11平面上的多条纵横交错的加强筋 12组成。  In another embodiment, the ribs 12 may also be comprised of a plurality of criss-crossing ribs 12 that are stamped and formed in the plane of the microplate 11.
所述外圈 2通过注塑成型附着在所述过滤网 1 的外围边缘， 从而使得 外圈 2与过滤网 1的结合牢固， 避免过滤网 1变形。 所述外圈 2正面内缘 凸出形成与所述过滤网 1正面紧密结合的内圈 21， 从而可以增加外圈 2的 宽度， 降低外圈 2背面的高度， 不仅使得外圈 2的强度足够， 而且还可以 节省材料。 所述外圈 2的高度 h为 20_30匪， 在具体实施例中， 所述外圈 2 的高度 h可以为 20mm, 21mm, 22mm, 23mm, 24mm, 25mm, 26mm, 27mm, 28mm, 29mm或 30mm。  The outer ring 2 is attached to the peripheral edge of the filter 1 by injection molding, so that the combination of the outer ring 2 and the filter 1 is firm, and the filter 1 is prevented from being deformed. The inner edge of the front surface of the outer ring 2 protrudes to form an inner ring 21 closely coupled with the front surface of the filter net 1, so that the width of the outer ring 2 can be increased, and the height of the back surface of the outer ring 2 can be reduced, which not only makes the outer ring 2 strong enough. And can also save material. The height h of the outer ring 2 is 20-30 匪. In a specific embodiment, the height h of the outer ring 2 may be 20 mm, 21 mm, 22 mm, 23 mm, 24 mm, 25 mm, 26 mm, 27 mm, 28 mm, 29 mm or 30 mm.
本实施方式在使用时， 由于带有加强筋 12的微孔板 1 1平面上的均匀 布置有若干个微孔 13， 即在加强筋 12上也均布有微孔 13， 这样既不减少 过滤网的过滤面积， 而且在过滤时， 被过滤物在过滤网 1 的任何位置均可 以顺利通过， 无卡料现象， 且也不需要经常对过滤网 1进行清洗。 以上结合最佳实施例对本发明进行了描述， 但本发明并不局限于以上 揭示的实施例， 而应当涵盖各种根据本发明的本质进行的修改、 等效组合。  In the embodiment, when the microporous plate 1 1 with the reinforcing ribs 12 is uniformly arranged with a plurality of micro holes 13 , the micro holes 13 are evenly distributed on the reinforcing ribs 12 , so that the filtration is not reduced. The filtering area of the net, and at the time of filtration, the filtered object can pass smoothly at any position of the filter 1, without jamming, and it is not necessary to clean the filter 1 frequently. The invention has been described above in connection with the preferred embodiments, but the invention is not limited to the embodiments disclosed above, but should be construed to cover various modifications and equivalent combinations in accordance with the nature of the invention.

Claims

权 利 要 求 Rights request
1. 一种过滤结构， 包括过滤网和外圈， 其特征在于： 所述外圈是注塑 成型附着在所述过滤网的外围边缘上； 所述过滤网包括微孔板以及有规则 地一次冲压成型在该微孔板平面上的若干条加强筋， 在上述的带有加强筋 的微孔板平面上均匀设置有若干个微孔。  A filter structure comprising a filter mesh and an outer ring, characterized in that: the outer ring is injection molded attached to a peripheral edge of the filter mesh; the filter mesh comprises a microplate and a regular one-time stamping A plurality of reinforcing ribs formed on the plane of the microplate are uniformly provided with a plurality of micropores in the plane of the microplate having the ribs.
2. 如权利要求 1所述的过滤结构， 其特征在于： 上述的有规则地一次 冲压成型在所述微孔板平面上的加强筋是由一次冲压成型在微孔板平面上 的多个同心环和多个条状肋部组成， 所述的多个条状肋部等间隔分布且各 条状肋部的一端与多个同心环中位于最内侧同心环衔接， 另一端经过位于 中间的同心环并与位于最外侧的同心环衔接。  2. The filter structure according to claim 1, wherein: said ribs which are regularly stamped and formed on the plane of said microplate are a plurality of concentric shapes formed by one press forming on a plane of the microplate The ring is composed of a plurality of strip-shaped ribs, and the plurality of strip-shaped ribs are equally spaced and one end of each strip-shaped rib is connected to the innermost concentric ring of the plurality of concentric rings, and the other end passes through the concentric in the middle The ring is joined to the concentric ring located at the outermost side.
3. 如权利要求 1所述的过滤结构， 其特征在于： 上述的有规则地一次 冲压成型在所述微孔板平面上的加强筋是由一次冲压成型在微孔板平面上 的多条纵横交错的加强筋组成。  3. The filter structure according to claim 1, wherein: said ribs which are regularly stamped and formed on the plane of said microplate are a plurality of cross-sections formed by one press forming on the plane of the microplate Interlaced ribs.
4. 如权利要求 1至 3任一项所述的过滤结构， 其特征在于： 所述微孔 板是不锈钢微孔板。  The filter structure according to any one of claims 1 to 3, wherein the microplate is a stainless steel microplate.
5. 如权利要求 1至 3任一项所述的过滤结构， 其特征在于： 所述外圈 正面内缘凸出形成与所述过滤网正面外缘紧密结合的内圈。  The filter structure according to any one of claims 1 to 3, characterized in that the inner edge of the front surface of the outer ring protrudes to form an inner ring which is tightly coupled to the outer edge of the front surface of the filter.
6. 如权利要求 1至 3任一项所述的过滤结构， 其特征在于： 所述加强 筋在所述过滤网的背面凹陷并在所述过滤网的正面凸起。  The filter structure according to any one of claims 1 to 3, wherein the reinforcing rib is recessed on the back surface of the filter mesh and protruded on the front surface of the filter mesh.
7. 如权利要求 1至 3任一项所述的过滤结构， 其特征在于： 所述过滤 网的厚度为 0. 5-lmm, 所述过滤孔的大小为 0. 5-1. 5匪。  5-1. 5匪。 The size of the filter hole is 0. 5-1. 5匪.
8. 如权利要求 1至 3任一项所述的过滤结构， 其特征在于： 所述外圈 的高度为 20-30匪。  The filter structure according to any one of claims 1 to 3, wherein the outer ring has a height of 20 to 30 Å.
PCT/CN2014/071310 2014-01-22 2014-01-24 Filtering structure WO2015109509A1 (en)

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