CN2402411Y - Screen mesh - Google Patents
Screen mesh Download PDFInfo
- Publication number
- CN2402411Y CN2402411Y CN 99222320 CN99222320U CN2402411Y CN 2402411 Y CN2402411 Y CN 2402411Y CN 99222320 CN99222320 CN 99222320 CN 99222320 U CN99222320 U CN 99222320U CN 2402411 Y CN2402411 Y CN 2402411Y
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- CN
- China
- Prior art keywords
- grating
- protective sleeve
- earthenware
- metal grating
- screen cloth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a screen mesh which belongs to the field of sieving. The utility model mainly solves problems of the abrasion and the corrosion of material for metallic screen bars in the process of sieving. The utility model has the technical proposal that the metallic screen bars are arranged on a beam rack, a corrosion resistant and abrasion resistant protective sleeve is sheathed on each metallic screen bar, the protective sleeve is arranged along an axial direction of the metallic screen bars, gaps are arranged between the inner wall of the protective sleeve and the radial exterior surface of the metallic screen bars, and the inner wall of the protective sleeve and the radial exterior surface of the metallic screen bars are in movable fit. The protective sleeve is formed by connecting in series at least two sections of ceramic tubes with definite lengths and thicknesses, and an elastic bushing is arranged between the ceramic tubes. Because the ceramic tubes have the characteristics of abrasion resistance and corrosion resistance, the metallic screen bars are protected, and the service life of the screen mesh is enhanced.
Description
The utility model belongs to the material sieving technology field.
The present screen cloth that constitutes with the metal grating, because material directly contacts with the metal grating, in screening process, will cause the wearing and tearing of metal grating, simultaneously to acid, also have chemical attack problem when the alkali material sieves to the metal grating, two aspects are all to having a negative impact the service life of screen cloth.
The purpose of this utility model provides a kind of corrosion-resistant, anti abrasive screen cloth with regard to being to overcome above-mentioned the deficiencies in the prior art.
The utility model is achieved by the following scheme: this screen cloth comprises roof beam structure and metal grating, described metal grating places on the roof beam structure, it is characterized in that all being equipped with corrosion-resistant, anti abrasive protective sleeve on each metal grating of described screen cloth, described protective sleeve axially is provided with along the metal grating; One gap is arranged between the radially-outer surface of the inwall of this protective sleeve and described metal grating, between the two for movingly.
Further, described metal grating is cylindrical, and described protective sleeve is the open circles tubulose.
Further, described protective sleeve is an earthenware; Described earthenware has certain length and thickness, and has the axial serial connection of two sections described earthenwares along the cylindrical metal grating at least, is provided with the elasticity cushion cover between earthenware.
Further, described earthenware end is processed with taper seat to its inner chamber, and this taper seat matches with the appearance taper seat of elasticity cushion cover.
Compare with existing technology, the utility model has prevented wearing and tearing, the corrosion of material to the metal grating, the life-span of having improved screen cloth effectively owing to be provided with protective sleeve.
Be elaborated below in conjunction with accompanying drawing:
Fig. 1 is the overall schematic of the utility model one embodiment;
Fig. 2 is the grating A-A cutaway view of deciding embodiment illustrated in fig. 1;
Fig. 3 is the overall schematic of another embodiment of the utility model;
Fig. 4 is a moving grating B-B cutaway view embodiment illustrated in fig. 3;
Fig. 5 is the overall schematic of the utility model the 3rd embodiment;
Fig. 6 is a C--C cutaway view of deciding grating embodiment illustrated in fig. 5;
Fig. 7 is the overall schematic of the utility model the 4th embodiment;
Fig. 8 is a moving grating D-D cutaway view embodiment illustrated in fig. 7.
Embodiment shown in Figure 1 is the fixing mesh structures in metal grating of the present utility model two ends, and its metal grating is decided grating 4 owing to two ends all are fixed on the roof beam structure 1 thereby also are called.Its grating shape, structure are identical, equidistantly are arranged in parallel within on the roof beam structure 1.On each metal grating, all be equipped with corrosion-resistant, anti abrasive protective sleeve, protective sleeve axially is provided with along the metal grating.One gap is arranged between the radially-outer surface of the inwall of protective sleeve and described metal grating, between the two for movingly.Movingly described, first situation is that finger guard can radially suitably rotate around the metal grating, and this will help material and pass through screen cloth; Second kind of situation is meant that described gap can avoid protective sleeve impaired as far as possible when metal grating strain, promptly relatively moves on the metal grating is axial.For protective sleeve, if having certain degree of hardness in principle, material with corrosion-resistant, mar proof all can, as the fiberglass of condition as described in possessing, reinforced plastics etc.The metal grating is generally cylindrical, but elliptical cylinder-shape or other curved surface shaped also can, but difform grating, its screening effect is also different.The protective sleeve of corresponding cylindrical metal grating, it is shaped as the open circles tubulose.In the present embodiment, protective sleeve is an earthenware 2.External diameter size, shape are all identical in each earthenware in Fig. 1, because it is limited to decide grating 4 amplitude in screening process, so the length of earthenware 2 can suitably extend; Its wall thickness is also had certain requirement, and too thin being extruded easily broken, the too thick screening effect that influences again, so its wall thickness can adapt according to the material feature of screening and the intensity of protective sleeve.In Fig. 2, at least two sections earthenwares 2 axially are connected in series in turn along the cylindrical metal grating, between earthenware end and adjacent earthenware, be provided with elasticity cushion cover 3, the strain that this elasticity cushion cover 3 can make the cylindrical metal grating produce when random vibration is worked does not act on the earthenware 2, prevents the earthenware cracking.The quantity of earthenware decides according to the size of screen cloth or is furthermore decided by the length of metal grating, and the length of metal grating is long more, and the quantity of serial connection earthenware is many more.Not impaired and prevent that hard particles enters the earthenware inner chamber in the material for the protection earthenware, be processed with identical taper seat at the earthenware two ends to its inner chamber, this taper seat matches with the appearance taper seat of elasticity cushion cover.To some degree, when the screen cloth off working state, can make the cylindrical metal grating be suspended in the inner chamber of earthenware 2 by elasticity cushion cover 3; And when the stressed generation strain of cylindrical metal grating, elasticity cushion cover 3 can play cushioning effect.
With elasticity cushion cover 3, earthenware 2 successively and spacer sleeve place on the cylindrical metal grating, again the grating two ends all are fixed on the roof beam structure 1, promptly constitute the fixing screen cloth in present embodiment two ends.
Fig. 3 is another embodiment of the present utility model, and present embodiment and the foregoing description difference are to have increased moving grating 5, and described moving grating 5 is meant and places adjacent two to decide the middle cylindrical metal grating of grating.The purpose that moving grating is set is can rely on when the critical particle clamping stagnation is being decided promptly to stop up mesh between the grating secondary vibration of moving grating that critical particle is ejected, thereby solves the sieve screen apertures clogging effectively.Decide grating in the present embodiment and be fixing grating in two ends and earthenware and elasticity cushion cover and Fig. 1, structure shown in Figure 2 is consistent.For moving grating 5, its structure also is columniform metal grating, diameter with decide grating and equate, just an end fixedly the other end take and put on roof beam structure, moving grating random vibration but also rely on its elasticity and produce secondary vibration not only in screening process, therefore decide grating relatively, the amplitude of moving grating is big slightly, therefore must do corresponding change to the earthenware 2 that is used for moving grating.Be placed on the contraction in length of the earthenware on the moving grating as Fig. 4, the earthenware quantity that is nested with on the moving grating in the length same with deciding grating increases like this, place the also also corresponding increase of quantity of elasticity cushion cover between earthenware end and the two adjacent earthenwares, this measure can be avoided making the breakage of earthenware pressurized owing to the big strain of moving grating effectively.
On the basis of above-mentioned screen cloth, can design the higher Combined screen mesh of screening efficiency.
Fig. 5, Fig. 6 are the 3rd embodiment of the present utility model, promptly all are the combined type screen cloth of deciding grating.In the present embodiment, the side plate 6 of roof beam structure 1 is tilting, and roof beam structure 1 is along side plate 6 stepped layouts from top to bottom.First group of cylindrical metal decided grating and is equipped with the earthenware 2 that adapts with it outward, between earthenware 2 and end face be provided with the elasticity cushion cover.The end horizontal direction that cylindrical metal is decided grating is fixed on first roof beam structure, and in order to reduce the length of screen cloth, second roof beam structure and later roof beam structure are not provided with decides fixedly ear of grating, but the other end that will decide grating is fixed on the centre of second roof beam structure in vertical direction.The rest may be inferred by analogy, the cylindrical metal that has earthenware such as second group, the 3rd group is decided grating stepped arrangement from top to bottom, the length of this Combined screen mesh and width come to select as the case may be, as need lengthening screen cloth, then can laterally increase the group number of roof beam structure and cylindrical metal grating and the length that prolongs side plate at screen cloth; Widen that screen cloth then can be widened roof beam structure and the quantity of grating as described in vertically increase as need.
Fig. 7, Fig. 8 are the 4th embodiment of the present utility model, promptly moving, as to decide grating combined type pottery screen cloth.In the present embodiment, it is identical with above-mentioned Fig. 5, Fig. 6 structure and mounting means that the cylindrical metal that has an earthenware is decided grating, just decide to have increased between the grating moving grating adjacent two, should be fixed on first roof beam structure by moving grating one end, the other end then is placed on the supporting member 7 of second roof beam structure top, supporting member 7 is fixed on second roof beam structure, and its height can make grating maintenance level under off working state.The purpose that supporting member 7 is set is to utilize better the secondary vibration of moving grating.Side plate 6 is tilting, roof beam structure is ladder-like arranged along tilting side plate, spaced apart moving, to decide the grating group also stepped, according to the setting size of Combined screen mesh, can increase moving quantity of deciding grating at the width of screen cloth, move in the length direction increase of screen cloth and decide grating group number.In the present embodiment, the end of moving grating is provided with a conical papilla, its role is to make better the earthenware location.
Certainly, embodiment of the present utility model is not limited thereto, the woven type structure that other structure such as metal grating interweave in length and breadth; The structures that promptly all are made of moving grating that metal grating one end is fixing etc. all belong to the present technique protection domain as long as be equipped with protective sleeve, particularly earthenware on grating.
Through experiment, present technique is fully feasible, can realize expected effect.
Claims (4)
1, a kind of screen cloth, comprise roof beam structure (1) and metal grating, described metal grating places on the roof beam structure (1), it is characterized in that all being equipped with corrosion-resistant, anti abrasive protective sleeve on each metal grating of described screen cloth, and described protective sleeve axially is provided with along the metal grating; One gap is arranged between the radially-outer surface of the inwall of this protective sleeve and described metal grating, between the two for movingly.
2, screen cloth according to claim 1 is characterized in that described metal grating is cylindrical, and described protective sleeve is the open circles tubulose.
3, screen cloth according to claim 2 is characterized in that described protective sleeve is earthenware (2); Described earthenware (2) has certain length and thickness, and has the axial serial connection of two sections described earthenwares along the cylindrical metal grating at least, is provided with elasticity cushion cover (3) between earthenware.
4, screen cloth according to claim 3 is characterized in that described earthenware (2) end is processed with taper seat to its inner chamber, and this taper seat matches with the appearance taper seat of elasticity cushion cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99222320 CN2402411Y (en) | 1999-09-15 | 1999-09-15 | Screen mesh |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99222320 CN2402411Y (en) | 1999-09-15 | 1999-09-15 | Screen mesh |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2402411Y true CN2402411Y (en) | 2000-10-25 |
Family
ID=34012729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99222320 Expired - Lifetime CN2402411Y (en) | 1999-09-15 | 1999-09-15 | Screen mesh |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2402411Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284415A (en) * | 2011-05-22 | 2011-12-21 | 浙江省天台祥和实业有限公司 | Baking and screening integrated machine for rubber seal element |
| CN101590470B (en) * | 2009-07-03 | 2013-07-17 | 济南中燃科技发展有限公司 | Screen bar sleeve for screen bar of bar screen |
| CN105478353A (en) * | 2016-01-07 | 2016-04-13 | 山东钢铁股份有限公司 | Rod type screen bottom of pulverized coal vibrating screen |
-
1999
- 1999-09-15 CN CN 99222320 patent/CN2402411Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101590470B (en) * | 2009-07-03 | 2013-07-17 | 济南中燃科技发展有限公司 | Screen bar sleeve for screen bar of bar screen |
| CN102284415A (en) * | 2011-05-22 | 2011-12-21 | 浙江省天台祥和实业有限公司 | Baking and screening integrated machine for rubber seal element |
| CN105478353A (en) * | 2016-01-07 | 2016-04-13 | 山东钢铁股份有限公司 | Rod type screen bottom of pulverized coal vibrating screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: DESIGNER; FROM: LIU YUZHEN TO: ZHOU XINMIN |
|
| CP03 | Change of name, title or address |
Address after: 501 room 1, building 1, Yanshan District, Lixia District, Lixia District, Shandong, Ji'nan, 250014 Designer after: Zhou Xinmin Patentee after: Zhou Xinmin Address before: No. 2, unit 27, 203 normal road, Tianqiao District, Shandong, Ji'nan Designer before: Liu Yuzhen Patentee before: Liu Yuzhen |
|
| AV01 | Patent right actively abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |