CN1048664C - Screen cloth element and screen cloth for making the same - Google Patents
Screen cloth element and screen cloth for making the same Download PDFInfo
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- CN1048664C CN1048664C CN95195474A CN95195474A CN1048664C CN 1048664 C CN1048664 C CN 1048664C CN 95195474 A CN95195474 A CN 95195474A CN 95195474 A CN95195474 A CN 95195474A CN 1048664 C CN1048664 C CN 1048664C
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- China
- Prior art keywords
- wire screen
- guide
- screen element
- wire
- screen
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Classifications
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- 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
- B07B1/4645—Screening surfaces built up of modular elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/03—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
- B01D33/0346—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements
- B01D33/0376—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements supported
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
- B01D33/37—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in parallel connection
Abstract
Detachable screen cloths (14) are fixed on a screen cloth element (11) having a rigid support frame (12, 13) serving as a holder and intended to be fixed in the screen frame (10) of a screening machine. The detachable screen cloths (14) have a rigid screen cloth frame (30, 31) surrounded at least partially by elastomeric material. The rigid mounting frame (12, 13) of the screen cloth element has a guide device (32, 33) which is laterally open for receiving and holding the screen cloth (14). The screen cloth (14) is in sliding engagement with the guide device during the insertion thereof into the guide device. The screen cloth (14) and the guide device (32, 33) have inter engaging surfaces preventing, during the screening operation, relative movements between the screen cloth (14) and the rigid mounting frame (12, 13) of the screen cloth element in directions making an angle with the plane of the screen cloth.
Description
The present invention relates to the wire screen element and make the wire screen of this wire screen element.
A kind of wire screen element of general type is installed one by one, is generally bonding relation provides sieved material with vibration in the wire screen that uses screen(ing) machine when operating that sieves stirring.Generally, different wire screen element design has the framework of rigidity, and it is used for tension clamping tartan or other material.Rigid frame also has cross bar to be used for additionally reinforcing wire screen sometimes.Rigid frame and selectable cross bar generally are combined in the wire screen material, are formed on the protruding beam of wire screen bottom sometimes.There is diverse ways to be used for fixing single wire screen element.In the sieve structure in early days, the wire screen element is placed on the screen frames of screen(ing) machine on projecting inward flange, and presses facing to these flanges by clamping band (band scribbles wear resistant elastic material).Then, with dissimilar clamping close devices the wire screen element is fixed in the screen frames of screen(ing) machine.SE-B-422418 (corresponding to US-A-4141821) for example, US-A-4960510 and WO 84-02290 (corresponding to US-A-4661245) disclose the example of this class formation.
DE-A-1186311 advises another kind of engaging locking.According to this document, sieve is formed by the sieve plate of brittle ceramic materials or other wear-resisting fragile material.Sieve plate is held in place by rubber rubber strap clamp, the elasticity that band not only produces when installing is pressed onto their installation site clamping rigid plate to plate, also as the elastic damper of the cracking of the sieve plate that prevents to be made by fragile material when sieving operation.When plate is depressed, they by almost perpendicular to they towards pressing down, produce the flexible sieve plate that brings and reserve the place.Elasticity is installed or damping also causes reducing wear, because plate is depressed when the impact suffered from the weight of sieved material.
The wire screen element is installed in further developing of notion in the screen frames of screen(ing) machine with engaging locking shown in the SE-B-460340 (corresponding to EP-B-0364541 and US-A-5085324) and explanation.In the sieve of the prior art, different wire screen elements are fixed in the screen frames of screen(ing) machine with the engaging locking device.The part of clamping close device and compass screen surface element are set as integral body, and are located near the one end.Another part of clamping close device is included in the thickening of top edge of supporting member of the screen frames of screen(ing) machine.The other end seat of wire screen element is placed on the composition surface of projection of supporting member, and is clipped between the flange portion of this composition surface and previous wire screen element.The effect widely of that class wire screen element said at last and sieve is because the wire screen element of wearing and tearing can be easily with new changing.In addition, can be restricted to this replacing and be subjected to the part that screen(ing) machine is subjected to greatest wear.
But have been found that, from different aspects, it is favourable obtaining greater flexibility and for wearing and tearing wire screen element in the sieve surface portion of exposure concrete in the replacing screen(ing) machine the bigger free degree is arranged in designing the sieve surface, sieve surface portion in described exposure, the sieve surface is formed by the wire screen element of a plurality of fronts, optionally is in stepped setting.
An object of the present invention is to satisfy that these require, another object of the present invention is to allow in the process of sieving also not fully that the wire screen componentry of wearing and tearing can prolong use, thereby these parts can use several times, and only change the wearing part of wire screen element.
Special purpose of the present invention is the favourable sieve design that further develops with the wire screen element of overlap joint, and this element is SE-B-460340, and corresponding EP-B-0364541 and the theme of US-A-5085324.
Can reach these its purposes extremely of the present invention by means of wire screen element of the present invention and wire screen.
In the present invention, use removable wire screen, wire screen is fixed on the installation frame with rigidity and is used for fixing on the wire screen element in the screen frames of screen(ing) machine.Removable wire screen has the wire screen framework of a rigidity, and it is preferably being wrapped by elastomeric material to small part.The guide design of transverse opening is used for being slidably engaged with wire screen when inserting wire screen in the rigidity installation frame of wire screen element, and further is designed to prevent the relative slip on edge and wire screen plane direction at angle between wire screen and the wire screen element.In order to install and pull down wire screen, they are as laterally extracting out in the remainder of the horizontal reeve wire screen of drawer element or therefrom.
The part of having worn and torn in whole sieves surface can be promptly accurately changed in this design of the wire screen by wire screen element and reeve, and uses the remainder usefulness of further sieving.In addition, the selection for the material of sieve aperture, sieve crack and removable wire screen can have the bigger free degree.The present invention also can make the material of the different piece of wire screen element select optimization, the rigid frame of wire screen element is bonded in the wear-resisting elastomeric material, the performance of this material is particularly suitable for the installed part of wire screen element, and select different materials as removable wire screen, make them have the work of sieving that will carry out that best performance is arranged.Therefore can select the installed part of a harder elastomeric material, and when sieving cohesive material, select softer elastomeric material to make removable wire screen as the wire screen element.In addition, if possible, in the installed part of same-type, use the wire screen of wire screen or foraminate ceramic template.Removable wire screen can be made by the material that the desirable service behaviour of sieving is arranged, and the remainder of wire screen element can be by the material of installing and gravity flow screen is furnished with ideal performance is made.
The major advantage of wire screen element of the present invention is the free degree that the operator to concrete screen(ing) machine provides the essence of selecting the sieved material in and the same machine, because he simply mode replace a wire screen surface with another wire screen surface, and keep the untouched difference of most of wire screen element of screen(ing) machine.By with dissimilar removable wire screen, the various sieved materials that can sieve are from viscosity to thick and thin material.Therefore can irrespectively change the design of wire screen mesopore with the remainder of wire screen element, removable wire screen can be designed to the ceramic wafer of wire screen one-tenth or aperture.
Because it is particularly advantageous that the present invention uses in conjunction with the wire screen element of SE-B-460340 and corresponding US-A-5085324 and EP-B-0364541, illustrate below by embodiment based on the sieve of favourable type.But the present invention is to wire screen with rigid frame and clamping and be used for fixing that various types of wire screen elements are useful in the screen frames of screen(ing) machine.
Describe the present invention in detail below with reference to the accompanying drawing that most preferred embodiment of the present invention is shown, in the accompanying drawing:
Fig. 1 is the profilograph of a part that has the sieve of wire screen element of the present invention;
Fig. 2 is the enlarged drawing that Fig. 1 details is shown;
Fig. 3 is the profile of cutting along the III-III line portion of Fig. 1;
Fig. 4 is the part of the section that dissects of the IV-IV line along Fig. 3;
Fig. 5 is the perspective view of the wire screen element seen from oblique below;
Fig. 6 is the wire screen element of Fig. 1 of seeing from above, illustrates and by wire screen is inserted guider wire screen is installed;
Fig. 7 is the profile that dissects along the III-III line of Fig. 1 by wire screen;
Fig. 8 is along the profile of III-III line by the wire screen element, and a wire screen dress shown in Figure 1 thereon;
Fig. 9 is before loading onto wire screen, along the profile of III-III line by the mounting portion of wire screen element;
Figure 10 is the profile of the single wire screen element of similar Fig. 1 in another embodiment;
Figure 11 is similar Fig. 6, according to the view of the wire screen element of Figure 10, illustrates wire screen is inserted in the guider of mounting portion of wire screen element;
Figure 12 is the view of similar Fig. 3, and the profile of the wire screen element of Figure 10 is shown;
Figure 13 is the profile that the XIII-XIII line along Figure 12 dissects;
Figure 14 is the profilograph of another embodiment of wire screen of the present invention, and wire screen partly disconnects;
Figure 15 is the profilograph that the rigidity installing frame of wire screen element of the present invention forms another embodiment of part, and this part is used for receiving its guide surface and is configured as shown in figure 14 the such wire screen of wire screen.
As shown in Figure 1, screen(ing) machine has a screen frames 10, wherein adorning a plurality of wire screen elements of the present invention, follow a wire screen element 11 for one and comprise that the rigidity installation frame of one one-tenth installed part, 12 forms and rigidity reinforcing core 13, a reinforcing core 13 that is located at wherein are combined in the wear resistant elastic material, this elastomeric material can comprise natural or synthetic rubber or plastics.A removable wire screen 14 is contained on the installed part 12, will go through below its mode.
As shown in Figure 1, the end of the wire screen element of An Zhuaning is overlapping successively, makes that the downstream of a wire screen element is positioned at the top of the upstream extremity of next wire screen element along the direction of sieving (arrow 15).Installed part 12 has a projection 16 near the bottom of downstream, which is provided with otch 17. Element 16,17 constitutes a part that the wire screen element is locked into the engaging locking device on the screen frames.Another part of engaging locking device is the thickening edge part 18 on the bracket component 19 that is included in the screen frames.Bracket component has a flange or abutment surface 20.The upstream extremity 21 of next wire screen element is placed on this abutment surface 20.The corresponding size that bracket component, engaging locking device and wire screen do not have part makes the upstream extremity of next wire screen element be clipped between the flange portion 22 of abutment surface 20 and previous wire screen element.By means of this design, can reduce the number of the engaging locking device of same number wire screen element requirement in a sieve, obtain step-like sieve surface simultaneously, its sieved material that overturns has improved the efficient of sieving like this.The upstream extremity of uppermost wire screen element is placed on the abutment surface 23 of screen frames 10, and is pressed facing to this abutment surface by a clamping element 24, and clamping element 24 is also clamped a slidingsurface 25, and the material that sieve send down on the wire screen element along this surface.
In the manufacturing of the installed part 12 of wire screen element, framework 13 is put into and is made it be fitted on the supporting boss at five places in the vulcanizing mold, and in these places, on the installed part of wanting moulding or anchor clamps 12 bottom surfaces, vulcanizing mold has the groove of the formation abutment surface of inside extension.Can see four grooves 28 among Fig. 5, they are located in vertical limit bracing means of anchor clamps.The 5th groove is the clip slot 29 at the anchor clamps upstream extremity, and this groove is at Fig. 3, illustrates in greater detail in 4.
As mentioned above, comprise anchor clamps or installed part 12, and be inserted in the wire screen 4 of the inside according to wire screen element of the present invention.
Comprise that the wire screen 14 of elastomeric material system has the wire screen framework 30 of a rigidity, it is combined in the elastomeric material, and encases wire screen 14, and it preferably has one or two cross bar 31, because wire screen element and wire screen have the length of an essence, as along sieving direction (arrow 15) finding.Cross bar 31 is used for reinforcing wire screen, and reduces the tendency of wire screen surface vibration when wire screen 10 vibrations.In the present invention used, wire screen so formed a resolution element.
For wire screen 14 is contained in the installed part 12 of wire screen element, installed part is designed to be provided with guider 32,33, and it is with respect to wire screen element side opening.Guide design becomes when wire screen is inserted installed part 12 and is slidably engaged with wire screen, also prevents edge and the angled direction in wire screen plane, particularly rectangular relative slip between the installed part 12 of wire screen 14 and wire screen element.Because the direction traversed by ground that sieves of wire screen and screen(ing) machine inserts in the anchor clamps, one works as the wire screen element has been contained in the screen frames of screen(ing) machine, can prevent wire screen moving along guide.Therefore, screen frames has prevented along horizontal moving.
In according to wire screen element of the present invention, rigid frame or anchor clamps 12 preferably include the framework core 13 of a rigidity and the skin that part encases the elastomeric material of framework core.Best, guider is located in this skin, as shown in the figure.
The guide 32,33 of guider preferably is located in the installed part 12 of wire screen element.For this reason, be set as the projection 22 times that a part that makes guide 32 and wire screen 14 is ensconced the previous wire screen element of being close at the guide 32 of wire screen element upstream extremity, and protected by it, as shown in Figure 1, 2.In the downstream of wire screen element, guide 33 is subjected to wire screen 14 protection, and wire screen has been designed to projection 34, and it is pressed in the installed part 12, and dresses with the surface towards last of the projection 22 of installed part.Projection 34 can be to terminate in guide 33 back, as shown in Figure 1, or extend to the same with the end of projection 22 far away, shown in Fig. 2 embodiment.
In order to install and pull down wire screen 14, in the installed part 12 of their laterally inserted wire screen elements, shown in arrow among Fig. 6 15.Wire screen 14 slides along guide 32,33 subsequently, and the position of the wire screen elastomeric material of the formation guide surface that engages with the guide 32,33 of installed part 12 by the position of rigid frame 30 in elastomeric material that makes wire screen is close, can be convenient to the insertion and the extraction of wire screen.
As shown in Figure 9, the rigid frame 30 of wire screen 14 is set as directly above the rigid frame 13 of anchor clamps that will support or installed part 12.By this arrangement, the sieved material that the wire screen that separates, insert can not be placed on it is depressed or is held partially.
Figure 10-13 illustrates another embodiment of wire screen element of the present invention and wire screen.In this case, wire screen is designed to wire screen 40.This wire screen has a rigid frame members 30 that encases the metal of sieve.This screen element is embedded in the elastomeric material substantially fully, as the same manner of wire screen 14 among the more above-mentioned embodiment of the present invention.Be provided with nip 41 with the elastomeric material bottom that is not both in frame element 30 of these embodiment.Groove 41 is used for cooperating with horizontal metal support bar 42.These cramp bars are connected with the silk 43 of wire screen again.From Figure 10-13 as seen, silk screen 43 is enclosed on each cramp bar around one.In the end of wire screen, silk screen extends to the elastomeric material the inside of wrapping frame element 30.If requirement, the free end 44 of silk screen 43 may extend in the prone groove in elastomeric material.
As shown in Figure 12, the cramp bar engaging that a silk 43 of working as sieve is established thereon is in place in groove 41, and in the laterally inserted installed part 12 of wire screen, supporting member 42 can be contained in their nip 41.
If wire screen is wire screen, the wire element is unnecessary to be designed to shown in Figure 10-13.Therefore, silk screen 43 can directly extend to the other end from an end, is placed on the cramp bar 42 also to weld thereon.Perhaps, silk screen 43 can directly be fixed on the frame element 30 on the wire screen.In this case, if requirement, prestretched of silk screen 43.
Figure 14 illustrates another embodiment of wire screen 50 of the present invention.The same wire screen shape of wire screen 14 tools among the general shape of wire screen and the embodiment of Fig. 1-9.The upstream extremity of wire screen 50 has guide 51, and downstream has guide 52.The cross section of upstream extremity guide 51 is wall-roof shapes and comprises guide surface 53 and guide surface 54 down, and the top of wall-roof shape guide is set as distance from the wire screen top surface than bigger from its basal surface distance, and reason illustrates below.Roof surface 53 is in an acute angle with top surface, and extends towards the upstream extremity of wire screen.
The wire screen of Figure 14 has the framework 30 corresponding rigid frames 58 with Fig. 1-9 illustrated embodiment.Rigid frame 58 has a flange 58, and it is charged in the skin of the wear-resistant elastomeric material that is wrapping framework or core 58 along direction downstream.58 one-tenth of this flange 59 and frameworks are whole or be rigidly connected with framework 85.The purpose of this flange 59 is to strengthen the tip of the elastomeric material between rooved face 55 and wire screen basal surface so that improve the effect of guide surface.Therefore, this flange makes in the easier installed part that slides into the wire screen element of wire screen, and has reduced the flexibility of tip, the clamping of wire screen in installed part when therefore having improved the effect screen frames.
The upstream and downstream end of the installed part 60 of wire screen element shown in Figure 15 respectively, have a guide surface 61,62, its shape respectively with guide surface 51,52 complementations of wire screen 50.Therefore, the surface 61 of upstream guiding is configured as the groove of the wall-roof shape slot cross-section of upper wall 63 and lower wall 64.In addition, installed part 60 has the area supported 69 that supporting is installed in the wire screen in the installed part 60.The bottom of groove 61 is set as from bearing-surface 69 than nearer from wire screen element upper surface.
Installed part 60 has core and the framework 67 with the framework 13 corresponding rigidity of Fig. 1-9 embodiment.Similar with the framework 58 of wire screen 50, this framework 67 has flange 68, extend in the tip of downstream guide surface 62 so that reinforce this tip, and the installation that improves the wire screen 50 in guide surface and the installed part 60 reaches the relevant effect of use at screen(ing) machine wire screen element.
By forming as above-mentioned and be shown in Figure 14, the guide surface 51,61,52,62 in 15 is set as from the installation surface of wire screen element and installed part 60 69 equidistant embodiment with the tip of guide surface and compares, wall surface 53,63, and 55,65 have amplified.By amplifying the surface area of guide surface 51,61,52,62, bigger power can be born in these surfaces.These power can be separated wire screen 50 and installed part 60 along updrift side when using the wire screen element in the screen(ing) machine that uses the vibrating mechanism improvement effect of sieving.
The significant advantage of wire screen element of the present invention be the operator of screen(ing) machine when wire screen weares and teares, or require when a kind of wire screen is changed to another kind of wire screen, can change easily.
As mentioned above, major advantage of the present invention is to have only sub-fraction wire screen element replacement when upgrading the sieve surface of screen(ing) machine, and the anchor clamps of the new wire screen of installed part 12 reusable works of wire screen element.Another advantage is to compare little wire screen size to be convenient to store with whole screen(ing) machine element.Convertibility and to be convenient to change also be major advantage, make it to be convenient between difference is sieved the operation of type, to switch, just by providing for simple replacement of, can change screen size or the quality of materials on the wire screen surface has optimal conditions so that reach for various sieved material ranks.
Also as mentioned above, the present invention with relevant with reference to the type of the described sieve of embodiment be particularly advantageous.But the present invention also can be advantageously used in the sieve of other type that a plurality of wire screen elements in the screen frames of planning to be contained in screen(ing) machine make.
Claims (28)
1. wire screen element, the installation frame (12,13 with a rigidity, 60) and by it block and be used for fixing wire screen (14,40,50) on the screen frames (10) at screen(ing) machine, it is characterized in that the wire screen framework (30 that described wire screen (14,40,50) has a rigidity, 31,58), and be designed to separately element or unit, the rigidity installation frame (12 of described wire screen element, 13,60) has guider (32,33,61 with respect to described wire screen element lateral openings, 62), and be designed to insert described guider (32,33,61 at wire screen, 62) time and described wire screen be slidably engaged, also further be designed to prevent the rigidity installation frame (12 of described wire screen (14,40,50) and described wire screen element, 13,60) between along with the relative slip of the angled direction in described wire screen plane.
2. according to the described wire screen element of claim 1, it is characterized in that wire screen framework (30,31,61,62) to the small part of described rigidity is being wrapped by elastomeric material.
3. according to claim 1 or 2 described wire screen elements, the installation frame (30 that it is characterized in that the rigidity of described wire screen element, 31,58) comprise (13) skins that wrapping the wear resistant elastic material of described core to small part of frame core of a rigidity, described guider (32,33,61,62) be located in the described skin.
4. according to each wire screen element among the claim 1-3, the guide that it is characterized in that described guider (32,33,61,60) be located in the wire screen element at place in case protected not with the contacting of sieved material.
5. according to the wire screen element of claim 4, it is characterized in that its end that is installed in the feasible wire screen element of installing one by one in the screen frames of described screen(ing) machine (10) with roof-Wa form overlap joint, and described guide (32,33; 61,62) the described wire screen (14,40) that is being wrapped described guide is protected.
6. according to the wire screen element of claim 4; it is characterized in that its end that is installed in the feasible wire screen element of installing one by one in the screen frames of described screen(ing) machine (10) is with roof-Wa form overlap joint; and described guide (32; 33; 61,62) used overlap (22) wrapping the adjacent wire screen element protection of guide.
7. according to the wire screen element of claim 4; it is characterized in that it is mounted to makes the end of the wire screen element installed one by one with roof-Wa form overlap joint in the screen frames (10) at described screen(ing) machine; and described guide (32; 33; 61; 66) be capped the described wire screen (14,40,50) of described guide and quilt is being covered described guide with overlap (22) adjacent wire screen element protection.
8. according to each described wire screen element among the claim 1-7, it is characterized in that the part that described at least wire screen (14,40,50) covers described guide (32,33,61,62) made by wear-resisting elastomeric material.
9. according to the wire screen element of claim 8, it is characterized in that described described wire screen (14,40, the 50) part that covers described guide (32,33,61,62) made by wear-resisting elastomeric material.
10. according to each wire screen element among the claim 1-9, it is characterized in that the rigid frame part (30,31 of described wire screen (14,40,50); 58,59) be positioned at contiguous described guider (32,33; 61,62) in the wire screen part.
11., it is characterized in that the rigid frame (30,31 of described wire screen (14,40,50) according to each wire screen element among the claim 1-10; 58,59) part (59) is positioned at and described rigidity installation frame (12,13; 60) described rigid frame core (13; 67) appropriate section is relative.
12. according to each wire screen element among the claim 2-11, it is characterized in that in described part is being wrapped the described skin of frame core (13), being provided with undercut groove (41) and be used for receiving the end that is included in the cramp bar (42) in the wire screen (40) separately, and be used in the wire screen element (11) of wire screen card.
13., it is characterized in that described rigidity installation frame (12,13 according to each wire screen element among the claim 1-12; 60) upstream extremity guide surface (61) is set as the wall (63 of elongated slot (61), 64), at least be inclined to acute angle with immediate sidewall of wire screen element surface (63) that will contact and described wire screen element surface, and extend towards the downstream of wire screen element (10) with sieved material.
14., it is characterized in that the bottom of described groove (61) is bigger from the opposite side distance of wire screen from the wire screen surface ratio that will contact with sieved material according to the wire screen element of claim 13.
15. according to the wire screen element of claim 13 or 14, it is characterized in that the downstream guide surface (62) of described rigidity installation frame (12,13,60) is set as the flange with triangular cross section, its direction is towards the upstream extremity of rigidity installation frame.
16., it is characterized in that the free end of described flange (62) is set as from bigger than the opposite side distance from wire screen with the wire screen element surface of wanting sieved material according to the wire screen element of claim 15.
17. wire screen element according to claim 16, it is characterized in that described wire screen (14,50) downstream guide surface (52) is set as the wall surface (55 at the groove on wire screen downstream surface, 56), described from the farther outward-dipping sieved material that leaves described contact wire screen surface of described wall surface (55) in wire screen surface that will contact with sieved material.
18., it is characterized in that described wire screen (14,15) has an outstanding marginal portion (57), is used for covering and protecting the described downstream guide surface (62) of described mounting portion (60) according to the wire screen element of claim 17.
19. a wire screen that is used for forming wire screen element (11), described wire screen (14,40,50) comprises the frame core (30,31 of a rigidity; 58,59) and connected wire screen surface, described wire screen has a guide surface (51 in the upstream extremity and the downstream of the predetermined relatively direction of sieving (arrow 15), 52) with the direction horizontal expansion of sieving, and be designed to be located at the wire screen element in and the guider (32,33 of relative its transverse opening; 61,62) corresponding guide surface (61,62) is slidably engaged, and described guide design becomes is inserting guider (32,33 to wire screen; 61,62) time and described wire screen (14; 40; 50) be slidably engaged, and design prevents wire screen (14; 40; 50) and between the rigidity installation frame of wire screen element (12,13,60) along with the relative slip of wire screen plane direction at angle.
20., it is characterized in that the rigid frame core (30,31 of described wire screen according to the wire screen of claim 19; 58,59) wrapped by elastomeric material to small part.
21., it is characterized in that being provided with projection (34 according to the wire screen of claim 19 or 20; 57) be used for covering and overlap described guider (33; 62) guide (33; 62).
22., it is characterized in that being used at least covering described guide (32,33 according to the wire screen of claim 19,20 or 21; 61,62) wire screen (14; 40; 50) part is made by wear resistant elastic material.
23. according to the wire screen of claim 21 or 22, it is characterized in that being used for covering fast guide (32,33; 61,62) wire screen (14; 40; 50) part (34; 57) make by wear resistant elastic material.
24., it is characterized in that in part is being wrapped the skin of frame core (30), being provided with the end that undercutting recess (41) is used for being received in the cramp bar (42) that comprises in the wire screen (40) of separation according to each wire screen among the claim 19-23.
25. according to each wire screen among the claim 19-24, it is characterized in that described upstream extremity guide (51) has triangular cross section, the free end of described guide is arranged to want near from the wire screen surface ratio that will contact with sieved material from its apparent surface.
26. according to each wire screen among the claim 19-25, it is characterized in that its downstream guide surface (52) is set as the wall surface (55 of the groove in wire screen downstream surface, 56), outside the farther wall surface (55) in wire screen surface that will contact with sieved material is tilted to, and leave the described sieved material that contacts the wire screen surface.
27., it is characterized in that described rigid frame core (58) has to extend into described guide (51,52) and strengthen its part according to each wire screen among the claim 19-26.
28. according to each wire screen among the claim 19-27, it is characterized in that having flange portion (57) in its downstream, described flange (5) is used for covering and protect the downstream guide surface (62) of the mounting portion of wire screen element.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP94850172A EP0710509B1 (en) | 1994-10-05 | 1994-10-05 | Screen cloth element |
| EP94850172.1 | 1994-10-05 | ||
| US08/411,416 US5735409A (en) | 1994-10-05 | 1995-03-27 | Screen cloth element and screen cloth for making the same |
| US08/411,416 | 1995-03-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1159776A CN1159776A (en) | 1997-09-17 |
| CN1048664C true CN1048664C (en) | 2000-01-26 |
Family
ID=26137743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95195474A Expired - Fee Related CN1048664C (en) | 1994-10-05 | 1995-10-04 | Screen cloth element and screen cloth for making the same |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN1048664C (en) |
| AU (1) | AU3691895A (en) |
| CA (1) | CA2201903A1 (en) |
| WO (1) | WO1996011070A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6267247B1 (en) * | 1993-04-30 | 2001-07-31 | Tuboscope I/P, Inc. | Vibratory separator screen |
| US6443310B1 (en) * | 1993-04-30 | 2002-09-03 | Varco I/P, Inc. | Seal screen structure |
| US7942272B2 (en) | 2001-08-10 | 2011-05-17 | Axiom Process Ltd. | Screen system |
| GB0119523D0 (en) * | 2001-08-10 | 2001-10-03 | Ever 1529 Ltd | Screen system |
| GB0120862D0 (en) * | 2001-08-29 | 2001-10-17 | United Wire Ltd | Method and device for joining screens |
| EP2922645A1 (en) * | 2012-11-20 | 2015-09-30 | Tega Industries Limited | Snap fit fixing system for screen panels |
| CN103316839A (en) * | 2013-07-17 | 2013-09-25 | 佳施加德士(苏州)塑料有限公司 | Screen |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0032436A1 (en) * | 1980-01-12 | 1981-07-22 | N. Greening Limited | Screening apparatus |
| WO1984002290A1 (en) * | 1982-12-09 | 1984-06-21 | Fioris Pty Ltd | Screening system |
| WO1989008509A1 (en) * | 1988-03-08 | 1989-09-21 | Trelleborg Ab | Screen with overlapping screen cloth elements |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1186311B (en) * | 1957-03-29 | 1965-01-28 | Erich O Riedel | Sieve bottom made of perforated plates fastened between support strips |
-
1995
- 1995-10-04 AU AU36918/95A patent/AU3691895A/en not_active Abandoned
- 1995-10-04 WO PCT/SE1995/001134 patent/WO1996011070A1/en active Application Filing
- 1995-10-04 CA CA002201903A patent/CA2201903A1/en not_active Abandoned
- 1995-10-04 CN CN95195474A patent/CN1048664C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0032436A1 (en) * | 1980-01-12 | 1981-07-22 | N. Greening Limited | Screening apparatus |
| WO1984002290A1 (en) * | 1982-12-09 | 1984-06-21 | Fioris Pty Ltd | Screening system |
| WO1989008509A1 (en) * | 1988-03-08 | 1989-09-21 | Trelleborg Ab | Screen with overlapping screen cloth elements |
Also Published As
| Publication number | Publication date |
|---|---|
| AU3691895A (en) | 1996-05-02 |
| CN1159776A (en) | 1997-09-17 |
| CA2201903A1 (en) | 1996-04-18 |
| WO1996011070A1 (en) | 1996-04-18 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |