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Wie benutzt man ein vibrator

The invention relates to a vibratory molding machine with a molding compound covering Complaint plate. It consists essentially in the fact that above this weight plate one or more power operated hammers are arranged.

Wie Benutzt Man Ein Vibrator

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Name: Breena
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The use of fasteners has the advantage that particularly outwardly acting shear forces act directly on the cross pieces and not on the side plates.

The invention also provides a self-supporting frame for a vibrator assembly of substantially the kind defined above. Vibrator arrangement 5 with a frame 10which by a pair of parallel, oblong cross pieces Vibrator arrangement 5 according to claim 1, wherein the frame 10 transmits forces in use transverse to the side plates 4 Act. Vibrator arrangement 5 according to any one of the preceding claims, wherein the vibrators 11 are adapted to be in use a linear movement on the screen assembly 1 transferred to. Another way to obtain the linear motion by means of two waves is to take advantage of the phenomenon of self-synchronization in which the two shafts do not need tooth gears for synchronization and sufficient that they are properly arranged and rotated in reverse rotation a clockwise and the other counterclockwise.

There are two vibration methods that are mostly used with vibrating screens: circular motion or linear motion. FR 2 A1 discloses a damper for vibration between engines and screen assemblies, but does not describe the manner in which a motor can be mounted on a screen or the manner in which stresses in the screen assemblies can be reduced.

The most cost effective de of self-synchronization is to mount the vibrators with the vibrating counterweight parallel to the plane of the side plates on each side plate and to tilt them at a suitable angle. A rotating, eccentric vibrator is mounted on each side plate and tilted to impart a one-way, elliptical vibratory motion to the assembly.

In addition, the arrangement of the carriers with respect to the crosspieces ensures that the forces are in equilibrium and thus do not produce torque around any point. The invention provides a vibrator assembly 5 comprising a pair of vibrators 11 held in spaced relation by a frame Between the vibrators 11a screen assembly 1 is attachable to the frame 10 having a screen 2, 3 extending between a pair of side plates 4. It will be appreciated, however, that many other embodiments of a screen assembly for transmitting linear vibration to a screen assembly exist that fall within the scope of the invention, particularly with regard to the placement of the vibrator and screens.

The vibrators sometimes take the form of an electric motor that drives an eccentrically weighted shaft. The Applicant believes that by the transmission of the vibrational forces fractures will still occur in the side plates and that these are weakened only slightly by the cross tubes.

Um die Vibration der Siebe zu erreichen, wird eine Anzahl von Verfahren verwendet. This object is achieved by a Vibratoranordung with the features of claim 1. Auf jeder Seitenplatte ist zentral ein Rotationsvibrator befestigt.

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These may be in the form of a vibrator mounted on each side of a screen, usually on the side panels to which the screens are attached, which in turn is mounted on coil springs, rubber supports or similar devices. On each side plate is centrally mounted a rotary vibrator. To achieve the vibration of the screens, a of methods are used.

Applicant believes that this tube is not effective for preventing damage to the side plates because stresses are transmitted through the side plates before they reach the structural tube. US 5, A discloses a frame to which a pair of vibrators is attached and the again carries a bean sprout-treating surface over the vibrators. In use, the crosspieces transmit forces acting transversely, usually perpendicular, to the side plates between the vibrators and distribute these forces in the frame.

An einem Ende des obersten Siebs 2 ist in konventioneller Weise eine Zufuhrrinne 7 vorgesehen.

In such factories, therefore, one often finds rows of closely superimposed sieves subjected to vibration. This avoids that these undesirable stresses are consumed by the side plates and the sieve and thus cause damage. The circular motion is more widespread than the linear motion because of lower cost.

EP 0 A2 discloses a pair of screen mats which are held in a tensioned condition between a pair of side panels.

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However, their application was limited due to their higher production costs. Effective date : Die Erfindung schafft eine Vibratoranordnung 5die ein Paar von Vibratoren 11 aufweist, die durch einen Rahmen 10 in beabstandeter Beziehung gehalten werden. It is generally believed that the linear motion has many advantages for the screening process. At one end of the top sieve 2 is a feed trough in a conventional manner 7 intended. The invention therefore provides a method of transmitting a linear vibration to a screen assembly which avoids the need for a heavy and very robust screen assembly de.

Die kosteneffektivste Ausgestaltung der Selbstsynchronisation besteht darin, die Vibratoren mit dem vibrierenden Gegengewicht parallel zu der Ebene der Seitenplatten auf jeder Seitenplatte befestigt und in einem geeigneten Winkel geneigt anzuordnen. The invention also provides a screen assembly having at least one screen extending between a pair of side panels and attached to a vibrator assembly of a substantially defined type above.

The side plates 4 are stored at each of their lowest corners on coil springs not shown.

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Crosspieces used in the frame need not be round in cross-section but could be wie benutzt man ein vibrator any suitable shape and could be made, for example, from a U-profile. Further preferred features of the invention provide for the frame to transmit forces acting transversely to the side plates for the frame to transmit forces such that forces acting across the side plates are in balance and for the frame Vibrators that they are deed to transmit a linear motion on the screen assembly. Vibrator arrangement 5 according to any one of the preceding claims, wherein each crosspiece Vibrator arrangement 5 according to claim 4 or 5, wherein the ends of each crosspiece Vibrator arrangement 5 according to any one of the preceding claims, wherein each of the vibrators 11 on each of the supports 20each having a flange 21which is connected to each of the crosspieces Vibrator arrangement 5 according to claim 8, wherein each carrier 20 perpendicular to the associated flange 21 runs.

Sieves are often used for the classification of solids. In this type of screen, the vibrators are synchronized to provide balanced lateral forces, and thus, by causing the frame to transmit and absorb these forces, virtually no lateral forces are exerted on the side plates and screens. When the screen assembly has side panels, it is beneficial to attach the vibrators to opposing side panels, with at least one crosspiece extending between the side panels connecting the vibrators, preferably by means of fasteners such as bolts.

Every carrier 20 extends over the length of the flange 21 to which it is attached. The vibrator assembly is particularly useful for linearly vibrating screens in which forces across the side panels create undesirable stresses in the screen assembly and in turn damage them.

The vibrators 11 are close to one end of the respective carrier 20 attached, which tapers from this end to the opposite end. Die Vibratoren weisen manchmal die Form eines Elektromotors auf, der eine exzentrisch mit einem Gewicht versehene Welle antreibt. By connecting a pair of vibrators and attaching a screen assembly thereto, forces acting transversely to the desired direction of travel are consumed by the means for connection rather than in the screen assembly itself, as in the prior art.

Every vibrator 11 has a pair of unbalance disks on one in a housing 22 rotatable shaft not shown is fixed, and each axis is rotatable on the carrier 20 appropriate. It is the object of this invention to provide a vibrator assembly which at least partially mitigates some of the above mentioned problems.

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An elliptical motion is less efficient than a linear motion, and the stresses introduced into the side plates are likely to be slightly less than those created by linear motion. The vibrator arrangement 5 is clearer in the 2 and 3 shown and has an independent frame 10 on which a pair of vibrators 11 is appropriate. The result of the vibrator assembly is that the side plates and screens can be of very light construction so that the very heavy and robust structures ly required when a vibrator was attached to each of the side plates are avoided.

EP 0 A2 offenbart ein Paar von Siebmatten, die in einem gespannten Zustand zwischen einem Paar von Seitenplatten gehalten werden. Der Rahmen der Vibratoranordnung kann genauso wie die Vibrationsmittel jede geeignete Konstruktion aufweisen. When subjected to vibration, a high volume throughput is achieved through a sieve and screened. It is most often obtained by rotating vibrators placed on the side plates or on a support above or below the screen surface.

Die Kreisbewegung ist wegen niedrigerer Kosten weiter verbreitet als die lineare Bewegung. In the 1. The flange 21 every carrier 20 is by bolts on a flange Der Rahmen der Vibratoranordnung ist von sehr starrer, jedoch leichter Konstruktion.

An electric motor 25 is on a freestanding carrier not shown directly adjacent to each side plate 4 attached and by a drive shaft 26 and a universal t coupling 27 connected to the axis of the pair of unbalance discs. The frame of the vibrator assembly is of very rigid but lightweight construction. Preferred embodiments are the subject of the dependent claims. Further preferred features of the invention provide for the screen to have a pair of side panels between which at least one screen extends and for each side panel to be attached to a vibrator.

The linear motion is usually obtained by two rods which are toothed to be synchronized with the vibratory mechanism mounted on two supports above or below the screen surface or directly attached to the side plates of a box structure of similar width as the screen. Die Seitenplatten 4 sind an jeder ihrer untersten Ecken auf Spiralfedern nicht gezeigt gelagert. The frame of the vibrator assembly, like the vibrating means, may have any suitable construction. Compactness is achieved through the use of rows of sieves, while sieve classification efficiency is enhanced by vibration of the sieves.

Applicant, however, contends that the disclosed screen assembly will not work permanently with screens that are longer than 1 meter due to stresses that develop during operation. This patent discloses the problem of stress fractures that form in the sifter and proposes to solve this problem by means of a complex mounting arrangement for the vibrators.

The sieves 2. Zwischen den Vibratoren 11 ist eine Siebanordnung 1 an dem Rahmen 10 anbringbar, die ein Sieb 2, 3 aufweist, das sich zwischen einem Paar von Seitenplatten 4 erstreckt. The frame 10 transmits forces acting transversely to the side plates 4 directly wie benutzt man ein vibrator the vibrators 11 to prevent unwanted stresses from being absorbed by the screen assembly 1.

The notifying party considers that this arrangement is not robust enough for heavy lo. This invention relates to a vibrator assembly, particularly, but not exclusively, a vibrator assembly for use with equipment used in mineral classification and processing, such as screens or feed channels, hereinafter referred to as screens.

Due to the very light construction, the sieve arrangement also creates higher efficiencies than currently achieved by conventional sieve arrangements. Further preferred features of the invention provide that each vibrator has at least one, preferably two, unbalanced disks rotatably mounted on an axle for being driven by a shaft by a motor, each motor being fixed to a side plate, alternatively each Motor is free-standing, and that two or more screens extend between the side panels in close superimposed arrangement.

Es gibt zwei Vibrationsverfahren, die meistens bei den Vibrationssieben Anwendung finden: Kreisbewegung oder die lineare Bewegung. Cross tubes maintain the side panels in a spaced condition and help provide the assembly with structural strength.

Wenn sie Vibrationen ausgesetzt werden, wird ein hoher Volumendurchsatz durch ein Sieb erzielt und gesiebt. These stresses will be ificant due to the torque exerted by the vibrators, especially on the mounting plates for the vibrators and the attachments to the side plates.

In mineral processing plants and quarries, it is usually necessary to classify large quantities of ore as quickly and cost-effectively as possible. The frame 10 has two pairs of flanges The cross pieces Every vibrator 11 is on an elongated carrier 20 attached, each carrier 20 on a flange 21 is fixed to run perpendicular to it.

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Still other preferred features of the invention contemplate that each vibrator is attached to a flange attachable to each crosspiece, each vibrator being attached to a carrier extending from the respective flanges, each carrier perpendicular to the associated flange that the carriers run in a plane intersecting the longitudinal axis of each crosspiece, and that the carriers are elongate, with a vibrator attached to one end thereof and tapering towards its other end. Still other preferred features of the invention contemplate that the frame has two crosspieces, each crosspiece being tubular in cross-section, preferably round, that the ends of each crosspiece are compressed, that each crosspiece extends functionally between the side plates, and that each crosspiece has at each end a flange to which the side plates are attachable.

This patent also discloses a structural tube which extends between the side panels typical of many screen assemblies. Further preferred features of the invention provide that side plates are attached to the screen assembly to the vibrators, that the vibrators are interconnected by at least one crosspiece two crosspieces extending between the side plates, and that the vibrators are attached to each crosspiece by fastening means.

Eine elliptische Bewegung ist weniger effizient als eine lineare Bewegung und die Wie benutzt man ein vibrator, die in die Seitenplatten eingeleitet werden sind wahrscheinlich etwas geringer als die, die durch lineare Bewegung erzeugt werden. This type of arrangement has encountered difficulties due to the large stresses introduced into the screen structure, and only a few manufacturers have made use of such a de with limited success.