CN215542650U

CN215542650U - Novel cantilever screening device

Info

Publication number: CN215542650U
Application number: CN202122081240.7U
Authority: CN
Inventors: 孙庆忠; 刘奇; 邝伟; 李良晨
Original assignee: Jinan Zhongran Science & Technology Development Co ltd
Current assignee: Jinan Zhongran Science & Technology Development Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-01-18
Anticipated expiration: 2031-08-31

Abstract

The utility model relates to a novel cantilever screening device. The technical scheme is as follows: the utility model provides a novel cantilever screening device, includes the mounting panel of mutual disposition, and the both ends of cross arm are connected respectively to two mounting panels, and the one end of fixed grizzly strip is connected to the cross arm, and the other end of fixed grizzly strip passes through the connecting plate to be connected, is provided with one or two movable grizzly strips between two adjacent fixed grizzly strips, and fixed grizzly strip and activity grizzly strip parallel are evenly arranged, and the one end fixed mounting of activity grizzly strip is on the cross arm, and the other end and connecting plate contact. The utility model carries out limiting and fixing of the relative position of the suspended end of the fixed screen bar by arranging the connecting plate, limits the vibration of the suspended end of the movable screen bar, enhances the screening capability of the movable screen bar and is suitable for a screening device with longer screen bars.

Description

Novel cantilever screening device

Technical Field

The utility model relates to the technical field of screening devices, in particular to a novel cantilever screening device.

Background

A cantilever screen is a screening device that uses vibration to move material through the spaces between parallel screen bars. In the prior art, the grating includes stiff end and free end, and the stiff end is fixed on the cross arm, and the grating vibrates from top to bottom and makes the material rise and fall and pass through the sieve mesh, and the grating vibrates the fine setting to both sides, makes critical granule pass through, prevents to block the hole. In order to improve the screening efficiency, the screen bars are usually lengthened to increase the screening area and the opening rate, but this results in poor controllability of the free ends, large amplitude, and disordered vibration direction.

In order to solve the above problems, a patent document with publication number CN 1182643 a discloses a method for improving the screening precision of a cantilever screen and the cantilever screen, and specifically discloses the following technical features: connecting the suspended ends of the screen bars at intervals; or the suspended ends of two adjacent screen bars are connected in pairs; or pairs of bars spaced one to two bars from each other. Although the vibration of the suspended ends can be reduced by adopting the mode, the processing mode is complex, and the suspended ends of the screen bars are connected at intervals, so that the screen bars vibrate towards two sides, and the hole clamping phenomenon is easy to occur.

Disclosure of Invention

Aiming at the problems of complex processing, small vibration at two sides and inconvenience in critical particle screening of the existing cantilever screen with the lengthened screen bars, the utility model provides a novel cantilever screening device for connecting the suspended ends of the screen bars at intervals.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel cantilever screening device, includes two mounting panels of mutual disposition, and the both ends of cross arm are connected respectively to two mounting panels, and the one end of fixed grizzly strip is connected to the cross arm, and the other end of fixed grizzly strip links together through the connecting plate, is provided with one or two movable grizzly strips between two adjacent fixed grizzly strips, and fixed grizzly strip and activity grizzly strip parallel evenly arrange, and the one end fixed mounting of activity grizzly strip is on the cross arm, and the other end and connecting plate contact. The suspended ends of the fixed screen bars are connected together through the connecting plate, so that the intervals among the fixed screen bars are not changed, and the connecting plate is only connected with the fixed screen bars, so that the vertical vibration screening of the fixed screen bars is not influenced; the movable sieve bars between the fixed sieve bars can still vibrate in multiple directions, critical particles can easily pass through the movable sieve bars, but the vibration is limited because the suspended ends of the movable sieve bars are in contact with the connecting plate, and the control capability of passing through sieve holes for the particles with different sizes can be ensured even if the length of the sieve bars is lengthened.

Preferably, fixed grizzly strip and activity grizzly strip constitute first screening panel, include at least one cross arm between two mounting panels, and a first screening panel is connected to every cross arm, first screening panel parallel arrangement. The screening area of the novel cantilever screening device is increased, and the screening efficiency is improved.

Preferably, every screening panel below all is provided with a set of beating piece, and two mounting panels are connected respectively to the both ends of beating piece. Collide with the fixed grizzly strip and the activity grizzly strip of vibration, make the screening more abundant, prevent that great granule card from between adjacent grizzly strip.

Preferably, a second screening panel is arranged above the first screening panel, and the second screening panel has the same structure as the first screening panel. The improved screening panels are combined for use, so that the screening quality is improved.

Preferably, the top of first screening panel is provided with the third screening panel, and the third screening panel includes the cantilever grizzly strip of parallel equipartition, and the cross arm is connected to the one end of cantilever grizzly strip, and the other end is unsettled. The screening panel after will improving uses with current sieving mechanism combination, carries out preliminary screening earlier, then secondary screening, improves the screening precision.

Preferably, the connecting plate is connected with at least two fixed screen bars. Play the effect of the vibration of restriction grating free end, can select to connect the fixed grating of connection and the number of being connected of connecting plate according to the granule and the material of material to adjust the vibration size.

The utility model has the advantages that the hanging ends of the fixed screen bars are connected by the connecting plate, so that the interval between the adjacent fixed screen bars is fixed, and the condition that the hanging ends vibrate too strongly and in multiple directions to cause the incapability of screening is avoided; the connecting plate is contacted with the movable sieve bars, so that the vibration of the movable sieve bars is limited, the capability of fine adjustment towards two sides to pass particles is reserved, and the particles are prevented from being blocked in holes; the movable sieve bars and the fixed sieve bars are arranged at intervals and are combined for use, and the screening quality can be ensured under the conditions of lengthening the length of the sieve bars and enlarging the screening area and the aperture ratio.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a partial top view of an embodiment of the present invention.

FIG. 2 is a schematic diagram of a multi-layer screen in accordance with an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of an additional striking element according to an embodiment of the present invention.

In the figure: 1. mounting panel, 2, cross arm, 3, cantilever grizzly strip, 4, fixed grizzly strip, 5, activity grizzly strip, 6, connecting plate, 7, hits the piece.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.

As shown in fig. 1-3, a novel cantilever screening device comprises two oppositely arranged mounting plates 1, at least one vertical cross arm 2 is arranged between the two mounting plates 1, the two mounting plates 1 are respectively connected with two ends of the cross arm 2, each cross arm 2 is connected with a group of first screening panels, and the first screening panels are distributed in parallel and used for enlarging the screening area. First screening panel includes fixed grating 4, and the one end fixed connection cross arm 2 of fixed grating 4, the other end and the connecting plate 6 fixed connection of fixed grating 4, connecting plate 6 only are connected with fixed grating 4, do not be connected with mounting panel 1. The connecting plate 6 is connected with the fixed screen bars 4 to fix the intervals between the fixed screen bars 4, so that the fixed screen bars 4 can also ensure screening under the condition that the lengthened suspended end has stronger vibration. Be provided with one or two activity grizzly strips 5 between adjacent fixed grizzly strip 4, activity grizzly strip 5 and the perpendicular cross arm 2 of fixed grizzly strip 4 arrange to parallel evenly arranges, the one end and the cross arm 2 fixed connection of activity grizzly strip 5, the other end and the connecting plate 6 contact of activity grizzly strip 5, the other end of connecting plate 6 bearing activity grizzly strip 5, consequently, connecting plate 6 can weaken the vibration of the free end of activity grizzly strip 5, and activity grizzly strip 5 still can both sides vibrate, the adjustment position makes critical granule pass through. The connecting plate 6 is connected with the free end of two sets of fixed grizzly strips 4 at least, and the connecting plate 6 can be adjusted according to the material and the granule size of material with the 5 quantity of activity grizzly strips between fixed grizzly strip 4 with the number of being connected of fixed grizzly strip 4 to vibration intensity and grizzly strip interval when changing the screening. Beating pieces 7 can be arranged below the movable sieve bars 5 and the fixed sieve bars 4, each beating piece 7 comprises a rod piece, a pipe fitting, a threaded piece and the like, and two ends of each beating piece 7 are fixedly connected with the two mounting plates 1 respectively. The novel cantilever screening device provided by the utility model can be used in a single layer or multiple layers, for example, a double-layer structure is adopted, a second screening panel is arranged above a first screening panel, the structure of the second screening panel is the same as that of the first screening panel, so that screening is more sufficient, or a third screening panel is arranged, the third screening panel adopts the prior art and comprises cantilever screen bars 3 which are uniformly distributed in parallel, one end of each cantilever screen bar 3 is connected with a cross arm 2, the other end of each cantilever screen bar is suspended, and layered screening is carried out by the third screening panel and the first screening panel.

The working principle of the utility model is that the screen bars of the screening device are lengthened, thereby enlarging the screening area, but the suspended end of the lengthened screen bars has larger vibration intensity, namely large vibration amplitude, multi-directional vibration and uncontrollable influence on the screening efficiency. Therefore, the connecting plates 6 are adopted to limit the distance between the fixed screen bars 4, so that particles can pass through, and if the distance between the adjacent screen bars is completely fixed, some critical particles are easy to block, so that the movable screen bars 5 are arranged between the fixed screen bars 4, and meanwhile, the connecting plates 6 support the movable screen bars 5, so that the vibration of the movable screen bars 5 is weakened, and the vibration fine adjustment capability of the movable screen bars is kept; the intensity of vibration and the interval between the screen bars can be adjusted by adjusting the number of connections of the connecting plates 6 with the fixed screen bars 4 and the number of movable screen bars 5 between the fixed screen bars 4.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a novel cantilever screening device, its characterized in that, including two mounting panel (1) of mutual disposition, two the both ends of cross arm (2) are connected respectively in mounting panel (1), the one end of fixed grizzly strip (4) is connected in cross arm (2), the other end of fixed grizzly strip (4) links together through connecting plate (6), adjacent two be provided with one or two movable grizzly strip (5) between fixed grizzly strip (4), fixed grizzly strip (4) with activity grizzly strip (5) parallel evenly arranges, the one end fixed mounting of activity grizzly strip (5) be in on cross arm (2), the other end with connecting plate (6) contact.

2. A new cantilever screening apparatus according to claim 1, characterized in that the fixed screen bars (4) and the movable screen bars (5) constitute a first screening deck, including at least one of the cross arms (2) between two of the mounting plates (1), each cross arm (2) being connected to one of the first screening decks, which are arranged in parallel.

3. A novel cantilever screening apparatus according to claim 2, wherein a set of striking members (7) is disposed below each first screening panel, and two mounting plates (1) are respectively connected to two ends of each striking member (7).

4. A novel cantilever screening apparatus according to claim 2 or 3, wherein a second screening panel is provided above the first screening panel, the second screening panel being of the same construction as the first screening panel.

5. A novel cantilever screening device according to claim 2 or 3, wherein a third screening panel is arranged above the first screening panel, the third screening panel comprises cantilever screen bars (3) which are uniformly distributed in parallel, one end of each cantilever screen bar (3) is connected with the cross arm (2), and the other end of each cantilever screen bar is suspended.

6. A new cantilever screening apparatus according to claim 1 or 2, characterized in that the connection plate (6) is connected to at least two of the fixed screen bars (4).