CN213020860U

CN213020860U - Double-shaft dewatering screen

Info

Publication number: CN213020860U
Application number: CN202021759039.9U
Authority: CN
Inventors: 林毅镖
Original assignee: Foshan Shenrui Machinery Equipment Co ltd
Current assignee: Foshan Shenrui Machinery Equipment Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-04-20
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses a biax dewatering screen, including dewatering screen box, four damper, the slope of dewatering screen box sets up, be equipped with the screen cloth in the dewatering screen box, four damper set up relatively respectively in the relative both sides limit of dewatering screen box still includes the vibration exciter of two sets of synchronous motion, each group the vibration exciter includes axis of rotation and motor respectively, the both ends of axis of rotation respectively through the bearing with the relative both sides limit of dewatering screen box links to each other, install four protection casings, four on the dewatering screen box the protection casing will the both ends of axis of rotation cover respectively in it inside, main eccentric block and vice eccentric block are installed respectively to the both ends of axis of rotation, vice eccentric block with the connection can be dismantled to main eccentric block, the motor with the axis of rotation links to each other. The utility model discloses a biax dewatering screen's amplitude is adjustable.

Description

Double-shaft dewatering screen

Technical Field

The utility model relates to a dewatering screen technical field, more specifically the saying so, a biax dewatering screen.

Background

The dewatering screen mainly has the functions of dewatering, desliming and medium removal, and can be used for washing sand in a sand and stone material plant, recovering coal slime in a coal preparation plant, dry-discharging tailings in a concentrating plant and the like. However, the amplitude of the existing dewatering screen is generally fixed, and different use requirements cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a biax dewatering screen, the utility model discloses a biax dewatering screen's amplitude is adjustable.

The technical scheme is as follows:

biax dewatering screen, including dewatering screen box, four damper, the slope of dewatering screen box sets up, be equipped with the screen cloth in the dewatering screen box, four damper set up relatively respectively in the relative both sides limit of dewatering screen box still includes two sets of synchronous operation's vibration exciter, each group the vibration exciter includes axis of rotation and motor respectively, the both ends of axis of rotation respectively through the bearing with the relative both sides limit of dewatering screen box links to each other, install four protection casings on the dewatering screen box, four the protection casing will the both ends of axis of rotation cover respectively in its inside, main eccentric block and vice eccentric block are installed respectively to the both ends of axis of rotation, vice eccentric block with main eccentric block can dismantle the connection, the motor with the axis of rotation links to each other.

The bearing is installed on the rotating shaft through a bearing seat, and an oil retainer ring is sleeved on the outer side of the bearing.

The dewatering screen box body comprises a first side plate and a second side plate, the first side plate and the second side plate are arranged oppositely, and reinforcing plates are fixed on the first side plate and the second side plate respectively.

The four protective covers are respectively arranged on the reinforcing plate.

And a plurality of supporting pipes are further arranged in the dewatering screen box body, and two ends of the supporting pipes are respectively fixed on the first side plate and the second side plate.

And a plurality of supporting plates are also fixed on the dewatering screen box body.

The damping assembly comprises a first connecting piece, a spring and supporting legs, the first connecting piece is connected with the dewatering screen box body, the top of the spring is connected with the first connecting piece, and the bottom of the spring is connected with the supporting legs.

The bearing is a large-play bearing.

The motor is connected with the rotating shaft through a coupler, and a disc connector is arranged at the joint of the coupler and the rotating shaft.

The advantages or principles of the invention are explained below:

the utility model discloses a biax dewatering screen has two sets of vibration exciters, and mutual independence between two sets of vibration exciters does not have mechanical transmission, and simple structure, noise are little, and maintenance is simple, and it is little to make the installation degree of difficulty. The two ends of the rotating shaft of the double-shaft dewatering screen are respectively provided with a main eccentric block and an auxiliary eccentric block, and the main eccentric block and the auxiliary eccentric block are detachably connected. The utility model discloses a quantity of vice eccentric block can be a plurality of, and the quantity of vice eccentric block of accessible increase and decrease, and then reaches the purpose of adjusting the amplitude of dewatering screen box body, satisfies different user demands.

Drawings

Fig. 1 is a top view of an embodiment of the present invention;

fig. 2 is a left side view of an embodiment of the invention;

fig. 3 is a schematic combination diagram of two sets of vibration exciters according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a rotating shaft according to an embodiment of the present invention;

fig. 5 is a partial schematic structural view of a first side plate or a second side plate according to an embodiment of the present invention;

description of reference numerals:

10. a dewatering screen box body; 20. a shock absorbing assembly; 11. a first side plate; 12. a second side plate; 21. a first connecting member; 22. a spring; 23. supporting legs; 30. a reinforcing plate; 40. a support plate; 50. supporting a tube; 60. connecting the guard plate; 70. a vibration exciter; 71. a rotating shaft; 72. a motor; 73. a sleeve; 74. a bearing; 75. a main eccentric block; 76. a sub eccentric block; 80. a disc connector; 90. a protective cover; 100. and an oil scraper ring.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "center", "inner", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

As shown in fig. 1 to 4, the present embodiment discloses a biaxial dewatering screen, which includes a dewatering screen box 10 and four shock absorbing assemblies 20, wherein the dewatering screen box 10 includes a first side plate 11 and a second side plate 12, the first side plate 11 and the second side plate 12 are disposed opposite to each other, and the first side plate 11 and the second side plate 12 are made of a single steel plate by bending. The dewatering screen box body 10 is obliquely arranged, a screen is arranged in the dewatering screen box body 10, four damping assemblies 20 are respectively and oppositely arranged on two opposite side edges of the dewatering screen box body 10, two damping assemblies 20 are connected with the first side plate 11, and the other two damping assemblies 20 are connected with the second side plate 12. The damping component 20 comprises a first connecting piece 21, a spring 22 and supporting legs 23, the first connecting piece 21 is connected with the dewatering screen box body 10, the top of the spring 22 is connected with the first connecting piece 21, and the bottom of the spring 22 is connected with the supporting legs 23. Wherein, the first connecting piece 21 and the dewatering screen box body 10, the spring 22 and the first connecting piece 21, and the spring 22 and the supporting foot 23 can be connected through bolts and the like.

As shown in fig. 5, in an embodiment, the first side plate 11 and the second side plate 12 are respectively fixed with a reinforcing plate 30, and the reinforcing plates 30 can be connected by ring groove rivets or high strength bolts. A plurality of supporting plates 40 are respectively fixed on the first side plate 11 and the second side plate 12, a plurality of supporting pipes 50 are also arranged in the dewatering screen box body 10, and two ends of the supporting pipes 50 are respectively fixed on the first side plate 11 and the second side plate 12. The support plates 40 may be connected by ring groove rivets or high strength bolts, and the support tubes 50 may be connected to the first side plate 11 and the second side plate 12 by ring groove rivets or high strength bolts. The joints of the four shock absorption assemblies 20 and the dewatering screen box body 10 are also provided with connecting guard plates 60.

The reinforcing plate 30, the support tube 50, the support plate 40, the connecting guard plate 60, etc. of the present embodiment can be connected by ring groove rivets or high strength bolts, etc. in such a manner that there is no internal stress and the connecting guard plate has good adaptability to vibration load.

The double-shaft dewatering screen further comprises two groups of vibration exciters 70 which run synchronously, each group of vibration exciters 70 respectively comprises a rotating shaft 71 and a motor 72, and a sleeve 73 is sleeved on the outer side of the rotating shaft 71. The two ends of the rotating shaft 71 are respectively rotatably connected with the first side plate 11 and the second side plate 12 of the dewatering screen box body 10 through bearings 74, and the joints of the bearings 74 are lubricated by grease. The two ends of the rotating shaft 71 are respectively provided with a main eccentric block 75 and an auxiliary eccentric block 76, the auxiliary eccentric block 76 is detachably connected with the main eccentric block 75, the motor 72 is connected with the rotating shaft 71, and the motor 72 drives the rotating shaft 71 to rotate. The motor 72 is connected with the rotating shaft 71 through a coupler, and a disc connector 80 is arranged at the joint of the coupler and the rotating shaft 71. The coupling has high circumferential rigidity, can transmit large torque, has low radial rigidity and can bear large radial run-out deformation. Preferably, the sub eccentric mass 76 and the main eccentric mass 75 may be connected by a fastener such as a bolt.

The double-shaft dewatering screen of the embodiment is provided with two groups of vibration exciters 70, the two groups of vibration exciters 70 are mutually independent, no mechanical transmission exists, the structure is simple, the noise is low, the maintenance is simple, the manufacturing and installing difficulty is low, and the double-shaft dewatering screen is very suitable for large-scale screening machines. The two ends of the rotating shaft 71 of the double-shaft dewatering screen are respectively provided with a main eccentric block 75 and an auxiliary eccentric block 76, and the main eccentric block 75 is detachably connected with the auxiliary eccentric block 76. The number of the auxiliary eccentric blocks 76 of the embodiment can be multiple, and the number of the auxiliary eccentric blocks 76 can be increased or decreased, so that the purpose of adjusting the amplitude of the dewatering screen box body 10 is achieved, and different use requirements are met.

The bearing 74 is mounted on the rotating shaft 71 through a bearing 74 seat, and an oil slinger 100 is sleeved outside the bearing 74. Preferably, the bearing 74 is a large-play bearing, which can solve the problem of excessive temperature of the bearing 74 during vibration.

Four protection covers 90 are installed on the dewatering screen box body 10, four the protection covers 90 will the both ends of the rotating shaft 71 cover in its inside respectively, four the protection covers 90 respectively through annular rivet or high strength bolt etc. install in on the reinforcing plate 30.

The embodiment of the present invention is not limited to this, according to the above-mentioned content of the present invention, the common technical knowledge and the conventional means in the field are utilized, without departing from the basic technical idea of the present invention, the present invention can also make other modifications, replacements or combinations in various forms, all falling within the protection scope of the present invention.

Claims

1. Biax dewatering screen, including dewatering screen box, four damper, the slope of dewatering screen box sets up, be equipped with the screen cloth in the dewatering screen box, four damper set up relatively respectively in the relative both sides limit of dewatering screen box, its characterized in that still includes two sets of synchronous operation's vibration exciter, each group the vibration exciter includes axis of rotation and motor respectively, the both ends of axis of rotation respectively through the bearing with the relative both sides limit of dewatering screen box links to each other, install four protection casings on the dewatering screen box, four the protection casing will the both ends of axis of rotation cover respectively in it, main eccentric block and vice eccentric block are installed respectively to the both ends of axis of rotation, vice eccentric block with main eccentric block can dismantle the connection, the motor with the axis of rotation links to each other.

2. The double-shaft dewatering screen of claim 1, wherein the bearing is mounted to the rotating shaft by a bearing housing, and an oil slinger is fitted over an outer side of the bearing.

3. The dual-axis dewatering screen of claim 1, wherein the dewatering screen box includes a first side panel and a second side panel, the first side panel and the second side panel being disposed opposite each other, and reinforcing panels being secured to the first side panel and the second side panel, respectively.

4. The biaxial dewatering screen of claim 3, wherein four of the shrouds are mounted to the reinforcing plate, respectively.

5. The biaxial dewatering screen according to claim 3, further comprising a plurality of support tubes disposed in the dewatering screen box, wherein two ends of the plurality of support tubes are fixed to the first side plate and the second side plate, respectively.

6. The dual shaft dewatering screen of claim 1, wherein a plurality of support plates are also secured to the dewatering screen box.

7. The dual axis dewatering screen of claim 1, wherein the shock absorbing assembly includes a first connector, a spring, and support feet, the first connector being connected to the dewatering screen box, the top of the spring being connected to the first connector, and the bottom of the spring being connected to the support feet.

8. The biaxial dewatering screen of claim 1, wherein the bearing is a large play bearing.

9. The dual shaft dewatering screen of claim 1, wherein the motor is coupled to the rotatable shaft by a coupling, and a disc connector is provided at a junction of the coupling and the rotatable shaft.