CN213316100U

CN213316100U - Eccentric vibrating screen

Info

Publication number: CN213316100U
Application number: CN202021759744.9U
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: 2021-06-01
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses an eccentric formula shale shaker, including main part, sieve case, vibrating device and damping device, sieve case, vibrating device, damping device all are fixed in the main part, vibrating device, damping device respectively with the sieve case links to each other, vibrating device drives sieve case motion, the sieve case is at least including relative first curb plate and the second curb plate that sets up, first curb plate, second curb plate integrated into one piece, be equipped with a plurality of stay tubes, it is a plurality of between first curb plate, the second curb plate the both ends of stay tube respectively through first connecting piece with first curb plate, second curb plate link to each other, first connecting piece is annular rivet or high strength bolt, be fixed with reinforcing plate and strengthening rib on first curb plate, the second curb plate. The utility model discloses a vibrating screen can not cause the cracked condition of part to take place because the internal stress is too big after using for a long time.

Description

Eccentric vibrating screen

Technical Field

The utility model relates to an eccentric formula shale shaker.

Background

The eccentric vibrating screen is a kind of screen equipment which can be cleaned, classified, dewatered, deslimed and medium removed, and is widely used in industries such as metallurgy, building materials, coal, petroleum, chemical engineering, grain and food processing factory, etc., and is responsible for the pre-screening, preparation screening and dewatering operations of coal and mine factory. The screen box of the existing eccentric vibrating screen is usually connected by welding, although the welding is simple and convenient, the welding seam is complex, the internal stress is large, and the situation that the welding seam cracks or even the component is broken is often caused under the action of strong vibration load after the vibrating screen is used for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an eccentric formula shale shaker, the utility model discloses a can not cause the cracked condition of part to take place because the internal stress is too big after the shale shaker uses for a long time.

The technical scheme is as follows:

eccentric formula shale shaker, including main part, sieve case, vibrating device and damping device, sieve case, vibrating device, damping device all are fixed in the main part, vibrating device, damping device respectively with the sieve case links to each other, vibrating device drives the motion of sieve case, the sieve case is at least including relative first curb plate and the second curb plate that sets up, first curb plate, second curb plate integrated into one piece, be equipped with a plurality of stay tubes between first curb plate, the second curb plate, it is a plurality of the both ends of stay tube respectively through first connecting piece with first curb plate, second curb plate link to each other, first connecting piece is annular rivet or high strength bolt, be fixed with reinforcing plate and strengthening rib on first curb plate, the second curb plate.

Each damping device all includes spring, coupling assembling and supporting component, coupling assembling with the sieve case links to each other, spring one end is fixed in on the supporting component, the other end of spring with coupling assembling links to each other.

Coupling assembling includes first spliced pole, second connecting piece and first connecting plate, the one end of first spliced pole is fixed in sieve case is last, the upper surface of first connecting plate pass through the second connecting piece with first spliced pole links to each other, the spring with the lower surface of first connecting plate links to each other.

The second connecting piece is provided with a first connecting through hole, a first connecting side plate and a second connecting side plate, the second connecting piece is connected with the first connecting column through the first connecting through hole, the first connecting side plate and the second connecting side plate are respectively positioned on two opposite side edges of the first connecting through hole, and the first connecting side plate and the second connecting side plate are provided with first connecting holes which are oppositely arranged.

The supporting component comprises a second connecting plate, a third connecting plate and two supporting columns, the second connecting plate is fixed on the main body, the bottoms of the two supporting columns are fixed on the second connecting plate, the tops of the two supporting columns are connected with the lower surface of the third connecting plate, and the spring is connected with the upper surface of the third connecting plate.

The vibrating device comprises a motor, an eccentric shaft, a belt pulley and a belt, wherein two ends of the eccentric shaft are respectively connected with the first side plate and the second side plate, the belt pulley is fixed at one end of the eccentric shaft, and the motor is connected with the belt pulley through the belt.

And bearings are respectively sleeved at two ends of the eccentric shaft, and oil slingers are sleeved outside the bearings.

And two ends of the eccentric shaft are also sleeved with flywheels, and the flywheels are provided with balancing weights.

The sieve box is obliquely arranged on the main body.

The advantages or principles of the invention are explained below:

the utility model discloses an eccentric formula shale shaker's first curb plate, second curb plate adopt annular rivet or high strength bolted connection between stay tube and first curb plate, the second curb plate by monoblock steel sheet integrated into one piece after bending. The utility model discloses a sieve case does not use welded connection, the utility model discloses a sieve case adopts above-mentioned connected mode to connect the back and does not have the internal stress and produces, and has good adaptability to the oscillating load, can not be because the internal stress is too big after the long-time use of shale shaker causes the cracked condition of part to take place.

Drawings

Fig. 1 is a schematic structural view of an eccentric vibrating screen according to an embodiment of the present invention;

fig. 2 is a schematic combination diagram of a screen box, a vibrating device and a damping device of the eccentric vibrating screen according to the embodiment of the present invention;

FIG. 3 is a left side view of an eccentric vibratory screen of an embodiment of the present invention;

FIG. 4 is a top cross-sectional view of an eccentric vibratory screen according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an eccentric shaft according to an embodiment of the present invention;

fig. 6 is a left side view of a sieve box of an embodiment of the present invention;

fig. 7 is a schematic structural view of a shock absorbing device according to an embodiment of the present invention;

description of reference numerals:

10. a main body; 20. a screen box; 30. a vibrating device; 21. a first side plate; 22. a second side plate; 23. supporting a tube; 24. a first connecting member; 40. a reinforcing plate; 50. reinforcing ribs; 60. a damping device; 61. a spring; 62. a first connecting column; 63. a second connecting member; 64. a first connecting plate; 65. a first connection side plate; 66. a second connecting side plate; 67. a first connection hole; 68. a second connecting plate; 69. a third connecting plate; 70. a support pillar; 31. a motor; 32. an eccentric shaft; 33. a belt pulley; 34. a belt; 35. an oil slinger; 36. a bearing; 37. a flywheel; 38. a balancing weight; 39. a sleeve.

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 7, the present embodiment discloses an eccentric vibrating screen, which includes a main body 10, a screen box 20, and a vibrating device 30, wherein the screen box 20 and the vibrating device 30 are fixed on the main body 10, the vibrating device 30 is connected to the screen box 20, and the vibrating device 30 drives the screen box 20 to move. The sieve box 20 at least comprises a first side plate 21 and a second side plate 22 which are arranged oppositely, and the first side plate 21 and the second side plate 22 are integrally formed. Be equipped with a plurality of stay tubes 23 between first curb plate 21, the second curb plate 22, it is a plurality of the both ends of stay tube 23 respectively through first connecting piece 24 with first curb plate 21, second curb plate 22 link to each other, first connecting piece 24 is annular rivet or high strength bolt, be fixed with reinforcing plate 40 and strengthening rib 50 on first curb plate 21, the second curb plate 22.

The screen box 20 of this embodiment is obliquely arranged on the main body 10, and the screen cloth is arranged on the screen box 20 and is of a single-layer or double-layer structure. The first side plate 21 and the second side plate 22 of the eccentric vibrating screen of the embodiment are integrally formed after being bent by a whole steel plate, and the support tube 23 is connected with the first side plate 21 and the second side plate 22 through ring groove rivets or high-strength bolts. The sieve case 20 of this embodiment does not use welded connection, and the sieve case 20 of this embodiment adopts above-mentioned connected mode to connect the back no internal stress production, and has good adaptability to the oscillating load, and the condition that the part fracture can not cause because the internal stress is too big after the long-time use of shale shaker case takes place.

The reinforcing plate 40 of the present embodiment may be connected to the first side plate 21 and the second side plate 22 by ring rivets or high-strength bolts. Preferably, the reinforcing rib 50 of the present embodiment is a supporting channel, and the reinforcing rib 50 may be integrated with the first side plate 21 and the second side plate 22.

The eccentric type vibration screen further includes a plurality of damper devices 60, and the screen box 20 is connected to the main body 10 through the plurality of damper devices 60. Preferably, the number of the shock absorbing devices 60 is four, two shock absorbing devices 60 are connected to the first side plate 21, and the other two shock absorbing devices 60 are connected to the second side plate 22. Each damping device 60 all includes spring 61, coupling assembling and supporting component, coupling assembling with sieve case 20 links to each other, spring 61 one end is fixed in on the supporting component, spring 61's the other end with coupling assembling links to each other.

Preferably, the connecting assembly includes a first connecting post 62, a second connecting member 63 and a first connecting plate 64, one end of the first connecting post 62 is fixed on the screen box 20, the upper surface of the first connecting plate 64 is connected with the first connecting post 62 through the second connecting member 63, and the spring 61 is connected with the lower surface of the first connecting plate 64. The second connecting member 63 is provided with a first connecting through hole, a first connecting side plate 65 and a second connecting side plate 66, and the second connecting member 63 is connected with the first connecting column 62 through the first connecting through hole. The first connecting side plate 65 and the second connecting side plate 66 are respectively located on two opposite sides of the first connecting through hole, and the first connecting side plate 65 and the second connecting side plate 66 are provided with first connecting holes 67 which are oppositely arranged. After the second connecting member 63 is connected to the first connecting post 62, the second connecting member 63 can be fixedly connected to the first connecting post 62 by screwing bolts into the first connecting hole 67 and the second connecting hole.

Preferably, the supporting assembly includes a second connecting plate 68, a third connecting plate 69 and two supporting columns 70, the second connecting plate 68 is fixed on the main body 10, the bottoms of the two supporting columns 70 are fixed on the second connecting plate 68, the tops of the two supporting columns 70 are connected with the lower surface of the third connecting plate 69, and the spring 61 is connected with the upper surface of the third connecting plate 69.

The vibration device 30 includes a motor 31, an eccentric shaft 32, a belt pulley 33 and a belt 34, two ends of the eccentric shaft 32 are respectively connected to the first side plate 21 and the second side plate 22, the belt pulley 33 is fixed to one end of the eccentric shaft 32, and the motor 31 is connected to the belt pulley 33 through the belt 34. Two ends of the eccentric shaft 32 are respectively sleeved with a bearing 36, and the outer side of the bearing 36 is sleeved with an oil retainer 35. Preferably, the bearing 36 is a self-aligning roller bearing 36, which facilitates installation and operation. The two ends of the eccentric shaft 32 are also sleeved with flywheels 37, and the flywheels 37 are provided with balancing weights 38. This shale shaker case accessible increases and decreases balancing weight 38, adjusts exciting force. The overall rigidity of the vibration device 30 of the present embodiment is large. Preferably, the eccentric shaft 32 is externally sleeved with a bushing 39.

When the eccentric vibrating screen vibrates, the eccentric shaft 32 rotates to make the centrifugal forces generated by the screen box 20 and the flywheel 37 opposite, so that the screen box 20 makes an approximately circular motion. Since the screen box 20 makes an approximately circular motion, the material on the screen box 20 is continuously turned over and loosened, and the fine particle material on the screen box 20 moves below the vibrating screen and is discharged through the screen holes of the screen box 20. This embodiment can improve the throughput of the shaker box by changing the inclination angle of the shaker box 20, thereby changing the speed of the material moving along the surface of the shaker box 20. For materials that are difficult to screen, the eccentric shaft 32 can be reversed, so that the vibration direction of the screen box 20 is opposite to the movement direction of the materials, and the movement speed of the materials along the surface of the screen box 20 is reduced.

The eccentric vibrating screen of screen box of this embodiment's simple structure, easy manufacturing, easy operation, vibration noise are low, vibration frequency is high, operate steadily, the handling capacity is big, and life cycle and complete machine practical life are long, and maintenance is simple and convenient.

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. Eccentric formula shale shaker, including main part, sieve case, vibrating device and damping device, sieve case, vibrating device, damping device all are fixed in the main part, vibrating device, damping device respectively with the sieve case links to each other, vibrating device drives sieve case motion, a serial communication port, the sieve case is at least including relative first curb plate and the second curb plate that sets up, first curb plate, second curb plate integrated into one piece, be equipped with a plurality of stay tubes between first curb plate, the second curb plate, it is a plurality of the both ends of stay tube respectively through first connecting piece with first curb plate, second curb plate link to each other, first connecting piece is annular rivet or high strength bolt, be fixed with reinforcing plate and strengthening rib on first curb plate, the second curb plate.

2. An eccentric vibratory screen as defined in claim 1 wherein each of said dampening means includes a spring, a connecting assembly and a support assembly, said connecting assembly being connected to said screen box, one end of said spring being fixed to said support assembly and the other end of said spring being connected to said connecting assembly.

3. An eccentric vibratory screen as set forth in claim 2 wherein said connecting assembly includes a first connecting post, a second connecting member and a first connecting plate, one end of said first connecting post being fixed to said screen box, an upper surface of said first connecting plate being connected to said first connecting post by said second connecting member, said spring being connected to a lower surface of said first connecting plate.

4. An eccentric vibrating screen as in claim 3, wherein said second connecting member is provided with a first connecting through hole, a first connecting side plate and a second connecting side plate, said second connecting member is connected to said first connecting post through said first connecting through hole, said first connecting side plate and said second connecting side plate are respectively located at two opposite sides of said first connecting through hole, said first connecting side plate and said second connecting side plate are provided with oppositely disposed first connecting holes.

5. An eccentric vibratory screen as defined in claim 2 wherein the support assembly includes a second connecting plate, a third connecting plate, and two support posts, the second connecting plate being secured to the body, the bottom of the two support posts being secured to the second connecting plate, the top of the two support posts being connected to the lower surface of the third connecting plate, the spring being connected to the upper surface of the third connecting plate.

6. An eccentric vibrating screen according to any of claims 1 to 5, wherein the vibrating means comprises a motor, an eccentric shaft having both ends connected to the first side plate and the second side plate, respectively, a pulley fixed to one end of the eccentric shaft, and a belt connected to the pulley through a belt.

7. An eccentric vibrating screen as claimed in claim 6, wherein bearings are respectively provided at both ends of the eccentric shaft, and oil slingers are provided outside the bearings.

8. An eccentric vibrating screen as claimed in claim 7, wherein the eccentric shaft is further sleeved at both ends with flywheels, and the flywheels are provided with clump weights.

9. An eccentric vibratory screen as set forth in claim 1 wherein said screen box is disposed obliquely to said main body.