CN215216890U

CN215216890U - Vibrating fluidized bed

Info

Publication number: CN215216890U
Application number: CN202120877424.1U
Authority: CN
Inventors: 陆文光; 顾晓峰; 顾春花; 金晓栋
Original assignee: Jiangsu Yutong Drying Equipment Co ltd
Current assignee: Jiangsu Yutong Drying Equipment Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-12-17
Anticipated expiration: 2031-04-25

Abstract

The utility model relates to a vibrating fluidized bed, including the bed body and excitation device, the excitation device includes the preceding, posterior lateral plate that locates the preceding, rear side of the bed body respectively, rotate between the preceding, posterior lateral plate and be provided with the upper and lower eccentric shaft that is located under the bed body, the upper eccentric shaft is located the top of lower eccentric shaft, be equipped with on the posterior lateral plate with the rear end transmission complex motor of upper eccentric shaft, through the gear drive cooperation between the front end of upper eccentric shaft and the lower eccentric shaft, this gear drive's drive ratio is 1; the utility model discloses a vibrated fluidized bed's the bed body can evenly vibrate the lapse material, and can not produce resonance phenomenon.

Description

Vibrating fluidized bed

Technical Field

The invention relates to the technical field of drying equipment, in particular to a vibrating fluidized bed.

Background

A vibration fluidized bed common in the market comprises a bed body, wherein vibration motors are arranged on the front side face and the rear side face of the bed body, the vibration motors are located at the gravity center position of the bed body, the vibration motors on the front side and the rear side are connected into a whole through a central pipe to form a vibration source, a punching material spreading plate used for bearing materials is arranged in the bed body, and the materials on the punching material spreading plate generate directional vibration under the action of exciting force of the vibration motors, so that the materials are thrown along the horizontal direction.

The vibration fluidized bed commonly used in the market has the following problems: the vibration source is heavy in weight, and the heavy vibration source can cause a large burden on the bed body, so that the bed plate is easy to crack; the vibration of the vibration source belongs to point-type vibration, and the distance between the vibration motors on the front side and the rear side is wide, so that the vibration motors on the front side and the rear side are difficult to install and debug, and the vibration synchronism is poor, so that the material distribution on the punching paving plate is uneven, and the phenomena of material bias flow, channeling and flow speed and speed are easy to occur; the bed body is easy to generate resonance, so that the service life of the bed body is short.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a vibrated fluidized bed, wherein the bed body of the vibrated fluidized bed can uniformly vibrate and push materials, and the resonance phenomenon cannot be generated.

In order to solve the technical problem, the invention provides a vibrating fluidized bed which comprises a bed body and a vibration excitation device, wherein a punching and spreading plate for bearing materials is arranged in the bed body, the vibration excitation device comprises a front side plate and a rear side plate which are respectively arranged on the front side and the rear side of the bed body, an upper eccentric shaft and a lower eccentric shaft which are positioned right below the bed body are rotatably arranged between the front side plate and the rear side plate, the upper eccentric shaft is positioned above the lower eccentric shaft, a motor which is in transmission fit with the rear end of the upper eccentric shaft is arranged on the rear side plate, the front end of the upper eccentric shaft is in transmission fit with the lower eccentric shaft through a gear, and the transmission ratio of the gear transmission is 1.

Furthermore, a plurality of air bag supports are arranged on the front side and the rear side of the bed body respectively, each air bag support comprises an upright column, a rubber air spring is arranged on the top surface of each upright column, and the top surface of each rubber air spring is used for supporting and fixing the bed body; the air bag support with the structure has low working noise, and the bearing capacity and the vibration compensation quantity of the rubber air spring can be adjusted by changing the inflation pressure of the rubber air spring.

Further, the number of the rubber air springs is multiple and the rubber air springs are sequentially stacked; a plurality of rubber air springs arranged in a stacked mode have larger vibration compensation amount and are suitable for large-scale vibrated fluidized beds.

Further, the upper eccentric shaft and the lower eccentric shaft are supported by bearings to rotate.

Furthermore, the motor is in transmission fit with the rear end of the upper eccentric shaft through a belt.

Furthermore, the upper eccentric shaft and the lower eccentric shaft both comprise rotating shafts, fan-shaped eccentric blocks are arranged on the outer circular surfaces of the rotating shafts, and balancing weights are detachably and fixedly connected to the front end surfaces and the rear end surfaces of the eccentric blocks; by changing the weight of the balancing weight, the eccentric force of the eccentric shaft during rotation can be changed, and the amplitude of the bed body is further changed.

Furthermore, the axes of the upper eccentric shaft and the lower eccentric shaft are on a same plane, the included angle between the same plane and the horizontal plane is C, and the excitation device is provided with an adjusting device used for adjusting the size of the included angle C; by changing the size of the included angle C, the eccentric force of the eccentric shaft during rotation can be changed, and the amplitude of the bed body is further changed.

Furthermore, the end surfaces of the front side plate and the rear side plate are respectively provided with an arc-shaped hole with the eccentric shaft as the center, the adjusting device comprises a bearing sleeve which is in sliding fit with the arc-shaped hole, a bearing used for supporting the rotation of the lower eccentric shaft is fixed in the bearing sleeve in a matching manner, the outer sides of the front side plate and the rear side plate are respectively and rotatably provided with a nut seat positioned below the arc-shaped hole, a threaded hole of the nut seat is in threaded fit with a screw rod, one end of the screw rod is provided with a first rotating shaft, and the first rotating shaft is rotatably arranged on the bearing sleeve.

Furthermore, a locking nut positioned between the nut seat and the bearing sleeve is in threaded fit on the screw rod, and the locking nut is tightly pressed and attached to one side of the nut seat; the locking nut can prevent the screw from moving in the nut seat in a screwing way.

The invention has the beneficial effects that: the vibration of the vibration excitation device is linear vibration, and the vibration excitation device has uniform vibration, wide coverage and stable operation, so that the material in the bed body can be uniformly distributed, and the phenomena of bias flow, channeling and flow speed and speed of the material can be avoided; the excitation device is arranged right below the bed body, and the excitation force of the excitation device is transmitted outwards from the center, so that the bed body cannot resonate; the vibration excitation device is light in weight, so that the burden of the bed body is small, and the phenomenon of cracking of the bed plate cannot occur; the vibration excitation device is particularly suitable for large-scale vibrated fluidized beds, and the vibrated fluidized bed is particularly suitable for drying foamed granular materials with light specific gravity and large viscosity.

Drawings

In order to clearly illustrate the innovative principles of the invention and its technical advantages compared to the existing vibrated fluidized bed, a possible embodiment is illustrated below by way of non-limiting example applying said principles, with the aid of the accompanying drawings. In the figure:

FIG. 1 is a schematic view of a vibrated fluidized bed according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view taken at line A-A of FIG. 1;

FIG. 3 is a partial view taken from the direction B of FIG. 2;

FIG. 4 is a front view of the adjustment device;

FIG. 5 is a cross-sectional view taken at M-M of FIG. 4;

fig. 6 is an exploded view of fig. 4.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Example 1

As shown in fig. 1 to 6, a vibrated fluidized bed comprises a bed body 1 and a vibration excitation device, wherein a punching and spreading plate 2 for bearing materials is arranged in the bed body 1, the vibration excitation device comprises a front side plate 3 and a rear side plate 4 which are respectively arranged at the front side and the rear side of the bed body 1, an upper eccentric shaft 5 and a lower eccentric shaft 7 which are positioned right below the bed body 1 are rotatably arranged between the front side plate 3 and the rear side plate 4, the upper eccentric shaft 5 is positioned above the lower eccentric shaft 7, a motor 6 which is in transmission fit with the rear end of the upper eccentric shaft 5 is arranged on the rear side plate 4, the front end of the upper eccentric shaft 5 is in transmission fit with the lower eccentric shaft 7 through a gear, and the transmission ratio of the gear transmission is 1.

The front side and the rear side of the bed body 1 are respectively provided with a plurality of air bag supports 8, each air bag support 8 comprises a stand column 9, the top surface of each stand column 9 is provided with a rubber air spring 10, and the top surface of each rubber air spring 10 is used for supporting and fixing the bed body 1.

Preferably, the number of the rubber air springs 10 is 2, and the rubber air springs are stacked in sequence.

Preferably, the upper eccentric shaft 5 and the lower eccentric shaft 7 are supported for rotation by bearings.

Preferably, the motor 6 is in transmission fit with the rear end of the upper eccentric shaft 5 through a belt; the motor 6 can be matched with the rear end of the upper eccentric shaft 5 in a chain transmission way or a gear transmission way.

The upper eccentric shaft 5 and the lower eccentric shaft 7 both comprise a rotating shaft 11, a fan-shaped eccentric block 12 is arranged on the outer circular surface of the rotating shaft 11, and balancing weights are fixedly connected to the front end surface and the rear end surface of the eccentric block 12 through screws.

The axes of the upper eccentric shaft 5 and the lower eccentric shaft 7 are both on a coplanar 14, an included angle between the coplanar 14 and the horizontal plane is an included angle C, and the excitation device is provided with an adjusting device for adjusting the size of the included angle C.

The end faces of the front side plate 3 and the rear side plate 4 are respectively provided with an arc-shaped hole 16 with the eccentric shaft 5 as the center, the adjusting device comprises a bearing sleeve 17 which is in sliding fit in the arc-shaped hole 16, a bearing used for supporting the rotation of the lower eccentric shaft 7 is fixed in the bearing sleeve 17 in a matching mode, the outer sides of the front side plate 3 and the rear side plate 4 are respectively and rotatably provided with a nut seat 19 positioned below the arc-shaped hole 16, a threaded rod 20 is in threaded fit in a threaded hole of the nut seat 19, one end of the threaded rod 20 is provided with a first rotating shaft 22, the first rotating shaft 22 is rotatably arranged on the bearing sleeve 17, and the other end of the threaded rod 20 is provided with a handle.

Preferably, the inner side of the nut seat 19 is provided with a second rotating shaft 18, the nut seat 19 is rotatably arranged on the side plate through the second rotating shaft 18, the side wall of the bearing sleeve 17 is provided with a through hole, and the first rotating shaft 22 is rotatably matched in the through hole.

A locking nut 21 positioned between the nut seat 19 and the bearing sleeve 17 is matched on the screw rod 20 in a threaded manner, the locking nut 21 is tightly pressed and attached to one side of the nut seat 19, and the locking nut can prevent the screw rod from rotating and moving in the nut seat; by loosening the lock nut 21 and rotating the handle on the threaded rod 20, the bearing sleeve 17 slides in the arc-shaped hole 16 to change the size of the included angle C.

The vibration of the vibration excitation device is linear vibration, and the vibration of the vibration excitation deviceThe material distribution in the bed body 1 is uniform, the covering surface is wide, and the operation is stable, so that the material distribution is uniform, and the phenomena of material bias flow, channeling and flow speed and speed are avoided; the excitation device is arranged right below the bed body 1, and the excitation force of the excitation device is controlled by the control unitThe center is transmitted outwards, and the bed body is not enabled to be1Generating resonance; the above-mentionedThe vibration excitation device has light weight, so the burden of the bed body 1 is small, and the phenomenon of cracking of the bed plate can not occur; the vibration excitation device is particularly suitable for large-scale vibrated fluidized beds, and the vibrated fluidized bed is particularly suitable for drying foamed granular materials with light specific gravity and large viscosity.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a vibrated fluidized bed, includes bed body (1) and excitation device, its characterized in that: the vibration excitation device comprises a front side plate (3) and a rear side plate (4) which are respectively arranged on the front side and the rear side of the bed body (1), an upper eccentric shaft (5) and a lower eccentric shaft (7) which are positioned under the bed body (1) are rotatably arranged between the front side plate (3) and the rear side plate (4), the upper eccentric shaft (5) is positioned above the lower eccentric shaft (7), a motor (6) which is in transmission fit with the rear end of the upper eccentric shaft (5) is arranged on the rear side plate (4), the front end of the upper eccentric shaft (5) is in transmission fit with the lower eccentric shaft (7) through a gear, and the transmission ratio of the gear transmission is 1.

2. The vibratory fluidized bed of claim 1, wherein: the bed body (1) front and rear side all is equipped with a plurality of gasbag supports (8), gasbag support (8) are including stand (9), be equipped with rubber air spring (10) on the top surface of stand (9), the top surface of rubber air spring (10) is used for supporting fixed bed body (1).

3. A vibrated fluidized bed as defined in claim 2 wherein: the number of the rubber air springs (10) is a plurality and is arranged in a stacking mode.

4. The vibratory fluidized bed of claim 1, wherein: the upper eccentric shaft (5) and the lower eccentric shaft (7) are supported by bearings to rotate.

5. The vibratory fluidized bed of claim 1, wherein: the motor (6) is in transmission fit with the rear end of the upper eccentric shaft (5) through a belt.

6. The vibratory fluidized bed of claim 1, wherein: the upper eccentric shaft (5) and the lower eccentric shaft (7) both comprise a rotating shaft (11), a fan-shaped eccentric block (12) is arranged on the outer circular surface of the rotating shaft (11), and the front end surface and the rear end surface of the eccentric block (12) are fixedly connected with balancing weights in a detachable mode.

7. The vibratory fluidized bed of claim 1, wherein: the axes of the upper eccentric shaft (5) and the lower eccentric shaft (7) are on a coplanar surface (14), an included angle (C) is formed between the coplanar surface (14) and the horizontal plane, and an adjusting device is arranged on the vibration excitation device and used for adjusting the size of the included angle (C).

8. The vibratory fluidized bed of claim 7, wherein: the end face of preceding curb plate (3), posterior lateral plate (4) is gone up and is all seted up more than eccentric shaft (5) arc hole (16) as the center, adjusting device includes bearing housing (17) of sliding fit in arc hole (16), bearing housing (17) fit in is fixed with and is used for supporting down the bearing that eccentric shaft (7) is rotatory, the outside of preceding curb plate (3), posterior lateral plate (4) is all rotated and is provided with nut seat (19) that are located arc hole (16) below, screw-thread fit has screw rod (20) in the screw hole of nut seat (19), the one end of screw rod (20) is equipped with first pivot (22), and this first pivot (22) rotate and set up on bearing housing (17).

9. The vibratory fluidized bed of claim 8, wherein: the screw rod (20) is in threaded fit with a locking nut (21) located between the nut seat (19) and the bearing sleeve (17), and the locking nut (21) is tightly pressed and attached to one side of the nut seat (19).