Dustproof ultrasonic spin vibration screen

Abstract

The utility model belongs to the field of ultrasonic spin-vibration sieves, and particularly relates to a dustproof ultrasonic spin-vibration sieve which comprises a base, a plurality of evenly-distributed fixing seats are fixedly connected to the upper portion of the inner wall of the base, inner threaded pipes are installed in the fixing seats through bearings, and threaded rods are connected to the interiors of the inner threaded pipes through threads. A steel wire is fixedly connected to the upper end of the screw rod, a limiting cover is fixedly connected to the end, away from the screw rod, of the steel wire, a vibration base is fixedly connected to the upper end of the limiting cover, and a multi-stage vibration screen is fixedly connected to the upper end of the vibration base. The feeding hopper, the reamer, the cover plate and other structures are additionally arranged at the upper end of the screen cover, raw materials can be firstly added into the feeding hopper when feeding is needed, then the reamer is driven by the second motor to rotate, and the raw materials are fed into the multi-stage vibrating screen through the reamer to be fed. Therefore, dust can be prevented, and meanwhile raw materials can be added in the screening process.

Description

Technical Field

[0001] The utility model relates to the technical field of ultrasonic rotary vibrating screens, in particular to a dustproof ultrasonic rotary vibrating screen. Background Art

[0002] According to a new type of ultrasonic rotary vibrating screen proposed in patent application publication number: CN105642538A, the invention relates to a new type of ultrasonic rotary vibrating screen, belongs to the technical field of fine chemical equipment, and specifically relates to a new type of ultrasonic rotary vibrating screen. It includes a machine body, a plurality of screen frames are arranged on the machine body, an ultrasonic grid frame is arranged inside the screen frame, a discharge port is arranged outside each screen frame, an upper cover is arranged at the upper end of the machine body, the upper cover is arranged on the machine body through a fastening belt, and a feed port is arranged at the upper end of the upper cover. The present invention has high efficiency, easy net replacement, simple operation, and convenient cleaning. The mesh holes on the ultrasonic grid frame will not be blocked, and the powder will not fly.

[0003] However, the ultrasonic rotary vibrating screen in the prior art is often used to screen powder materials. During the screening process, the vibration will cause dust to fly, and a cover needs to be added to the vibrating screen, which makes it inconvenient to add materials during the screening process, and it is inconvenient to adjust the vibration amplitude of the vibrating screen according to the adhesion of the powder during the vibration process. Therefore, it is necessary to improve the prior art. Utility Model Content

[0004] The utility model aims to provide a dustproof ultrasonic rotary vibrating screen, which solves the problems of easy dust scattering caused by adding materials in the middle and inconvenience in adjusting the vibration amplitude.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a dust-proof ultrasonic rotary vibrating screen, comprising a base, a plurality of evenly distributed fixed seats fixedly connected to the upper inner wall of the base, an internal threaded tube is installed inside the fixed seat through a bearing, a screw is connected inside the internal threaded tube through a thread, a steel wire is fixedly connected to the upper end of the screw, an end of the steel wire away from the screw is fixedly connected to a limiting cover, the upper end of the limiting cover is fixedly connected to a vibration seat, the upper end of the vibration seat is fixedly connected to a multi-stage vibrating screen, the upper end of the multi-stage vibrating screen is connected to a screen cover through a thread, a dust-proof feeding mechanism is arranged on the screen cover, a motor is fixedly installed at the inner center of the base, an internal gear ring is installed inside the base through a bearing, the lower end of the internal gear ring is fixedly connected to a driving frame, the lower end of the internal threaded tube is fixedly connected to a gear, and a spring is arranged inside the fixed seat.

[0006] Preferably, the lower end of the driving frame is fixedly connected to the upper end of the output shaft of the motor 1, and the gear is meshed with the inner gear ring, and the inner gear ring can drive multiple gears to rotate simultaneously.

[0007] Preferably, one end of the spring is fixedly connected to the fixing seat, and the other end of the spring is fixedly connected to the limiting cover, and the spring can drive the multi-stage vibrating screen to vibrate through elastic force.

[0008] Preferably, an ultrasonic generator is fixedly connected to the interior of the vibration seat, the ultrasonic generator is in contact with the multi-stage vibration screen, and the ultrasonic generator can emit ultrasonic waves in a directionally manner.

[0009] Preferably, the dust-proof feeding mechanism includes a feeding hopper, the upper end of the screen cover is connected to the feeding hopper via a thread, a rotating shaft is installed inside the feeding hopper via a bearing, a reamer is fixedly connected to the lower outer side of the rotating shaft, a motor 2 is fixedly installed inside the feeding hopper, and two symmetrically distributed cover plates are hinged on the upper end of the feeding hopper, both of the cover plates are in contact with the motor 2, and the two cover plates are in contact with each other, and the cover plates can prevent dust from flying.

[0010] Preferably, the reamer is in contact with the feeding hopper, the output shaft of the second motor is fixedly connected to the upper end of the rotating shaft, and the reamer can perform unidirectional feeding to the multi-stage vibrating screen.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model adds a feeding hopper, a reamer, a cover plate and other structures on the upper end of the screen cover. When feeding is needed, the raw materials can be added into the inside of the feeding hopper first, and then the reamer is driven to rotate by the second motor, and the raw materials are sent into the inside of the multi-stage vibrating screen through the reamer for feeding, so that the raw materials can be added in the middle of the screening while preventing dust.

[0013] 2. The utility model adds structures such as an internal gear ring, a screw rod and a steel wire inside the base. During use, the meshing between the internal gear ring and the gear can drive the internal threaded tube to rotate. During the rotation of the internal threaded tube, the steel wire can be driven to move by the thread cooperation with the screw rod. During the movement of the steel wire, the compression degree of the spring can be adjusted. After the spring is compressed, the elastic force value increases. After the elastic force value increases, the vibration amplitude decreases, and the vibration amplitude increases when placed, so that the vibration amplitude can be easily adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0015] Figure 2 For the utility model Figure 1 A three-dimensional cross-sectional view of

[0016] Figure 3 For the utility model Figure 1 A three-dimensional cross-sectional view of a base;

[0017] Figure 4 For the utility model Figure 3 A-section structure enlarged view.

[0018] In the figure: 1. base; 2. fixing seat; 3. internal threaded pipe; 4. screw; 5. steel wire; 6. limit cover; 7. vibration seat; 8. multi-stage vibration screen; 9. screen cover; 10. dust-proof feeding mechanism; 11. motor 1; 12. driving frame; 13. internal gear ring; 14. gear; 15. spring; 16. ultrasonic generator; 101. feeding hopper; 102. rotating shaft; 103. reamer; 104. motor 2; 105. cover plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 A dustproof ultrasonic rotary vibrating screen comprises a base 1, a plurality of evenly distributed fixed seats 2 are fixedly connected to the upper inner wall of the base 1, an internal threaded tube 3 is installed inside the fixed seat 2 through a bearing, a screw 4 is connected inside the internal threaded tube 3 through a thread, a steel wire 5 is fixedly connected to the upper end of the screw 4, an end of the steel wire 5 away from the screw 4 is fixedly connected to a limiting cover 6, a vibration seat 7 is fixedly connected to the upper end of the limiting cover 6, a multi-stage vibrating screen 8 is fixedly connected to the upper end of the vibration seat 7, a screen cover 9 is threadedly connected to the upper end of the multi-stage vibrating screen 8, a dustproof feeding mechanism 10 is arranged on the screen cover 9, a motor 11 is fixedly installed at the inner center of the base 1, an internal gear ring 13 is installed inside the base 1 through a bearing, a driving frame 12 is fixedly connected to the lower end of the internal gear ring 13, a gear 14 is fixedly connected to the lower end of the internal threaded tube 3, and a spring 15 is arranged inside the fixed seat 2.

[0021] See also Figure 1 , Figure 2 , Figure 3 , Figure 4The lower end of the driving frame 12 is fixedly connected to the upper end of the output shaft of the motor 11, the gear 14 is meshed with the inner gear ring 13, the inner gear ring 13 can drive multiple gears 14 to rotate at the same time, one end of the spring 15 is fixedly connected to the fixed seat 2, and the other end of the spring 15 is fixedly connected to the limit cover 6. The spring 15 can drive the multi-stage vibrating screen 8 to vibrate through elastic force. The inside of the vibration seat 7 is fixedly connected with an ultrasonic generator 16, the ultrasonic generator 16 is in contact with the multi-stage vibrating screen 8, and the ultrasonic generator 16 can emit ultrasonic waves in a direction.

[0022] See also Figure 1 , Figure 2 The dust-proof feeding mechanism 10 includes a feeding hopper 101, the upper end of the screen cover 9 is connected to the feeding hopper 101 through a thread, the inside of the feeding hopper 101 is installed with a rotating shaft 102 through a bearing, the lower outer side of the rotating shaft 102 is fixedly connected with a reamer 103, the inside of the feeding hopper 101 is fixedly installed with a motor 2 104, the upper end of the feeding hopper 101 is hinged with two symmetrically distributed cover plates 105, the two cover plates 105 are in contact with the motor 2 104, the two cover plates 105 are in contact with each other, the cover plates 105 can prevent dust from flying, the reamer 103 is in contact with the feeding hopper 101, the output shaft of the motor 2 104 is fixedly connected to the upper end of the rotating shaft 102, and the reamer 103 can feed the multi-stage vibrating screen 8 in a one-way manner.

[0023] The specific implementation process of the utility model is as follows: when in use, the motor 11 is started, and the motor 11 drives the inner gear ring 13 to rotate through the driving frame 12. During the rotation of the inner gear ring 13, the gear 14 can drive the internal threaded tube 3 to rotate. During the rotation of the internal threaded tube 3, the steel wire 5 can be driven to move by the thread cooperation with the screw 4. During the movement of the steel wire 5, the distance between the limit cover 6 and the fixed seat 2 can be adjusted. During the change of the distance between the limit cover 6 and the fixed seat 2, the length of the spring 15 can be adjusted, so that the elastic force value of the spring 15 can be adjusted. After the adjustment is completed, the ultrasonic generator 16 is started, and the ultrasonic generator 16 generates ultrasonic waves to drive the multi-stage vibrating screen 8 to vibrate, and the multi-stage vibrating screen 8 can screen the raw materials;

[0024] When it is necessary to add raw materials inside during the screening process, open the cover 105, and then put the raw materials into the hopper 101. After the rapid addition is completed, reset the cover 105, seal the hopper 101, and then start the motor 104. The motor 104 drives the reamer 103 to rotate through the rotating shaft 102. The reamer 103 can add the raw materials inside the hopper 101 to the inside of the multi-stage vibrating screen 8 during the rotation process, so that the material can be added to the inside of the multi-stage vibrating screen 8 while preventing dust, making the device more convenient to use.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dustproof ultrasonic rotary vibrating screen, comprising a base (1), characterized in that: The upper part of the inner wall of the base (1) is fixedly connected to a plurality of evenly distributed fixing seats (2); an internally threaded tube (3) is installed inside the fixing seat (2) via a bearing; a screw rod (4) is connected inside the internally threaded tube (3) via a thread; a steel wire (5) is fixedly connected to the upper end of the screw rod (4); an end of the steel wire (5) away from the screw rod (4) is fixedly connected to a limiting cover (6); the upper end of the limiting cover (6) is fixedly connected to a vibration seat (7); the upper end of the vibration seat (7) is fixedly connected to a plurality of A vibrating screen (8), wherein the upper end of the multi-stage vibrating screen (8) is connected to a screen cover (9) via a thread, the screen cover (9) is provided with a dustproof feeding mechanism (10), a motor (11) is fixedly installed at the inner center of the base (1), an inner gear ring (13) is installed inside the base (1) via a bearing, the lower end of the inner gear ring (13) is fixedly connected to a driving frame (12), the lower end of the internal threaded tube (3) is fixedly connected to a gear (14), and a spring (15) is provided inside the fixed seat (2).

2. The dustproof ultrasonic rotary vibrating screen according to claim 1, characterized in that: The lower end of the driving frame (12) is fixedly connected to the upper end of the output shaft of the motor 1 (11), and the gear (14) is meshed with the inner gear ring (13).

3. The dustproof ultrasonic rotary vibrating screen according to claim 1, characterized in that: One end of the spring (15) is fixedly connected to the fixing seat (2), and the other end of the spring (15) is fixedly connected to the limiting cover (6).

4. The dustproof ultrasonic rotary vibrating screen according to claim 1, characterized in that: An ultrasonic generator (16) is fixedly connected inside the vibration seat (7), and the ultrasonic generator (16) is in contact with the multi-stage vibration screen (8).

5. The dustproof ultrasonic rotary vibrating screen according to claim 1, characterized in that: The dust-proof feeding mechanism (10) comprises a feeding hopper (101), the upper end of the screen cover (9) is connected to the feeding hopper (101) via a thread, a rotating shaft (102) is installed inside the feeding hopper (101) via a bearing, a reamer (103) is fixedly connected to the lower outer side of the rotating shaft (102), a second motor (104) is fixedly installed inside the feeding hopper (101), and two symmetrically distributed cover plates (105) are hingedly connected to the upper end of the feeding hopper (101), both of the two cover plates (105) are in contact with the second motor (104), and the two cover plates (105) are in contact with each other.

6. The dustproof ultrasonic rotary vibrating screen according to claim 5, characterized in that: The reamer (103) is in contact with the hopper (101), and the output shaft of the second motor (104) is fixedly connected to the upper end of the rotating shaft (102).

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