CN213001130U - Ultrasonic rotary vibration sieve - Google Patents

Abstract

The utility model discloses an ultrasonic rotary vibration sieve, which comprises a sieve body, a frame, a vibration isolation device, an ultrasonic power supply and a dust filtering bag, wherein a shock pad is fixedly arranged at the lower end of the frame, the vibration isolation device is fixedly arranged at the upper end of the frame, the sieve body is fixedly arranged at the upper end of the vibration isolation device, a dust cover is fixedly arranged at the upper end of the sieve body through threads, and a feed inlet is fixedly arranged at the upper end of the dust cover; in the screening process of the utility model, the screening machine is communicated with the outside air through the filter bag, which not only can keep the balance of the air pressure inside and outside the screening machine, but also can prevent the dust in the screening machine from overflowing, and has simple structure; the utility model adopts the uniform separation net to distribute the powder in multiple points and reduce the time of vibration screening; the utility model discloses an add ultrasonic transducer, introduce a low amplitude, high-frequency ultrasonic vibration wave, make super fine powder accept huge ultrasonic acceleration to restrain adhesion, friction, flat falling, wedging etc. and play net factor, improve screening efficiency and clear net efficiency.

Description

Ultrasonic rotary vibration sieve

Technical Field

The utility model relates to a powder shakes sieve technical field soon, concretely relates to ultrasonic wave shakes sieve soon.

Background

With the rapid development of industries such as chemical industry, medicine, plastics, food, stone processing and the like, the requirements on the separation and yield of materials (such as limestone, quartz sand, grinding agents, plastic products, superfine materials and the like) are more and more strict, the rotary vibration sieve is a high-precision fine powder sieving machine, the rotary vibration sieve has low noise and high efficiency, the quick net change needs 3-5 minutes, and the rotary vibration sieve has a fully-closed structure and is suitable for sieving and filtering materials such as particles, powder, mucilage and the like; the rotary vibration sieve uses vertical electrode as exciting source, and the upper and lower ends of motor are equipped with eccentric weight, and can change the rotary motion of electrode into horizontal, vertical and oblique three-dimensional motion, and transfer said motion to the drying surface, and can change the motion track of material on the drying surface by regulating phase angle of upper and lower ends. However, the phenomenon that the screen mesh is blocked and is not easy to clean still exists in the screening of the superfine powder. In view of the above drawbacks, it is necessary to design an ultrasonic rotary vibration screen.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ultrasonic wave is sieve that shakes soon to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an ultrasonic rotary vibration sieve comprises a sieve body, a machine base, a vibration isolation device, an ultrasonic power supply and a dust filtering bag, the lower end of the machine base is fixedly provided with a shock pad, the upper end of the machine base is fixedly provided with a vibration isolation device, the upper end of the vibration isolation device is fixedly provided with a sieve body, the upper end of the sieve body is fixedly provided with a dustproof cover through threads, the screening machine body comprises three screening frames, the three screening frames are fixedly connected through a compression ring, a discharge hole is formed in one side of each screening frame, a round hole is formed in the dustproof cover, the welding of round hole department at the shield has outer silk frame, the round hole that sets up on the shield is more than two at least, is evenly distributed on the shield, and it has the cage bone to screw on the outer silk frame, the oral area of cage bone has the screw thread, the cage bone dustcoat has the dust filter bag.

Preferably, the bottom of the screen frame body is provided with a vibrating frame body, the vibrating frame body is connected with the base, and the screen frame body is provided with an umbrella-shaped uniform net.

Preferably, the vibration isolation device comprises a plurality of springs, the two ends of each spring are connected with fixing blocks, and threaded through holes are formed in the fixing blocks.

Preferably, the machine base and the screen body are respectively provided with a threaded hole with the same size as the threaded through hole on the fixing block, the fixing block is respectively provided with a bolt, and the bolt penetrates through the threaded through hole and the threaded hole to enable the two fixing blocks to be respectively connected with the machine base and the screen body.

Preferably, a screen is fixedly installed in the screen frame, and the screen and the discharge port are located at the same horizontal position.

Preferably, every layer of screen cloth all includes screen cloth and lower screen cloth, goes up screen cloth and is supported by rack fixed support with lower screen cloth, goes up the screen cloth and is equipped with the ultrasonic resonance ring with the concentric circles position between the screen cloth down, the ultrasonic resonance ring is elastic plastic spare.

Preferably, a connecting port is arranged in the center of the ultrasonic resonance ring, the connecting port is connected with a vibration transmission shaft, the vibration transmission shaft is connected with an ultrasonic transducer, the ultrasonic transducer is positioned above the center of the screen through a support frame, and the support frame is used for supporting the ultrasonic transducer.

Preferably, the ultrasonic transducer is connected with a cable, and the cable penetrates through a through hole formed in the screen frame along the support frame to be connected with the ultrasonic power supply.

Preferably, the discharge hole inner cavity is fixedly provided with a leakage net, the leakage net is obliquely arranged in the discharge hole inner cavity at an angle of minus 45 degrees, and the lower end of the leakage net is fixedly provided with a partition plate.

Compared with the prior art, the ultrasonic rotary vibration sieve of the utility model has the advantages that in the sieving process, the sieving machine is communicated with the outside air through the filter bag, thereby not only keeping the balance of the air pressure inside and outside the sieving machine, but also preventing the dust in the sieving machine from overflowing, and having simple structure and environmental protection; the utility model has the advantages that when the vibrating screen box body of the rotary vibrating screen vibrates due to the uniform distribution of the springs, the stress of the springs is more uniform, and the situation that the stress of one side is too large to cause the spring to be damaged due to transition can not occur; the utility model adopts the uniform separation net to distribute the powder in multiple points and reduce the time of vibration screening; the utility model discloses an add ultrasonic transducer, introduce a low amplitude, high-frequency ultrasonic vibration wave, make super fine powder accept huge ultrasonic acceleration to restrain adhesion, friction, flat falling, wedging etc. and play net factor, improve screening efficiency and clear net efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of an ultrasonic rotary vibration sieve of the present invention;

fig. 2 is a schematic view of the internal structure of the screen body in the ultrasonic rotary vibration screen of the present invention;

FIG. 3 is a schematic view of the internal structure of a frame of the ultrasonic rotary vibrating screen of the present invention;

FIG. 4 is a cross-sectional view of a discharge port of an ultrasonic rotary vibration sieve of the present invention;

FIG. 5 is a schematic view of the structure at A in FIG. 2;

fig. 6 is a schematic structural diagram at B in fig. 2.

In the drawings:

1. a sieve body; 2. a shock pad; 3. a machine base; 4. a vibration isolation device; 5. a dust cover; 6. a feed inlet; 7. a screen frame; 8. pressing a ring; 9. a discharge port; 10. vibrating the machine body; 11. an umbrella-shaped uniform net; 12. a spring; 13. a fixed block; 14. a threaded through hole; 15. a bolt; 16. screening a screen; 17. feeding a screen mesh; 18. a lower screen mesh; 19. an ultrasonic resonance ring; 20. a connecting port; 21. a vibration transmission shaft; 22. an ultrasonic transducer; 23. A support frame; 24. a cable; 25. a through hole; 26. a net frame; 27. an ultrasonic power supply; 28. a leakage net; 29. A partition plate; 30. an external thread machine base; 31. a dust filter bag; 32. cage bones; 33. and (5) clamping a hoop.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides an ultrasonic wave sieve that shakes soon, includes sieve organism 1, frame 3, vibration isolation device 4, ultrasonic power supply 27 and dust filter bag 31, 3 lower extreme fixed mounting of frame have shock pad 2, 3 upper end fixed mounting of frame have vibration isolation device 4, and the vibrations that produce during ultrasonic vibration are great, and long-time use causes the damage to sieve organism 1 easily, and vibration isolation device 4 can carry out the protection to sieve organism 1. The upper end of the vibration isolation device 4 is fixedly provided with a screen body 1, and the upper end of the screen body 1 is fixedly provided with a dust cover 5 through threads to prevent dust from entering. 5 upper end fixed mounting of shield has feed inlet 6, drops into from feed inlet 6 and does not sieve the metal powder, sieve organism 1 includes reel 7, reel 7 passes through clamping ring 8 and connects shield 5, and reel 7 is three, and is three through clamping ring 8 fixed connection between the reel 7, reel 7 one side is equipped with discharge gate 9.

In this embodiment, the bottom of the screen body 1 is provided with a vibrating body 10, the vibrating body 10 is connected with the base 3, the screen body 1 is provided with an umbrella-shaped uniform distribution net 11, and the umbrella-shaped uniform distribution net 11 is located inside the dust cover 5 and above the screen frame 7.

The vibration isolation device 4 in this embodiment includes a plurality of springs 12, and both ends of the plurality of springs 12 are connected with fixing blocks 13, preferably, the fixing blocks 13 are made of iron, and the surface of the fixing blocks is coated with a rust-proof paint layer, so that the iron is high in strength and not easy to damage, the rust-proof paint layer can prevent the fixing blocks 13 from rusting, and the service life is longer; a plurality of springs 12 all can dismantle with frame 3 and sieve organism 1 respectively through two fixed blocks 13 and be connected, preferably, threaded through-hole 14 has been seted up on the fixed block 13, all be equipped with on frame 3 and the sieve organism 1 with the same screw hole of 14 sizes of threaded through-hole on the fixed block 13, all be equipped with bolt 15 on the fixed block 13, bolt 15 passes threaded through-hole 14 and screw hole and makes two fixed blocks 13 be connected with frame 3 and sieve organism 1 respectively, spring 12 has been fixed indirectly, and it is all very convenient to dismantle the installation through threaded connection's mode, spring 12 quantity designs according to the demand.

In this embodiment all set up the groove with fixed block 13 looks adaptation on frame 3 and the sieve organism 1, be equipped with the screw hole on the cell wall, put into the inslot on frame 3 and the sieve organism 1 with fixed block 13, connect through bolt 15, on the one hand more pleasing to the eye, can not have the convex structure of fixed block 13, on the other hand has saved the material, can not also not collided with.

In this embodiment, the springs 12 are uniformly distributed between the base 3 and the screen body 1, so that when the screen body 1 of the rotary vibrating screen vibrates, the springs 12 are stressed more uniformly, and the situation that the springs 12 are stressed excessively and damaged due to stress transition of one side of the screen body is avoided.

In this embodiment, the screen 16 is fixedly installed in the screen frame 7, the screen 16 and the discharge port 9 are located at the same horizontal position, the number of layers of the screen 16 is 2-5, the powder can be accurately classified into 2-6 grades at the same time, the screen can be screened to 500 meshes at the highest, preferably, the screen 16 of the present invention is three layers, the screen frame 7 is three, the number of the press rings 8 is four, each layer of the screen 16 includes an upper screen 17 and a lower screen 18, the upper screen 17 and the lower screen 18 are fixedly supported by a net frame 26, an ultrasonic resonance ring 19 is arranged between the upper screen 17 and the lower screen 18 at a concentric circle position, the ultrasonic resonance ring 19 is an elastic plastic part, which plays a role of vibration cleaning and also plays a role of buffering and protecting the screen from damage, a connector 20 is arranged at the center of the ultrasonic resonance ring 19, the connector 20 is connected with a vibration transmission shaft 21, the vibration transmission shaft 21 is connected with an ultrasonic transducer, the ultrasonic transducer 22 is positioned above the center of the screen 16 through a support frame 23, the support frame 23 is used for supporting the ultrasonic transducer 22, the screen 16 does not bear the weight of the ultrasonic transducer 22, the screen 16 is prevented from being damaged, the ultrasonic transducer 22 is connected with a cable 24, and the cable 24 passes through a through hole 25 formed in the screen frame along the support frame 23 and is connected with an ultrasonic power supply 27.

The ultrasonic resonance ring 19 in this embodiment may be circular, square, spiral, or elliptical, and in this embodiment, a circular shape is used.

In this embodiment, the inner cavity of the discharge port 9 is fixedly provided with the leakage net 28, the leakage net 28 is obliquely arranged in the inner cavity of the discharge port 9 at an angle of minus 45 degrees, and the leakage net 28 can prevent residual metal powder with small specification from being mixed in metal powder with large specification. The lower end of the leakage net 28 is fixedly provided with a clapboard 29, and the large-size metal powder and the small-size metal powder separated by the leakage net 28 flow out through different channels.

In this embodiment be provided with the round hole on the shield 5, the welding has outer silk frame 30 in the round hole department of shield 5, the round hole that sets up on the shield 5 is more than two at least, and evenly distributed is on the shield 5, and the outer silk frame is screwed there is the cage bone 32, the oral area of cage bone has the screw thread, the cage bone dustcoat has dust bag 31, and the clamp 33 chucking is used to the opening part of dust bag. In the screening process, the screening machine is communicated with the outside air through the filter bag, so that the balance of the air pressure inside and outside the screening machine can be kept, the dust in the screening machine can be prevented from overflowing, and the screening machine has a simple structure and is environment-friendly.

The utility model adopts the uniform separation net to distribute the powder in multiple points and reduce the time of vibration screening; and the ultrasonic transducer is additionally arranged, and a low-amplitude and high-frequency ultrasonic vibration wave is introduced, so that the ultrafine powder receives a huge ultrasonic acceleration, thereby inhibiting the net factors such as adhesion, friction, flat falling, wedging and the like, and improving the screening efficiency and the net cleaning efficiency.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides an ultrasonic wave rotary vibration sieve which characterized in that: comprises a sieve body (1), a machine base (3), a vibration isolation device (4), an ultrasonic power supply (27) and a dust filtering bag (31), wherein a shock pad (2) is fixedly arranged at the lower end of the machine base (3), the vibration isolation device (4) is fixedly arranged at the upper end of the machine base (3), the sieve body (1) is fixedly arranged at the upper end of the vibration isolation device (4), a dust cover (5) is fixedly arranged at the upper end of the sieve body (1) through threads, a feed inlet (6) is fixedly arranged at the upper end of the dust cover (5), the sieve body (1) comprises a sieve frame (7), the sieve frame (7) is connected with the dust cover (5) through a compression ring (8), the sieve frame (7) is provided with three sieve frames (7), the sieve frames (7) are fixedly connected through the compression ring (8), a discharge outlet (9) is arranged on one side of the sieve, the welding of round hole department at shield (5) has outer silk frame (30), the round hole that sets up on shield (5) is more than two at least, is evenly distributed on shield (5), has screwed on outer silk frame (30) cage bone (32), the oral area of cage bone has the screw thread, the cage bone dustcoat has dust bag (31).

2. The ultrasonic rotary vibration screen according to claim 1, wherein: the vibrating screen is characterized in that a vibrating screen body (10) is arranged at the bottom of the screen body (1), the vibrating screen body (10) is connected with the base (3), and an umbrella-shaped uniform screen (11) is arranged on the screen body (1).

3. The ultrasonic rotary vibration screen according to claim 1, wherein: the vibration isolation device (4) comprises a plurality of springs (12), two ends of each spring (12) are connected with a fixing block (13), and each fixing block (13) is provided with a threaded through hole (14).

4. The ultrasonic rotary vibration screen according to claim 1, wherein: the machine base (3) and the sieve body (1) are respectively provided with a threaded hole with the same size as the threaded through hole (14) in the fixing block (13), the fixing block (13) is respectively provided with a bolt (15), and the bolt (15) penetrates through the threaded through hole (14) and the threaded hole to enable the two fixing blocks (13) to be respectively connected with the machine base (3) and the sieve body (1).

5. The ultrasonic rotary vibration screen according to claim 1, wherein: the screen frame (7) is internally and fixedly provided with a screen (16), and the screen (16) and the discharge hole (9) are positioned at the same horizontal position.

6. An ultrasonic rotary vibration screen according to claim 5, wherein: every layer of screen cloth (16) all includes screen cloth (17) and lower screen cloth (18), goes up screen cloth (17) and is supported by rack (26) fixed with lower screen cloth (18), goes up the concentric circles position between screen cloth (17) and lower screen cloth (18) and is equipped with ultrasonic resonance ring (19), ultrasonic resonance ring (19) are elastic plastic spare.

7. The ultrasonic rotary vibration screen according to claim 6, wherein: the center of the ultrasonic resonance ring (19) is provided with a connecting port (20), the connecting port (20) is connected with a vibration transmission shaft (21), the vibration transmission shaft (21) is connected with an ultrasonic transducer (22), the ultrasonic transducer (22) is positioned above the center of the screen (16) through a supporting frame (23), and the supporting frame (23) is used for supporting the ultrasonic transducer (22).

8. An ultrasonic rotary vibration screen according to claim 7, wherein: the ultrasonic transducer (22) is connected with a cable (24), and the cable (24) penetrates through a through hole (25) formed in the screen frame along the support frame (23) and is connected with an ultrasonic power supply (27).

9. The ultrasonic rotary vibration screen according to claim 1, wherein: discharge gate (9) inner chamber fixed mounting has hourglass net (28), it sets up in discharge gate (9) inner chamber to leak net (28) is the slope of negative 45 degrees angles, it has baffle (29) to leak net (28) lower extreme fixed mounting.

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