CN211330188U

CN211330188U - Disc rotary vibration sieve

Info

Publication number: CN211330188U
Application number: CN201921985433.1U
Authority: CN
Inventors: 王磊
Original assignee: Daqing Sanxing Mahcinery Manufacturing Co ltd
Current assignee: Daqing Sanxing Mahcinery Manufacturing Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-08-25
Anticipated expiration: 2029-11-18

Abstract

The utility model belongs to the technical field of polyacrylamide divides the sieve, especially relate to a disc sieve that shakes soon, including base, vibrating motor, spring, sieve main part and at least two sets of bank screens that shake soon, open in the center of screen deck has the feed inlet, is provided with the feed back dish between feed inlet and the top screen cloth to and between the adjacent two-layer screen cloth, feed back dish central authorities protruding downwards, and the central department opens there is the feed opening, screen cloth central authorities protruding upwards, the rigid coupling has the spiral baffle of involute shape on the screen cloth, and then makes the material that falls into the screen cloth center roll by the height to low spiral along the passageway that the spiral baffle formed under the vibration; the screen frame below each layer of screen cloth is uniformly and fixedly connected with a universal air injection device along the circumferential direction. The utility model provides a tradition shake soon and sieve the material and divide the problem that the sieve percent of pass is low, also solved tradition shake soon and clear up loaded down with trivial details problem after the screen cloth of sieve blocks up, the utility model discloses promote the qualification rate of screening by a wide margin, also simplified clearance screen cloth work flow.

Description

Disc rotary vibration sieve

Technical Field

The utility model belongs to the technical field of the polyacrylamide divides the sieve, especially, relate to a disc sieve that shakes soon.

Background

The screening equipment is needed in the screening process of the polyacrylamide particles, the screening equipment commonly used at present is a disc vibrating screen, the disc vibrating screen is a high-precision fine powder screening machine, and can be used for removing impurities of single-layer powder, grading the granularity of multiple layers and separating and filtering solid and liquid, the number of layers can be customized according to the needs (the screening equipment can be disassembled and assembled in a layered free combination mode), and the screening equipment is general screening equipment with high cost performance and multiple purposes.

The traditional disc vibrating screen is characterized in that materials are screened by a first layer of screen frame and then enter a second layer of screen frame, the materials are discharged from a discharge port from the center of a screen surface to the edge of the screen surface through high-frequency vibration, in the screening process, the material stroke is basically equal to the radius of the screen surface, and a lot of materials which are not screened can be sent to the discharge port to be discharged because of coming out of time to contact with the screen surface, so that the screening efficiency is low, time is wasted, and the screening effect of the materials can not be achieved; in addition, the screen cloth stifled hole phenomenon is serious, need dismantle the clearance with the screen cloth behind the stifled hole, and is time-consuming, is unfavorable for work efficiency's promotion.

SUMMERY OF THE UTILITY MODEL

For solving the problem that the screening percent of pass is low of traditional sieve that shakes soon among the background art, also solved the loaded down with trivial details problem of screen cloth clearance of jam, the utility model provides a disc sieve that shakes soon, the utility model discloses possess the characteristics of screening effectual, laborsaving, environmental protection.

The utility model provides a technical scheme is: a disc rotary vibration sieve comprises a base, a vibration motor, a spring, a rotary vibration sieve main body and at least two groups of sieve frames, wherein each group of sieve frames is provided with a sieve net, the sieve frames are arranged from top to bottom, the mesh sizes of the sieve nets become smaller layer by layer, a sieve cover is arranged above the sieve frame at the top layer, the sieve net height parts of each group of sieve frames are respectively communicated with a discharge hole, the center of the sieve cover is provided with a feed inlet, material returning discs are arranged between the feed inlet and the sieve frame at the top layer and between two adjacent sieve nets, the center of each material returning disc is downwards protruded, a discharge hole is arranged at the center of each material returning disc, the center of each sieve net is upwards protruded, the sieve net is fixedly connected with an involute-shaped spiral partition plate, and materials falling into the center of the sieve net roll spirally from high to low along a channel formed by; the screen frame of every layer screen cloth below has universal air jet system along the even rigid coupling of circumference, universal air jet system include mount pad, ball seat, sealing cap and a ball section of thick bamboo, the mount pad rigid coupling on the screen frame, the ball seat embed respectively in mount pad and sealing cap, a ball section of thick bamboo include bulb portion and barrel part, bulb portion set up inside the ball seat, the sealing cap with bulb portion encapsulation in the mount pad, bulb portion mount pad rotation relatively, barrel part install the both ends at bulb portion, bulb part separately has the through-hole with barrel part intercommunication.

The end part of the ball cylinder in the sieve frame is connected with a horn-shaped air nozzle; the space surrounded by the tail end of the spiral partition plate, the discharge hole and the sieve frame is a dead angle, filler is filled in the dead angle, and the height of the filler is higher than that of the spiral partition plate; the filler has high and low gradients, and the height of one side close to the screen frame is greater than that of one side far away from the screen frame; the outer ends of all the universal air injection devices are connected to one air supply device together.

The utility model has the advantages that:

1. the utility model provides a falling is concentrated with the material to the feed back dish, make the material can fall into the central authorities of its below screen cloth, the central authorities of screen cloth are upwards protruding, involute-shaped spiral baffle can make the material that falls into screen cloth central authorities roll by high to low spiral along the passageway that spiral baffle formed under the vibration action on the screen cloth, material stroke equals the screen cloth radius basically and compares in sieving with traditional whirling, great extension the stroke of material, the contact chance of tiny particle material and screen cloth has been increased, promote its probability of being sieved and leaking into the one deck down, make the screening effect obtain promoting.

2. In the utility model, when the screen is blocked, the universal air injection device injects air to the screen from bottom to top, and the blocked screen is cleaned up under the action of air flow, so that the equipment does not need to be opened to take out the screen; the whole process is labor-saving and environment-friendly, and waste of materials is avoided.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view at a in fig. 1.

Fig. 3 is a schematic structural view of the universal air injection device of the present invention.

Fig. 4 is a schematic diagram of the end portion of the inner side of the middle universal air injection device of the present invention tilting upward.

Fig. 5 is a schematic view of the inner side end of the middle universal jet device of the present invention facing downward.

In the figure: 1-base, 2-vibrating motor, 3-spring, 4-rotary vibrating screen body, 5-screen frame, 6-screen, 7-discharge port, 8-screen cover, 9-feed port, 10-feed back pan, 11-feed port, 12-spiral clapboard, 13-universal air injection device, 1301-mounting seat, 1302-ball seat, 1303-sealing cap, 1304-ball cylinder, 1305-air injection head, 13041-ball head part, 13042-cylinder part and 14-dead angle.

Detailed Description

Combine accompanying figures 1-5, this embodiment includes base 1, vibrating motor 2, spring 3, shakes soon sieve main part 4 and at least two sets of bank of screens 5, each group be provided with screen cloth 6 on the bank of screens 5, bank of screens 5 is arranged from top to bottom, and the mesh size successive layer of its screen cloth 6 diminishes, and the top of top layer bank of screens 5 is the screen lid 8, and each group's 6 high departments of screen cloth of bank of screens 5 communicate respectively has discharge gate 7. The above is the structure existing in the prior art, and is not described in detail herein.

The utility model discloses an innovation point lies in:

the central authorities of sieve lid 8 open and have feed inlet 9, between feed inlet 9 and the top layer screen cloth 6 to and all be provided with feed back dish 10 between the adjacent two-layer screen cloth 6, feed back dish 10 can guarantee that the material that gets into screen cloth 6 falls in the central authorities of screen cloth 6, feed back dish 10 central authorities arch downwards to central department opens there is feed opening 11, makes the material smooth feed opening 11 to central authorities of sliding in feed back dish 10 edge, screen cloth 6 central authorities arch upwards, the rigid coupling has the spiral baffle 12 of involute shape on the screen cloth 6, and then makes the material that falls into screen cloth 6 center roll by high to low spiral along the passageway that spiral baffle 12 formed under the vibration, has increased the contact chance of tiny particle material and screen cloth 6, promotes its probability of being sieved and leaking into the one deck down, makes the screening effect obtain the promotion.

The screen frame 5 below each layer of screen 6 is uniformly and fixedly connected with a universal air injection device 13 along the circumferential direction, when the screen 6 is blocked, air is injected to the screen 6 from bottom to top through the universal air injection device 13, and the blocked screen 6 is cleaned under the action of air flow, so that the complicated steps of opening equipment, taking out the screen 6 and the like are not needed in the process; the whole process is labor-saving and environment-friendly, and waste of materials is avoided.

The universal air injection device 13 comprises an installation seat 1301, a ball seat 1302, a sealing cap 1303 and a ball barrel 1304, wherein the installation seat 1301 is fixedly connected to the sieve frame 5, the ball seat 1302 is respectively arranged in the installation seat 1301 and the sealing cap 1303, the ball barrel 1304 comprises a ball head part 13041 and a barrel part 13042, the ball head part 13041 is arranged in the ball seat 1302, the sealing cap 1303 seals the ball head part 13041 in the installation seat 1301, the ball head part 13041 can rotate relative to the installation seat 1301, the barrel part 13042 is arranged at two ends of the ball head part 13041, the ball head part 13041 is provided with a through hole for communicating the barrel part 13042, and the outer ends of all the universal air injection devices 13 are connected to one air supply device together. When the screen 6 needs to be cleaned, the ball head part 13041 is rotated, the end parts of all the barrel part 13042 on the inner side of the screen frame 5 are tilted upwards, the air supply device is started to supply air to the universal air injection devices 13, the universal air injection devices 13 simultaneously dredge the blocked screen 6 through the injected air until the screen 6 is cleaned up, the cleaning mode does not need to open equipment, the working strength is reduced, and meanwhile, no material is splashed out, so that the cleaning machine is safe and environment-friendly. After the screen 6 is cleaned, the ball head portion 13041 is rotated to make all the cylinder portions 13042 on the inner side of the screen frame 5 end downwards, so that the falling materials are prevented from entering the cylinder portions 13042.

The end of the ball drum 1304 inside the sieve frame 5 is connected with a horn-shaped air nozzle 1305, the spraying area is further increased, the area sprayed to the screen 6 is larger, and the cleaning effect of the screen 6 is better.

As shown in fig. 2, a space surrounded by the end of the spiral partition plate 12, the sieve frame 5 and the discharge hole 7 is a dead angle 14, and in the drawing, the dead angle 14 is filled with a filler, and the height of the filler is higher than that of the spiral partition plate 12; the filler has high and low gradient, and the height of one side close to the screen frame 5 is greater than that of one side far away from the screen frame 5, so that the purpose of ensuring that no material is hidden, stored or leaked at the dead angle 14 is achieved.

The utility model discloses compare with traditional sieve that shakes soon, great extension the stroke of material, increased the contact chance of tiny particle material and screen cloth 6, promote its probability of being sieved and leaking into one deck down, make the screening effect obtain promoting. When the screen 6 is blocked, air is sprayed to the screen 6 from bottom to top through the universal air spraying device 13, the blocked screen 6 is cleaned under the action of air flow, and the screen 6 is taken out without opening equipment in the process; the whole process is labor-saving and environment-friendly, and waste of materials is avoided.

Claims

1. The utility model provides a disc is sieve that shakes soon, includes base (1), vibrating motor (2), spring (3), shakes soon and sieves main part (4) and at least two sets of bank of screens (5), each group be provided with screen cloth (6) on bank of screens (5), bank of screens (5) are arranged from top to bottom, and the mesh size successive layer of its screen cloth (6) diminishes, and the top of top layer bank of screens (5) is screen lid (8), and screen cloth (6) high punishment of each group bank of screens (5) do not communicate and have discharge gate (7), its characterized in that: a feed inlet (9) is formed in the center of the screen cover (8), a feed return disc (10) is arranged between the feed inlet (9) and the top layer screen (6) and between the two adjacent layers of screen (6), the center of the feed return disc (10) is downward convex, a feed opening (11) is formed in the center of the feed return disc, the center of the screen (6) is upward convex, an involute-shaped spiral partition plate (12) is fixedly connected to the screen (6), and then the material falling into the center of the screen (6) rolls spirally from high to low along a channel formed by the spiral partition plate (12) under the vibration action; universal air injection devices (13) are uniformly and fixedly connected with the screen frame (5) below each layer of screen (6) along the circumferential direction, the universal air injection device (13) comprises a mounting seat (1301), a ball seat (1302), a sealing cap (1303) and a ball barrel (1304), the mounting seat (1301) is fixedly connected to the screen frame (5), the ball seats (1302) are respectively arranged in the mounting seat (1301) and the sealing cap (1303), the ball barrel (1304) comprises a ball head part (13041) and a barrel part (13042), the ball head part (13041) is arranged inside the ball seat (1302), the sealing cap (1303) seals the ball head part (13041) in the mounting seat (1301), the ball head part (13041) can rotate relative to the mounting seat (1301), the barrel part (13042) is mounted at two ends of the ball head part (13041), and the ball head part (13041) is provided with a through hole for communicating the barrel part (13042).

2. The disc rotary vibration screen according to claim 1, wherein: the end part of the ball barrel (1304) in the sieve frame (5) is connected with a horn-shaped air nozzle (1305).

3. The disc rotary vibration screen according to claim 1, wherein: the space enclosed by the tail end of the spiral partition plate (12), the discharge hole (7) and the sieve frame (5) is a dead angle (14), the dead angle (14) is filled with fillers, and the fillers are higher than the spiral partition plate (12).

4. A disc rotary vibratory screen according to claim 3, wherein: the filler has high and low gradient, and the height of one side close to the screen frame (5) is larger than that of one side far away from the screen frame (5).

5. The disc rotary vibration screen according to claim 1, wherein: the outer ends of all the universal jet devices (13) are connected to a wind supply device together.