CN215940555U

CN215940555U - Vibration screening device

Info

Publication number: CN215940555U
Application number: CN202121649288.7U
Authority: CN
Inventors: 李晓星; 禹保卫; 卞素君; 张跃辉; 邓丽军; 魏白; 张峰; 王磊; 胡莹莹
Original assignee: China Pingmei Shenma Group Nylon Technology Co ltd
Current assignee: China Pingmei Shenma Group Nylon Technology Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-03-04
Anticipated expiration: 2031-07-20

Abstract

The utility model relates to a vibration screening device which comprises a base, wherein supports are arranged at four corners of the top surface of the base, lifting ropes are arranged on the supports, the bottom ends of the lifting ropes are lifted by a same base plate, one end of the base plate is provided with a driving device, the other end of the base plate is provided with a supporting member, a screen box is connected between the driving device and the supporting member in a transmission manner, the upper part of one side, away from the driving device, of the screen box is provided with a coarse material discharge port, the middle part of the top surface of the screen box is provided with an observation port, a transparent acrylic plate is connected to the observation port in an opening and closing manner, a hand hole is arranged at the position, corresponding to the coarse material discharge port, of the top surface of the screen box, one side part of the base is provided with a high-pressure gas tank, a gas outlet of the high-pressure gas tank is communicated with a gas inlet of a gas pump, and a gas outlet of the gas pump is connected with a spray head through a hose. The utility model is more convenient to observe the smooth condition of the sieve plate in the sieve box and the coarse material outlet, can find blockage in time and carry out high-pressure air flushing and dredging on the blocked part, has simple and convenient operation and flexible use, and ensures the normal and stable operation of equipment.

Description

Vibration screening device

Technical Field

The utility model belongs to the technical field of material separation production, and particularly relates to a vibration screening device.

Background

The screening separation of granular materials and powder materials is mostly completed by adopting a plane rotary screen, the plane rotary screen is screening equipment which realizes the plane rotation of a screen body by relying on the inertial centrifugal force of a weight, and the optimal comprehensive screening effect can be realized by adopting corresponding screen pieces, screen surface inclination angles, motor rotating speeds and revolving body quality aiming at different materials. However, when the conventional planar rotary screen is used in practice, some granular materials are easy to agglomerate to form blocks, so that the blockage of the discharge ports of the screen plates and/or the coarse materials is caused, the normal stable operation of screening operation and the normal discharge of the coarse materials are greatly influenced, and when the blockage occurs, if the blockage cannot be found and dredged in time, the more the materials above the screen plates are accumulated, the whole rotary screen is finally propped, the later-stage cleaning is also inconvenient, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a vibrating screening device, which is more convenient for observing the unobstructed situation at the screen plate and the coarse material outlet inside the screen box, and can find the blockage in time and perform high-pressure air flushing and dredging on the blocked part, so as to solve the above problems.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: a vibration screening device comprises a base, wherein supports are arranged at four corners of the top surface of the base, lifting ropes are arranged on the supports, the bottom ends of the lifting ropes are lifted to form a same base plate, one end of the base plate is provided with a driving device, the other end of the base plate is provided with a supporting member, a screen box is connected between the driving device and the supporting member in a transmission manner, one end, close to the driving device, of the top of the screen box is provided with a feeding hole, one end, far away from the driving device, of the bottom of the screen box is provided with a fine material discharging hole, the upper portion of one side, far away from the driving device, of the screen box is provided with a coarse material discharging hole, the middle of the top surface of the screen box is provided with an observation hole, a transparent acrylic plate is connected to the observation hole in an openable and closable manner, a hand hole is formed in the position, corresponding to the coarse material discharging hole, a high-pressure gas tank is arranged at one side of the base, the gas outlet of the high-pressure gas tank is communicated with a gas inlet of a gas pump, and a spray nozzle is connected to the gas outlet of the gas pump through a hose, an elastic snap ring is arranged at the top end of a support adjacent to the high-pressure gas tank, and the spray head is buckled on the elastic snap ring.

Preferably, be connected with a feeding section of thick bamboo on the feed inlet, the top of a feeding section of thick bamboo is equipped with the feeder hopper, level and rotation are equipped with the impeller in the upper portion of a feeding section of thick bamboo, lower part level and rotation are equipped with the bulk cargo roller, radially be equipped with a plurality of bulk cargo poles on the bulk cargo roller.

Preferably, the impeller includes the axis of rotation that the level set up, the both ends of axis of rotation all rotate to be connected on the feeding section of thick bamboo lateral wall that corresponds and wherein one end stretches out the feeding section of thick bamboo and the transmission is connected with a actuating mechanism, it has a plurality of impeller blades to be the circumference interval equipartition in the axis of rotation.

Preferably, the both ends of bulk cargo roller all rotate to be connected on the feeding section of thick bamboo lateral wall that corresponds and wherein one end stretches out feeding section of thick bamboo and the transmission is connected with second actuating mechanism, the bulk cargo pole on the bulk cargo roller is circumference interval equipartition.

Preferably, the lateral part and the bottom of base from inside to outside wrap up in proper order and have rubber shock pad and foam aluminum plate, foam aluminum plate's bottom is equipped with the rubber slipmat.

Preferably, the tip of both sides all is equipped with the installation department around the base, the installation department passes through bolt assembly to be fixed subaerial.

The utility model has the beneficial effects that: the utility model has reasonable design and simple structure, can visually observe the smooth condition of the sieve plate in the sieve box from the observation port through the transparent acrylic plate when in use, and can visually observe the smooth condition of the coarse material discharge port through the hand hole, thereby being more beneficial to the workers to find abnormal conditions such as blockage of the sieve plate and the coarse material discharge port in time. Simultaneously, after the discovery blocks up the condition, but in time the machine halt, and open transparent acrylic plate and hand hole, then take off the shower nozzle from the snap ring, send into the sieve incasement portion through viewing aperture and or hand hole with the shower nozzle, start the air pump after that, alright pass through the hose with the high-pressure gas in the high-pressure gas pitcher and carry shower nozzle department, at last through the shower nozzle blowout, thereby realize washing the mediation processing to the high-pressure gas that blocks up the position, easy operation is convenient, flexible use, in time discover and dredge with this realization jam problem, more be favorable to guaranteeing the normal steady operation of equipment, improve equipment's life.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic sectional front view of the feed cylinder of the present invention;

FIG. 3 is a schematic cross-sectional front view of the base of the present invention;

fig. 4 is a schematic top view of the base of the present invention.

Reference numbers in the figures: the device comprises a base 1, a support 2, a lifting rope 3, a base plate 4, a driving device 5, a supporting member 6, a screen box 7, a feed inlet 8, a fine material discharge port 9, a coarse material discharge port 10, a viewing port 11, a transparent acrylic plate 12, a hand hole 13, a high-pressure gas tank 14, an air pump 15, a hose 16, a spray head 17, an elastic clamping ring 18, a feed cylinder 19, a feed hopper 20, a rotating shaft 21, an impeller blade 22, a bulk material roller 23, a bulk material rod 24, a rubber shock pad 25, a foamed aluminum plate 26, a rubber non-slip pad 27, an installation part 28 and a bolt assembly 29.

Detailed Description

The utility model is described in further detail below with reference to the following figures and detailed description:

as shown in figures 1 to 4, the vibrating screening device comprises a base 1, wherein supports 2 are arranged at four corners of the top surface of the base 1, lifting ropes 3 are arranged on the supports 2, and the bottom ends of the lifting ropes 3 are lifted by a same base plate 4. One end of the base plate 4 is provided with a driving device 5, the other end is provided with a supporting member 6, and a sieve box 7 is connected between the driving device 5 and the supporting member 6 in a transmission way. The top of the screen box 7 is provided with a feed inlet 8 at one end close to the driving device 5, the bottom of the screen box is provided with a fine material discharge port 9 at one end far away from the driving device 5, and the upper part of one side of the screen box 7 far away from the driving device 5 is provided with a coarse material discharge port 10. During the use, send into sieve case 7 with granule material by feed inlet 8, then start drive arrangement 5, drive sieve case 7 through drive arrangement 5 and swing to realize the screening, the fine material of separation is discharged through fine material discharge gate 9, and the coarse material of separation is then discharged through coarse material discharge gate 10. The specific structures and operating principles of the driving device 5, the supporting member 6 and the interior of the sieve box 7 are prior art and will not be described in detail herein;

an observation port 11 is formed in the middle of the top surface of the sieve box 7, and a transparent acrylic plate 12 can be connected to the observation port 11 in an openable and closable manner. The top surface of the sieve box 7 is provided with a hand hole 13 at the position corresponding to the coarse material outlet 10. A high-pressure air tank 14 is arranged at one side part of the base 1, an air outlet of the high-pressure air tank 14 is communicated with an air inlet of an air pump 15, and an air outlet of the air pump 15 is connected with a spray head 17 through a hose 16. The top end of a bracket 2 adjacent to the high-pressure gas tank 14 is provided with an elastic snap ring 18, and the spray head 17 is buckled on the elastic snap ring 18. During the use, the unobstructed condition of the inside sieve of sieve case 7 can be observed directly perceivedly from viewing aperture 11 to transparent inferior gram force board 12 of accessible, can observe the unobstructed condition of coarse fodder discharge gate 10 department directly perceivedly through hand hole 13, more is favorable to the staff in time to discover unusual conditions such as the jam of sieve and coarse fodder discharge gate 10 department. Simultaneously, after the discovery blocks up the condition, but in time the machine halt, and open transparent acrylic plate 12 and hand hole 13, then take off shower nozzle 17 from snap ring 18, send into the inside of sieve case 7 with shower nozzle 17 through viewing aperture 11 andor hand hole 13, start air pump 15 after that, alright carry shower nozzle 17 department through hose 16 with the high-pressure gas in the high-pressure gas pitcher 14, at last through shower nozzle 17 blowout, thereby realize the high-pressure gas washing mediation processing to blockking up the position, the operation is simple and convenient, flexible use, realize the timely discovery and the mediation of jam problem with this, more be favorable to guaranteeing the normal steady operation of equipment, improve equipment's life. The setting of the transparent acrylic plate 12 that can open and shut the connection both can guarantee the closure of equipment in the control of realization to sieve case 7 inside, reduce dust pollution, can open again when needs solve the jam problem fast in order to cooperate the high pressure air mediation operation, and it has good resistant time and acid and alkali resistance, and the impact resistance is strong, and longe-lived and light transmissivity is good, more convenient to use. The specific manner and structure of the openable and closable connection of the transparent acrylic plate 12 are all the same as those of the prior art, and are not described in detail herein. The elastic snap ring 18 also adopts the prior art can be used for stably placing and fixing the spray head 17 when the spray head 17 is not used, so that the spray head 17 can be taken conveniently, and the whole equipment is more practical.

In this embodiment, the feeding inlet 8 is connected with a feeding barrel 19, and the top of the feeding barrel 19 is provided with a feeding hopper 20. The upper part of the feeding barrel 19 is internally provided with an impeller horizontally and rotatably, the lower part of the feeding barrel is internally provided with a bulk material roller 23 horizontally and rotatably, and a plurality of bulk material rods 24 are radially arranged on the bulk material roller 23. During feeding, the feeding hopper 20 is utilized to facilitate feeding, and after materials enter the feeding barrel 19, the materials can be sequentially subjected to material homogenizing and bulk material treatment through the impeller and the bulk material roller 23, and finally the materials uniformly and dispersedly enter the screen box 7, so that the input of large materials can be greatly reduced, the subsequent screening operation can be facilitated, the blocking phenomenon of the screen plate and the coarse material discharge port 10 can be reduced, the maintenance rate is reduced, and the long-term normal stable operation of equipment is effectively ensured.

In this embodiment, the impeller includes rotation axis 21 that the level set up, and the both ends of rotation axis 21 all rotate to be connected on the lateral wall of the feed cylinder 19 that corresponds and one of them end stretches out feed cylinder 19 and the transmission is connected with first actuating mechanism (not drawn in the figure), is a plurality of impeller blade 22 of circumference interval equipartition on the rotation axis 21. During the use, usable first actuating mechanism provides power, drives axis of rotation 21 and the last impeller blade 22 of axis of rotation and rotates to the realization is to the limit material effect of material, makes the material can fall at the uniform velocity and evenly in succession, through the rotational speed of controlling first actuating mechanism, alright control feed rate is convenient for regulate and control the feeding volume, guarantees that the feeding is smooth, the follow-up screening operation of being convenient for.

In this embodiment, both ends of the bulk material roller 23 are all rotatably connected to the side wall of the corresponding feeding cylinder 19, and one end of the bulk material roller extends out of the feeding cylinder 19 and is connected with a second driving mechanism (not shown in the figure) in a transmission manner, so that when the bulk material roller is used, the second driving mechanism provides power to drive the bulk material roller 23 and the bulk material rod 24 thereon to rotate, the bulk material roller can break up the materials, and the dispersibility of the materials during feeding is improved. The first driving mechanism and the second driving mechanism can be both realized by adopting the prior art. The material scattering rods 24 on the material scattering roller 23 are uniformly distributed at intervals in the circumferential direction to ensure that the material scattering action is uniformly distributed and the material is completely scattered.

In this embodiment, the side portion and the bottom portion of the base 1 are sequentially wrapped with a rubber shock pad 25 and a foamed aluminum plate 26 from inside to outside, and the bottom portion of the foamed aluminum plate 26 is provided with a rubber non-slip pad 27. The rubber shock pad 25, the foamed aluminum plate 26 and the rubber non-slip pad 27 are all made of existing materials, most of the rubber shock pad 25 is rubber and metal composite products and is used for shock absorption and sound insulation of various machines, instruments, axles and pipelines, the foamed aluminum plate 26 has the characteristics of light weight, high specific stiffness, high damping and shock absorption performance, impact energy absorption rate and the like, the rubber non-slip pad 27 is made of rubber tree collected latex and has good wear resistance, elasticity and anti-slip performance, so that when the rubber shock pad 25 is actually used, the rubber shock pad and the foamed aluminum plate 26 are matched, the buffering and shock absorption and shock resistance of the whole equipment can be greatly enhanced, good anti-collision shock absorption and protection can be realized on the equipment, the adverse effect of vibration generated during the operation of the equipment on the surrounding environment is favorably reduced, the comfort level of the surrounding environment is improved, and the adverse effect of the vibration of the surrounding environment on screening operation can be effectively avoided, and the setting of rubber slipmat 27 can further strengthen the frictional force of whole equipment and ground, makes equipment self can place more firm reliable to the stationarity when more guaranteeing the screening operation makes equipment more practical.

In this embodiment, the end portions of the front side and the rear side of the base 1 are provided with the mounting portions 28, and the mounting portions 28 are fixed on the ground through the bolt assemblies 29, so that the stability and the reliability of the fixed connection between the equipment and the ground can be further enhanced, and the stability and the high efficiency of the equipment during operation can be ensured.

The working principle of the utility model is as follows: when the utility model is used, the particle materials are fed into the feeding cylinder 19 from the feeding hopper 20, and enter the screen box 7 uniformly and dispersedly after the material homogenizing and dispersing actions of the impeller and the material dispersing roller 23. Then, the driving device 5 is started, the screen box 7 is driven to swing through the driving device 5, so that screening is realized, separated fine materials are discharged through a fine material discharge port 9, and separated coarse materials are discharged through a coarse material discharge port 10.

In the screening process, unobstructed condition of the sieve plate in the sieve box 7 can be visually observed from the observation port 11 through the transparent acrylic plate 12, unobstructed condition of the coarse material discharge port 10 can be visually observed through the hand hole 13, and abnormal conditions such as blockage of the sieve plate and the coarse material discharge port 10 can be timely found by workers. After the discovery blocks up the condition, but in time shut down, and open transparent acrylic plate 12 and hand hole 13, then take off shower nozzle 17 from snap ring 18, send into the inside of sieve case 7 with shower nozzle 17 through viewing aperture 11 andor hand hole 13, start air pump 15 after that, alright carry shower nozzle 17 department through hose 16 with the high-pressure gas in the high-pressure gas pitcher 14, at last through shower nozzle 17 blowout, thereby realize the high-pressure gas washing mediation processing to blockking up the position, and easy operation is convenient, flexible use, in order to realize the timely discovery and the mediation of blockking up the problem, more be favorable to guaranteeing the normal steady operation of equipment, improve equipment's life.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A vibration screening device comprises a base, wherein supports are arranged at four corners of the top surface of the base, lifting ropes are arranged on the supports, the bottom ends of the lifting ropes are lifted by a same base plate, one end of the base plate is provided with a driving device, the other end of the base plate is provided with a supporting member, a screen box is connected between the driving device and the supporting member in a transmission manner, one end, close to the driving device, of the top of the screen box is provided with a feeding hole, one end, far away from the driving device, of the bottom of the screen box is provided with a fine material discharging hole, the upper portion of one side, far away from the driving device, of the screen box is provided with a coarse material discharging hole, the middle portion of the top surface of the screen box is provided with an observation hole, a transparent acrylic plate is connected to the observation hole in an openable and closable manner, a hand hole is formed in the position, corresponding to the coarse material discharging hole, a high-pressure gas tank is arranged at one side portion of the base, and a gas outlet of the high-pressure gas tank is communicated with a gas inlet of a gas pump, the air outlet of the air pump is connected with a spray head through a hose, an elastic snap ring is arranged at the top end of a support adjacent to the high-pressure air tank, and the spray head is buckled on the elastic snap ring.

2. The vibratory screening device of claim 1, wherein a feed cylinder is connected to said feed inlet, a feed hopper is disposed at the top of said feed cylinder, an impeller is disposed horizontally and rotatably in the upper portion of said feed cylinder, a spreader roller is disposed horizontally and rotatably in the lower portion of said feed cylinder, and a plurality of spreader bars are radially disposed on said spreader roller.

3. The vibratory screening device of claim 2, wherein said impeller includes a horizontally disposed shaft having opposite ends rotatably connected to respective sidewalls of said feed cylinder and one end extending out of said feed cylinder and drivingly connected to said first drive mechanism, said shaft having a plurality of impeller blades circumferentially spaced apart from each other.

4. The vibratory screening device of claim 2, wherein both ends of said dispersion rollers are rotatably connected to the corresponding side walls of said feed cylinder and one end of said dispersion rollers extends out of said feed cylinder and is drivingly connected to a second drive mechanism, said dispersion rods of said dispersion rollers being circumferentially spaced and uniformly distributed.

5. The vibratory screening device of claim 1, wherein the side portion and the bottom portion of the base are sequentially wrapped with a rubber shock pad and a foamed aluminum plate from inside to outside, and a rubber non-slip pad is arranged at the bottom of the foamed aluminum plate.

6. The vibratory screening device of claim 1, wherein the base has mounting portions at each of the front and rear ends thereof, said mounting portions being secured to the ground by bolt assemblies.