CN212069433U

CN212069433U - Sealed vibrating screen

Info

Publication number: CN212069433U
Application number: CN201921811676.3U
Authority: CN
Inventors: 张永
Original assignee: Henan Zhongyu Dingli Intelligent Equipment Co ltd
Current assignee: Henan Zhongyu Dingli Intelligent Equipment Co ltd
Priority date: 2019-10-26
Filing date: 2019-10-26
Publication date: 2020-12-04
Anticipated expiration: 2029-10-26

Abstract

A sealed vibrating screen effectively solves the problem of large pollution of the existing vibrating screen; the vibrating screen comprises a vibrating screen body, wherein the vibrating screen body comprises a screen box, a discharge end and a feed end, the screen box is a sealed box body, a plurality of layers of obliquely arranged screen meshes are arranged in the screen box, the feed end is arranged at the upper end of the screen box, and the discharge end is arranged at the joint of the lower ends of the plurality of layers of screen meshes and the screen box; the utility model discloses can be pollution-free carry out processing to the grit aggregate, and whole production line easily installs and produces, and production low in manufacturing cost.

Description

Sealed vibrating screen

Technical Field

The utility model relates to a grit aggregate production technical field, in particular to sealed shale shaker.

Background

The production line of sand and stone aggregate is a special production line equipment for producing building sand and stone, and in raw material factories of road building, building and the like, the production line common to sand and stone is often needed. The sand-stone production line is a special production line device for producing building sand and stone materials, can make rock, sand stone, cobble and other materials into various granularities meeting the requirement of the building sand, and the sand made by the sand-stone aggregate production line has uniform granularity and high compressive strength, far better meets the building requirement than the sand produced by natural sand and a common hammer type sand beater, and can improve the building quality.

In the working process of the sandstone aggregate production line, large stones are uniformly fed into a jaw crusher or a hammer crusher through a vibration feeder by a bin for coarse crushing, the stones after coarse crushing are fed into the crusher by a belt conveyor for fine crushing, the stones after fine crushing are fed into a vibrating screen by the belt conveyor for screening, and the finished sand is fed into a finished product pile by the belt conveyor; and (3) conveying the large-particle stone materials to the crusher by the belt conveyor for secondary fine crushing, and conveying the secondarily fine crushed stone materials to the vibrating screen by the belt conveyor for screening, so that a closed cycle is formed for multiple times.

However, the crushing equipment, the screening equipment and the belt conveyor in the existing gravel aggregate production line are exposed in the air, a large amount of dust can be generated by crushed stones, the dust overflows in the crushing, transporting and screening processes, and the environment is seriously damaged, so that a closed production line is generated, the production line adopts the steps that the crushing machine, the screening machine and other equipment are placed in corresponding buildings, corresponding metal corridors are built to connect the buildings, and the belt conveyor is placed in the metal corridors, so that a closed crushing environment is formed, measures are taken for dust pollution, but the required environmental protection requirements can not be met far, because the vibration of the vibrating screen is difficult to seal with surrounding fixed structures without stopping vibration, the wind leakage places are more, and the dust is difficult to collect even if a dust collector collects dust, dust pollution not only can pollute the air, influences operating personnel's health, but also needs a large amount of labours to clear up the dust that falls on the ground, and the maintenance cost is high.

A sealed shaker screen is needed to address this problem.

SUMMERY OF THE UTILITY MODEL

To the above situation, in order to overcome the defects of the prior art, the utility model aims to provide a sealed vibrating screen, which effectively solves the problem of large pollution of the prior vibrating screen.

The technical scheme of its solution is, the utility model discloses a shale shaker includes sieve case, discharge end and feed end, and the sieve case is sealed box, and the sieve incasement is equipped with the multilayer screen cloth of putting to one side, and the feed end is installed in the upper end of sieve case, and the discharge end setting is in the lower extreme of multilayer screen cloth and the junction of sieve case.

Preferably, a plurality of discharging layers are arranged in the discharging end and connected with the multiple layers of screens.

Preferably, the discharge end and the feed end are respectively a discharge end flange and a feed end flange.

Preferably, the vibrating screen further comprises a supporting base, and the screen box is movably mounted on the base.

Preferably, the upper end of the supporting base is provided with a plurality of supporting shafts, the upper end of each supporting shaft is provided with a plurality of springs, and the sealing box body is provided with a plurality of spring seats connected with the springs.

Preferably, the left end of shale shaker is equipped with the observation door, the observation door is convertible structure.

The utility model has the advantages that: the utility model discloses can be pollution-free carry out processing to the grit aggregate, and whole production line easily installs and produces, and production low in manufacturing cost.

Drawings

Fig. 1 is a schematic structural view of a production line using the present invention.

Fig. 2 is a schematic structural view of a sealing conveyor of a production line using the present invention.

Fig. 3 is a cross-sectional view of a first sealing conveyor of a production line using the present invention when the caps are closed.

Fig. 4 is a sectional view of a first sealing conveyor of a production line using the present invention when the top cover is opened.

Fig. 5 is an enlarged view of a in fig. 2 according to the present invention.

Fig. 6 is a schematic structural diagram of the present invention.

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.

Given by fig. 1 to 6, the sealed vibrating screen provided in this embodiment mainly includes vibrating screen 4, vibrating screen 4 includes screen box 33, discharge end 35 and feed end 34, and screen box 33 is a sealed box body, and the upper end and the left and right ends of current ordinary screen box 33 are respectively added with the sealing plate, are equipped with inclined multilayer screen cloth 36 in the screen box 33, and the mesh diameter of multilayer screen cloth 36 reduces from top to bottom in proper order, and feed end 34 installs the upper end at screen box 33, and discharge end 35 sets up the junction at the lower extreme of multilayer screen cloth 36 and screen box 33, will shunt the material that sieves through multilayer screen cloth 36 and derive.

Preferably, a plurality of discharging layers 37 are arranged in the discharging end 35, the discharging layers 37 are connected with the plurality of layers of screens 36, that is, a blanking cavity is formed between every two layers of screens 36, and the blanking cavity of each layer is connected with the discharging layer 37.

In practical application, the discharge end 35 and the feed end 34 are respectively provided with a discharge end 35 flange and a feed end 34 flange for being connected with the sealed conveying device in a sealing manner.

In addition, in order to provide an exciting force to the vibration sieve 4, the vibration sieve 4 further includes an exciter 38, and the exciter 38 is mounted on the sealed case.

In addition, the vibrating screen 4 further comprises a supporting base 39, the height of the supporting base is adjustable, and the screen box 33 is movably mounted on the supporting base 39.

Of course, it can be understood by those skilled in the art that the sealed conveying device and the vibrating screen 4 with the self-sealing structure can be used in an assembly mode or a separate mode, and are not limited to the production line.

Specifically, a plurality of support shafts 40 are arranged at the upper end of the support base 39, a plurality of springs 41 are arranged at the upper end of the support shafts 40, and a plurality of spring seats connected with the springs 41 are arranged on the sealed box body.

Specially, the left end of shale shaker 4 is equipped with the observation door, the observation door is convertible structure, opens the condition that the observation door is used for observing 4 insides of shale shaker through the upset, is convenient for overhaul and observe, and the upset is closed the observation door after the observation in order to keep the leakproofness of shale shaker 4.

Compare with current shale shaker 4, the utility model provides a shale shaker 4 with self sealss structure has outstanding leakproofness, and shale shaker 4 with self sealss structure not only is applicable to the sealed production of grit aggregate earlier, but also can be suitable for but in departments scientific research, production, the laboratory such as geology, metallurgy, powder, chemical industry, construction work, cement, medicine, national defense.

In the embodiment, an optimized sandstone aggregate production line adopting the sealed vibrating screen is given by a figure 1, and comprises a raw material bin 1, a feeding machine 2, a crushing machine 3, a vibrating screen 4 and a finished product bin 5, wherein the feeding machine 2 is connected with a discharge port of the raw material bin 1, the crushing machine 3 is connected with a feeding port of the feeding machine 2, a discharge port of the crushing machine 3 is connected with a feeding port of the vibrating screen 4, in order to meet the requirement of self-sealing of the production line, the sandstone aggregate self-sealing environment-friendly production line also comprises a sealed conveying device, the sealed conveying device is connected with the crushing machine 3, the vibrating screen 4 and the finished product bin 5, namely the sealed conveying device is respectively connected with the discharge port of the crushing machine 3, the feeding port of the vibrating screen 4, the discharge port of the vibrating screen 4 and the feeding port of the finished product bin 5, the vibrating screen 4 has a self-sealing structure, and a sealed space is formed among the crushing, the working space between the gravel aggregate entering the crusher 3 and crushed until the gravel aggregate is sent into the finished product warehouse 5 is kept sealed, and dust in the secondary working space cannot fly out.

To the production preparation technology of current grit aggregate, mutually independent during shale shaker 4 and the sealed conveyor, as general conception, carry out the production line, sealed conveyer and have from sealed shale shaker 4 of close structure three in one's comprehensive design, the production procedure is simplified, the leakproofness is outstanding, the dust polluted environment that produces when avoiding grit aggregate production that can be very big, will seal the conveyor and set up the corridor outside sealed conveyor, the use of the metal of reduction, economical and practical has more outstanding market prospect and space.

As shown in fig. 1, the sealed conveying device provided by the present embodiment includes a first sealed conveyor 6 connecting a discharge port of a crusher 3 and a feed port of a vibrating screen 4, a second sealed conveyor 7 connecting a first discharge port of the vibrating screen 4 and a raw material bin 1, and a third sealed conveyor 8 connecting a second discharge port of the vibrating screen 4 and a finished material bin 5, the raw material in the raw material bin 1 is sent into the crusher 3 through a feeder 2 for crushing, the crushed material is sent into the vibrating screen 4 through the first sealed conveyor 6 for screening, the volume of the material led out from the first discharge port of the vibrating screen 4 is larger than the volume of the material led out from the second discharge port, the first sealed conveyor 6 is used for conveying the material crushed by the crusher 3 into the vibrating screen 4, the sand separated by the vibrating screen 4 enters the second sealed conveyor 7 and the third sealed conveyor 8, the second sealing conveyor 7 is used for re-feeding the materials (larger than 5mm) which are screened out by the vibrating screen 4 and do not meet the requirement into the raw material warehouse for secondary crushing, and the third sealing conveyor 8 is used for feeding the materials (smaller than 5mm) which are screened out by the vibrating screen 4 and meet the requirement into the finished product warehouse 5 for storage.

The raw materials in the raw material bin 1 are sent into a crusher 3 through a feeder 2 to be crushed, the crushed materials are sent into a vibrating screen 4 through a first sealing conveyor 6 to be screened,

in another preferred embodiment of the sealed conveying device, the gravel aggregate production line adopting the sealed vibrating screen further comprises a fine crusher, the fine crusher has better crushing and shaping effects on materials with small volume, the sealed conveying device comprises a first sealed conveyor 6 connecting a discharge port of the crusher 3 and a feed port of the vibrating screen 4, a third sealed conveyor 8 connecting a second discharge port of the vibrating screen 4 and a finished product warehouse 5, a fourth sealed conveyor connecting the first discharge port of the vibrating screen 4 and the feed port of the fine crusher and a fifth sealed conveyor connecting the discharge port of the fine crusher and the finished product warehouse 5, raw materials in the raw material warehouse 1 are sent into the crusher 3 through the feeding machine 2 for crushing, the crushed materials are sent into the vibrating screen 4 through the first sealed conveyor 6 for screening, the first sealed conveyor 6 is used for conveying the materials crushed by the crusher 3 into the vibrating screen 4, the fourth sealed conveyor is used for sending the materials (more than 5mm) which are screened out by the vibrating screen 4 and do not meet the requirement into the fine crusher for secondary crushing, and the third sealed conveyor 8 and the fifth sealed conveyor are used for sending the materials (less than 5mm) which are screened out by the vibrating screen 4 and meet the requirement and the materials (less than 5mm) which are subjected to secondary crushing into the finished product material warehouse 5 for storage.

Specifically, the second sealing conveyor 7 and the third sealing conveyor 8 have the same structure as the first sealing conveyor 6, and the second sealing conveyor 7 and the third sealing conveyor 8 are different from the first sealing conveyor 6 only in installation direction, installation position, and length.

In another preferred embodiment with respect to the first sealing conveyor 6, the second sealing conveyor 7, the third sealing conveyor 8, the fourth sealing conveyor and the fifth sealing conveyor are identical in construction to the first sealing conveyor 6, and the second sealing conveyor 7, the third sealing conveyor 8, the fourth sealing conveyor and the fifth sealing conveyor differ only in mounting direction, mounting position and length from the first sealing conveyor 6.

The connection mode of the vibrating screen 4 with the self-sealing structure and the sealing and conveying device is movable sealing connection, so that the vibrating screen 4 can still keep good sealing performance between the vibrating screen 4 and the sealing and conveying device under the condition of vibration.

The movable sealing connection is a flexible connection, namely, a discharge hole of the vibrating screen 4 and a feed hole of the sealing conveying device are connected through a flexible pipe, and the flexible pipe can be a rubber pipe or a cloth bag.

In addition, the lower end of the crusher 3 is provided with a discharge hopper 9, the discharge hopper 9 is connected with a sealed conveying device, materials are easy to convey, and the crusher 3 is kept in sealed connection through a flange of the discharge hopper 9 arranged on the discharge hopper 9.

In addition, the gravel aggregate production line adopting the sealed vibrating screen further comprises a dust remover 10, the dust remover 10 is connected with the first sealed conveyor 6, negative pressure is kept in the first sealed conveyor 6, the position where the dust remover 10 is connected with the first sealed conveyor 6 is located near the connecting position of the crusher 3 and the first sealed conveyor 6, and dust can be removed to the position where the raised dust is most serious to the maximum extent.

In the preferred sealed conveying device of the sandstone aggregate production line adopting the sealed vibrating screen in the embodiment, as shown in fig. 2 to 5, for convenience of installation and maintenance, the first sealed conveyor 6 comprises a bottom plate 11, wherein a first vertical side plate 12, a second vertical side plate 13 and a top plate 14 are arranged on the bottom plate 11, the first vertical side plate 12, the second vertical side plate 13 and the top plate 14 are hermetically connected to form a closed space, a conveying feed inlet 15 is arranged on the top plate 14, a conveying discharge outlet 16 is arranged at one end of the bottom plate 11, the first vertical side plate 12 and the second vertical side plate 13 are arranged at the front end and the rear end of the bottom plate 11, an access cover 17 is arranged on the top plate 14, one end of the access cover 17 is rotatably arranged on the top plate 14, the inside of the first sealed conveyor 6 can be overhauled by lifting the access cover 17, and the first sealed conveyor 6 can be maintained in, in order to maintain the sealing performance between the access cover 17 and the top plate 14, a sealing strip can be further arranged on the top plate 14 or the access cover 17, and a conveyor belt 18 for conveying the materials entering from the conveying feed inlet 15 to the conveying discharge outlet 16 is further arranged in the first sealing conveyor 6.

Generally, in order to enable the conveyor belt 18 to run, a plurality of supporting devices are arranged between the first side plate 12 and the second side plate 13, each supporting device comprises an idler bracket 19 mounted on the first side plate 12 and the second side plate 13, an upper idler 20 and a lower idler 21 are respectively arranged at the upper end and the lower end of each idler bracket 19, each lower idler 21 is mounted on each idler bracket 19 through a first supporting arm, and the conveyor belt 18 is mounted on each upper idler 20 and each lower idler 21.

Specifically, the upper carrier roller 20 comprises a first carrier roller 22 arranged in parallel with the bottom plate 11, and a second carrier roller 23 and a third carrier roller 24 obliquely arranged at two ends of the first carrier roller 22, the second carrier roller 23 and the third carrier roller 24 are mounted on the carrier roller bracket 19 through second support arms, the transmission belt is tightly attached to the upper ends of the first carrier roller 22, the second carrier roller 23 and the third carrier roller 24, and an inverted trapezoid is formed among the first carrier roller 22, the second carrier roller 23 and the third carrier roller 24 to prevent the materials falling on the transmission belt 18 from spilling out.

It should be noted that the lower ends of the second idler 23 and the third idler 24 are provided with buckles 25, and the buckles 25 are mounted on the idler bracket 19 and used for connecting the first idler 22, the second idler 23 and the third idler 24 and fixing the positions of the first idler 22, the second idler 23 and the third idler 24.

In practical application, a sealing flange is arranged on the finished product warehouse 5 and is used for being connected with a sealing conveying device in a sealing mode.

In addition, the conveying discharge port 16 and the conveying feed port 15 are respectively a conveying discharge port 16 flange and a conveying feed port 15 flange, so that the joint of the sealed conveying device and the sieving machine and the leveling warehouse is sealed.

Specially, the access cover 17 rotates and installs on first curb plate 12 or second curb plate 13, can expose sealed conveyer's inside through lifting access cover 17, conveniently maintain, be equipped with division board 26 between per two adjacent access cover 17, division board 26 installs on first curb plate 12 and second curb plate 13, division board 26 plays the effect of supporting access cover 17, it not only can keep sealed to set up the sealing strip respectively in division board 26's both sides, and can reduce wearing and tearing between two adjacent access cover 17, and service life is prolonged.

In addition, first sealing conveyer 6 is still including setting up maintenance pavement 28 at bottom plate 11 lower extreme, and the width of maintenance pavement 28 is greater than the width of bottom plate 11, makes the both ends that stretch out bottom plate 11 of maintenance pavement 28 form the pavement, and bottom plate 11, first side board 12 and second side board 13 are installed in maintenance pavement 28 upper end, and the both ends of maintenance pavement 28 are equipped with vertical railing 29, are equipped with a plurality of maintenance side doors 27 on first side board 12 or the second side board 13.

It should be noted that the first sealing conveyor 6 further includes a scraper conveyor, the scraper conveyor includes a scraper 30 slidably disposed on the upper side of the bottom plate 11, the lower end of the scraper 30 abuts against the upper end of the bottom plate 11 of the first sealing conveyor 6, and is used for scraping the material on the bottom plate 11 into the discharge hole, and the scraper 30 intermittently moves on the bottom plate.

Specifically, in order to drive the scraper 30 to intermittently move on the bottom plate 11, the scraper conveyor further comprises a first rotating shaft 31 and a second rotating shaft 32 which are respectively arranged at two ends of the bottom plate 11, the first rotating shaft 31 and the second rotating shaft 32 are respectively provided with a corresponding motor to drive the first rotating shaft 31 or the second rotating shaft 32 to rotate, the first rotating shaft 31 and the second rotating shaft 32 are respectively provided with a plurality of first rope wheels and a plurality of second rope wheels, the first rope wheels and the second rope wheels are provided with a transmission rope, the transmission rope can be a steel wire rope, the scraper 30 is arranged on the transmission rope, namely when the transmission rope is intermittently controlled by the motor to move, the scraper 30 intermittently slides on the bottom plate 11 along with the movement of the transmission rope, so that the material on the bottom plate 11 is cleaned up.

In the actual installation and manufacturing process, because the actual sandstone aggregate is processed in a mountain area, and a production line and the difficulty thereof are installed in the mountain area, according to the actual investigation and measurement of a processing field, the bottom plate 11, the first side plate 12, the second side plate 13, the top plate 14, the conveyor belt 18 and other parts can be preferentially processed to proper sizes and quantities in a processing factory, the parts are transported to the processing field and directly combined and installed, the production line can be quickly and conveniently combined and installed on the processing field, a large amount of labor and material costs can be saved, and the economic prospect is good.

The foregoing detailed description/examples are specific embodiments of the present invention, and are intended to be illustrative of the principles of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include those which make any obvious replacement or modification of the embodiments described herein, and all of which are within the scope of the present invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. The utility model provides a sealed shale shaker, includes shale shaker (4), its characterized in that, shale shaker (4) are equipped with inclined multilayer screen cloth (36) for sealed box including sieve case (33), discharge end (35) and feed end (34) sieve case (33), and the upper end at sieve case (33) is installed in feed end (34), and discharge end (35) set up the junction at the lower extreme of multilayer screen cloth (36) and sieve case (33).

2. A sealed vibrating screen according to claim 1, characterised in that a plurality of discharge layers (37) are provided in the discharge end (35), the discharge layers (37) being connected to a plurality of layers of screening media (36).

3. A sealed vibrating screen according to claim 1, characterised in that the discharge end (35) and the feed end (34) are a discharge end (35) flange and a feed end (34) flange, respectively.

4. A sealed vibrating screen according to claim 1, characterised in that the vibrating screen (4) further comprises a supporting base (39) on which the screen box (33) is movably mounted.

5. A sealing vibrating screen according to claim 4, characterized in that the supporting base (39) is provided at its upper end with a plurality of supporting shafts (40), the supporting shafts (40) are provided at their upper ends with a plurality of springs (41), and the sealing box is provided with a plurality of spring seats connected to the springs (41).

6. A sealed vibrating screen according to claim 1, characterised in that the vibrating screen (4) is provided with a viewing door on its left end, the viewing door being of a flip-type construction.