CN109663637A - A kind of sandstone material multi sieving approach method - Google Patents
A kind of sandstone material multi sieving approach method Download PDFInfo
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- CN109663637A CN109663637A CN201811634794.1A CN201811634794A CN109663637A CN 109663637 A CN109663637 A CN 109663637A CN 201811634794 A CN201811634794 A CN 201811634794A CN 109663637 A CN109663637 A CN 109663637A
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- 239000000463 material Substances 0.000 title claims abstract description 473
- 238000007873 sieving Methods 0.000 title claims abstract description 256
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000013459 approach Methods 0.000 title claims abstract description 26
- 238000012216 screening Methods 0.000 claims abstract description 71
- 238000012546 transfer Methods 0.000 claims abstract description 62
- 239000000428 dust Substances 0.000 claims description 58
- 238000007599 discharging Methods 0.000 claims description 50
- 230000005540 biological transmission Effects 0.000 claims description 24
- 230000033001 locomotion Effects 0.000 claims description 21
- 230000008676 import Effects 0.000 claims description 19
- 230000003139 buffering effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 238000010924 continuous production Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000013519 translation Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
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- 230000032683 aging Effects 0.000 description 1
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- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
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- 229940029329 intrinsic factor Drugs 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/002—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with rotary cutting or beating elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/20—Disintegrating members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/24—Driving mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/04—Stationary flat screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
Abstract
The invention discloses a kind of sandstone material multi sieving approach methods, belong to sandstone crushing technology field, which comprises the following steps: a, sandstone material is transported on screening station；B, level-one screening is carried out by level-one sieving net, large-sized sandstone material falls into broken station, broken sandstone material is delivered to second level sieving net and carries out horizontal hunting sieve material, and the sandstone material sifted out is fallen on three-level sieving net, swings up and down sieve material by three-level sieving net；C, the sandstone material after three-level sieve material falls into feed back storehouse, is delivered in the broken cylinder of material crushing device through feed back transfer unit that carry out circulation broken from the sandstone material that feed back storehouse is fallen.The entire crushing circuit of the present invention is easily controllable, the material for only needing a material crushing device to can be achieved with different-grain diameter is broken, is crushed material feeding material crushing device by multi-stage screening, is able to carry out continuous production, crushing efficiency and yield are improved, is conducive to promote and apply.
Description
Technical field
The present invention relates to sandstone crushing technology field more particularly to a kind of sandstone material multi sieving approach methods.
Background technique
In hard ore, building aggregate are broken, crusher is often used.It needs before crusher broken material to material
It is sieved.
Therefore the screening of material and crushing operation, are completed by two procedures, two kinds of process equipments.Usually first pass through
The block material that screening machine will be crushed, which is sifted out, to be come, and is then machined to required granularity by broken again.Screening machine used
There are gravity flow screen, vibrating screen, probability screen and roller picker.
Crusher has jaw, toothed roller type, reaction type and hammer mill.These screenings and crushing mechanism are in actual production
All there is different advantage and disadvantage in operation.From sieve, in terms of broken process flow for, due to the intrinsic factor of equipment, outmoded aging
Bring dust, noise all to exceed environmental requirement to actual production, especially foundation of civil work investment, the installation of equipment, using and
Maintenance, labor intensity of workers, energy consumption and operating environment pollution aspect are all to compare distinct issues.Further, since being twice
Process causes continuous production poor, influences production efficiency and yield.
Publication No. CN 102580814A, publication date are that on 07 18th, 2012 Chinese patent literatures disclose one kind
Sieving approach all-in-one machine, it includes rack, it is characterised in that: it is equipped with two vertical-spindle hammer crushers on the rack, it is broken in two vertical shafts
The top of broken machine is equipped with winnowing type screening machine, and the composition of winnowing type screening machine includes material screening hollow cavity, in material screening
Mixed material feed inlet is equipped with above hollow cavity, being respectively arranged on the left side and the right side air inlet and going out in material screening hollow cavity
Air port, in the rough material outlet of material screening hollow cavity being respectively arranged below with and thin material outlet, rough material outlet is located at
Below mixed material feed inlet, thin material outlet is located at the direction of air outlet side of rough material outlet, and rough material outlet and carefully
Feed inlet connection of the material outlet respectively at two vertical-spindle hammer crushers.
Sieving approach all-in-one machine disclosed in the patent document, although by distinguishing in rough material outlet and thin material outlet
The vertical-spindle hammer crusher for connecting different frequency and revolving speed, makes different grain size and the material of characteristic enter different crusher chambers in this way, reaches
To different crushing effects, however, it is desirable to two vertical-spindle hammer crushers, two vertical-spindle hammer crusher associated working cooperations could be completed not
One-size material is crushed, once wherein a vertical-spindle hammer crusher breaks down, will interrupt the sieving approach of material, production connects
Continuous property is poor, influences crushing efficiency and yield.
Summary of the invention
The present invention in order to overcome the defects of the prior art described above, provides a kind of sandstone material multi sieving approach method, this
It is easily controllable to invent entire crushing circuit, it is only necessary to which the material that a material crushing device can be achieved with different-grain diameter is broken, passes through
Material feeding material crushing device is crushed by multi-stage screening, is able to carry out continuous production, is improved crushing efficiency and yield, is conducive to
It promotes and applies.
The present invention is achieved through the following technical solutions:
A kind of sandstone material multi sieving approach method, which comprises the following steps:
A, sandstone material is transported on screening station by the device for transporting objects of multi-stage screening crusher；
B, after Supplying Sieving Mechanism receives the sandstone material that device for transporting objects conveys, pass through level-one sieving net and carry out level-one sieve
Point, large-sized sandstone material falls into broken station, defeated by broken material through the broken sandstone material of material crushing device
It send component to be delivered to second level sieving net and carries out horizontal hunting sieve material, the sandstone material sifted out is fallen on three-level sieving net, passes through three
Grade sieving net swings up and down sieve material；
C, the sandstone material after three-level sieve material falls into feed back storehouse, and the sandstone material fallen from feed back storehouse is defeated through feed back transfer unit
It send broken to circulation is carried out in the broken cylinder of material crushing device.
The multi-stage screening crusher includes rack, is arranged on the rack device for transporting objects, Supplying Sieving Mechanism and
Material crushing device, device for transporting objects include bracket, the stepper motor being arranged on bracket, conveyor belt, feeding warehouse and go out
Feed bin, stepper motor driving conveyor belt move back and forth between feeding warehouse and discharging bin, and feeding warehouse is located at the one of conveyor belt
End, discharging bin are located at the other end of conveyor belt, and the height of feeding warehouse is higher than discharging bin, and Supplying Sieving Mechanism is located under discharging bin
Side, Supplying Sieving Mechanism includes level-one sieving net, second level sieving net and three-level sieving net, and level-one sieving net is horizontal by 135
Degree is obliquely installed, and the side of second level sieving net is connected with the first push-and-pull cylinder, and the other side of second level sieving net is connected with second and pushes away
Cylinder is drawn, the first push-and-pull cylinder and the second push-and-pull cylinder drive second level sieving net to move horizontally, and the first push-and-pull cylinder is driven
The direction of motion of dynamic second level sieving net is identical as the second push-and-pull cylinder driving direction of motion of second level sieving net, three-level sieving net
Bottom side is connected with the first jacking cylinder, and the other side is connected with the second jacking cylinder, the first jacking cylinder and the second jacking gas
Cylinder driving three-level sieving net is swung up and down, and material crushing device includes motor, rotation axis and broken cylinder, is fixedly connected in rotation axis
There is crushing teeth group, rotation axis passes through broken cylinder and is connected to motor, and broken material transfer unit, second level sieve are provided with below broken cylinder
Material net is mounted below broken material transfer unit, and three-level sieving net is located at below second level sieving net, is set below three-level sieving net
It is equipped with feed back storehouse, is connected with feed back transfer unit below feed back storehouse, feed back transfer unit is connect with the import of broken cylinder.
The feed back transfer unit includes the first fixed frame, the first conveyer belt, drives the first first time for transmitting V belt translation
Roll-over, the second feed back driving of the second fixed frame, the second conveyer belt, driving the second transmission V belt translation in material driving motor, feed back
Motor, is used for the material in feed back in roll-over the material toggling part for the material on the first conveyer belt to be dialled in roll-over in feed back
The first pusher part being pushed on the second conveyer belt and the second pusher for being pushed into the material on the second conveyer belt in broken cylinder
Part, the first feed back driving motor and the first conveyer belt are mounted on the first fixed frame, the second feed back driving motor and the second transmission
Band is mounted on the second fixed frame, and material toggling part is connected to the input end of roll-over in feed back, and the first pusher part is connected to feed back transfer
The outlet end in storehouse, the second pusher part are connected on the second fixed frame, import of the second pusher part close to broken cylinder.
The two sides of first fixed frame have been respectively fixedly connected with first dust cover, and the cross section of the first dust cover is in
C-shaped, two the first dust covers are arranged symmetrically along the central axis of the first conveyer belt, and the two sides of the second fixed frame are respectively fixedly connected with
There is second dust cover, the cross section of the second dust cover is C-shaped, central axis of two the second dust covers along the second conveyer belt
It is arranged symmetrically.
More V-arrangement tread plates are connected on the surface of first conveyer belt, more V-arrangement tread plates are interval-staggered,
More S-shaped tread plates are connected on the surface of second conveyer belt, more S-shaped tread plates are evenly arranged.
Roll-over includes the first side plate, bottom plate and the second side plate, the fixed company in the side of the first side plate and bottom plate in the feed back
It connects, the second side plate is fixedly connected with the other side of bottom plate, is provided with baffle, baffle and the first side in feed back at the input end of roll-over
Plate is fixedly connected, and the cross section of baffle is L-shaped, the distance between baffle and the second side plate be greater than the first side plate and the second side plate it
Between distance.
It is fixedly connected with compressed spring on the baffle, the buffering for buffering material impact is connected in compressed spring
Plate, compressed spring are four, and four compressed springs are separately fixed on four angles of baffle, and buffer board passes through four compressed springs
It is connect with baffle.
The crushing teeth group includes coarse crushing tooth row and tooth row fine crushing, and coarse crushing tooth row and tooth row fine crushing are 4 rows, coarse crushing tooth row
On the rotating shaft with tooth row arranged for interval fine crushing.
The coarse crushing tooth row includes the coarse crushing tooth that multiple cross sections are in rectangle, the spacing between the adjacent coarse crushing tooth of any two
Identical, tooth row fine crushing includes the tooth fine crushing that multiple cross sections are in " Y " font, the spacing phase between the adjacent tooth fine crushing of any two
Together.
The rotation axis is radially fixedly connected with toothed disc, and toothed disc includes disk body and is distributed along disk body even circumferential
Sawtooth, multiple first fingers and multiple second fingers are fixedly connected on disk body, the length of the first finger is greater than the second finger,
First finger and the second finger interlaced arrangement.
The material toggling part includes material toggling cylinder, material toggling connecting rod and arc material toggling piece, one end and the material toggling cylinder of material toggling connecting rod
Connection, the other end of material toggling connecting rod are connect with arc material toggling piece, and arc material toggling piece is reciprocating under the driving of material toggling cylinder.
Pusher part of the present invention uses the prior art.
Beneficial effects of the present invention are mainly manifested in following aspect:
One, of the invention, " a, sandstone material is transported on screening station by the device for transporting objects of multi-stage screening crusher；
B, after Supplying Sieving Mechanism receives the sandstone material that device for transporting objects conveys, level-one screening is carried out by level-one sieving net, greatly
The sandstone material of partial size falls into broken station, passes through broken material transfer unit through the broken sandstone material of material crushing device
It is delivered to second level sieving net and carries out horizontal hunting sieve material, the sandstone material sifted out falls on three-level sieving net, sieved and expected by three-level
Online lower swing sieve material；C, the sandstone material after three-level sieve material falls into feed back storehouse, and the sandstone material fallen from feed back storehouse passes through back
Material transfer unit is delivered in the broken cylinder of material crushing device that carry out circulation broken ", as a complete technical solution, compared with
For the prior art, entire crushing circuit is easily controllable, it is only necessary to which a material crushing device can be achieved with the material of different-grain diameter
It is broken, material feeding material crushing device is crushed by multi-stage screening, is able to carry out continuous production, improve crushing efficiency and
Yield is conducive to promote and apply.
Two, of the invention, device for transporting objects, the material screening that multi-stage screening crusher includes rack, is arranged on the rack
Device and material crushing device, device for transporting objects include bracket, the stepper motor being arranged on bracket, conveyor belt, charging
Storehouse and discharging bin, stepper motor driving conveyor belt move back and forth between feeding warehouse and discharging bin, and feeding warehouse is located at conveying skin
One end of band, discharging bin are located at the other end of conveyor belt, and the height of the feeding warehouse is higher than discharging bin, Supplying Sieving Mechanism position
Below the discharging bin, Supplying Sieving Mechanism includes level-one sieving net, second level sieving net and three-level sieving net, level-one sieving net and water
Plane is obliquely installed in 135 degree, and the side of second level sieving net is connected with the first push-and-pull cylinder, the other side connection of second level sieving net
There is the second push-and-pull cylinder, the first push-and-pull cylinder and the second push-and-pull cylinder drive second level sieving net to move horizontally, and first pushes away
Draw the direction of motion of cylinder driving second level sieving net identical as the second push-and-pull cylinder driving direction of motion of second level sieving net, three-level
The bottom side of sieving net is connected with the first jacking cylinder, and the other side is connected with the second jacking cylinder, the first jacking cylinder and
Two jacking cylinders driving three-level sieving net is swung up and down, and material crushing device includes motor, rotation axis and broken cylinder, in rotation axis
It is fixedly connected with crushing teeth group, rotation axis passes through broken cylinder and is connected to motor, and is provided with broken material delivery section below broken cylinder
Part, second level sieving net are mounted below broken material transfer unit, and three-level sieving net is located at below second level sieving net, three-level sieve material
Side off the net is provided with feed back storehouse, and feed back transfer unit is connected with below feed back storehouse, and the import of feed back transfer unit and broken cylinder connects
It connecing, level-one sieving net is obliquely installed horizontal by 135 degree, material is naturally fallen under the effect of gravity on level-one sieving net,
Level-one sieving net can sift out large-sized material, broken by broken cylinder；Second level sieving net passes through the first push-and-pull cylinder
It is swung in the horizontal plane with the driving of the second push-and-pull cylinder and carries out sieve material, the screening of material can be accelerated, then led to by three-level sieving net
It crosses and swings up and down sieve material, sieve material efficiency can be further increased；Compared with the prior art, it is sieved by using the material of specific structure
Separating device can realize the multi-stage screening of material according to the demand of different-grain diameter, and it is broken that the material after multi-stage screening is re-fed into material
Crushing device is crushed, it is only necessary to which the material that a material crushing device can be achieved with different-grain diameter is broken, improves crushing efficiency
And yield.
Three, of the invention, feed back transfer unit includes the first fixed frame, the first conveyer belt, driving the first transmission V belt translation
Roll-over in first feed back driving motor, feed back, the second fixed frame, the second conveyer belt, second time of driving the second transmission V belt translation
Material driving motor, the material toggling part for the material on the first conveyer belt to be dialled in roll-over in feed back, be used for will be in feed back in roll-over
Material be pushed into the first pusher part on the second conveyer belt and for being pushed into the material on the second conveyer belt in broken cylinder
Two pusher parts, the first feed back driving motor and the first conveyer belt are mounted on the first fixed frame, the second feed back driving motor and
Two conveyer belts are mounted on the second fixed frame, and material toggling part is connected to the input end of roll-over in feed back, and the first pusher part is connected to back
The outlet end of roll-over in material, the second pusher part are connected on the second fixed frame, and the second pusher part, can close to the import of broken cylinder
Material after multi-stage screening is quickly transported to carry out recycling in broken cylinder and is crushed, the work for improving entire crusher is continuous
Property, and then be conducive to improve crushing efficiency and yield.
Four, of the invention, the two sides of the first fixed frame have been respectively fixedly connected with first dust cover, the cross of the first dust cover
Section is C-shaped, and two the first dust covers are arranged symmetrically along the central axis of the first conveyer belt, and the two sides of the second fixed frame are solid respectively
Surely it is connected with second dust cover, the cross section of the second dust cover is C-shaped, and two the second dust covers are along the second conveyer belt
Mandrel line is arranged symmetrically, and the material particular diameter after three-level is sieved is smaller, is easy to produce dust, passes through the dust-proof of setting specific structure
It covers and specifically arranges dust cover, the dust largely raised can be made to fall back on conveyer belt, reduce dirt of the dust to environment
Dye.
Five, of the invention, more V-arrangement tread plates, more V-arrangement tread plate interleaveds are connected on the surface of the first conveyer belt
It arranges, is connected with more S-shaped tread plates on the surface of the second conveyer belt, more S-shaped tread plates are evenly arranged, using specific structure
Tread plate and specifically arrange tread plate, can prevent material from sliding, conducive to improve material transfer efficiency and material conveying
Amount, and then be conducive to improve entire crushing efficiency.
Six, of the invention, roll-over includes the first side plate, bottom plate and the second side plate, the side of the first side plate and bottom plate in feed back
Be fixedly connected, the second side plate is fixedly connected with the other side of bottom plate, be provided with baffle in feed back at the input end of roll-over, baffle with
First side plate is fixedly connected, and the cross section of baffle is L-shaped, and the distance between baffle and the second side plate are greater than the first side plate and second
On the one hand the distance between side plate can ensure that there is material enough spaces smoothly to enter roll-over in feed back, on the other hand
Also it can prevent material from transfering to the first conveyer belt by material toggling part, avoid material unrestrained.
Seven, of the invention, it is fixedly connected with compressed spring on baffle, is connected in compressed spring for buffering material impact
Buffer board, compressed spring are four, and four compressed springs are separately fixed on four angles of baffle, and buffer board passes through four compressions
Spring is connect with baffle, and when material toggling part stirs material, material is bound on buffer board, can pass through the bullet of compressed spring
Property effect material rebound back on the first conveyer belt, conducive to raising material toggling efficiency.
Eight, of the invention, crushing teeth group includes coarse crushing tooth row and tooth row fine crushing, and coarse crushing tooth row and tooth row fine crushing are 4 rows, slightly
On the rotating shaft, coarse crushing tooth row can crush biggish material, tooth row fine crushing for broken tooth row and tooth row arranged for interval fine crushing
Lesser material can be crushed again, to realize that two-stage crushes, conducive to the crushing effect for improving material.
Nine, of the invention, coarse crushing tooth row includes the coarse crushing tooth that multiple cross sections are in rectangle, between the adjacent coarse crushing tooth of any two
Spacing it is identical, tooth row fine crushing includes the tooth fine crushing that multiple cross sections are in " Y " font, between the adjacent tooth fine crushing of any two between
Away from identical, using the arrangement of this specific structure, crushing efficiency and fragmentation quality can be further increased.
Ten, of the invention, rotation axis is radially fixedly connected with toothed disc, and toothed disc includes disk body and equal along disk body circumference
The sawtooth of even distribution, is fixedly connected with multiple first fingers and multiple second fingers on disk body, and the length of the first finger is greater than the
Two fingers, the first finger and the second finger interlaced arrangement can increase the broken number of material within the unit time, greatly mention
High material crushing efficiency and yield.
11, of the invention, material toggling part includes material toggling cylinder, material toggling connecting rod and arc material toggling piece, one end of material toggling connecting rod with
The connection of material toggling cylinder, the other end of material toggling connecting rod are connect with arc material toggling piece, and arc material toggling piece is made under the driving of material toggling cylinder
It moves back and forth, using arc material toggling piece, arc material toggling piece can be improved material toggling capacity under the driving of material toggling cylinder, by material
Quickly dial in feed back in roll-over.
Detailed description of the invention
The present invention is described in further detail below in conjunction with specification drawings and specific embodiments, in which:
Fig. 1 is the structural schematic diagram of multi-stage screening crusher of the present invention；
Fig. 2 is the structural schematic diagram of the first conveyer belt of the invention；
Fig. 3 is the structural schematic diagram of the second conveyer belt of the invention；
Fig. 4 is the structural schematic diagram of roll-over in feed back of the present invention；
Fig. 5 is the structural schematic diagram of rotation axis of the present invention；
Fig. 6 is the structural schematic diagram of toothed disc of the present invention；
Fig. 7 is the structural schematic diagram of material toggling part of the present invention；
Marked in the figure: 1, rack, 2, bracket, 3, stepper motor, 4, conveyor belt, 5, feeding warehouse, 6, discharging bin, 7, level-one sieve material
Net, 8, second level sieving net, 9, three-level sieving net, the 10, first push-and-pull cylinder, the 11, second push-and-pull cylinder, the 12, first jacking cylinder,
13, the second jacking cylinder, 14, motor, 15, rotation axis, 16, broken cylinder, 17, broken material transfer unit, 18, feed back storehouse, 19,
Feed back transfer unit, the 20, first fixed frame, the 21, first conveyer belt, the 22, first feed back driving motor, 23, roll-over in feed back,
24, the second fixed frame, the 25, second conveyer belt, the 26, second feed back driving motor, 27, material toggling part, the 28, first pusher part, 29,
Two pusher parts, the 30, first dust cover, the 31, second dust cover, 32, V-arrangement tread plate, 33, S-shaped tread plate, the 34, first side plate,
35, bottom plate, the 36, second side plate, 37, baffle, 38, compressed spring, 39, buffer board, 40, coarse crushing tooth row, 41, tooth row fine crushing, 42,
Disk body, 43, sawtooth, the 44, first finger, the 45, second finger, 46, material toggling cylinder, 47, material toggling connecting rod, 48, arc material toggling piece.
Specific embodiment
Embodiment 1
A kind of sandstone material multi sieving approach method, comprising the following steps:
A, sandstone material is transported on screening station by the device for transporting objects of multi-stage screening crusher；
B, after Supplying Sieving Mechanism receives the sandstone material that device for transporting objects conveys, pass through level-one sieving net 7 and carry out level-one sieve
Point, large-sized sandstone material falls into broken station, defeated by broken material through the broken sandstone material of material crushing device
It send component 17 to be delivered to second level sieving net 8 and carries out horizontal hunting sieve material, the sandstone material sifted out falls on three-level sieving net 9, leads to
It crosses three-level sieving net 9 and swings up and down sieve material；
C, the sandstone material after three-level sieve material falls into feed back storehouse 18, and the sandstone material fallen from feed back storehouse 18 is through feed back delivery section
Part 19 is delivered in the broken cylinder 16 of material crushing device recycle and be crushed.
The present embodiment is most basic embodiment, " a, is conveyed sandstone material by the material of multi-stage screening crusher
Device is transported on screening station；B, after Supplying Sieving Mechanism receives the sandstone material that device for transporting objects conveys, pass through level-one
Sieving net carries out level-one screening, and large-sized sandstone material falls into broken station, through the broken sandstone object of material crushing device
Material is delivered to second level sieving net by broken material transfer unit and carries out horizontal hunting sieve material, and the sandstone material sifted out falls into three-level
On sieving net, sieve material is swung up and down by three-level sieving net；C, the sandstone material after three-level sieve material falls into feed back storehouse, from feed back
The sandstone material that storehouse is fallen is delivered in the broken cylinder of material crushing device recycle through feed back transfer unit and be crushed ", as
One complete technical solution, compared with the prior art, entire crushing circuit is easily controllable, it is only necessary to which a material crushing device is just
The material for being able to achieve different-grain diameter is broken, is crushed material feeding material crushing device by multi-stage screening, is able to carry out continuous
Metaplasia produces, and improves crushing efficiency and yield, is conducive to promote and apply.
Embodiment 2
A kind of sandstone material multi sieving approach method, comprising the following steps:
A, sandstone material is transported on screening station by the device for transporting objects of multi-stage screening crusher；
B, after Supplying Sieving Mechanism receives the sandstone material that device for transporting objects conveys, pass through level-one sieving net 7 and carry out level-one sieve
Point, large-sized sandstone material falls into broken station, defeated by broken material through the broken sandstone material of material crushing device
It send component 17 to be delivered to second level sieving net 8 and carries out horizontal hunting sieve material, the sandstone material sifted out falls on three-level sieving net 9, leads to
It crosses three-level sieving net 9 and swings up and down sieve material；
C, the sandstone material after three-level sieve material falls into feed back storehouse 18, and the sandstone material fallen from feed back storehouse 18 is through feed back delivery section
Part 19 is delivered in the broken cylinder 16 of material crushing device recycle and be crushed.
The multi-stage screening crusher includes rack 1, is arranged on the rack device for transporting objects, Supplying Sieving Mechanism and
Material crushing device, device for transporting objects include bracket 2, the stepper motor being arranged on bracket 23, conveyor belt 4, feeding warehouse 5
With discharging bin 6, stepper motor 3 drives conveyor belt 4 to move back and forth between feeding warehouse 5 and discharging bin 6, and feeding warehouse 5 is located at defeated
One end of belt 4 is sent, discharging bin 6 is located at the other end of conveyor belt 4, and the height of feeding warehouse 5 is higher than discharging bin 6, material screening
Device is located at 6 lower section of discharging bin, and Supplying Sieving Mechanism includes level-one sieving net 7, second level sieving net 8 and three-level sieving net 9, level-one
Sieving net 7 is obliquely installed horizontal by 135 degree, and the side of second level sieving net 8 is connected with the first push-and-pull cylinder 10, second level sieve material
The other side of net 8 is connected with the second push-and-pull cylinder 11, and the first push-and-pull cylinder 10 and the second push-and-pull cylinder 11 drive second level sieve material
Net 8 moves horizontally, and the direction of motion and the second push-and-pull cylinder 11 driving two of the first push-and-pull cylinder 10 driving second level sieving net 8
The direction of motion of grade sieving net 8 is identical, and the bottom side of three-level sieving net 9 is connected with the first jacking cylinder 12, other side connection
There is the second jacking cylinder 13, the first jacking cylinder 12 and the second jacking cylinder 13 driving three-level sieving net 9 are swung up and down, and material is broken
Crushing device includes motor 14, rotation axis 15 and broken cylinder 16, and crushing teeth group is fixedly connected in rotation axis 15, and rotation axis 15 passes through
Broken cylinder 16 is connect with motor 14, is provided with broken material transfer unit 17 below broken cylinder 16, second level sieving net 8 is mounted on brokenly
17 lower section of broken material transfer unit, three-level sieving net 9 are located at 8 lower section of second level sieving net, are provided with feed back below three-level sieving net 9
Storehouse 18 is connected with feed back transfer unit 19 below feed back storehouse 18, and feed back transfer unit 19 is connect with the import of broken cylinder 16.
The present embodiment is a better embodiment, and multi-stage screening crusher includes rack, the material that is arranged on the rack is defeated
Device, Supplying Sieving Mechanism and material crushing device are sent, device for transporting objects includes bracket, the stepping being arranged on bracket electricity
Machine, conveyor belt, feeding warehouse and discharging bin, stepper motor driving conveyor belt move back and forth between feeding warehouse and discharging bin,
Feeding warehouse is located at one end of conveyor belt, and discharging bin is located at the other end of conveyor belt, and the height of the feeding warehouse is higher than discharging
Storehouse, Supplying Sieving Mechanism are located at below discharging bin, and Supplying Sieving Mechanism includes level-one sieving net, second level sieving net and three-level sieve material
Net, level-one sieving net are obliquely installed horizontal by 135 degree, and the side of second level sieving net is connected with the first push-and-pull cylinder, second level
The other side of sieving net is connected with the second push-and-pull cylinder, and the first push-and-pull cylinder and the second push-and-pull cylinder drive second level sieving net to make
Horizontal movement, and the direction of motion of the first push-and-pull cylinder driving second level sieving net and the second push-and-pull cylinder drive second level sieving net
The direction of motion is identical, and the bottom side of three-level sieving net is connected with the first jacking cylinder, and the other side is connected with the second jacking cylinder,
First jacking cylinder and the second jacking cylinder driving three-level sieving net are swung up and down, and material crushing device includes motor, rotation axis
With broken cylinder, crushing teeth group is fixedly connected in rotation axis, rotation axis passes through broken cylinder and is connected to motor, and is crushed setting below cylinder
There is broken material transfer unit, second level sieving net is mounted below broken material transfer unit, and three-level sieving net is located at second level sieve
Expect side off the net, feed back storehouse is provided with below three-level sieving net, is connected with feed back transfer unit, feed back transfer unit below feed back storehouse
It connect, level-one sieving net is obliquely installed horizontal by 135 degree, material is fallen naturally under the effect of gravity with the import of broken cylinder
Enter on level-one sieving net, level-one sieving net can sift out large-sized material, broken by broken cylinder；Second level sieving net is logical
It crosses the first push-and-pull cylinder and the driving of the second push-and-pull cylinder swings carry out sieve material in the horizontal plane, the screening of material can be accelerated, then
By three-level sieving net by swinging up and down sieve material, sieve material efficiency can be further increased；Compared with the prior art, by using spy
Determine the Supplying Sieving Mechanism of structure, the multi-stage screening of material, the object after multi-stage screening can be realized according to the demand of different-grain diameter
Material is re-fed into material crushing device and is crushed, it is only necessary to and the material that a material crushing device can be achieved with different-grain diameter is broken,
Improve crushing efficiency and yield.
Embodiment 3
A kind of sandstone material multi sieving approach method, comprising the following steps:
A, sandstone material is transported on screening station by the device for transporting objects of multi-stage screening crusher；
B, after Supplying Sieving Mechanism receives the sandstone material that device for transporting objects conveys, pass through level-one sieving net 7 and carry out level-one sieve
Point, large-sized sandstone material falls into broken station, defeated by broken material through the broken sandstone material of material crushing device
It send component 17 to be delivered to second level sieving net 8 and carries out horizontal hunting sieve material, the sandstone material sifted out falls on three-level sieving net 9, leads to
It crosses three-level sieving net 9 and swings up and down sieve material；
C, the sandstone material after three-level sieve material falls into feed back storehouse 18, and the sandstone material fallen from feed back storehouse 18 is through feed back delivery section
Part 19 is delivered in the broken cylinder 16 of material crushing device recycle and be crushed.
The multi-stage screening crusher includes rack 1, is arranged on the rack device for transporting objects, Supplying Sieving Mechanism and
Material crushing device, device for transporting objects include bracket 2, the stepper motor being arranged on bracket 23, conveyor belt 4, feeding warehouse 5
With discharging bin 6, stepper motor 3 drives conveyor belt 4 to move back and forth between feeding warehouse 5 and discharging bin 6, and feeding warehouse 5 is located at defeated
One end of belt 4 is sent, discharging bin 6 is located at the other end of conveyor belt 4, and the height of feeding warehouse 5 is higher than discharging bin 6, material screening
Device is located at 6 lower section of discharging bin, and Supplying Sieving Mechanism includes level-one sieving net 7, second level sieving net 8 and three-level sieving net 9, level-one
Sieving net 7 is obliquely installed horizontal by 135 degree, and the side of second level sieving net 8 is connected with the first push-and-pull cylinder 10, second level sieve material
The other side of net 8 is connected with the second push-and-pull cylinder 11, and the first push-and-pull cylinder 10 and the second push-and-pull cylinder 11 drive second level sieve material
Net 8 moves horizontally, and the direction of motion and the second push-and-pull cylinder 11 driving two of the first push-and-pull cylinder 10 driving second level sieving net 8
The direction of motion of grade sieving net 8 is identical, and the bottom side of three-level sieving net 9 is connected with the first jacking cylinder 12, other side connection
There is the second jacking cylinder 13, the first jacking cylinder 12 and the second jacking cylinder 13 driving three-level sieving net 9 are swung up and down, and material is broken
Crushing device includes motor 14, rotation axis 15 and broken cylinder 16, and crushing teeth group is fixedly connected in rotation axis 15, and rotation axis 15 passes through
Broken cylinder 16 is connect with motor 14, is provided with broken material transfer unit 17 below broken cylinder 16, second level sieving net 8 is mounted on brokenly
17 lower section of broken material transfer unit, three-level sieving net 9 are located at 8 lower section of second level sieving net, are provided with feed back below three-level sieving net 9
Storehouse 18 is connected with feed back transfer unit 19 below feed back storehouse 18, and feed back transfer unit 19 is connect with the import of broken cylinder 16.
The feed back transfer unit 19 includes the first fixed frame 20, the first conveyer belt 21, driving the first conveyer belt 21 transmission
The first feed back driving motor 22, roll-over 23, the second fixed frame 24, the second conveyer belt 25, the second conveyer belt 25 of driving in feed back
The second feed back driving motor 26, the material toggling part for the material on the first conveyer belt 21 to be dialled in roll-over 23 in feed back of transmission
27, the first pusher part 28 for the material in feed back in roll-over 23 to be pushed on the second conveyer belt 25 and be used for by second transmission
The second pusher part 29 in broken cylinder 16, the first feed back driving motor 22 and the installation of the first conveyer belt 21 are pushed into the material on 25
On the first fixed frame 20, the second feed back driving motor 26 and the second conveyer belt 25 are mounted on the second fixed frame 24, material toggling part
27 are connected to the input end of roll-over 23 in feed back, and the first pusher part 28 is connected to the outlet end of roll-over 23 in feed back, the second pusher
Part 29 is connected on the second fixed frame 24, import of the second pusher part 29 close to broken cylinder 16.
The present embodiment is a better embodiment, and feed back transfer unit includes the first fixed frame, the first conveyer belt, driving the
Roll-over, the second fixed frame, the second conveyer belt, the second transmission of driving in one transmission the first feed back driving motor of V belt translation, feed back
Second feed back driving motor of V belt translation, is used for the material toggling part for the material on the first conveyer belt to be dialled in roll-over in feed back
By the first pusher part that the material in feed back in roll-over is pushed on the second conveyer belt and it is used to push away the material on the second conveyer belt
Entering the second pusher part in broken cylinder, the first feed back driving motor and the first conveyer belt are mounted on the first fixed frame, and second time
Material driving motor and the second conveyer belt are mounted on the second fixed frame, and material toggling part is connected to the input end of roll-over in feed back, and first
Pusher part is connected to the outlet end of roll-over in feed back, and the second pusher part is connected on the second fixed frame, and the second pusher part is close to broken
Material after multi-stage screening, can quickly be transported in broken cylinder that carry out circulation broken by the import of broken cylinder, be improved entire
The work continuity of crusher, and then be conducive to improve crushing efficiency and yield.
Embodiment 4
A kind of sandstone material multi sieving approach method, comprising the following steps:
A, sandstone material is transported on screening station by the device for transporting objects of multi-stage screening crusher；
B, after Supplying Sieving Mechanism receives the sandstone material that device for transporting objects conveys, pass through level-one sieving net 7 and carry out level-one sieve
Point, large-sized sandstone material falls into broken station, defeated by broken material through the broken sandstone material of material crushing device
It send component 17 to be delivered to second level sieving net 8 and carries out horizontal hunting sieve material, the sandstone material sifted out falls on three-level sieving net 9, leads to
It crosses three-level sieving net 9 and swings up and down sieve material；
C, the sandstone material after three-level sieve material falls into feed back storehouse 18, and the sandstone material fallen from feed back storehouse 18 is through feed back delivery section
Part 19 is delivered in the broken cylinder 16 of material crushing device recycle and be crushed.
The multi-stage screening crusher includes rack 1, is arranged on the rack device for transporting objects, Supplying Sieving Mechanism and
Material crushing device, device for transporting objects include bracket 2, the stepper motor being arranged on bracket 23, conveyor belt 4, feeding warehouse 5
With discharging bin 6, stepper motor 3 drives conveyor belt 4 to move back and forth between feeding warehouse 5 and discharging bin 6, and feeding warehouse 5 is located at defeated
One end of belt 4 is sent, discharging bin 6 is located at the other end of conveyor belt 4, and the height of feeding warehouse 5 is higher than discharging bin 6, material screening
Device is located at 6 lower section of discharging bin, and Supplying Sieving Mechanism includes level-one sieving net 7, second level sieving net 8 and three-level sieving net 9, level-one
Sieving net 7 is obliquely installed horizontal by 135 degree, and the side of second level sieving net 8 is connected with the first push-and-pull cylinder 10, second level sieve material
The other side of net 8 is connected with the second push-and-pull cylinder 11, and the first push-and-pull cylinder 10 and the second push-and-pull cylinder 11 drive second level sieve material
Net 8 moves horizontally, and the direction of motion and the second push-and-pull cylinder 11 driving two of the first push-and-pull cylinder 10 driving second level sieving net 8
The direction of motion of grade sieving net 8 is identical, and the bottom side of three-level sieving net 9 is connected with the first jacking cylinder 12, other side connection
There is the second jacking cylinder 13, the first jacking cylinder 12 and the second jacking cylinder 13 driving three-level sieving net 9 are swung up and down, and material is broken
Crushing device includes motor 14, rotation axis 15 and broken cylinder 16, and crushing teeth group is fixedly connected in rotation axis 15, and rotation axis 15 passes through
Broken cylinder 16 is connect with motor 14, is provided with broken material transfer unit 17 below broken cylinder 16, second level sieving net 8 is mounted on brokenly
17 lower section of broken material transfer unit, three-level sieving net 9 are located at 8 lower section of second level sieving net, are provided with feed back below three-level sieving net 9
Storehouse 18 is connected with feed back transfer unit 19 below feed back storehouse 18, and feed back transfer unit 19 is connect with the import of broken cylinder 16.
The feed back transfer unit 19 includes the first fixed frame 20, the first conveyer belt 21, driving the first conveyer belt 21 transmission
The first feed back driving motor 22, roll-over 23, the second fixed frame 24, the second conveyer belt 25, the second conveyer belt 25 of driving in feed back
The second feed back driving motor 26, the material toggling part for the material on the first conveyer belt 21 to be dialled in roll-over 23 in feed back of transmission
27, the first pusher part 28 for the material in feed back in roll-over 23 to be pushed on the second conveyer belt 25 and be used for by second transmission
The second pusher part 29 in broken cylinder 16, the first feed back driving motor 22 and the installation of the first conveyer belt 21 are pushed into the material on 25
On the first fixed frame 20, the second feed back driving motor 26 and the second conveyer belt 25 are mounted on the second fixed frame 24, material toggling part
27 are connected to the input end of roll-over 23 in feed back, and the first pusher part 28 is connected to the outlet end of roll-over 23 in feed back, the second pusher
Part 29 is connected on the second fixed frame 24, import of the second pusher part 29 close to broken cylinder 16.
The two sides of first fixed frame 20 have been respectively fixedly connected with first dust cover 30, the cross of the first dust cover 30
Section is C-shaped, and two the first dust covers 30 are arranged symmetrically along the central axis of the first conveyer belt 21, the two sides of the second fixed frame 24
It is respectively fixedly connected with second dust cover 31, the cross section of the second dust cover 31 is C-shaped, and two the second dust covers 31 are along
The central axis of two conveyer belts 25 is arranged symmetrically.
The present embodiment is another better embodiment, the two sides of the first fixed frame be respectively fixedly connected with one it is first dust-proof
Cover, the cross section of the first dust cover is C-shaped, and two the first dust covers are arranged symmetrically along the central axis of the first conveyer belt, and second
The two sides of fixed frame have been respectively fixedly connected with second dust cover, and the cross section of the second dust cover is C-shaped, and two second dust-proof
The central axis covered along the second conveyer belt is arranged symmetrically, and the material particular diameter after three-level is sieved is smaller, is easy to produce dust, passes through
The dust cover of specific structure is set and specifically arranges dust cover, the dust largely raised can be made to fall back on conveyer belt,
Reduce pollution of the dust to environment.
Embodiment 5
A kind of sandstone material multi sieving approach method, comprising the following steps:
A, sandstone material is transported on screening station by the device for transporting objects of multi-stage screening crusher；
B, after Supplying Sieving Mechanism receives the sandstone material that device for transporting objects conveys, pass through level-one sieving net 7 and carry out level-one sieve
Point, large-sized sandstone material falls into broken station, defeated by broken material through the broken sandstone material of material crushing device
It send component 17 to be delivered to second level sieving net 8 and carries out horizontal hunting sieve material, the sandstone material sifted out falls on three-level sieving net 9, leads to
It crosses three-level sieving net 9 and swings up and down sieve material；
C, the sandstone material after three-level sieve material falls into feed back storehouse 18, and the sandstone material fallen from feed back storehouse 18 is through feed back delivery section
Part 19 is delivered in the broken cylinder 16 of material crushing device recycle and be crushed.
The multi-stage screening crusher includes rack 1, is arranged on the rack device for transporting objects, Supplying Sieving Mechanism and
Material crushing device, device for transporting objects include bracket 2, the stepper motor being arranged on bracket 23, conveyor belt 4, feeding warehouse 5
With discharging bin 6, stepper motor 3 drives conveyor belt 4 to move back and forth between feeding warehouse 5 and discharging bin 6, and feeding warehouse 5 is located at defeated
One end of belt 4 is sent, discharging bin 6 is located at the other end of conveyor belt 4, and the height of feeding warehouse 5 is higher than discharging bin 6, material screening
Device is located at 6 lower section of discharging bin, and Supplying Sieving Mechanism includes level-one sieving net 7, second level sieving net 8 and three-level sieving net 9, level-one
Sieving net 7 is obliquely installed horizontal by 135 degree, and the side of second level sieving net 8 is connected with the first push-and-pull cylinder 10, second level sieve material
The other side of net 8 is connected with the second push-and-pull cylinder 11, and the first push-and-pull cylinder 10 and the second push-and-pull cylinder 11 drive second level sieve material
Net 8 moves horizontally, and the direction of motion and the second push-and-pull cylinder 11 driving two of the first push-and-pull cylinder 10 driving second level sieving net 8
The direction of motion of grade sieving net 8 is identical, and the bottom side of three-level sieving net 9 is connected with the first jacking cylinder 12, other side connection
There is the second jacking cylinder 13, the first jacking cylinder 12 and the second jacking cylinder 13 driving three-level sieving net 9 are swung up and down, and material is broken
Crushing device includes motor 14, rotation axis 15 and broken cylinder 16, and crushing teeth group is fixedly connected in rotation axis 15, and rotation axis 15 passes through
Broken cylinder 16 is connect with motor 14, is provided with broken material transfer unit 17 below broken cylinder 16, second level sieving net 8 is mounted on brokenly
17 lower section of broken material transfer unit, three-level sieving net 9 are located at 8 lower section of second level sieving net, are provided with feed back below three-level sieving net 9
Storehouse 18 is connected with feed back transfer unit 19 below feed back storehouse 18, and feed back transfer unit 19 is connect with the import of broken cylinder 16.
The feed back transfer unit 19 includes the first fixed frame 20, the first conveyer belt 21, driving the first conveyer belt 21 transmission
The first feed back driving motor 22, roll-over 23, the second fixed frame 24, the second conveyer belt 25, the second conveyer belt 25 of driving in feed back
The second feed back driving motor 26, the material toggling part for the material on the first conveyer belt 21 to be dialled in roll-over 23 in feed back of transmission
27, the first pusher part 28 for the material in feed back in roll-over 23 to be pushed on the second conveyer belt 25 and be used for by second transmission
The second pusher part 29 in broken cylinder 16, the first feed back driving motor 22 and the installation of the first conveyer belt 21 are pushed into the material on 25
On the first fixed frame 20, the second feed back driving motor 26 and the second conveyer belt 25 are mounted on the second fixed frame 24, material toggling part
27 are connected to the input end of roll-over 23 in feed back, and the first pusher part 28 is connected to the outlet end of roll-over 23 in feed back, the second pusher
Part 29 is connected on the second fixed frame 24, import of the second pusher part 29 close to broken cylinder 16.
The two sides of first fixed frame 20 have been respectively fixedly connected with first dust cover 30, the cross of the first dust cover 30
Section is C-shaped, and two the first dust covers 30 are arranged symmetrically along the central axis of the first conveyer belt 21, the two sides of the second fixed frame 24
It is respectively fixedly connected with second dust cover 31, the cross section of the second dust cover 31 is C-shaped, and two the second dust covers 31 are along
The central axis of two conveyer belts 25 is arranged symmetrically.
More V-arrangement tread plates 32, more 32 interleaveds of V-arrangement tread plate are connected on the surface of first conveyer belt 21
It arranges, is connected with more S-shaped tread plates 33 on the surface of the second conveyer belt 25, more S-shaped tread plates 33 are evenly arranged.
Roll-over 23 includes the first side plate 34, bottom plate 35 and the second side plate 36, the first side plate 34 and bottom plate 35 in the feed back
Side be fixedly connected, the second side plate 36 is fixedly connected with the other side of bottom plate 35, in feed back at the input end of roll-over 23 be arranged
Have baffle 37, baffle 37 is fixedly connected with the first side plate 34, and the cross section of baffle 37 is L-shaped, baffle 37 and the second side plate 36 it
Between distance be greater than the distance between the first side plate 34 and the second side plate 36.
The present embodiment is another better embodiment, is connected with more V-arrangement tread plates on the surface of the first conveyer belt, more
V-arrangement tread plate is interval-staggered, and more S-shaped tread plates are connected on the surface of the second conveyer belt, and more S-shaped tread plates are uniform
Arrangement, using specific structure tread plate and specifically arrange tread plate, can prevent material from sliding, conducive to raising material it is defeated
Efficiency and material conveying capacity are sent, and then is conducive to improve entire crushing efficiency.
Roll-over includes the first side plate, bottom plate and the second side plate in feed back, and the first side plate is fixedly connected with the side of bottom plate, the
Two side plates are fixedly connected with the other side of bottom plate, are provided with baffle in feed back at the input end of roll-over, and baffle and the first side plate are solid
Fixed connection, the cross section of baffle is L-shaped, and the distance between baffle and the second side plate are greater than between the first side plate and the second side plate
On the one hand distance can ensure that there is material enough spaces smoothly to enter roll-over in feed back, on the other hand can also prevent
Material transfers to the first conveyer belt by material toggling part, avoids material unrestrained.
Embodiment 6
A kind of sandstone material multi sieving approach method, comprising the following steps:
A, sandstone material is transported on screening station by the device for transporting objects of multi-stage screening crusher；
B, after Supplying Sieving Mechanism receives the sandstone material that device for transporting objects conveys, pass through level-one sieving net 7 and carry out level-one sieve
Point, large-sized sandstone material falls into broken station, defeated by broken material through the broken sandstone material of material crushing device
It send component 17 to be delivered to second level sieving net 8 and carries out horizontal hunting sieve material, the sandstone material sifted out falls on three-level sieving net 9, leads to
It crosses three-level sieving net 9 and swings up and down sieve material；
C, the sandstone material after three-level sieve material falls into feed back storehouse 18, and the sandstone material fallen from feed back storehouse 18 is through feed back delivery section
Part 19 is delivered in the broken cylinder 16 of material crushing device recycle and be crushed.
The multi-stage screening crusher includes rack 1, is arranged on the rack device for transporting objects, Supplying Sieving Mechanism and
Material crushing device, device for transporting objects include bracket 2, the stepper motor being arranged on bracket 23, conveyor belt 4, feeding warehouse 5
With discharging bin 6, stepper motor 3 drives conveyor belt 4 to move back and forth between feeding warehouse 5 and discharging bin 6, and feeding warehouse 5 is located at defeated
One end of belt 4 is sent, discharging bin 6 is located at the other end of conveyor belt 4, and the height of feeding warehouse 5 is higher than discharging bin 6, material screening
Device is located at 6 lower section of discharging bin, and Supplying Sieving Mechanism includes level-one sieving net 7, second level sieving net 8 and three-level sieving net 9, level-one
Sieving net 7 is obliquely installed horizontal by 135 degree, and the side of second level sieving net 8 is connected with the first push-and-pull cylinder 10, second level sieve material
The other side of net 8 is connected with the second push-and-pull cylinder 11, and the first push-and-pull cylinder 10 and the second push-and-pull cylinder 11 drive second level sieve material
Net 8 moves horizontally, and the direction of motion and the second push-and-pull cylinder 11 driving two of the first push-and-pull cylinder 10 driving second level sieving net 8
The direction of motion of grade sieving net 8 is identical, and the bottom side of three-level sieving net 9 is connected with the first jacking cylinder 12, other side connection
There is the second jacking cylinder 13, the first jacking cylinder 12 and the second jacking cylinder 13 driving three-level sieving net 9 are swung up and down, and material is broken
Crushing device includes motor 14, rotation axis 15 and broken cylinder 16, and crushing teeth group is fixedly connected in rotation axis 15, and rotation axis 15 passes through
Broken cylinder 16 is connect with motor 14, is provided with broken material transfer unit 17 below broken cylinder 16, second level sieving net 8 is mounted on brokenly
17 lower section of broken material transfer unit, three-level sieving net 9 are located at 8 lower section of second level sieving net, are provided with feed back below three-level sieving net 9
Storehouse 18 is connected with feed back transfer unit 19 below feed back storehouse 18, and feed back transfer unit 19 is connect with the import of broken cylinder 16.
The feed back transfer unit 19 includes the first fixed frame 20, the first conveyer belt 21, driving the first conveyer belt 21 transmission
The first feed back driving motor 22, roll-over 23, the second fixed frame 24, the second conveyer belt 25, the second conveyer belt 25 of driving in feed back
The second feed back driving motor 26, the material toggling part for the material on the first conveyer belt 21 to be dialled in roll-over 23 in feed back of transmission
27, the first pusher part 28 for the material in feed back in roll-over 23 to be pushed on the second conveyer belt 25 and be used for by second transmission
The second pusher part 29 in broken cylinder 16, the first feed back driving motor 22 and the installation of the first conveyer belt 21 are pushed into the material on 25
On the first fixed frame 20, the second feed back driving motor 26 and the second conveyer belt 25 are mounted on the second fixed frame 24, material toggling part
27 are connected to the input end of roll-over 23 in feed back, and the first pusher part 28 is connected to the outlet end of roll-over 23 in feed back, the second pusher
Part 29 is connected on the second fixed frame 24, import of the second pusher part 29 close to broken cylinder 16.
The two sides of first fixed frame 20 have been respectively fixedly connected with first dust cover 30, the cross of the first dust cover 30
Section is C-shaped, and two the first dust covers 30 are arranged symmetrically along the central axis of the first conveyer belt 21, the two sides of the second fixed frame 24
It is respectively fixedly connected with second dust cover 31, the cross section of the second dust cover 31 is C-shaped, and two the second dust covers 31 are along
The central axis of two conveyer belts 25 is arranged symmetrically.
More V-arrangement tread plates 32, more 32 interleaveds of V-arrangement tread plate are connected on the surface of first conveyer belt 21
It arranges, is connected with more S-shaped tread plates 33 on the surface of the second conveyer belt 25, more S-shaped tread plates 33 are evenly arranged.
Roll-over 23 includes the first side plate 34, bottom plate 35 and the second side plate 36, the first side plate 34 and bottom plate 35 in the feed back
Side be fixedly connected, the second side plate 36 is fixedly connected with the other side of bottom plate 35, in feed back at the input end of roll-over 23 be arranged
Have baffle 37, baffle 37 is fixedly connected with the first side plate 34, and the cross section of baffle 37 is L-shaped, baffle 37 and the second side plate 36 it
Between distance be greater than the distance between the first side plate 34 and the second side plate 36.
It is fixedly connected with compressed spring 38 on the baffle 37, is connected in compressed spring 38 for buffering material impact
Buffer board 39, compressed spring 38 are four, and four compressed springs 38 are separately fixed on four angles of baffle 37, and buffer board 39 is logical
Four compressed springs 38 are crossed to connect with baffle 37.
The crushing teeth group includes coarse crushing tooth row 40 and tooth row fine crushing 41, and coarse crushing tooth row 40 and tooth row fine crushing 41 are 4 rows,
Coarse crushing tooth row 40 and 41 arranged for interval of tooth row fine crushing are in rotation axis 15.
The coarse crushing tooth row 40 includes the coarse crushing tooth that multiple cross sections are in rectangle, between the adjacent coarse crushing tooth of any two between
Away from identical, tooth row 41 fine crushing includes the tooth fine crushing that multiple cross sections are in " Y " font, the spacing between the adjacent tooth fine crushing of any two
It is identical.
The present embodiment is another better embodiment, is fixedly connected with compressed spring on baffle, is connected in compressed spring
For buffering the buffer board of material impact, compressed spring is four, and four compressed springs are separately fixed on four angles of baffle,
Buffer board is connect by four compressed springs with baffle, and when material toggling part stirs material, material is bound on buffer board, energy
Enough material is rebounded back on the first conveyer belt by the elastic reaction of compressed spring, is conducive to improve material toggling efficiency.
Crushing teeth group includes coarse crushing tooth row and tooth row fine crushing, and coarse crushing tooth row and tooth row fine crushing are 4 rows, coarse crushing tooth row and thin
On the rotating shaft, coarse crushing tooth row can crush biggish material broken tooth row arranged for interval, tooth row fine crushing again can to compared with
Small material is crushed, to realize that two-stage crushes, conducive to the crushing effect for improving material.
Coarse crushing tooth row includes the coarse crushing tooth that multiple cross sections are in rectangle, the spacing phase between the adjacent coarse crushing tooth of any two
Together, tooth row fine crushing includes the tooth fine crushing that multiple cross sections are in " Y " font, and the spacing between the adjacent tooth fine crushing of any two is identical,
Using the arrangement of this specific structure, crushing efficiency and fragmentation quality can be further increased.
Embodiment 7
A kind of sandstone material multi sieving approach method, comprising the following steps:
A, sandstone material is transported on screening station by the device for transporting objects of multi-stage screening crusher；
B, after Supplying Sieving Mechanism receives the sandstone material that device for transporting objects conveys, pass through level-one sieving net 7 and carry out level-one sieve
Point, large-sized sandstone material falls into broken station, defeated by broken material through the broken sandstone material of material crushing device
It send component 17 to be delivered to second level sieving net 8 and carries out horizontal hunting sieve material, the sandstone material sifted out falls on three-level sieving net 9, leads to
It crosses three-level sieving net 9 and swings up and down sieve material；
C, the sandstone material after three-level sieve material falls into feed back storehouse 18, and the sandstone material fallen from feed back storehouse 18 is through feed back delivery section
Part 19 is delivered in the broken cylinder 16 of material crushing device recycle and be crushed.
The multi-stage screening crusher includes rack 1, is arranged on the rack device for transporting objects, Supplying Sieving Mechanism and
Material crushing device, device for transporting objects include bracket 2, the stepper motor being arranged on bracket 23, conveyor belt 4, feeding warehouse 5
With discharging bin 6, stepper motor 3 drives conveyor belt 4 to move back and forth between feeding warehouse 5 and discharging bin 6, and feeding warehouse 5 is located at defeated
One end of belt 4 is sent, discharging bin 6 is located at the other end of conveyor belt 4, and the height of feeding warehouse 5 is higher than discharging bin 6, material screening
Device is located at 6 lower section of discharging bin, and Supplying Sieving Mechanism includes level-one sieving net 7, second level sieving net 8 and three-level sieving net 9, level-one
Sieving net 7 is obliquely installed horizontal by 135 degree, and the side of second level sieving net 8 is connected with the first push-and-pull cylinder 10, second level sieve material
The other side of net 8 is connected with the second push-and-pull cylinder 11, and the first push-and-pull cylinder 10 and the second push-and-pull cylinder 11 drive second level sieve material
Net 8 moves horizontally, and the direction of motion and the second push-and-pull cylinder 11 driving two of the first push-and-pull cylinder 10 driving second level sieving net 8
The direction of motion of grade sieving net 8 is identical, and the bottom side of three-level sieving net 9 is connected with the first jacking cylinder 12, other side connection
There is the second jacking cylinder 13, the first jacking cylinder 12 and the second jacking cylinder 13 driving three-level sieving net 9 are swung up and down, and material is broken
Crushing device includes motor 14, rotation axis 15 and broken cylinder 16, and crushing teeth group is fixedly connected in rotation axis 15, and rotation axis 15 passes through
Broken cylinder 16 is connect with motor 14, is provided with broken material transfer unit 17 below broken cylinder 16, second level sieving net 8 is mounted on brokenly
17 lower section of broken material transfer unit, three-level sieving net 9 are located at 8 lower section of second level sieving net, are provided with feed back below three-level sieving net 9
Storehouse 18 is connected with feed back transfer unit 19 below feed back storehouse 18, and feed back transfer unit 19 is connect with the import of broken cylinder 16.
The feed back transfer unit 19 includes the first fixed frame 20, the first conveyer belt 21, driving the first conveyer belt 21 transmission
The first feed back driving motor 22, roll-over 23, the second fixed frame 24, the second conveyer belt 25, the second conveyer belt 25 of driving in feed back
The second feed back driving motor 26, the material toggling part for the material on the first conveyer belt 21 to be dialled in roll-over 23 in feed back of transmission
27, the first pusher part 28 for the material in feed back in roll-over 23 to be pushed on the second conveyer belt 25 and be used for by second transmission
The second pusher part 29 in broken cylinder 16, the first feed back driving motor 22 and the installation of the first conveyer belt 21 are pushed into the material on 25
On the first fixed frame 20, the second feed back driving motor 26 and the second conveyer belt 25 are mounted on the second fixed frame 24, material toggling part
27 are connected to the input end of roll-over 23 in feed back, and the first pusher part 28 is connected to the outlet end of roll-over 23 in feed back, the second pusher
Part 29 is connected on the second fixed frame 24, import of the second pusher part 29 close to broken cylinder 16.
The two sides of first fixed frame 20 have been respectively fixedly connected with first dust cover 30, the cross of the first dust cover 30
Section is C-shaped, and two the first dust covers 30 are arranged symmetrically along the central axis of the first conveyer belt 21, the two sides of the second fixed frame 24
It is respectively fixedly connected with second dust cover 31, the cross section of the second dust cover 31 is C-shaped, and two the second dust covers 31 are along
The central axis of two conveyer belts 25 is arranged symmetrically.
More V-arrangement tread plates 32, more 32 interleaveds of V-arrangement tread plate are connected on the surface of first conveyer belt 21
It arranges, is connected with more S-shaped tread plates 33 on the surface of the second conveyer belt 25, more S-shaped tread plates 33 are evenly arranged.
Roll-over 23 includes the first side plate 34, bottom plate 35 and the second side plate 36, the first side plate 34 and bottom plate 35 in the feed back
Side be fixedly connected, the second side plate 36 is fixedly connected with the other side of bottom plate 35, in feed back at the input end of roll-over 23 be arranged
Have baffle 37, baffle 37 is fixedly connected with the first side plate 34, and the cross section of baffle 37 is L-shaped, baffle 37 and the second side plate 36 it
Between distance be greater than the distance between the first side plate 34 and the second side plate 36.
It is fixedly connected with compressed spring 38 on the baffle 37, is connected in compressed spring 38 for buffering material impact
Buffer board 39, compressed spring 38 are four, and four compressed springs 38 are separately fixed on four angles of baffle 37, and buffer board 39 is logical
Four compressed springs 38 are crossed to connect with baffle 37.
The crushing teeth group includes coarse crushing tooth row 40 and tooth row fine crushing 41, and coarse crushing tooth row 40 and tooth row fine crushing 41 are 4 rows,
Coarse crushing tooth row 40 and 41 arranged for interval of tooth row fine crushing are in rotation axis 15.
The coarse crushing tooth row 40 includes the coarse crushing tooth that multiple cross sections are in rectangle, between the adjacent coarse crushing tooth of any two between
Away from identical, tooth row 41 fine crushing includes the tooth fine crushing that multiple cross sections are in " Y " font, the spacing between the adjacent tooth fine crushing of any two
It is identical.
The rotation axis 15 is radially fixedly connected with toothed disc, and toothed disc includes disk body 42 and equal along 42 circumference of disk body
The sawtooth 43 of even distribution is fixedly connected with multiple first fingers 44 and multiple second fingers 45 on disk body 42, the first finger 44
Length is greater than the second finger 45,45 interlaced arrangement of the first finger 44 and the second finger.
The material toggling part 27 includes material toggling cylinder 46, material toggling connecting rod 47 and arc material toggling piece 48, one end of material toggling connecting rod 47
It is connect with material toggling cylinder 46, the other end of material toggling connecting rod 47 is connect with arc material toggling piece 48, and arc material toggling piece 48 is in material toggling cylinder
It is reciprocating under 46 driving.
The present embodiment is preferred forms, " a, the device for transporting objects that sandstone material is passed through to multi-stage screening crusher
It is transported on screening station；B, after Supplying Sieving Mechanism receives the sandstone material that device for transporting objects conveys, pass through level-one and sieve material
Net carries out level-one screening, and large-sized sandstone material falls into broken station, logical through the broken sandstone material of material crushing device
It crosses broken material transfer unit and is delivered to second level sieving net progress horizontal hunting sieve material, the sandstone material sifted out falls into three-level sieve material
On the net, sieve material is swung up and down by three-level sieving net；C, the sandstone material after three-level sieve material falls into feed back storehouse, falls from feed back storehouse
Under sandstone material be delivered in the broken cylinder of material crushing device that carry out circulation broken through feed back transfer unit ", as one
Complete technical solution, compared with the prior art, entire crushing circuit are easily controllable, it is only necessary to which a material crushing device can be real
The material of existing different-grain diameter is broken, is crushed material feeding material crushing device by multi-stage screening, is able to carry out continuous metaplasia
It produces, improves crushing efficiency and yield, be conducive to promote and apply.
Rotation axis is radially fixedly connected with toothed disc, and toothed disc includes disk body and the saw along the distribution of disk body even circumferential
Tooth, is fixedly connected with multiple first fingers and multiple second fingers on disk body, and the length of the first finger is greater than the second finger, and first
Finger and the second finger interlaced arrangement can increase the broken number of material within the unit time, it is broken to greatly improve material
Broken efficiency and yield.
Material toggling part includes material toggling cylinder, material toggling connecting rod and arc material toggling piece, and one end of material toggling connecting rod is connect with material toggling cylinder,
The other end of material toggling connecting rod is connect with arc material toggling piece, and arc material toggling piece is reciprocating under the driving of material toggling cylinder, is used
Arc material toggling piece, arc material toggling piece can be improved material toggling capacity under the driving of material toggling cylinder, material quickly dialled in feed back
In middle roll-over.
Claims (10)
1. a kind of sandstone material multi sieving approach method, which comprises the following steps:
A, sandstone material is transported on screening station by the device for transporting objects of multi-stage screening crusher；
B, after Supplying Sieving Mechanism receives the sandstone material that device for transporting objects conveys, pass through level-one sieving net (7) and carry out level-one
Screening, large-sized sandstone material fall into broken station, pass through broken material through the broken sandstone material of material crushing device
Transfer unit (17) is delivered to second level sieving net (8) and carries out horizontal hunting sieve material, and the sandstone material sifted out falls into three-level sieving net
(9) on, sieve material is swung up and down by three-level sieving net (9)；
C, the sandstone material after three-level sieve material falls into feed back storehouse (18), and the sandstone material fallen from feed back storehouse (18) is defeated through feed back
The interior circulation that carries out of broken cylinder (16) for sending component (19) to be delivered to material crushing device is crushed.
2. a kind of sandstone material multi sieving approach method according to claim 1, it is characterised in that: the multi-stage screening is broken
Machine includes rack (1), the device for transporting objects being arranged on the rack, Supplying Sieving Mechanism and material crushing device, material conveying
Device includes stepper motor (3), conveyor belt (4), feeding warehouse (5) and the discharging bin of bracket (2), setting on bracket (2)
(6), stepper motor (3) driving conveyor belt (4) moves back and forth between feeding warehouse (5) and discharging bin (6), feeding warehouse (5) position
In one end of conveyor belt (4), discharging bin (6) is located at the other end of conveyor belt (4), and the height of feeding warehouse (5) is higher than discharging
Storehouse (6), Supplying Sieving Mechanism are located at below discharging bin (6), and Supplying Sieving Mechanism includes level-one sieving net (7), second level sieving net
(8) it is obliquely installed with three-level sieving net (9), level-one sieving net (7) horizontal by 135 degree, the side of second level sieving net (8) connects
It is connected to the first push-and-pull cylinder (10), the other side of second level sieving net (8) is connected with the second push-and-pull cylinder (11), the first push-and-pull cylinder
(10) and the second push-and-pull cylinder (11) drives second level sieving net (8) to move horizontally, and the first push-and-pull cylinder (10) driving two
The direction of motion of grade sieving net (8) is identical as the second push-and-pull cylinder (11) the driving direction of motion of second level sieving net (8), three-level sieve
The bottom side of material net (9) is connected with the first jacking cylinder (12), and the other side is connected with the second jacking cylinder (13), the first jacking
Cylinder (12) and the second jacking cylinder (13) driving three-level sieving net (9) swing up and down, material crushing device include motor (14),
Rotation axis (15) and broken cylinder (16), crushing teeth group is fixedly connected in rotation axis (15), and rotation axis (15) passes through broken cylinder
(16) it connect with motor (14), is provided with broken material transfer unit (17) below broken cylinder (16), second level sieving net (8) installation
Below broken material transfer unit (17), three-level sieving net (9) is located at below second level sieving net (8), under three-level sieving net (9)
Side is provided with feed back storehouse (18), is connected with feed back transfer unit (19) below feed back storehouse (18), feed back transfer unit (19) and broken
The import of broken cylinder (16) connects.
3. a kind of sandstone material multi sieving approach method according to claim 2, it is characterised in that: the feed back conveying
Component (19) includes the first fixed frame (20), the first conveyer belt (21), first feed back of the first conveyer belt (21) transmission is driven to drive
Roll-over (23), the second fixed frame (24), the second conveyer belt (25), driving the second conveyer belt (25) pass in dynamic motor (22), feed back
Dynamic the second feed back driving motor (26), the material toggling for the material on the first conveyer belt (21) to be dialled in roll-over in feed back (23)
Part (27), for by the first pusher part (28) that the material in roll-over in feed back (23) is pushed on the second conveyer belt (25) and being used for
Material on second conveyer belt (25) is pushed into the second pusher part (29) in broken cylinder (16), the first feed back driving motor (22)
It is mounted on the first fixed frame (20) with the first conveyer belt (21), the second feed back driving motor (26) and the second conveyer belt (25) peace
On the second fixed frame (24), material toggling part (27) is connected to the input end of roll-over in feed back (23), and the first pusher part (28) is even
The outlet end of the roll-over (23) in feed back is connect, the second pusher part (29) is connected on the second fixed frame (24), the second pusher part
(29) close to the import of broken cylinder (16).
4. a kind of sandstone material multi sieving approach method according to claim 3, it is characterised in that: described first is fixed
The two sides of frame (20) have been respectively fixedly connected with first dust cover (30), and the cross section of the first dust cover (30) is C-shaped, and two
First dust cover (30) is arranged symmetrically along the central axis of the first conveyer belt (21), and the two sides of the second fixed frame (24) are fixed respectively
It is connected with second dust cover (31), the cross section of the second dust cover (31) is C-shaped, and two the second dust covers (31) are along second
The central axis of conveyer belt (25) is arranged symmetrically.
5. a kind of sandstone material multi sieving approach method according to claim 3, it is characterised in that: first transmission
More V-arrangement tread plates (32) are connected on the surface of band (21), more V-arrangement tread plates (32) are interval-staggered, the second transmission
More S-shaped tread plates (33) are connected on the surface of band (25), more S-shaped tread plates (33) are evenly arranged.
6. a kind of sandstone material multi sieving approach method according to claim 3, it is characterised in that: the feed back transfer
Storehouse (23) includes the first side plate (34), bottom plate (35) and the second side plate (36), and the first side plate (34) and the side of bottom plate (35) are solid
Fixed connection, the second side plate (36) are fixedly connected with the other side of bottom plate (35), are provided at the input end of roll-over (23) in feed back
Baffle (37), baffle (37) are fixedly connected with the first side plate (34), and the cross section of baffle (37) is L-shaped, baffle (37) and second
The distance between side plate (36) is greater than the distance between the first side plate (34) and the second side plate (36).
7. a kind of sandstone material multi sieving approach method according to claim 6, it is characterised in that: the baffle (37)
On be fixedly connected with compressed spring (38), the buffer board (39) for buffering material impact is connected in compressed spring (38), press
Contracting spring (38) is four, and four compressed springs (38) are separately fixed on four angles of baffle (37), and buffer board (39) passes through
Four compressed springs (38) connect with baffle (37).
8. a kind of sandstone material multi sieving approach method according to claim 2, it is characterised in that: the crushing teeth group
Including coarse crushing tooth row (40) and tooth row fine crushing (41), coarse crushing tooth row (40) and tooth row fine crushing (41) are 4 rows, coarse crushing tooth row (40)
With tooth row fine crushing (41) arranged for interval on rotation axis (15).
9. a kind of sandstone material multi sieving approach method according to claim 8, it is characterised in that: the coarse crushing tooth row
It (40) include coarse crushing tooth of multiple cross sections in rectangle, the spacing between the adjacent coarse crushing tooth of any two is identical, tooth row fine crushing
It (41) include fine crushing tooth of multiple cross sections in " Y " font, the spacing between the adjacent tooth fine crushing of any two is identical.
10. a kind of sandstone material multi sieving approach method according to claim 2, it is characterised in that: the rotation axis
(15) be radially fixedly connected with toothed disc, toothed disc includes disk body (42) and the sawtooth along the distribution of disk body (42) even circumferential
(43), multiple first fingers (44) and multiple second fingers (45), the length of the first finger (44) are fixedly connected on disk body (42)
Degree is greater than the second finger (45), the first finger (44) and the second finger (45) interlaced arrangement.
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