CN208018926U - A kind of sand sieving machine - Google Patents

A kind of sand sieving machine Download PDF

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Publication number
CN208018926U
CN208018926U CN201820030140.7U CN201820030140U CN208018926U CN 208018926 U CN208018926 U CN 208018926U CN 201820030140 U CN201820030140 U CN 201820030140U CN 208018926 U CN208018926 U CN 208018926U
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CN
China
Prior art keywords
sand
grains
screening plant
sieve
vibrating screen
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201820030140.7U
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Chinese (zh)
Inventor
钟晓红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Baoshan Jinhua Concrete Co Ltd
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Shenzhen Baoshan Jinhua Concrete Co Ltd
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Priority to CN201820030140.7U priority Critical patent/CN208018926U/en
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Abstract

The utility model discloses a kind of sand sieving machines, including:Rack, first screening plant and the second screening plant, the rack is equipped with lower hopper so that the grains of sand can enter the first screening plant by lower hopper, first screening plant is arranged in the lower section of lower hopper, first screening plant is assemblied in rack, first screening plant is used to sieve the impurity such as the stone in the grains of sand, second screening plant is arranged in the lower section of first screening plant so that the grains of sand sieved by the first screening plant enter the second screening plant and carry out regrading under gravity, the grains of sand are sieved into different ranks by the size of particle by regrading.Reduce transportational process and loading and unloading process the time it takes and cost compared to the classification sifted out with the grains of sand for realizing impurity by more sand sieving machines by using above-mentioned technical proposal, improve screening efficiency, reduce screening cost.

Description

A kind of sand sieving machine
Technical field
The utility model is related to building field, more particularly to a kind of sand sieving machine.
Background technology
Sand sieving machine is commonly used in sieving the impurity such as stone in the grains of sand, and the principle of sand sieving machine utilizes the grains of sand and compass screen surface Relative motion makes the grains of sand penetrate sieve pore, realizes and sieves the impurity such as stone in the grains of sand by sieve pore.
Existing sand sieving machine is mainly made of frame body, sieve and vibrating motor, and frame body is equipped with lower hopper, when the grains of sand pass through When lower hopper is moved on sieve, drive sieve vibration to be sieved to the grains of sand on sieve using vibrating motor.
But existing sand sieving machine is generally only suitable for carrying out preliminary screening to the impurity in the grains of sand, if necessary will The grains of sand are carried out being sieved into different grades by the size of diameter, then the sand sieving machine for assisting several sieve diameters different is needed to use, When carrying out the classification work of impurity sifted out with the grains of sand, the work of sifting out that impurity is first carried out on a sand sieving machine is needed, then The grains of sand for sifting out impurity are transported to the classification of the progress grains of sand at another sand sieving machine, transportational process and loading and unloading process need to spend Time-consuming and cost so that the efficiency of screening reduces, and the cost of screening improves, so have much room for improvement.
Utility model content
The purpose of this utility model is to provide a kind of sand sieving machine, and the stone in the grains of sand can be effectively screened out by a sand sieving machine The grains of sand are simultaneously sieved into different grades by the size of particle diameter by the impurity such as block, improve screening efficiency, reduce screening at This.
The above-mentioned technical purpose of the utility model technical scheme is that:
A kind of sand sieving machine, including:
Rack, the first screening plant and the second screening plant,
The rack be equipped with lower hopper so that the grains of sand can by lower hopper enter the first screening plant,
First screening plant is arranged in the lower section of lower hopper, and first screening plant is assemblied in rack, described First screening plant is used to sieve the impurity such as the stone in the grains of sand,
Second screening plant is arranged in the lower section of first screening plant so as to be sieved by the first screening plant The grains of sand enter the second screening plant under gravity and carry out regrading, it is by regrading that the grains of sand are big by particle It is small to be sieved into different ranks.
By using above-mentioned technical proposal, in the classification work of impurity sifted out with the grains of sand in carrying out the grains of sand, first will The grains of sand are transported to by lower hopper at the first screening plant, are sifted out the impurity such as stone in the grains of sand using the first screening plant, The grains of sand by the first screening plant screening process enter the second screening plant under gravity, pass through the second screening plant Regrading is carried out to the grains of sand, the grains of sand are sieved by the size of particle by different ranks by regrading;Compared to by more Platform sand sieving machine realize impurity the classification sifted out with the grains of sand, reduce transportational process and loading and unloading process the time it takes and at This, improves screening efficiency, reduces screening cost.
The utility model it is further, first screening plant includes:Vibrating screen and vibrating motor,
The vibrating screen includes:Screen frame and sieve,
The sieve is located at the middle part of screen frame for being sieved to the grains of sand on sieve,
The screen frame is mutually assembled with rack,
The vibrating motor is assemblied in the avris of screen frame for driving shaker vibration.
By using above-mentioned technical proposal, after the grains of sand fall under gravity into vibrating screen, pass through vibrating motor band Dynamic shaker vibration, and then drive the grains of sand vibration on vibrating screen, so that the grains of sand leak out from the sieve of vibrating screen and by sand In the impurity such as stone sieved by sieve.
The utility model it is further, the vibrating screen and ground are at predetermined angular, so that the stone sieved on vibrating screen Equal impurity are moved along vibrating screen and are discharged from vibrating screen close to the side on ground.
By using above-mentioned technical proposal, it is convenient to be moved along vibrating screen by impurity such as stones that sieve sieves and from vibration Sieve is discharged close to the one end on ground so that operating personnel improve screening without clearing up the impurity such as the stone sieved on vibrating screen The working efficiency of work.
The utility model it is further, spring is equipped at the vibrating screen and rack, to shake in vibrating motor drive Increase the Oscillation Amplitude of vibrating screen when dynamic sieve vibration.
By using above-mentioned technical proposal, when vibrating motor drives shaker vibration, spring can increase vibrating screen Oscillation Amplitude, and then the Oscillation Amplitude of the grains of sand on vibrating screen is improved, be conducive to the progress for sieving work.
The utility model it is further, second screening plant includes:Shell, material bin and sieve compartment,
The material bin be arranged in the lower section of vibrating screen so that the grains of sand sieved by vibrating screen under gravity into Enter material bin,
The sieve compartment is arranged inside housings,
The material bin is assemblied on shell and is connected with sieve compartment,
The side far from material bin offers the discharge port being connected to sieve compartment on the shell,
The sieve compartment bottom offer several sieve pores for the grains of sand carry out regrading,
It is equipped with pushing structure in the sieve compartment and is pushed to discharge port and from discharging for the grains of sand of screening will be passed through Mouth discharge.
By using above-mentioned technical proposal, the grains of sand after the screening of the first screening plant fall under gravity into Hopper, the grains of sand are entered by material bin in sieve compartment, and the bottom of sieve compartment is equipped with sieve pore, and the grain size of the grains of sand is made to be less than the hole of sieve pore The grains of sand of diameter leak out from sieve pore, realize the grains of sand being divided into different grades by the size of particle, by the grains of sand of regrading It is discharged from discharge port under the action of pushing structure.
The utility model it is further, the pushing structure includes:Rotation axis, helical blade and the first driving motor,
The rotation axis is parallel to ground setting, and the rotation axis rotary type assembles on the housing,
The helical blade is installed in the rotation axis, so that described in being driven when rotation axis rotates under the effect of external force Helical blade rotates and pushes the grains of sand to be moved to discharge port by the helical blade,
First driving motor mutually assembles that the rotation axis is driven to rotate with the shell and rotation axis.
By using above-mentioned technical proposal, after the grains of sand enter sieve compartment by material bin, pass through the first driving motor band Turn moving axis rotates, and then drives helical blade rotation and push the grains of sand to be moved to discharge port by helical blade;Helical blade Stirring action can be played to the grains of sand in sieve compartment, be conducive to sieve more thorough by the grains of sand in sieve compartment when rotation.
The utility model it is further, the lower section of the sieve compartment is equipped with conveying device for will leak out from sieve pore The grains of sand are delivered to outside shell.
By using above-mentioned technical proposal, the grains of sand leaked out from sieve pore are delivered to by conveying device outside shell, convenient The grains of sand of screening are further processed in staff.
The utility model it is further, the conveying device includes:Conveyer belt, belt wheel and the second driving motor,
The conveyer belt is arranged in the lower section of sieve compartment,
The conveyer belt is mutually assembled with the belt wheel,
Second driving motor and the belt wheel, which mutually assemble, to be rotated for driving pulley and described in being driven by belt wheel Conveyer belt moves.
By using above-mentioned technical proposal, the grains of sand of leakage are fallen to defeated under gravity from the sieve pore of sieve compartment It send and takes, rotated by the second driving motor band movable belt pulley, and then driving conveying belt moves, pass through the movement realization pair of conveyer belt The conveying of the grains of sand on conveyer belt.
In conclusion the utility model has the advantages that:
1. the grains of sand enter the first screening plant from lower hopper carries out first time screening, miscellaneous to sift out stone in sand etc. Matter, the grains of sand for completing screening for the first time enter the second screening plant under gravity, and the second screening plant carries out the grains of sand The grains of sand are sieved into different ranks by the size of particle by regrading by the second screening plant;
The first time of the grains of sand is sieved 2. being realized by the cooperation of vibrating screen and vibrating motor, passes through the sieve of sieve compartment bottom Hole carries out second to the grains of sand and sieves, by the grains of sand in helical blade stirrer sieve compartment to promote screening effect and will complete to sieve The grains of sand divided push discharge port to.
Description of the drawings
Fig. 1 is the overall structure diagram of sand sieving machine in the utility model embodiment;
Fig. 2 is the enlarged drawing in Fig. 1 at A in the utility model embodiment;
Fig. 3 is the internal structure schematic diagram of sand sieving machine in the utility model embodiment.
Reference numeral:1, rack;11, lower hopper;2, the first screening plant;21, vibrating screen;211, sieve;212, screen frame; 22, vibrating motor;3, the second screening plant;31, shell;32, material bin;33, sieve compartment;4, pushing structure;41, rotation axis; 42, helical blade;43, the first driving motor;5, conveying device;51, the second driving motor;52, conveyer belt;53, belt wheel;6, bullet Spring;7, waste material box;8, discharge port;9, sieve pore.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of sand sieving machine, including:Rack 1, the first screening plant 2 and the second screening plant 3.In rack 1 It is installed with lower hopper 11, the first screening plant 2 is arranged in the lower section of lower hopper 11, and the grains of sand can enter the first sieve by lower hopper 11 Separating device 2, the first screening plant 2 are used to sieve the impurity such as the stone in the grains of sand, and the setting of the second screening plant 3 is in the first screening dress The lower section for setting 2, the grains of sand sieved by the first screening plant 2 carry out into the second screening plant 3 secondary under gravity The grains of sand are sieved into different ranks by the size of particle by screening by regrading.It is miscellaneous compared to being realized by more sand sieving machines The classification of matter sifted out with the grains of sand reduces transportational process and loading and unloading process the time it takes and cost, improves screening Efficiency reduces screening cost.
As depicted in figs. 1 and 2, the first screening plant 2 includes:Vibrating screen 21 and vibrating motor 22.Vibrating screen 21 includes:Sieve Frame 212 and sieve 211, sieve 211 open the middle part for being located at screen frame 212, and screen frame 212 is assembled with 1 phase of rack, and vibrating motor 22 assembles In the avris of screen frame 212, vibrating motor 22 is for driving vibrating screen 21 to vibrate.It is installed with bullet at vibrating screen 21 and 1 assembly of rack Spring 6, spring 6 are used to increase when vibrating motor 22 drives vibrating screen 21 to vibrate the Oscillation Amplitude of vibrating screen 21.It is being sieved It drives vibrating screen 21 to vibrate by vibrating motor 22 when work, makes the grains of sand on vibrating screen 21 from the sieve 211 of vibrating screen 21 It leaks out, the impurity such as stone in sand is sieved by sieve 211.
As shown in Figure 1, vibrating screen 21 and ground is at predetermined angular, so that the impurity such as stone sieved on vibrating screen 21 can edge Vibrating screen 21 is slided and is discharged from vibrating screen 21 close to the side on ground, and vibrating screen 21 is equipped with waste material box 7 close to the one end on ground, Waste material box 7 is for collecting the impurity such as the stone being discharged from vibrating screen 21.
As shown in figure 3, the second screening plant 3 includes:Shell 31, material bin 32 and sieve compartment 33.The setting of material bin 32 exists The lower section of vibrating screen 21, so as to enter material bin 32, sieve compartment 33 under gravity by the grains of sand that vibrating screen 21 sieves It is arranged inside shell 31, material bin 32 is installed on shell 31, and material bin 32 is connected with sieve compartment 33, separate on shell 31 The side of material bin 32 offers discharge port 8, and discharge port 8 is connected to sieve compartment 33, and 33 bottom of sieve compartment offers several sieve pores 9, sieve pore 9 is used to carry out regrading to the grains of sand, pushing structure 4 is equipped in sieve compartment 33, pushing structure 4 is used for will be through sieving The grains of sand divided are pushed to discharge port 8 and are discharged from discharge port 8.
As shown in figure 3, pushing structure 4 includes:Rotation axis 41, helical blade 42 and the first driving motor 43.Rotation axis 41 It is parallel to ground setting, 41 rotary type of rotation axis is assemblied on the shell 31, and helical blade 42 is installed in rotation axis 41, with The helical blade 42 is driven to rotate when rotation axis 41 being made to rotate under the effect of external force, helical blade 42 pushes the grains of sand when rotating It is moved to discharge port 8, stirring action is played to the grains of sand in sieve compartment 33 when helical blade 42 rotates, passes through stirring for helical blade 42 Mixing makes the grains of sand in sieve compartment 33 sieve more thorough.First driving motor 43 is assembled with shell 31 and 41 phase of rotation axis, and first Driving motor 43 is for driving rotation axis 41 to rotate.After the grains of sand enter sieve compartment 33 by material bin 32, pass through the first driving Motor 43 drives rotation axis 41 to rotate, and then helical blade 42 is driven to rotate, by the helical blade 42 of rotation push the grains of sand to Discharge port 8 moves, and makes to be discharged from discharge port 8 by sieving the grains of sand of work.
As shown in figure 3, the lower section of sieve compartment 33 is equipped with conveying device 5, the grains of sand that conveying device 5 will leak out from sieve pore 9 It is delivered to outside shell 31.Conveying device 5 includes:Conveyer belt 52, belt wheel 53 and the second driving motor 51.The setting of conveyer belt 52 is being sieved The lower section of locellus 33, conveyer belt 52 are embedded on belt wheel 53, and the second driving motor 51 is assembled with 53 phase of belt wheel, the second driving motor 51 rotate for driving pulley 53 and are moved by 53 driving conveying belt 52 of belt wheel.The sand leaked out from the sieve pore 9 of sieve compartment 33 Grain is fallen under gravity on conveyer belt 52, is rotated with movable belt pulley 53 by the second driving motor 51, and then drive defeated It send band 52 to move, the conveying to the grains of sand on conveyer belt 52 is realized by the movement of conveyer belt 52.
The course of work is summarized:The sand for carrying out screening work falls into vibrating screen 21 from lower hopper 11, by vibrating electricity Machine 22 drives vibrating screen 21 to vibrate, to carry out first time screening, the impurity such as stone screened out edge to the sand on vibrating screen 21 Vibrating screen 21 slides and enters waste material box 7, and by first time, the grains of sand of screening are fallen under gravity in material bin 32, The grains of sand enter sieve compartment 33 by material bin 32 and carry out regrading by the sieve pore 9 of 33 bottom of sieve compartment, pass through rotation Helical blade 42 is stirred to the grains of sand in sieve compartment 33 so that the grains of sand in sieve compartment 33 sieve more thorough, sieve compartment 33 The middle grains of sand for completing screening are discharged under the promotion of helical blade 42 from discharge port 8, are leaked out from the sieve pore 9 of 33 bottom of sieve compartment The grains of sand fall on conveyer belt 52 and be delivered to outside shell 31 by conveyer belt 52.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but As long as all being protected by Patent Law in the right of the utility model.

Claims (8)

1. a kind of sand sieving machine, which is characterized in that including:
Rack(1), the first screening plant(2)With the second screening plant(3),
The rack(1)It is equipped with lower hopper(11)So that the grains of sand can pass through lower hopper(11)Into the first screening plant(2),
First screening plant(2)It is arranged in lower hopper(11)Lower section, first screening plant(2)It is assemblied in rack (1)On, first screening plant(2)For sieving the impurity such as the stone in the grains of sand,
Second screening plant(3)It is arranged in first screening plant(2)Lower section so that by the first screening plant(2) The grains of sand of screening enter the second screening plant under gravity(3)Regrading is carried out, is pressed the grains of sand by regrading The size of particle is sieved into different ranks.
2. sand sieving machine according to claim 1, which is characterized in that
First screening plant(2)Including:Vibrating screen(21)And vibrating motor(22),
The vibrating screen(21)Including:Screen frame(212)And sieve(211),
The sieve(211)It opens and is located at screen frame(212)Middle part for sieve(211)On the grains of sand sieved,
The screen frame(212)With rack(1)Mutually assemble,
The vibrating motor(22)It is assemblied in screen frame(212)Avris for drive vibrating screen(21)Vibration.
3. sand sieving machine according to claim 2, which is characterized in that the vibrating screen(21)With ground at predetermined angular, with Make vibrating screen(21)The impurity such as the stone of upper screening are along vibrating screen(21)It moves and from vibrating screen(21)It arranges side close to ground Go out.
4. sand sieving machine according to claim 3, which is characterized in that the vibrating screen(21)With rack(1)It is equipped at assembly Spring(6), in vibrating motor(22)Drive vibrating screen(21)Increase vibrating screen when vibration(21)Oscillation Amplitude.
5. sand sieving machine according to claim 4, which is characterized in that second screening plant(3)Including:Shell(31), Material bin(32)And sieve compartment(33),
The material bin(32)It is arranged in vibrating screen(21)Lower section so that by vibrating screen(21)The grains of sand of screening are in gravity Effect is lower to enter material bin(32),
The sieve compartment(33)It is arranged in shell(31)Inside,
The material bin(32)It is assemblied in shell(31)Upper and and sieve compartment(33)It is connected,
The shell(31)Upper separate material bin(32)Side offer and sieve compartment(33)The discharge port of connection(8),
The sieve compartment(33)Bottom offers several sieve pores(9)For carrying out regrading to the grains of sand,
The sieve compartment(33)Inside it is equipped with pushing structure(4)For the grains of sand of screening will be passed through to discharge port(8)It pushes simultaneously From discharge port(8)Discharge.
6. sand sieving machine according to claim 5, which is characterized in that the pushing structure(4)Including:Rotation axis(41), spiral shell Vane piece(42)With the first driving motor(43),
The rotation axis(41)It is parallel to ground setting, the rotation axis(41)Rotary type is assemblied in the shell(31)On,
The helical blade(42)It is installed in the rotation axis(41)On, so that rotation axis(41)When rotating under the effect of external force Drive the helical blade(42)It rotates and passes through the helical blade(42)Push the grains of sand to discharge port(8)Movement,
First driving motor(43)With the shell(31)And rotation axis(41)Mutually assembly is for the driving rotation axis (41)Rotation.
7. sand sieving machine according to claim 6, which is characterized in that the sieve compartment(33)Lower section be equipped with conveying device (5)For will be from sieve pore(9)The grains of sand that place leaks out are delivered to shell(31)Outside.
8. sand sieving machine according to claim 7, which is characterized in that the conveying device(5)Including:Conveyer belt(52), band Wheel(53)With the second driving motor(51),
The conveyer belt(52)It is arranged in sieve compartment(33)Lower section,
The conveyer belt(52)With the belt wheel(53)Mutually assemble,
Second driving motor(51)With the belt wheel(53)Mutually assembly is for driving pulley(53)It rotates and passes through belt wheel (53)Drive the conveyer belt(52)Movement.
CN201820030140.7U 2018-01-09 2018-01-09 A kind of sand sieving machine Expired - Fee Related CN208018926U (en)

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CN201820030140.7U CN208018926U (en) 2018-01-09 2018-01-09 A kind of sand sieving machine

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Application Number Priority Date Filing Date Title
CN201820030140.7U CN208018926U (en) 2018-01-09 2018-01-09 A kind of sand sieving machine

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Publication Number Publication Date
CN208018926U true CN208018926U (en) 2018-10-30

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109351478A (en) * 2018-12-04 2019-02-19 黄河水利委员会河南黄河河务局 River sand Panning methods and device
CN111790596A (en) * 2020-07-16 2020-10-20 中铁五局集团路桥工程有限责任公司 Stone granularity screening device and process flow
CN113828511A (en) * 2021-09-26 2021-12-24 中冶南方都市环保工程技术股份有限公司 Device for vibrating and screening polluted soil

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109351478A (en) * 2018-12-04 2019-02-19 黄河水利委员会河南黄河河务局 River sand Panning methods and device
CN111790596A (en) * 2020-07-16 2020-10-20 中铁五局集团路桥工程有限责任公司 Stone granularity screening device and process flow
CN113828511A (en) * 2021-09-26 2021-12-24 中冶南方都市环保工程技术股份有限公司 Device for vibrating and screening polluted soil

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Granted publication date: 20181030

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