CN113275236A

CN113275236A - Fine husky splitter of coarse sand

Info

Publication number: CN113275236A
Application number: CN202110619714.0A
Authority: CN
Inventors: 陈科帆
Original assignee: Individual
Current assignee: Rizhao Jiangang Concrete Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-08-20
Anticipated expiration: 2041-06-03
Also published as: CN113275236B

Abstract

The invention relates to a separating device, in particular to a coarse sand and fine sand separating device. The invention provides the coarse sand and fine sand separating equipment which can quickly shake and separate coarse sand and fine sand, can perform blanking on the sand at intervals, and can sequentially collect the coarse sand and the fine sand, thereby effectively reducing the labor intensity of workers. A coarse sand and fine sand separating device comprises: the motor is arranged at the top of the bottom plate; the top of the bottom plate and an output shaft of the motor are provided with shaking mechanisms; the blanking mechanism is arranged at the top of the bottom plate, and the shaking mechanism is matched with the blanking mechanism. The invention is provided with the shaking mechanism, and the shaking mechanism is matched with the blanking mechanism, so that the sand can be blanked at intervals, and simultaneously, the coarse sand and the fine sand can be quickly separated; the shaking mechanism is matched with the collecting mechanism, so that preliminary filtering of fine sand can be realized; the material shaking mechanism and the material loading mechanism can realize the work of screening coarse sand and collecting fine sand in a centralized way.

Description

Fine husky splitter of coarse sand

Technical Field

The invention relates to a separating device, in particular to a coarse sand and fine sand separating device.

Background

The sand comprises mineral and tiny rock fragments, needs to separate the sand among the industrial production's the in-process, and the tradition mode is generally that the workman uses the shovel to separate the sand through the gauze, and the workman is raised the sand to the gauze on simultaneously need expend great strength, and the workman need expend longer time just can collect coarse sand and fine sand moreover.

Patent application number CN106012759A discloses a sand separator for highway construction, including base and control gear motor etc, the base top has set gradually the left side frame from a left side to the right side, collecting box I and right side frame, left side frame right side upper portion is provided with the cylinder, control gear motor clockwise, drive I clockwise turning of runner, pour into the sand that needs the separation, when stirring reaches a certain degree, control gear motor counter-clockwise turning, drive I counter-clockwise turning of runner, when sand clearing hole II falls to the filter screen, the sand is separated by the filter screen, the invention is simple in structure, and convenient for operation, sand separator has been realized, but the operation process does not realize the interval unloading of sand better, the work efficiency of sand separation has been reduced.

Therefore, the need to design a coarse sand and fine sand separating device which can shake and separate coarse sand and fine sand quickly, and can feed sand at intervals and collect coarse sand and fine sand in sequence, thereby effectively reducing the labor intensity of workers is needed.

Disclosure of Invention

In order to overcome the defects that a worker generally uses a shovel to separate sand through a gauze in the traditional mode, the worker needs to consume large strength to lift the sand onto the gauze, and the worker needs to consume long time to collect coarse sand and fine sand, the invention has the technical problems that: the utility model provides a can shake the separation to coarse sand fine sand fast, can be to the interval unloading of sand simultaneously, can collect coarse sand fine sand in proper order moreover to effectual workman intensity of labour's coarse sand fine sand splitter.

The technical scheme is as follows: a coarse sand and fine sand separating device comprises:

the motor is arranged at the top of the bottom plate;

the top of the bottom plate and an output shaft of the motor are provided with shaking mechanisms;

the blanking mechanism is arranged at the top of the bottom plate, and the shaking mechanism is matched with the blanking mechanism.

Preferably, the shaking mechanism includes:

the top of the bottom plate is symmetrically provided with first supporting columns;

the upper parts of the two first supporting columns are rotatably provided with first rotating shafts which are fixedly connected with the output shaft of the motor;

the top of the bottom plate is provided with a second supporting column;

the top of the bottom plate is provided with a fixing column;

the second rotating shaft is rotatably connected between the upper part of the second supporting column and the upper part of the fixed column;

the top of the bottom plate is provided with a first sliding rail, and the first rotating shaft is rotatably connected with the lower part of the first sliding rail;

the conveying belt is connected between the first rotating shaft and the second rotating shaft;

the second rotating shaft is provided with a swinging block, the lower end of the swinging block is rotatably connected with the first rotating shaft, and the upper part of the swinging block is slidably connected with the upper part of the first sliding rail;

the top of the first sliding rail is provided with a first sliding block in a sliding manner, and the first sliding block is fixedly connected with the swinging block;

the first sliding block is provided with a first filtering frame which is connected with the first sliding rail in a sliding manner;

the lower part of the first filter frame is provided with a first funnel.

Preferably, the blanking mechanism comprises:

the top of the bottom plate is symmetrically provided with first supporting rods;

the second funnel is connected between the upper parts of the two first supporting rods;

the upper part of the first filter frame is provided with a first fixing block;

the rack is arranged on the second fixed block and is connected with the first sliding rail in a sliding manner;

the upper part of the second funnel is rotatably provided with a third rotating shaft;

the third rotating shaft is provided with a one-way gear which is meshed with the rack;

the spring is sleeved on the third rotating shaft, and two ends of the spring are respectively connected to the third rotating shaft and the one-way gear;

the spring is provided with a first baffle plate, and the first baffle plate is in contact fit with the second funnel.

Preferably, the device further comprises a pushing mechanism, wherein the pushing mechanism comprises:

the top of the bottom plate is symmetrically provided with second supporting rods;

the blanking frame is connected between the upper parts of the two second supporting rods;

the top of the bottom plate is symmetrically provided with third supporting rods;

the upper parts of the two third supporting rods are connected with a striker plate;

the material loading frame is arranged on the material baffle plate;

the upper part of the material baffle plate is provided with a second baffle plate in a sliding manner, and the second baffle plate is in contact fit with the bottom of the material loading frame;

the top of the bottom plate is provided with a second sliding rail;

and the upper part of the second push rod is connected with the striker plate in a sliding manner.

Preferably, still include and shake material mechanism, shake material mechanism including:

the first sliding block is provided with a first fixed rod;

the second fixing rod is provided with a third filtering frame;

the second filter frame is placed on the third filter frame;

the bolts are arranged on the third filter frame in a sliding mode at intervals, the number of the bolts is four, and the four bolts are matched with the second filter frame in a contact mode.

Preferably, the device further comprises a charging mechanism, wherein the charging mechanism comprises:

the supporting blocks are arranged at the tops of the bottom plates, and the number of the supporting blocks is four;

the top parts of the four supporting blocks are connected with a fixed frame;

the upper side and the lower side of the fixed frame are both provided with the collecting frames in a sliding manner;

the upper side and the lower side of the inner wall of the fixing frame are respectively provided with a third sliding rail, and the number of the third sliding rails is four;

the four third sliding rails are provided with four second sliding blocks, and the four second sliding blocks are fixedly connected with the two collecting frames;

the handle, two are collected the frame and all are equipped with the handle in the middle of.

Preferably, the device further comprises a collecting mechanism, wherein the collecting mechanism comprises:

the top of the bottom plate is provided with a fourth slide rail;

the upper parts of the fourth sliding rails are provided with eight third sliding blocks at intervals in a sliding manner;

the lower parts of the two third sliding blocks which are close to each other are rotatably connected with four pulleys, and the four pulleys are in contact fit with the fourth sliding rail;

and the receiving frame is connected between the upper parts of the eight third sliding blocks and matched with the first hopper.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention is provided with the shaking mechanism, and the shaking mechanism is matched with the blanking mechanism, so that the sand can be blanked at intervals, and simultaneously, the coarse sand and the fine sand can be quickly separated;

2. the shaking mechanism is matched with the collecting mechanism, and can preliminarily filter the fine sand according to the use requirement;

3. the material shaking mechanism and the material loading mechanism can realize the work of screening coarse sand and collecting fine sand in a centralized way.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the shaking mechanism of the present invention.

Fig. 3 is a schematic perspective view of the blanking mechanism of the present invention.

Fig. 4 is an enlarged schematic perspective view of part a of the present invention.

Fig. 5 is a schematic perspective view of the pushing mechanism of the present invention.

Fig. 6 is a schematic perspective view of the material shaking mechanism of the present invention.

Fig. 7 is a perspective view of the charging mechanism of the present invention.

Fig. 8 is a schematic perspective view of the collecting mechanism of the present invention.

Labeled as: 1-a bottom plate, 2-a motor, 3-a shaking mechanism, 31-a first support column, 32-a first rotating shaft, 33-a conveyor belt, 34-a second support column, 35-a second rotating shaft, 36-a fixed column, 37-a swinging block, 38-a first sliding rail, 39-a first sliding block, 310-a first filtering frame, 311-a first funnel, 4-a blanking mechanism, 41-a first support rod, 42-a second funnel, 43-a first baffle, 44-a second fixed block, 45-a rack, 46-a third rotating shaft, 47-a one-way gear, 48-a spring, 5-a pushing mechanism, 51-a second support rod, 52-a blanking frame, 53-a third support rod, 54-a baffle plate, 55-a loading frame and 56-a second baffle plate, 57-a second push rod, 58-a second slide rail, 6-a material shaking mechanism, 61-a second fixed rod, 62-a second filter frame, 63-a third filter frame, 64-a bolt, 7-a loading mechanism, 71-a fixed frame, 72-a collection frame, 73-a third slide rail, 74-a second slide block, 75-a handle, 76-a supporting block, 8-a collection mechanism, 81-a fourth slide rail, 82-a collection frame, 83-a third slide block and 84-a pulley.

Detailed Description

The invention is described in detail below with reference to the figures and the embodiments.

Example 1

The utility model provides a coarse sand fine sand splitter, as shown in figure 1, including bottom plate 1, motor 2, shake mechanism 3 and unloading mechanism 4, motor 2 is installed to bottom plate 1 top rear side, installs shake mechanism 3 on bottom plate 1 top rear side and the output shaft of motor 2, and unloading mechanism 4 is installed on bottom plate 1 top right side, and shake mechanism 3 and the cooperation of unloading mechanism 4.

Workers firstly pour sand into the blanking mechanism 4, then the workers are required to start the motor 2 to rotate, the output shaft of the motor 2 rotates to drive the shaking mechanism 3 to shake, the blanking mechanism 4 rotates downwards along with the shaking mechanism, the blanking mechanism 4 is stretched, the blanking mechanism 4 rotates downwards to drop a proper amount of sand into the shaking mechanism 3, the shaking mechanism 3 shakes and separates coarse sand and fine sand, the blanking mechanism 4 rotates upwards to block the sand, the blanking mechanism 4 resets, the sand in the blanking mechanism 4 cannot temporarily fall into the shaking mechanism 3, the fine sand falls onto the bottom plate 1, the coarse sand stays on the shaking mechanism 3, then the workers are required to sequentially collect the fine sand on the bottom plate 1 and the coarse sand on the shaking mechanism 3, when the workers do not need to temporarily carry out blanking on the sand and separate the coarse sand and the fine sand, the workers are required to close the motor 2, and then the shaking mechanism 3 stops shaking, and then unloading mechanism 4 stops to rotate downwards, and unloading mechanism 4 stops to rotate downwards and can not fall sand to shake mechanism 3 temporarily, and shake mechanism 3 can not shake the separation to coarse sand fine sand temporarily, if the workman still need to carry out the unloading to the sand and when separating coarse sand fine sand, the workman repeats above operation once more, and this equipment can be sustainable to carry out the unloading to the sand and carry out the separation work with coarse sand fine sand.

Example 2

In a preferred embodiment of the present invention, as shown in fig. 2, the shaking mechanism 3 comprises a first supporting column 31, a first rotating shaft 32, a conveyor belt 33, a second supporting column 34, a second rotating shaft 35, a fixed column 36, a swinging block 37, a first sliding rail 38, a first sliding block 39, a first filtering frame 310 and a first funnel 311, the first supporting column 31 is symmetrically arranged on the left side of the top of the bottom plate 1, the first rotating shaft 32 is rotatably arranged on the upper portion of the two first supporting columns 31, the rear side of the first rotating shaft 32 is fixedly connected with the output shaft of the motor 2, the second supporting column 34 is arranged on the left side of the top of the bottom plate 1, the fixed column 36 is arranged on the left side of the top of the bottom plate 1, the second rotating shaft 35 is rotatably connected between the upper portion of the second supporting column 34 and the upper portion of the fixed column 36, the first sliding rail 38 is arranged on the left side of the top of the bottom plate 1, the first rotating shaft 32 is rotatably connected with the lower portion of the first sliding rail 38, the conveyor belt 33 is connected between the rear side of the first rotating shaft 32 and the rear side of the second rotating shaft 35, the front side of the second rotating shaft 35 is provided with a swinging block 37, the lower end of the swinging block 37 is rotatably connected with the front side of the first rotating shaft 32, the upper part of the swinging block 37 is slidably connected with the upper part of a first slide rail 38, the top of the first slide rail 38 is slidably provided with a first slide block 39, the first slide block 39 is fixedly connected with the swinging block 37, the right part of the first slide block 39 is provided with a first filter frame 310, the first filter frame 310 is slidably connected with the first slide rail 38, and the lower part of the first filter frame 310 is provided with a first funnel 311.

A worker firstly pours sand into the blanking mechanism 4, then the worker needs to start the motor 2 to rotate, the rotation of the output shaft of the motor 2 can drive the first rotating shaft 32 to rotate in the first supporting column 31, the rotation of the first rotating shaft 32 can drive the conveyor belt 33 to rotate, the rotation of the conveyor belt 33 can drive the second rotating shaft 35 to rotate in the second supporting column 34, the rotation of the first rotating shaft 32 and the rotation of the second rotating shaft 35 can drive the swinging block 37 to swing, the swinging block 37 swings to drive the first sliding block 39 to slide rightwards in the first sliding rail 38, and then drive the first filter frame 310 to move rightwards, the rightward movement of the first filter frame 310 can drive the first funnel 311 to move rightwards, and then the blanking mechanism 4 can also rotate downwards, the blanking mechanism 4 is stretched, the blanking mechanism 4 rotates downwards to drop sand to the first filter frame 310 for shaking separation, the resetting function of the blanking mechanism 4 can temporarily not drop the sand into the shaking mechanism 3, the fine sand can fall to bottom plate 1 through first funnel 311 on, the coarse sand will be stayed on first filter frame 310, need the workman to collect the fine sand on bottom plate 1 and the coarse sand on first filter frame 310 in proper order afterwards, it can drive first slider 39 and slide to left in first slide rail 38 and reset to continue the swing when swing piece 37, and then can drive first filter frame 310 and move left and reset, first filter frame 310 resets and can drive first funnel 311 and move left and reset, unloading mechanism 4 upwards rotates simultaneously and resets, reach the purpose of sand shake separation.

Example 3

In a preferred embodiment of the present invention, as shown in fig. 1 and 3-8, the blanking mechanism 4 includes a first supporting rod 41, a second funnel 42, a first baffle 43, a second fixing block 44, a rack 45, a third rotating shaft 46, a one-way gear 47 and a spring 48, the first supporting rod 41 is symmetrically disposed on the right side of the top of the bottom plate 1, the second funnel 42 is connected between the upper portions of the two first supporting rods 41, the second fixing block 44 is disposed on the upper portion of the first filtering frame 310, the rack 45 is disposed on the second fixing block 44, the rack 45 is slidably connected to the first sliding rail 38, the third rotating shaft 46 is rotatably disposed on the right side of the upper portion of the second funnel 42, the one-way gear 47 is disposed on the rear side of the third rotating shaft 46, the one-way gear 47 is engaged with the rack 45, the spring 48 is sleeved on the third rotating shaft 46, both ends of the spring 48 are respectively connected to the third rotating shaft 46 and the one-way gear 47, the first baffle 43 is disposed on the spring 48, the first baffle 43 is in contact engagement with the second funnel 42.

Workers are required to firstly pour sand into the second hopper 42, when the first filter frame 310 slides rightwards, the rack 45 is driven to move rightwards, the rack 45 is meshed with the one-way gear 47, the one-way gear 47 rotates to drive the third rotating shaft 46 to rotate, the third rotating shaft 46 rotates to enable the spring 48 to be stretched, the spring 48 is stretched to drive the first baffle 43 to rotate downwards, the first baffle 43 rotates downwards and cannot temporarily block the second hopper 42, a proper amount of sand in the second hopper 42 falls onto the first filter frame 310 to be shaken and separated, when the first filter frame 310 slides leftwards and resets, the rack 45 moves leftwards and resets, the rack 45 is meshed with the one-way gear 47, the one-way gear 47 rotates to drive the third rotating shaft 46 to rotate, the spring 48 resets to drive the first baffle 43 to rotate upwards and reset, the first baffle 43 can block the second hopper 42, and then the sand in the second hopper 42 cannot temporarily fall into the first filter frame 310, the fine sand falls to the bottom plate 1 through the first hopper 311, the coarse sand stays on the first filtering frame 310, and then workers are required to collect the fine sand on the bottom plate 1 and the coarse sand on the first filtering frame 310 in sequence, so that the purpose of interval blanking of the sand is achieved.

The material pushing device comprises a material pushing mechanism 5, wherein the material pushing mechanism 5 comprises a second supporting rod 51, a blanking frame 52, a third supporting rod 53, a material blocking plate 54, a material loading frame 55, a second baffle plate 56, a second push rod 57 and a second slide rail 58, the second supporting rod 51 is symmetrically arranged on the front side of the top of the bottom plate 1, the blanking frame 52 is connected between the upper portions of the two second supporting rods 51, the third supporting rod 53 is symmetrically arranged on the front side of the top of the bottom plate 1, the material blocking plate 54 is connected between the upper portions of the two third supporting rods 53, the material loading frame 55 is arranged on the material blocking plate 54, the second baffle plate 56 is slidably arranged on the upper portion of the material blocking plate 54, the second baffle plate 56 is in contact fit with the bottom of the material loading frame 55, the second slide rail 58 is arranged on the front side of the top of the bottom plate 1, the second push rod 57 is slidably arranged on the upper portion of the second slide rail 58, and the material blocking plate 54 is slidably connected.

A worker firstly puts a plurality of filter frames into the loading frame 55, when coarse sand in the first filter frame 310 is full, the worker is required to pull the second baffle 56 to move forwards, when the gap between the loading frame 55 and the second baffle 56 is small, the filter frame at the bottom in the loading frame 55 falls on the baffle plate 54, then the worker pushes the second push rod 57 to slide backwards on the second slide rail 58, when the second push rod 57 is contacted with the filter frame, the second push rod 57 can slide the filter frame onto the bottom plate 1 through the blanking frame 52, the worker is required to stir the coarse sand in the first filter frame 310, the coarse sand in the first filter frame 310 can fall on the filter frame for re-separation, fine sand can fall on the bottom plate 1, when the worker is temporarily not required to re-separate the coarse sand, the worker is required to push the second baffle 56 to reset, and simultaneously pushes the second push rod 57 to slide forwards for re-reset, the second push rod 57 temporarily cannot slide the filter frame onto the bottom plate 1, then, workers are required to sequentially collect the fine sand on the bottom plate 1 and the coarse sand in the filter frame, so that the aim of quickly separating the coarse sand is fulfilled.

Still including shaking material mechanism 6, shake material mechanism 6 including second dead lever 61, second filter frame 62, third filter frame 63 and bolt 64, first slider 39 front portion is equipped with second dead lever 61, second dead lever 61 right-hand member is equipped with third filter frame 63, second filter frame 62 has been placed on the third filter frame 63, third filter frame 63 is last all to be slided the formula interval and is equipped with bolt 64, the quantity of bolt 64 is four, four bolts 64 all with second filter frame 62 contact cooperation.

When the first sliding block 39 slides rightwards, the second fixing rod 61 slides rightwards, the third filter frame 63 slides rightwards, the bolt 64 and the second filter frame 62 are driven to move rightwards, then a worker is required to manually dial the full coarse sand in the first filter frame 310 to fall to the second filter frame 62 for screening, the fine sand falls to the bottom plate 1, when the coarse sand on the second filter frame 62 is full, the worker is required to pull up the bolt 64, when the bolt 64 is temporarily not in contact with the second filter frame 62, the worker is required to manually take out the second filter frame 62, the worker collects the coarse sand in the second filter frame 62, at the moment, the second push rod 57 slides the filter frame to the third filter frame 63 through the blanking frame 52, then the worker is required to manually insert the bolt 64 for resetting, and when the first sliding block 39 resets, the second fixing rod 61 slides leftwards for resetting, the second fixing rod 61 resets and can drive the third filter frame 63 to reset, and the third filter frame 63 resets and can drive the bolt 64 and the second filter frame 62 to move leftwards and reset, and then the fine sand on the bottom plate 1 needs to be collected by a worker, so that the purpose of screening coarse sand is achieved.

Still including the charging mechanism 7, the charging mechanism 7 is including fixed frame 71, collect frame 72, third slide rail 73, second slider 74, handle 75 and supporting shoe 76, bottom plate 1 top right side all is equipped with supporting shoe 76, the quantity of supporting shoe 76 is four, be connected with fixed frame 71 between the four supporting shoe 76 tops, both sides are all slided type and are equipped with collection frame 72 about fixed frame 71, both sides all are equipped with third slide rail 73 about fixed frame 71 inner wall, the quantity of third slide rail 73 is four, all be equipped with second slider 74 on four third slide rails 73, the quantity of second slider 74 is four, four second slider 74 and two collection frame 72 fixed connection, two collect and all be equipped with handle 75 in the middle of the frame 72 front portion.

When coarse sand is screened, fine sand falls into the collection frame 72 for collection, and when the collection frame 72 is full of fine sand, a worker is required to hold the handle 75 and then pull the handle 75 to slide forwards, the forward sliding of the handle 75 drives the collecting frame 72 to slide forwards, the forward sliding of the collecting frame 72 drives the second sliding block 74 to slide forwards in the third sliding rail 73, and then the worker is required to collect fine sand in the collecting frame 72, meanwhile, the fine sand falls into the collecting frame 72 below for collection, and after the fine sand workers in the collecting frame 72 finish collecting, the worker is required to hold the handle 75, then the worker is required to push the handle 75 to slide backwards for resetting, the handle 75 resets to drive the collecting frame 72 to reset, the collecting frame 72 resets to drive the second sliding block 74 to slide backwards for resetting, and the collecting frame 72 resets to collect fine sand, so that the purpose of collecting the fine sand at intervals is achieved.

Still including collecting mechanism 8, collect mechanism 8 including fourth slide rail 81, material frame 82 receives, third slider 83 and pulley 84, 1 top rear side of bottom plate is equipped with fourth slide rail 81, the equal slidingtype interval in fourth slide rail 81 upper portion is equipped with third slider 83, the quantity of third slider 83 is eight, two third slider 83 lower part rotary types that are close to each other are connected with pulley 84, pulley 84's quantity is four, four pulley 84 all with fourth slide rail 81 contact cooperation, be connected with material frame 82 between eight third slider 83 upper portions, material frame 82 receives with the cooperation of first funnel 311.

Fully consider that the workman is manual to collect fine sand on bottom plate 1 more loaded down with trivial details, when first funnel 311 slides rightwards, need the manual work of workman to promote material receiving frame 82 and slide rightwards, material receiving frame 82 slides rightwards can drive third slider 83 and slide rightwards in fourth slide rail 81, third slider 83 slides rightwards can drive pulley 84 and rotate, material receiving frame 82 slides rightwards can collect the fine sand in first funnel 311, when first funnel 311 slides leftwards and resets, it resets to need the manual work of workman to promote material receiving frame 82 slides leftwards, material receiving frame 82 resets and can drive third slider 83 and reset, third slider 83 slides leftwards and resets and can drive pulley 84 and rotate, material receiving frame 82 slides leftwards and resets and can collect the fine sand in first funnel 311, reach the purpose of carrying out interval collection to the fine sand.

Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims

1. A coarse sand and fine sand separating device is characterized by comprising:

the motor-driven electric bicycle comprises a bottom plate (1) and a motor (2), wherein the motor (2) is installed at the top of the bottom plate (1);

the shaking mechanism (3) is arranged on the top of the bottom plate (1) and an output shaft of the motor (2);

unloading mechanism (4), unloading mechanism (4) are installed at bottom plate (1) top, and shake mechanism (3) and unloading mechanism (4) cooperation.

2. A coarse sand and fine sand separating apparatus according to claim 1, wherein the shaking means (3) comprises:

the top of the bottom plate (1) is symmetrically provided with first supporting columns (31);

the upper parts of the two first supporting columns (31) are rotatably provided with first rotating shafts (32), and the first rotating shafts (32) are fixedly connected with an output shaft of the motor (2);

the top of the bottom plate (1) is provided with a second supporting column (34);

the fixing column (36) is arranged at the top of the bottom plate (1);

the second rotating shaft (35) is rotatably connected between the upper part of the second supporting column (34) and the upper part of the fixed column (36);

the top of the bottom plate (1) is provided with a first sliding rail (38), and the first rotating shaft (32) is rotatably connected with the lower part of the first sliding rail (38);

the conveying belt (33) is connected between the first rotating shaft (32) and the second rotating shaft (35);

the second rotating shaft (35) is provided with a swinging block (37), the lower end of the swinging block (37) is rotatably connected with the first rotating shaft (32), and the upper part of the swinging block (37) is slidably connected with the upper part of the first sliding rail (38);

the top of the first sliding rail (38) is provided with a first sliding block (39) in a sliding manner, and the first sliding block (39) is fixedly connected with the swinging block (37);

the first sliding block (39) is provided with a first filtering frame (310), and the first filtering frame (310) is connected with the first sliding rail (38) in a sliding manner;

the first funnel (311) is arranged at the lower part of the first filter frame (310).

3. A device for separating coarse sand and fine sand according to claim 2, characterized in that the blanking means (4) comprises:

the top of the bottom plate (1) is symmetrically provided with first supporting rods (41);

the second funnel (42) is connected between the upper parts of the two first supporting rods (41);

the second fixing block (44) is arranged at the upper part of the first filtering frame (310);

the rack (45) is arranged on the second fixed block (44), and the rack (45) is connected with the first sliding rail (38) in a sliding manner;

a third rotating shaft (46), wherein the upper part of the second funnel (42) is rotatably provided with the third rotating shaft (46);

the third rotating shaft (46) is provided with a one-way gear (47), and the one-way gear (47) is meshed with the rack (45);

the spring (48) is sleeved on the third rotating shaft (46), and two ends of the spring (48) are respectively connected to the third rotating shaft (46) and the one-way gear (47);

the first baffle (43) is arranged on the spring (48), and the first baffle (43) is in contact fit with the second hopper (42).

4. A coarse sand and fine sand separating apparatus according to claim 3, further comprising a pushing mechanism (5), the pushing mechanism (5) comprising:

the top of the bottom plate (1) is symmetrically provided with a second support rod (51);

the blanking frame (52) is connected between the upper parts of the two second supporting rods (51);

the top of the bottom plate (1) is symmetrically provided with a third supporting rod (53);

the upper parts of the two third support rods (53) are connected with the striker plate (54);

the material loading frame (55) is arranged on the material baffle plate (54);

the second baffle (56) is arranged on the upper part of the material baffle (54) in a sliding manner, and the second baffle (56) is in contact fit with the bottom of the material loading frame (55);

the top of the bottom plate (1) is provided with a second sliding rail (58);

the upper part of the second push rod (57) and the second sliding rail (58) is provided with the second push rod (57) in a sliding way, and the upper part of the second push rod (57) is connected with the material baffle plate (54) in a sliding way.

5. A coarse sand and fine sand separating apparatus as claimed in claim 4, further comprising a material shaking mechanism (6), the material shaking mechanism (6) comprising:

the first sliding block (39) is provided with a first fixing rod (61);

the second fixing rod (61) is provided with a third filtering frame (63);

the second filter frame (62) is arranged on the third filter frame (63);

bolts (64) are arranged on the third filter frame (63) in a sliding mode at intervals, the number of the bolts (64) is four, and the four bolts (64) are in contact fit with the second filter frame (62).

6. A coarse sand and fine sand separating apparatus according to claim 5, further comprising a charging mechanism (7), the charging mechanism (7) comprising:

the top of the bottom plate (1) is provided with four supporting blocks (76), and the number of the supporting blocks (76) is four;

the top parts of the four supporting blocks (76) are connected with the fixed frame (71) through the fixed frame (71);

the upper side and the lower side of the fixed frame (71) are both provided with the collecting frames (72) in a sliding way;

the upper side and the lower side of the inner wall of the fixed frame (71) are provided with the third slide rails (73), and the number of the third slide rails (73) is four;

the second sliding blocks (74) are arranged on the four third sliding rails (73), the number of the second sliding blocks (74) is four, and the four second sliding blocks (74) are fixedly connected with the two collecting frames (72);

the middle of the handle (75) and the two collecting frames (72) is provided with the handle (75).

7. A device for separating coarse sand and fine sand according to claim 6, further comprising a collecting means (8), the collecting means (8) comprising:

the top of the bottom plate (1) is provided with a fourth sliding rail (81);

the upper parts of the third sliding blocks (83) and the fourth sliding rails (81) are provided with the third sliding blocks (83) at intervals in a sliding manner, and the number of the third sliding blocks (83) is eight;

the lower parts of the two third sliding blocks (83) which are close to each other are rotatably connected with the pulleys (84), the number of the pulleys (84) is four, and the four pulleys (84) are in contact fit with the fourth sliding rail (81);

the material receiving frame (82) is connected between the upper parts of the eight third sliding blocks (83), and the material receiving frame (82) is matched with the first hopper (311).

8. A coarse sand and fine sand separating apparatus according to claim 3, wherein the one-way gear (47) is of forged steel.