CN218902696U - Adjustable fine sand recovery unit - Google Patents

Abstract

The utility model discloses an adjustable fine sand recovery device in the technical field of sand making, and aims to solve the problem that the fine sand recovery device in the prior art cannot be adjusted freely. The device comprises a shell, wherein a discharge hole is formed in the bottom of the shell, an opening and closing mechanism is arranged on the discharge hole, an air inlet and an air outlet are respectively formed in two side walls of the shell, and an air channel is formed between the air inlet and the air outlet; the air guide mechanisms are arranged on two sides of the bottom of the air duct and comprise air guide plates and first driving pieces, the top of the shell is provided with a material blocking mechanism, and the material blocking mechanism comprises baffle plates and second driving pieces; the utility model is suitable for fine sand recovery, can be freely adjusted, so that the wind speed can be kept at a proper level, small-particle material stone powder and large-particle material fine-particle sand in dust can be fully separated, the quality of finished sand and stone powder is ensured, the service life of the dust remover is prolonged, and the comprehensive use effect is good.

Description

Adjustable fine sand recovery unit

Technical Field

The utility model relates to the technical field of sand production, in particular to an adjustable fine sand recovery device.

Background

In the production process of sand making building equipment, in order to meet the whole environmental protection requirement of the equipment, a large dust collector is often required to collect dust and select powder, part of fine particle sand is contained in the collected dust, the loss of the part of sand influences the quality of finished sand, the grading of the finished sand is discontinuous, the fineness modulus of the sand does not reach the standard, and in addition, the service life of a dust collector cloth bag and the value of stone powder are influenced when the sand contained in the powder enters the dust collector.

When the sand making building works, dust (stone powder, wherein the size of part of fine particle sand is 75um or more) is extracted from the powder selector by the dust remover, then the dust passes through the fine sand recovery device, and the fine sand recovery device is internally provided with a baffle plate to reduce the speed, so that the fine particle sand and the stone powder are separated into two layers, the stone powder enters a stone powder bin below the dust remover, and the fine sand is settled and conveyed into finished sand through a fine sand discharge pipe, so that the grading of the finished sand is improved.

However, the existing fine sand recovery device cannot be freely adjusted, so that when the dust removal wind speed is low, stone powder is caused to settle to the bottom of the shell along with fine sand, and then a large amount of stone powder enters the finished sand to influence the quality of the finished sand; when the dust removal wind speed is high, fine sand is caused to enter a lower stone powder bin of the dust remover along with stone powder, and the service life of a cloth bag of the dust remover and the value of the stone powder are affected; the comprehensive use effect is poor.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, provides an adjustable fine sand recovery device, and solves the problem that the current fine sand recovery device cannot be adjusted freely.

In order to solve the technical problems, the utility model is realized by adopting the following technical scheme:

the utility model provides an adjustable fine sand recovery device, which comprises: the device comprises a shell, wherein a discharge hole is formed in the bottom of the shell, an opening and closing mechanism is arranged on the discharge hole, an air inlet and an air outlet are respectively formed in two side walls of the shell, and an air channel is formed between the air inlet and the air outlet;

the air guide mechanism comprises an air guide plate rotationally connected with the inner wall of the shell and a first driving piece for driving the air guide plate to swing up and down, wherein the top of the shell is provided with a material blocking mechanism, and the material blocking mechanism comprises a baffle plate penetrating into the shell and a second driving piece for driving the baffle plate to move up and down.

Further, the air duct comprises a controller, a wind meter is arranged on one side, close to the air inlet, of the air duct, the input end of the controller is electrically connected with the wind meter, and the output end of the controller is electrically connected with the first driving piece and the second driving piece respectively.

Further, the first driving piece comprises a first electric push rod and a pull rod, one end of the first electric push rod is hinged with the inner wall of the shell, the other end of the first electric push rod is hinged with the pull rod, and one end of the pull rod, far away from the first electric push rod, is fixedly connected with the air deflector.

Further, the second driving piece comprises a second electric push rod, one end of the second electric push rod is fixedly connected with the shell, and the other end of the second electric push rod is fixedly connected with the baffle.

Further, an air supply port is arranged below the air guide mechanism on the side wall of the shell.

Further, the opening and closing mechanism comprises a first heavy hammer valve and a second heavy hammer valve, the input end of the first heavy hammer valve is communicated with the discharge port, and the output end of the first heavy hammer valve is communicated with the input end of the second heavy hammer valve.

Further, the casing includes the screening part and locates the collecting portion of screening part bottom, collecting portion is linked together and is the toper structure with the screening part for assemble the fine sand and carry to the discharge gate.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the rotation of the air deflector and the up-and-down movement of the baffle, the device can be freely adjusted, so that the wind speed can be kept at a proper degree, small-particle material stone powder and large-particle material fine-particle sand in dust can be fully separated, the quality of finished sand and stone powder is ensured, the service life of the dust remover is prolonged, and the comprehensive use effect is good;

2. according to the utility model, the wind speed of dust airflow is detected by the anemometer, and the first driving piece and the second driving piece are driven by the controller to move, so that the function of real-time dynamic adjustment according to the wind speed is realized, the labor is saved, the adjustment effect is improved, and the quality of finished sand and stone powder can be more fully ensured;

3. according to the utility model, by arranging the first heavy hammer valve and the second heavy hammer valve, fine sand can be automatically output when the fine sand is accumulated to a certain degree, manual operation is not needed, time and labor are saved, and air locking can be performed by sequentially opening the first heavy hammer valve and the second heavy hammer valve, so that the discharge hole is prevented from being directly communicated with the outside during discharging, and the disturbance to dust air flow is caused, and the separation effect of the device is ensured.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of an adjustable fine sand recycling device according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram showing electrical connections of a controller in the conditioning sand reclamation apparatus shown in FIG. 1;

in the figure: 1. a housing; 11. a sieving section; 111. an air inlet; 112. an air outlet; 113. an air duct; 12. a collection section; 121. a discharge port; 122. air supplementing port; 2. an opening and closing mechanism; 21. a first weight valve; 22. a second heavy hammer valve; 3. an air guide mechanism; 31. an air deflector; 32. a first driving member; 321. a first electrical push rod; 322. a pull rod; 4. a material blocking mechanism; 41. a baffle; 42. a second driving member; 421. a second electric push rod; 5. a controller; 6. and a wind meter.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Embodiment one:

as shown in fig. 1, an embodiment of the utility model provides an adjustable fine sand recycling device, which comprises a shell 1, wherein a discharge hole 121 is formed in the bottom of the shell 1, an opening and closing mechanism 2 is arranged on the discharge hole 121, an air inlet 111 and an air outlet 112 are respectively formed in two side walls of the shell 1, and an air channel 113 is formed between the air inlet 111 and the air outlet 112.

The bottom both sides of wind channel 113 are equipped with wind-guiding mechanism 3, and wind-guiding mechanism 3 includes the aviation baffle 31 that rotates with casing 1 inner wall and is used for driving aviation baffle 31 up-and-down wobbling first driving piece 32, and the top of casing 1 is equipped with striker mechanism 4, and striker mechanism 4 is including running through baffle 41 to the casing 1 in and be used for driving baffle 41 up-and-down motion second driving piece 42.

It should be noted that the stop mechanism 4 is not limited to one or more, so as to achieve a better blocking effect, and the specific number is not limited and can be adjusted correspondingly according to the actual application situation; the air inlet 111 and the air outlet 112 are preferably arranged horizontally and symmetrically, so that fine sand settling is facilitated.

When the dust separator is used, the air inlet 111 is in butt joint communication with the air inlet pipe, the air outlet 112 is in butt joint communication with the air outlet pipe, the fine sand discharging pipe is in butt joint connection with the outlet of the opening and closing mechanism 2, and then dust air flow in the dust separator is pumped out by the dust remover after passing through the air duct 113; when the dust airflow passes through the air duct 113, the small-particle material stone powder and the large-particle material fine-particle sand in the dust are separated into two layers, the stone powder enters a lower stone powder bin of the dust remover through the air outlet pipe, the fine-particle sand is settled to the bottom of the shell 1 through gravity, and after a certain degree of accumulation, the opening and closing mechanism 2 is opened, so that the fine-particle sand can be fed into the finished sand through the fine-particle discharge pipe.

When the wind speed is adjusted, if the wind speed is too high, the first driving piece 32 in the wind guiding mechanism 3 is started to drive the wind guiding plate 31 to rotate, the wind guiding plate 31 close to the air inlet 111 is made to swing downwards, the wind guiding plate 31 close to the air outlet 112 is made to swing upwards, so that the dust airflow is rugged, and meanwhile, the second driving piece 42 in the material blocking mechanism 4 is started to drive the baffle 41 to descend, so that the baffle 41 stretches into the air duct 113, the blocking of the dust airflow is increased, and the two pieces of the driving piece are matched with each other, so that the effect of reducing the dust airflow can be achieved; if the wind speed is too low, the operation is reversely carried out, and the effect of accelerating the dust airflow can be achieved.

Specifically, through setting up above-mentioned part, make the device can freely adjust to can make the wind speed keep at suitable degree, and then make the tiny particle material stone dust in the dust and the tiny particle sand of big granule material can obtain fully separating, guaranteed the quality of finished sand and stone dust, and prolonged the life of dust remover, comprehensive result of use is good.

In this embodiment, the first driving member 32 includes a first electric push rod 321 and a pull rod 322, one end of the first electric push rod 321 is hinged to the inner wall of the housing 1, the other end is hinged to the pull rod 322, and one end of the pull rod 322 far away from the first electric push rod 321 is fixedly connected to the air deflector 31.

Specifically, a rotating shaft is arranged between adjacent inner side walls of the shell 1, the air deflector 31 is fixedly connected to the rotating shaft, so that the air deflector 31 is in rotary connection with the shell 1, and one end of the pull rod 322 is preferably fixedly connected with the rotating shaft, so that the air deflector 31 is indirectly fixedly connected; during adjustment, the first electric push rod 321 drives the pull rod 322, the pull rod 322 drives the rotating shaft to rotate, and the rotating shaft drives the air deflector 31 to synchronously rotate; the device is simple in structure, stable in transmission, high in adjustment precision and convenient to install and arrange.

In the present embodiment, the second driving member 42 includes a second electric push rod 421, where one end of the second electric push rod 421 is fixedly connected to the housing 1, and the other end is fixedly connected to the baffle 41.

The shell 1 is provided with a socket matched with the size of the baffle 41, so that the interference to the movement of the baffle 41 can be avoided, and dust air flow can be prevented from leaking out of the device through a gap between the socket and the baffle 41.

Specifically, the second electric push rod 421 and the baffle 41 are preferably arranged vertically, so as to have an optimal blocking effect; during adjustment, the output end of the second electric push rod 421 drives the baffle 41 to lift, so that the baffle 41 is retracted or extended into the air duct 113, and the air duct device is simple in structure, convenient to arrange and install and convenient to manufacture.

In this embodiment, the opening and closing mechanism 2 includes a first weight valve 21 and a second weight valve 22, where an input end of the first weight valve 21 is connected to the discharge port 121, and an output end is connected to an input end of the second weight valve 22.

In use, deposited fine sand falls into the upper part of the first weight valve 21 through the discharge hole 121 and gradually accumulates, when fine sand accumulates to a certain extent, gravity pushes the first weight valve 21 to open, so that accumulated fine sand falls into the upper part of the second weight valve 22, the first weight valve 21 is closed, the second weight valve 22 is opened, and then fine sand falls into the fine sand discharge pipe from the second weight valve 22, and finally is sent to finished sand.

Specifically, by arranging the first heavy hammer valve 21 and the second heavy hammer valve 22, fine sand can be automatically output when the fine sand is accumulated to a certain degree, and manual operation is not needed, so that time and labor are saved; simultaneously, by sequentially opening the first weight valve 21 and the second weight valve 22, the shell 1 can be locked, so that the discharge hole 121 is prevented from being directly communicated with the outside during discharging, and the disturbance to dust air flow is caused, and the separation effect of the device is ensured.

Embodiment two:

as shown in fig. 2, the present embodiment provides an adjustable fine sand recycling device, which is different from the first embodiment in that the device further includes a controller 5, a wind meter 6 is disposed on a side of the air duct 113 near the air inlet 111, an input end of the controller 5 is electrically connected to the wind meter 6, and an output end of the controller 5 is electrically connected to the first driving member 32 and the second driving member 42 respectively.

Specifically, the anemometer 6 detects the wind speed of the dust airflow entering the air duct 113, then transmits data to the controller 5, and the controller 5 drives the first driving piece 32 and the second driving piece 42 to move according to the wind speed and in combination with a preset control strategy, so that the function of real-time dynamic adjustment according to the wind speed is realized, the manpower is saved, the adjustment effect is improved, and the quality of the finished sand and stone powder can be fully ensured.

In the present embodiment, a wind compensating port 122 is provided on the sidewall of the housing 1 below the wind guiding mechanism 3.

Specifically, when the opening and closing mechanism 2 discharges, the lower part of the casing 1 forms negative pressure, so that the negative pressure can be supplemented through the air supplementing port 122, thereby avoiding disturbance to dust air flow in the air duct 113 and guaranteeing the separation effect.

In this embodiment, the casing 1 includes a sieving portion 11 and a collecting portion 12 disposed at the bottom of the sieving portion 11, where the collecting portion 12 is in communication with the sieving portion 11 and has a conical structure, and is used for converging and conveying fine sand to the discharge port 121.

Specifically, the air inlet 111 and the air outlet 112 are disposed on two sides of the collecting portion 12, and the collecting portion 12 has a tapered structure, so that the precipitated fine sand can be collected, thereby avoiding the fine sand from being retained in the housing 1, and fully recovering the fine sand.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims (7)

1. An adjustable fine sand reclamation device, comprising: the device comprises a shell (1), wherein a discharge hole (121) is formed in the bottom of the shell (1), an opening and closing mechanism (2) is arranged on the discharge hole (121), an air inlet (111) and an air outlet (112) are respectively formed in two side walls of the shell (1), and an air channel (113) is formed between the air inlet (111) and the air outlet (112);

the air guide mechanism is characterized in that air guide mechanisms (3) are arranged on two sides of the bottom of the air duct (113), each air guide mechanism (3) comprises an air guide plate (31) rotationally connected with the inner wall of the shell (1) and a first driving piece (32) for driving the air guide plates (31) to swing up and down, a material blocking mechanism (4) is arranged at the top of the shell (1), and each material blocking mechanism (4) comprises a baffle (41) penetrating into the shell (1) and a second driving piece (42) for driving the baffle (41) to move up and down.

2. The adjustable fine sand recycling device according to claim 1, further comprising a controller (5), wherein a wind meter (6) is arranged on one side of the air duct (113) close to the air inlet (111), an input end of the controller (5) is electrically connected with the wind meter (6), and an output end of the controller (5) is electrically connected with the first driving piece (32) and the second driving piece (42) respectively.

3. The adjustable fine sand recycling device according to claim 1, wherein the first driving piece (32) comprises a first electric push rod (321) and a pull rod (322), one end of the first electric push rod (321) is hinged with the inner wall of the shell (1), the other end of the first electric push rod is hinged with the pull rod (322), and one end, far away from the first electric push rod (321), of the pull rod (322) is fixedly connected with the air deflector (31).

4. The device according to claim 1, characterized in that the second driving member (42) comprises a second electric push rod (421), one end of the second electric push rod (421) is fixedly connected with the housing (1), and the other end is fixedly connected with the baffle plate (41).

5. The adjustable fine sand recycling device according to claim 1, characterized in that a wind supplementing port (122) is arranged below the wind guiding mechanism (3) on the side wall of the shell (1).

6. The adjustable fine sand recovery device according to claim 1, wherein the opening and closing mechanism (2) comprises a first heavy hammer valve (21) and a second heavy hammer valve (22), the input end of the first heavy hammer valve (21) is communicated with the discharge port (121), and the output end of the first heavy hammer valve is communicated with the input end of the second heavy hammer valve (22).

7. The adjustable fine sand recycling device according to claim 1, characterized in that the housing (1) comprises a sieving part (11) and a collecting part (12) arranged at the bottom of the sieving part (11), wherein the collecting part (12) is communicated with the sieving part (11) and is of a conical structure and is used for converging and conveying fine sand to the discharge hole (121).

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