CN219324464U - Sand and stone powder removing and screening device - Google Patents

Abstract

The utility model discloses a sand and gravel powder removal and sub-sieving device, which relates to the technical field of sand and gravel screening, and comprises a powder removal and screening bin and a powder removal mechanism. The powder removal and screening bin is connected with the powder removal mechanism. The inside of the powder screening chamber is equipped with a stirring mechanism and an elastic discharging mechanism. The elastic discharging mechanism is arranged below the stirring mechanism. When the wind blows, the dust will be taken out, and the remaining sand and gravel will be sieved to separate the different specifications through secondary screening. This will not only greatly improve the efficiency of sand and gravel powder removal, but also further improve the selection of sand and gravel. quality.

Description

A gravel powder removal and screening device

technical field

The utility model relates to the technical field of sand and gravel screening, in particular to a sand and gravel powder removal and sorting device.

Background technique

With the rapid development of society, the demand for high-quality sand and gravel in construction and mining is increasing, and the quality requirements for sand and gravel are also getting higher and higher. A large amount of dust, the smoke and debris caused by the agitation will firstly pollute the environment, and secondly cause the loss of sand and gravel, affecting the output rate. Moreover, the uniformity of the particle size of the mined stone body after crushing and processing cannot be guaranteed. Traditional The advanced sand and gravel dedusting (dust removal) device can only simply screen the sand and gravel, its efficiency is low, and the quality of the sand and gravel cannot be guaranteed. In addition, the traditional sand and gravel dedusting device is in the process of dedusting The sand and gravel cannot be further screened, so that the sand and gravel with different particle sizes are uniformly discharged, which affects the quality of the sand and gravel, and also affects the later use effect. The traditional sand and gravel powder removal device is unreasonable for sand and gravel dedusting (dust removal) , will aggravate the agitation of dust, pollute the surrounding environment, pose a threat to the health of production operators, and cause a waste of resources. In order to solve the problems existing in the current equipment, it is necessary to design a kind of A device for further screening the particle size of sand and gravel.

Utility model content

In view of the above deficiencies, the utility model provides a gravel powder removal and sieving device, which can not only remove powder (dust removal), but also further screen the particle size of sand and gravel, and at the same time greatly improve the powder removal efficiency Safety during powder removal.

In order to achieve the above object, the utility model adopts the following technical solutions:

A sand and gravel powder removal and sub-sieving device, including a powder removal and screening bin and a powder removal mechanism, the powder removal and screening bin is connected to the powder removal mechanism, and a stirring mechanism and a powder removal mechanism are arranged inside the powder removal and screening bin. An elastic discharging mechanism, the elastic discharging mechanism is arranged below the stirring mechanism;

The stirring mechanism includes a conical net barrel for holding material, a stirring blade, a worm wheel feeding blade, a rotating shaft, a first bevel gear, a second bevel gear, a driving shaft and a driving motor, and the rotating shaft passes through the installation frame in the warehouse. Installed in the powder removal and screening chamber, one end of the rotating shaft is provided with the first bevel gear, and the other end is provided with the worm wheel feeding blade, the stirring blade is arranged on the rotating shaft, and is located Above the worm gear feeding blade, the conical material net bucket is set in the powder removal and screening bin, the second bevel gear is set at the end of the drive shaft, and the second bevel gear is connected to the The first bevel gear is meshed and connected, the drive motor is installed on the powder removal and screening bin, the output end of the drive motor is provided with the second bevel gear, and the drive motor indirectly drives the The stirring blade blows out the dust attached to the gravel and discharges it through the powder removal mechanism.

A further preferred solution of the present utility model is that the powder removal and screening chamber is in a column-cone structure, and a second discharge port is provided at the cone part.

A further preferred solution of the present utility model is that a sieve plate is obliquely arranged between the conical material holding net bucket and the elastic discharge mechanism, and a first discharge port is provided on the powder removal and screening chamber, and the The first discharge port is arranged at the lead-out position of the sieve plate.

A further preferred solution of the present utility model is that the upper and lower ends of the column body of the powder removal and screening bin are provided with an air inlet and a powder discharge port tangentially, and the powder removal mechanism includes a blower and a dust guide duct. The air blower is arranged at the air inlet and connected to the air inlet, and the dust guiding duct is arranged at the powder outlet.

A further preferred solution of the present utility model is that the elastic discharge mechanism includes a support sleeve rod, a sliding rod, a spring and a supporting platform, and the supporting platform is rotatably arranged inside the powder removal and screening bin, so that A slide rail is provided at the bottom of the supporting platform, and a slider is provided for sliding on the slide rail. The support sleeve rod is fixed inside the powder removal and screening bin, and the slide rod is slidingly provided on the support sleeve rod. Inside, the spring is provided between the support sleeve rod and the sliding rod, the spring is sleeved on the sliding rod, and the end of the sliding rod is hinged to the slider.

A further preferred solution of the present utility model is that the powder screening bin is fixed by a support frame.

A further preferred solution of the present utility model is that a first material delivery mechanism is provided below the second discharge port, and the first material delivery mechanism includes a first mounting base, a first transmission shaft, a first motor and a second A conveyor belt, the first transmission shaft and the first motor are installed on the first installation base, the output end of the first motor is provided with the first transmission shaft, and the first transmission belt is installed on the on the first drive shaft.

A further preferred solution of the present utility model is that a second delivery mechanism is provided below the first outlet, and the second delivery mechanism includes a second mounting seat, a second transmission shaft, a second motor and a second Two transmission belts, the second transmission shaft and the second motor are installed on the second installation base, the output end of the second motor is provided with the second transmission shaft, and the second transmission belt is installed on the on the second drive shaft.

Compared with the prior art, the beneficial effects of the utility model are:

1. The utility model provides a gravel powder removal and sieving device, which is equipped with a stirring mechanism in the bin, and the stirring mechanism can separate the dust debris attached to the sand and gravel from the granular sand and gravel , and blown out by blower.

2. The powder removal and screening chamber in this utility model has a column-cone structure, so that the blower can form a gas vortex in the chamber after entering from the air inlet, and then cooperate with the stirring of the stirring mechanism to bring out the dust faster and more efficiently.

3. A sieve plate is installed obliquely between the cone-shaped material net bucket and the elastic discharge mechanism in this application, and the sieve plate can carry out secondary screening of the sand and gravel after dust and debris, so that the quality of the sand and gravel is higher .

4. The elastic discharge mechanism in this utility model can blow out the dust first when the stirring mechanism separates the dust and debris, so as to avoid the more important debris from falling out with the sand and gravel again. When the sieved sand and gravel reach a certain amount At the same time, the high-quality sand and gravel will be sent out through the elastic discharge mechanism.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following will briefly introduce the accompanying drawings used in the description of the embodiments.

Fig. 1 is the overall structure schematic diagram in the utility model;

Fig. 2 is a structural schematic diagram of a stirring mechanism in the utility model;

Fig. 3 is a schematic diagram of the oblique discharge structure of the utility model;

Fig. 4 is the elastic discharge mechanism in the utility model.

Among them, the marks shown in the figure are: 1. Powder removal and screening bin; 2. Conical bucket for holding material; 3. Stirring blade; 4. Worm wheel feeding blade; 5. Rotating shaft; 6. First bevel gear ; 7, the second bevel gear; 8, the drive shaft; 9, the drive motor; 10, the installation frame in the warehouse; 11, the second outlet; 12, the sieve plate; 13, the first outlet; , Powder discharge port; 16, Blower; 17, Dust guide duct; 18, Support sleeve rod; 19, Slide rod; 20, Spring; 21, Supporting platform; 22, Slide rail; 23, Slide block; 25, Support frame 26, the first mounting seat; 27, the first transmission shaft; 28, the first motor; 29, the first conveyor belt; 30, the second mounting seat; 31, the second transmission shaft; 32, the second motor; 33, the first Two conveyor belts.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In the description of the utility model, it should be noted that the orientation or positional relationship indicated by the term "inner" is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is usually placed when the utility model product is used. The positional relationship is only for the convenience of describing the present utility model and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation of the present utility model.

In the description of the present utility model, it should also be noted that, unless otherwise clearly stipulated and limited, the terms "setting" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, Or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Example

Please refer to Fig. 1 to Fig. 4, the preferred embodiment of the present utility model provides a kind of gravel powder removal and screening device, including powder removal and screening bin 1 and powder removal mechanism, and described powder removal and screening bin 1 and all The powder removal mechanism is connected, and the powder removal and screening bin 1 is fixedly mounted by a support frame 25. The inside of the powder removal and screening bin 1 is provided with a stirring mechanism and an elastic discharge mechanism, and the elastic discharge mechanism is located at Below the stirring mechanism;

Wherein, the stirring mechanism includes a conical net barrel 2, a stirring blade 3, a worm wheel feeding blade 4, a rotating shaft 5, a first bevel gear 6, a second bevel gear 7, a drive shaft 8 and a drive motor 9. The rotating shaft 5 is installed in the powder removal and screening chamber 1 through the installation frame 10 in the chamber, the first bevel gear 6 is provided at one end of the rotating shaft 5, and the worm gear feeding blade 4 is provided at the other end , the stirring blade 3 is arranged on the rotating shaft 5, and is located above the worm wheel feeding blade 4, and the conical material holding net bucket 2 is arranged in the powder removal and screening bin 1, and the The second bevel gear 7 is located at the end of the drive shaft 8, the second bevel gear 7 is meshed with the first bevel gear 6, and the drive motor 9 is installed on the powder removal and screening bin 1, The output end of the driving motor 9 is provided with the second bevel gear 7, and the stirring blade 3 is indirectly driven by the driving motor 9 to blow out the dust attached to the gravel, and through the removing The powder mechanism is discharged, and its drive mode is the existing relatively common mode. The purpose of this setting mode is to better separate the dust debris attached to the sand and gravel from the granular sand and gravel, and blow it out through the blower 16.

In a preferred embodiment of the present utility model, the powder removal and screening bin 1 is in a column-cone structure, and a second outlet 11 is provided at the cone.

In a preferred embodiment of the present utility model, a sieve plate 12 is obliquely arranged between the conical material holding net bucket 2 and the elastic discharge mechanism, and a first discharge port 13 is provided on the powder removal and screening chamber 1. The first discharge port 13 is located at the lead-out position of the sieve plate 12 .

In a preferred embodiment of the present utility model, the upper and lower ends of the column body of the powder removal and screening bin 1 are provided with an air inlet 14 and a powder discharge port 15 tangentially, and the powder removal mechanism includes a blower 16 and a dust guide duct 17 , the blower 16 is arranged at the air inlet 14 and is connected to the air inlet 14, the dust guiding duct 17 is arranged at the powder outlet 15, and the powder removal and screening bin 1 in the present invention is columnar The conical structure enables the blower 16 to form a gas vortex in the bin after it enters through the air inlet 14, and then cooperates with the agitation of the stirring mechanism to bring out the dust faster and more efficiently. The dust guide duct 17 can crush the separated dust Crumbs are collected uniformly.

In a preferred embodiment of the present utility model, the elastic discharge mechanism includes a support sleeve rod 18, a sliding rod 19, a spring 20 and a supporting platform 21, and the supporting platform 21 is rotated and arranged on the powder removal and screening bin 1, the bottom of the support platform 21 is provided with a slide rail 22, the slide rail 22 is slidably provided with a slider 23, the support sleeve rod 18 is fixed inside the powder removal and screening bin 1, and the The sliding rod 19 is slidably arranged in the supporting sleeve rod 18, the spring 20 is arranged between the supporting sleeve rod 18 and the sliding rod 19, and the spring 20 is sleeved on the sliding rod 19. The end of the sliding rod 19 is hinged with the slider 23. The elastic discharge mechanism in the utility model can blow out the dust when the stirring mechanism separates the dust and debris, so as to avoid the more important debris falling out with the sand and gravel again. , when the screened sand reaches a certain amount, the high-quality sand will be sent out through the elastic discharge mechanism.

In a preferred embodiment of the present utility model, a first feeding mechanism is provided below the second discharge port 11, and the first feeding mechanism includes a first mounting base 26, a first transmission shaft 27, a first motor 28 and the first conveyor belt 29, the first transmission shaft 27 and the first motor 28 are installed on the first mount 26, and the output end of the first motor 28 is provided with the first transmission shaft 27, so The first conveyor belt 29 is installed on the first transmission shaft 27 .

In a preferred embodiment of the present utility model, a second delivery mechanism is provided below the first discharge port 13, and the second delivery mechanism includes a second mounting seat 30, a second transmission shaft 31, and a second motor 32. And the second conveyor belt 33, the second transmission shaft 31 and the second motor 32 are installed on the second mounting seat 30, the output end of the second motor 32 is provided with the second transmission shaft 31, so The second conveyor belt 33 is installed on the second transmission shaft 31 .

Based on the description of the above-mentioned embodiments, the utility model provides a sand and gravel powder removal and screening device, which is equipped with a stirring mechanism in the warehouse, and the stirring mechanism can separate the dust debris and granular particles attached to the sand and gravel. The sand and gravel are separated and blown out by the blower 16; the powder removal and screening bin 1 in this utility model has a column-cone structure, so that the blower 16 can form a gas vortex in the bin after entering through the air inlet 14, and then cooperate with the stirring mechanism The stirring can bring out the dust faster and more efficiently; the sieve plate 12 is obliquely arranged between the cone-shaped material net barrel 2 and the elastic discharge mechanism in this utility model, and the sieve plate can remove the sand and gravel after removing dust debris. The secondary screening makes the quality of the sand and gravel higher; the elastic discharge mechanism in this utility model can blow out the dust and debris first when the stirring mechanism separates the dust and debris, so as to prevent the more important debris from falling out with the sand and gravel again , when the screened sand reaches a certain amount, the high-quality sand will be sent out through the elastic discharge mechanism.

The above is only a specific embodiment of the present utility model, but the scope of protection of the present utility model is not limited thereto. Any skilled person familiar with the technical field can easily think of changes within the technical scope disclosed by the utility model Or replacement, all should be covered within the scope of protection of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (8)

1. The sand and stone powder removing and screening device comprises a powder removing and screening bin (1) and a powder removing mechanism, wherein the powder removing and screening bin (1) is communicated with the powder removing mechanism, and the sand and stone powder removing and screening device is characterized in that a stirring mechanism and an elastic discharging mechanism are arranged in the powder removing and screening bin (1), and the elastic discharging mechanism is arranged below the stirring mechanism;

the stirring mechanism comprises a conical material containing net barrel (2), stirring blades (3), worm wheel material conveying blades (4), a rotating shaft (5), a first bevel gear (6), a second bevel gear (7), a driving shaft (8) and a driving motor (9), wherein the rotating shaft (5) is installed in a powder removing screening bin (1) through an in-bin installation frame (10), one end of the rotating shaft (5) is provided with the first bevel gear (6), the other end of the rotating shaft is provided with the worm wheel material conveying blades (4), the stirring blades (3) are arranged on the rotating shaft (5) and are located above the worm wheel material conveying blades (4), the conical material containing net barrel (2) is arranged in the powder removing screening bin (1), the second bevel gear (7) is arranged at the end of the driving shaft (8), the second bevel gear (7) is meshed and connected with the first bevel gear (6), the driving motor (9) is installed on the powder removing screening bin (1), and the output end of the driving motor (9) is provided with the second bevel gear (7) and drives the dust removing blades (9) to be discharged through the driving mechanism.

2. The sand and stone dust removal screening device according to claim 1, wherein the dust removal screening bin (1) is of a column conical structure, and a second discharge outlet (11) is formed in the conical part.

3. The sand and stone dust removal screening device according to claim 1, wherein a screen plate (12) is obliquely arranged between the conical material containing net barrel (2) and the elastic discharging mechanism, a first discharge outlet (13) is arranged on the dust removal screening bin (1), and the first discharge outlet (13) is arranged at a lead-out position of the screen plate (12).

4. The sand and stone dust removal screening device according to claim 2, wherein an air inlet (14) and a dust discharge opening (15) are tangentially arranged at the upper end and the lower end of a column body of the dust removal screening bin (1), the dust removal mechanism comprises a blower (16) and a dust guide cloth channel (17), the blower (16) is arranged at the air inlet (14) and connected with the air inlet (14), and the dust guide cloth channel (17) is arranged at the dust discharge opening (15).

5. The sand and stone powder removing and screening device according to claim 1, wherein the elastic discharging mechanism comprises a supporting sleeve rod (18), a sliding rod (19), a spring (20) and a supporting platform (21), the supporting platform (21) is rotationally arranged inside the powder removing and screening bin (1), a sliding rail (22) is arranged at the bottom of the supporting platform (21), a sliding block (23) is arranged on the sliding rail (22) in a sliding manner, the supporting sleeve rod (18) is fixedly arranged inside the powder removing and screening bin (1), the sliding rod (19) is slidably arranged in the supporting sleeve rod (18), the spring (20) is arranged between the supporting sleeve rod (18) and the sliding rod (19), the spring (20) is sleeved on the sliding rod (19), and the end part of the sliding rod (19) is hinged with the sliding block (23).

6. The sand and stone dust removal screening device according to claim 1, wherein the dust removal screening bin (1) is mounted through a supporting frame (25) fixing frame.

7. The sand and stone dust removal screening device according to claim 2, wherein a first material conveying mechanism is arranged below the second discharge port (11), the first material conveying mechanism comprises a first mounting seat (26), a first transmission shaft (27), a first motor (28) and a first conveyor belt (29), the first transmission shaft (27) and the first motor (28) are mounted on the first mounting seat (26), the first transmission shaft (27) is arranged at the output end of the first motor (28), and the first conveyor belt (29) is mounted on the first transmission shaft (27).

8. A sand and stone powder removing and screening device according to claim 3, characterized in that a second material conveying mechanism is arranged below the first discharge outlet (13), the second material conveying mechanism comprises a second mounting seat (30), a second transmission shaft (31), a second motor (32) and a second conveyor belt (33), the second transmission shaft (31) and the second motor (32) are mounted on the second mounting seat (30), the second transmission shaft (31) is arranged at the output end of the second motor (32), and the second conveyor belt (33) is mounted on the second transmission shaft (31).

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