CN210171918U - Sand screening machine with drying function - Google Patents

Abstract

The utility model discloses a sand screening machine with drying function, relating to the technical field of sand screening equipment, it includes support frame and transportation area, the support frame is located transportation area top by supreme fixedly connected with second filtering component in proper order down, first filtering component and sand inlet hopper, second filtering component is connected with vibrating motor, the husky mouth has been seted up to second filtering component, first filtering component has seted up out husky mouth, first filtering component one end is kept away from in the transportation area is provided with down the hopper, lower hopper is kept away from transportation area one end and is connected drying drum, a base is place to the drying drum below, drying drum horizontal rotation supports in the base, drying drum is connected with its power component who drives pivoting, drying drum inner wall spiral is encircleed and is fixed with helical blade, the drying drum inner wall is equipped with the resistance wire, the drying drum outer wall is fixed with the power with resistance wire electric connection. The utility model discloses can heat the sand after the dry screening, make it satisfy building material humidity requirement.

Description

Sand screening machine with drying function

Technical Field

The utility model relates to a sand screening installation field, more specifically the saying so, it relates to a screening sand machine with drying function.

Background

With the development of economy, the construction industry is changing day by day, wherein sand is one of important raw materials in the construction industry, and when the sand is used, a sand screening machine is generally used for screening the sand, so that the application of the sand screening machine is very important for the construction industry. A sand screening machine, also known as a dry land sand screening boat, is a machine for separating thick and thin materials by using screening equipment and is divided into a drum sand screening machine, a washing drum sand screening machine and a vibration sand screening machine.

The utility model discloses prior art refers to utility model that the bulletin number is CN207226384U, and it discloses a screening sand transport all-in-one, including transfer gantry, driving pulley, belt, screen cloth and vibrating motor, can be with the direct appointed place of being sent to of sand that screens out, reduced the time of sending sand to the conveyer from screening sand mechanism, also avoid the sand after the screening not in time transport and lead to sneaking into some debris.

However, the above scheme has the following disadvantages: when the sand is excavated from the river channel, the humidity of the sand is very high, and even if the sand is accumulated before use and is exposed outside for a long time, the sand can be exposed to rainy weather, so that the humidity inside the sand is higher after being screened, and the humidity use requirement of the building material cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a screening sand machine with drying function heats the drying to the sand after the screening, makes it satisfy building material humidity user demand.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a sand screening machine with drying function comprises a support frame and a conveying belt with two ends arranged on the support frame, the support frame is located the transportation area top by supreme fixedly connected with second filtering component in proper order down, first filtering component and advance husky fill, second filtering component is connected with vibrating motor, the husky mouth has been seted up to the one end that second filtering component is close to ground, the husky mouth has been seted up to the one end that first filtering component is close to ground, first filtering component one end is kept away from in the transportation area is provided with down the hopper, the hopper is kept away from transportation area one end down and is connected dry drum, a base is place to the dry drum below, dry drum horizontal rotation supports in the base, dry drum is connected with its power component that pivots, dry drum inner wall spiral is around being fixed with helical blade, the dry drum inner wall is equipped with the resistance wire, the dry drum outer wall is fixed with the power with resistance.

Through adopting above-mentioned technical scheme, the sand after the screening gets into drying drum, and drying drum rotates along with motor work, and the sand in the drying drum advances to the one end of keeping away from down the hopper along with helical blade's rotation from drying drum is close to the one end rotation of hopper down, and the rotatory in-process of sand, the resistance wire of drying drum inner wall is to its drying by heating, and after sand discharges from drying drum, the moisture content reduces, and the sand after the discharge can satisfy building material and use humidity requirement.

The utility model discloses further set up to: a first dust cover is installed above the conveying belt, a resistance wire is tightly attached and fixed to the inner wall of the first dust cover, and the resistance wire is electrically connected with an external power supply.

Through adopting above-mentioned technical scheme, the operation of sand screening machine, during the sand after the transportation screening is taken in the transportation, the phenomenon that dust flies upward can be avoided to first dust cover, reduces the influence to the environment, and the resistance wire of first dust cover can carry out the drying of heating to the sand on the transportation area, reduces its moisture content.

The utility model discloses further set up to: and a second dust cover is arranged above the first filtering component, a resistance wire is tightly attached and fixed to the inner wall of the second dust cover, and the resistance wire is electrically connected with a power supply.

Through adopting above-mentioned technical scheme, when sand was through first filtering component, the phenomenon that first filtering component vibrated the dust that leads to and flies upward can be avoided to the second dust cover, reduces the influence to the environment. And the resistance wire of second dust cover can carry out the heat drying to the sand in the first filtering component, reduces the moisture content of sand among the screening process.

The utility model discloses further set up to: the first filter assembly comprises a first filter screen, the second filter assembly comprises a second filter screen, and the diameter of meshes of the second filter screen is smaller than that of meshes of the first filter screen.

By adopting the technical scheme, when the sand screening machine operates, sand is filtered by the first filter screen and the second filter screen successively, so that the sand meeting the screening requirement is obtained.

The utility model discloses further set up to: and a first exhaust cylinder is fixed on the surface of the first dust cover, a second exhaust cylinder is fixed on the second dust cover, and the first exhaust cylinder and the second exhaust cylinder are respectively connected with an external vacuum pump.

Through adopting above-mentioned technical scheme, the sand screening machine operation, the vacuum pump starts, and the flying dust that produces the sand screening machine operation is discharged from first aiutage and second aiutage, reduces the harm to the environment.

The utility model discloses further set up to: and a damping spring is arranged between the support frame and the second filtering component.

Through adopting above-mentioned technical scheme, when the screening sand machine was moved, when the motor drove the vibration of second filtering component, damping spring can alleviate the holistic vibration of equipment and feel, promoted screening sand machine's stability.

The utility model discloses further set up to: the inside fixedly connected with magnetic rod of drying drum.

Through adopting above-mentioned technical scheme, rotatory in-process, the ferromagnetic substance in the sand can be adsorbed by the inside magnetic rod of drying drum to improve the purity of sand.

To sum up, the utility model discloses a beneficial technological effect does:

1. the screened sand enters a drying roller, and a resistance wire fixedly connected with the inner wall in the drying roller heats and dries the screened sand to reduce the water content of the screened sand, so that the screened sand meeting the use requirement of the building humidity is finally obtained;

2. the first dust cover and the second dust cover are arranged on the conveying belt and the second filter assembly, so that the phenomenon that dust flies in the sand screening process is avoided, the welcome harm is reduced, and the resistance wires on the first dust cover and the second dust cover heat and dry the sand in the screening process, so that the water content of the sand is reduced;

3. through a magnetic rod of inside fixed connection of drying cylinder, make the sand in the drying cylinder at rotatory in-process, its inside ferromagnetic substance can be adsorbed by the magnetic rod to improve the purity of sand.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view taken along the plane a-a in fig. 1.

In the figure, 1, a sand inlet hopper; 2. a support frame; 21. a damping spring; 3. a first filter assembly; 31. a first filter screen; 32. a sand outlet; 33. a second dust cover; 34. a second exhaust funnel; 4. a second filter assembly; 41. a second filter screen; 42. a sand passing port; 5. a conveyor belt; 51. a driving pulley; 52. a driven pulley; 53. a belt; 54. a first dust cover; 55. a first exhaust cylinder; 6. feeding a hopper; 7. drying the roller; 71. a gear ring; 72. a helical blade; 73. a magnetic bar; 74. a connecting rod; 8. a base; 81. a gear.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a screening sand machine with drying function, refers to fig. 1, includes that support frame 2 and both ends install the conveyer belt 5 on support frame 2, and support frame 2 is located conveyer belt 5 top and is being connected second filter assembly 4, first filter assembly 3 and advance husky fill 1 by supreme in proper order down, and conveyer belt 5 keeps away from first filter assembly 3 one side and is connecting a lower hopper 6, and dry cylinder 7 is connected to 6 ejection of compact one end of lower hopper, and dry cylinder 7 has the function of rotary heating. During the use, the sand that the moisture content is high is poured into from advancing sand hopper 1, loops through the filter screen in first filter assembly 3 and the second filter assembly 4 again to being filtered, the sand after the filtration falls into conveyer belt 5. The conveyer belt 5 sends the filtered sand into a drying roller 7 through a discharging hopper 6 for rolling drying, and finally the sand meeting the use requirement is obtained.

Referring to fig. 1 and 2, the conveyor belt 5 is obliquely connected to the support frame 2, the conveyor belt 5 includes a driving pulley 51, a belt 53 and a driven pulley 52, the driving pulley 51 is rotatably connected to one end of the support frame 2 through a bearing, the driving pulley 51 is coaxially connected to a motor, and the driven pulley 52 is rotatably connected to the other end of the support frame 2 through a bearing. The motor works to drive the driving belt wheel 51 to rotate, the driving belt wheel 51 drives the driven belt wheel 52 to rotate through the belt 53, and the conveying belt 5 conveys the filtered sand to a high place. The first dust cover 54 is installed on the conveyer belt 5, so that the sand can be effectively prevented from splashing around when being transported, and the influence on the surrounding environment is reduced. The inner wall of the first dust cover 54 is closely provided with a resistance wire which is electrically connected with an external power supply, and the resistance wire plays a role in heating and drying the sand during transportation

The second filtering components 4 are connected with two sides of the supporting frame 2, and the second filtering components 4 are positioned above the conveyer belt 5 and are parallel to the conveyer belt 5. The second filter assembly 4 comprises a second filter screen 41 and a sand passing opening 42 formed at one end of the second filter assembly 4 close to the ground, and the second filter assembly 4 is connected with a vibration motor. The second filter 41 is vibrated by the operation of the motor, thereby filtering the sand in the second filter 41. The sand meeting the filtering requirement enters the conveyer belt 5, and the sand not meeting the filtering requirement is discharged from the sand passing port 42.

Referring to fig. 2, the first filter assembly 3 is stacked and fixed above the second filter assembly 4, and the first filter assembly 3 includes a first filter screen 31 and a sand outlet 32 is provided at one end of the first filter assembly 3 close to the ground. The first filter screen 31 may vibrate along with the operation of the motor to screen sand. The sand meeting the screening requirement enters the second filter assembly 4 through the first filter screen 31, and the sand not meeting the screening requirement is discharged through the sand outlet 32. Further, second dust cover 33 is installed to first filter assembly 3 top, and hugs closely at second dust cover 33 inner wall and is fixed with the resistance wire, and resistance wire electric connection external power source, second dust cover 33 can prevent that the sand of first filter assembly 3 from splashing, and the resistance wire on the second dust cover 33 can carry out the heat drying to the sand in the first filter assembly 3, makes it tentatively satisfy building material humidity operation requirement.

It is fixed in on the second dust cover 33 to advance husky fill 1 by the welded fastening, and both communicate each other, and feeder hopper 1 feeding one end is vertical upwards to open.

Referring to fig. 2, the first dust cover 54 is welded and fixed with a first exhaust tube 55 on the surface, the second dust cover 33 is welded and fixed with a second exhaust tube 34, and the first exhaust tube 55 and the second exhaust tube 34 are respectively connected with an external vacuum pump. The vacuum pump is started to discharge flying dust generated by the operation of the sand screening machine from the first exhaust cylinder 55 and the second exhaust cylinder 34, so that the harm to the environment is reduced.

Referring to fig. 1, a damper spring 21 is installed between the support frame 2 and the second filter assembly 4. When the sand screening machine operates, the motor drives the second filtering component 4 and the first filtering component 3 to vibrate, and at the moment, the damping spring 21 can reduce the vibration of the equipment and improve the stability of the equipment.

Referring to fig. 2, the conveyer belt 5 conveys the screened sand to a high place and sends the screened sand into the discharging hopper 6, then the screened sand enters the drying roller 7 from the discharging hopper 6, a base 8 is placed below the drying roller 7, the two horizontal ends of the drying roller 7 are rotationally connected with the base 8 along the axial direction through bearings, a gear 81 is installed on the base 8, the gear 81 is coaxially connected with a motor, a gear ring 71 is fixedly connected to the outer wall of the drying roller 7 along the circumferential direction, and the gear ring 71 is meshed with a gear on the base 8. When the motor rotates, the gear 81 on the base 8 rotates to drive the drying roller 7 to rotate, and besides, the motor can also drive the drying roller 7 to rotate in a belt transmission or chain transmission mode. The inner wall of the drying drum 7 is spirally fixed with a spiral blade 72, and when the drying drum 7 rotates, the sand in the drying drum 7 rotates from one end of the drying drum 7 close to the lower hopper 6 to one end far away from the lower hopper 6 along with the rotation of the spiral blade 72, and is finally discharged from the drying drum 7. In order to heat and dry the sand in the drying roller 7, the inner wall of the drying roller 7 is fixedly connected with a resistance wire, and the outer wall of the drying roller 7 is fixedly provided with a power supply electrically connected with the resistance wire. When the sand drying device is used, the resistance wires are electrified, and the sand is heated when rotating, so that the finally obtained sand meets the requirement of the humidity of the building.

Referring to fig. 2, when the sand rotates along with the rotation of the drying drum 7, in order to remove ferromagnetic substances from the sand, a magnetic rod 73 is connected inside the drying drum 7, two connecting rods 74 are fixed to the magnetic rod 73 in a radial direction by welding, the end of the connecting rod 74 away from the magnetic rod 73 is fixed to the drying drum 7, and the magnetic rod 73 is fixed to the axial center of the drying drum 7.

The working principle of the sand screening machine with the drying function is as follows:

firstly, the sand which is not screened is poured into the sand inlet hopper 1 and then falls into the first filter component 3, the sand which is not screened is discharged from the sand outlet 32 through the filtration of the first filter screen 31, the screened sand falls into the second filter component 4, then the sand which is not screened is discharged from the sand outlet 42 through the filtration of the second filter screen 41, and the screened sand falls into the conveyer belt 5. The motor connected to the conveyor belt 5 is switched on and the conveyor belt 5 transports the screened sand up into the discharge hopper 6 connected to the conveyor belt 5. In the sand screening process, the first protective cover 54 is arranged on the first filter component 3, and the second protective cover 33 is arranged above the conveying belt 5, so that the phenomenon that dust splashes on sand is avoided. In order to enable the filtered sand to meet the requirement of the use humidity of the building materials, resistance wires are arranged on the first protective cover 54 and the second protective cover 33, so that the resistance wires can heat and dry the sand in transportation.

Further, the sand screened by the hopper 6 enters the drying drum 7 under the action of gravity, the motor is turned on again, the drying drum 7 is rotated, the sand in the drying drum 7 can advance along the rotation of the drying drum 7 along the rotation of the helical blade 72 on the inner wall of the drying drum 7, and the sand is dried by the resistance wire on the inner wall of the drying drum 7. During the rotation, the ferromagnetic substance in the sand is adsorbed by the magnetic rod 73 inside the drying drum 7. Finally, the sand is discharged from the drying roller 7 in a rotating mode, the water content of the sand is reduced, and the screened sand meeting the screening requirement and the building humidity requirement can be obtained.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (7)

1. The utility model provides a screening sand machine with drying function, includes that support frame (2) and both ends install conveyer belt (5) on support frame (2), its characterized in that: the supporting frame (2) is positioned above the conveying belt (5) and is fixedly connected with a second filtering component (4), a first filtering component (3) and a sand inlet hopper (1) from bottom to top in sequence, the second filtering component (4) is connected with a vibrating motor, one end, close to the ground, of the second filtering component (4) is provided with a sand passing opening (42), one end, close to the ground, of the first filtering component (3) is provided with a sand outlet (32), one end, far away from the first filtering component (3), of the conveying belt (5) is provided with a blanking hopper (6), one end, far away from the conveying belt (5), of the blanking hopper (6) is connected with a drying roller (7), a base (8) is placed below the drying roller (7), the drying roller (7) is horizontally and rotatably supported on the base (8), the drying roller (7) is connected with a power component for driving the drying roller to rotate around a shaft, and a spiral blade (, the inner wall of the drying roller (7) is provided with a resistance wire, and the outer wall of the drying roller (7) is fixed with a power supply which is electrically connected with the resistance wire.

2. The sand screen with drying function according to claim 1, wherein: a first dust cover (54) is installed above the conveying belt (5), a resistance wire is tightly attached and fixed to the inner wall of the first dust cover (54), and the resistance wire is electrically connected with an external power supply.

3. The sand screen with drying function according to claim 2, wherein: and a second dust cover (33) is arranged above the first filtering component (3), a resistance wire is tightly attached and fixed to the inner wall of the second dust cover (33), and the resistance wire is electrically connected with an external power supply.

4. The sand screen with drying function according to claim 3, wherein: the first filter assembly (3) comprises a first filter screen (31), the second filter assembly (4) comprises a second filter screen (41), and the mesh diameter of the second filter screen (41) is smaller than that of the first filter screen (31).

5. The sand screen with drying function according to claim 4, wherein: the first dust cover (54) is fixed with a first exhaust tube (55) on the surface, the second dust cover (33) is fixed with a second exhaust tube (34), and the first exhaust tube (55) and the second exhaust tube (34) are respectively connected with an external vacuum pump.

6. The sand screen with drying function according to claim 5, wherein: and a damping spring (21) is arranged between the support frame (2) and the second filtering component (4).

7. The sand screen with drying function according to claim 6, wherein: a magnetic bar (73) is fixed inside the drying roller (7).

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