CN216988645U - Rolling screen for machine-made sand production - Google Patents

Abstract

The application discloses roll screen is used in machine-made sand production, including housing and frame, the housing is installed in the frame, the one end of housing is equipped with the inlet pipe, be equipped with screening subassembly in the housing, screening subassembly sets up the drum sieve in the housing and is used for driving drum sieve pivoted first driving piece including rotating, the drum sieve slope sets up in the housing, the higher one end and the inlet pipe intercommunication of drum sieve, the below that lies in the drum sieve in the housing is equipped with the filter screen that incline direction and drum sieve are the same, all be connected with many springs between the both ends of filter screen and the housing, one side that the housing lies in the lower one end of drum sieve is equipped with the workbin, the intermediate position that connects the workbin is equipped with the baffle, connect the cavity and the drum sieve intercommunication that the workbin lies in the baffle top, connect the cavity that the workbin lies in the baffle and the housing intercommunication that lies in the filter screen below, the housing bottom is equipped with the dust absorption subassembly that is used for absorbing the dust. This application can reduce the wafing of dust when screening the mechanism sand.

Description

Rolling screen is used in production of mechanism sand

Technical Field

The application relates to the field of rolling screens, in particular to a rolling screen for machine-made sand production.

Background

The machine-made sand generally refers to artificial sand, also called broken sand, which is processed by repeatedly breaking broken stones and gravels by a sand making machine to a particle size of less than 4.75 mm, and the manufacturing process of the machine-made sand comprises the steps of repeatedly breaking broken stones and then screening, and usually needs to be screened for many times to meet the requirement.

At present, when the rubble to processing is screened, adopt the roll screen to filter the rubble usually, the rubble of big granule is screened out, and the less mechanism sand of granule diameter that has can be filtered, and the roll screen is when screening mechanism sand, because contains a large amount of dusts in the mechanism sand, the dust can fly away everywhere in the screening process, also can harm staff's healthy when can causing the pollution to the environment.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that can produce a large amount of dusts when the screening machine system sand of roll screen, this application provides a roll screen is used in mechanism sand production.

The application provides a rolling screen for machine-made sand production adopts following technical scheme.

A rolling screen for machine-made sand production comprises a housing and a frame, wherein the housing is installed on the frame, one end of the housing is provided with an inlet pipe, a screening component is arranged in the housing and comprises a rotary screen and a first driving piece, the rotary screen is rotatably arranged in the housing, the first driving piece is used for driving the rotary screen to rotate, the rotary screen is obliquely arranged in the housing, the higher end of the rotary screen is communicated with the inlet pipe, a filter screen with the same inclination direction as that of the rotary screen is arranged below the rotary screen in the housing, the filter diameter of the filter screen is smaller than that of the rotary screen, a plurality of springs are connected between the two ends of the filter screen and the housing, one side of the housing, which is positioned at the lower end of the rotary screen, is provided with a material receiving box, a partition plate is arranged at the middle position of the material receiving box, a cavity of the material receiving box, which is positioned above the partition plate, is communicated with the rotary screen, and a cavity of the material receiving box, which is positioned below the partition plate, is communicated with the housing, which is positioned below the filter screen, and a dust suction assembly for absorbing dust is arranged at the bottom of the housing.

Through adopting above-mentioned technical scheme, when screening machine-made sand, drop machine-made sand into the drum sieve from the inlet pipe, the drum sieve rotates under the effect of first driving piece, screen machine-made sand, less granule is filtered on the filter screen, great machine-made sand granule falls in the cavity that connects the workbin top along the drum sieve of slope, machine-made sand that drops on the filter screen causes the impact to the filter screen through the impact force of self gravity, make the spring flexible, make the filter screen vibration appear, screen machine-made sand, less dust is absorbed by the dust absorption subassembly through the filter screen, machine-made sand of great granule enters into through the filter screen of slope and connects the workbin, make whole screening in-process can reduce wafing of dust in the machine-made sand, the influence to environment and staff health has been reduced.

Optionally, a vibrating part is arranged in the housing and connected with the filter screen.

Through adopting above-mentioned technical scheme, when screening machine-made sand, can make the filter screen keep the vibration state all the time through opening the vibrating piece, the machine-made sand that is filtered on the filter screen has been divided under the vibration of filter screen, can filter less granule in the machine-made sand more effectively for the filter effect of filter screen is better, avoids the machine-made sand to pile up in a large number and roughly the not good condition appearance of filter effect on the filter screen.

Optionally, baffles are arranged on two sides of the filter screen in the vertical direction.

Through adopting above-mentioned technical scheme, send out the baffle of filter screen both sides and can block the mechanism sand that drops on the filter screen, avoid the filter screen all to fall the housing bottom from filter screen border position with the mechanism sand in the vibration process.

Optionally, a cleaning assembly is arranged at the top in the housing and comprises a brush with the same length as that of the drum screen, the brush is obliquely arranged at the top in the housing, the oblique direction and the angle of the brush are the same as those of the drum screen, and bristles of the brush abut against the drum screen.

Through adopting above-mentioned technical scheme, have some extension system sand in the long-time use of drum sieve and stay on the filtration pore of drum sieve, can exert an influence to the screening effect of drum sieve, the drum sieve is rotating the in-process, and the brush can clear up the surface of drum sieve, clears up the mechanism sand in the filtration pore for the clearance of drum sieve is more convenient.

Optionally, the cleaning assembly further comprises a second driving member for driving the brush to move vertically, and the second driving member is disposed on the housing.

Through adopting above-mentioned technical scheme, the second driving piece can make the vertical removal of brush, and when the drum sieve normally worked, the second driving piece made the brush keep away from the drum sieve, can reduce the possibility of brush damage, increases the life of brush, when needing to the drum sieve clearance, makes the brush remove to the drum sieve on, clears up the drum sieve.

Optionally, the dust collection assembly includes a dust collector and a dust collection box, the dust collection box is communicated with the bottom of the housing, and the air exhaust end of the dust collector is communicated with the dust collection box.

By adopting the technical scheme, the dust collector absorbs dust generated during screening in the housing into the dust collecting box, so that the accumulation of the dust in the housing can be reduced.

Optionally, the bottom of the housing is inclined downwardly towards a position communicating with the dust box.

Through adopting above-mentioned technical scheme, the dust that is filtered by the filter screen can be absorbed in the dust collecting tank better through the housing bottom of slope, can reduce the dust of piling up in the housing bottom as far as possible.

Optionally, a sealing plate for sealing the feeding pipe is arranged in the feeding pipe, one end of the sealing plate is hinged to the inner wall of the feeding pipe, and a torsion spring for resetting the sealing plate is arranged on a hinged shaft of the sealing plate and the feeding pipe.

Through adopting above-mentioned technical scheme, when through the inlet pipe material loading, the mechanism sand makes the closing plate rotate to open to the closing plate impact, and the closing plate seals the inlet pipe under the effect of torsional spring after the material loading is accomplished, can avoid the dust to fly away from the inlet pipe at the screening in-process.

In summary, the present application includes at least one of the following advantages:

1. the drum screen filters smaller machine-made sand onto the filter screen, the machine-made sand falling on the filter screen impacts the filter screen to enable the spring to stretch and retract, the filter screen vibrates, smaller particles and dust in the machine-made sand are filtered, and the dust in the machine-made sand after screening is less through absorption of the dust absorption assembly, so that the dust in the machine-made sand is effectively reduced;

2. the vibrating part makes the filter screen vibrate, can make the mechanism sand dispersion that drops on the filter screen, avoids the mechanism sand to pile up on the filter screen for the screening effect of filter screen is better.

Drawings

FIG. 1 is a schematic structural diagram of a rolling screen for machine-made sand production according to an embodiment of the present application.

Fig. 2 is a sectional view taken along line a-a of fig. 1.

Fig. 3 is an enlarged view of a portion B in fig. 2.

Description of the reference numerals:

1. a housing; 11. a feeding pipe; 111. a sealing plate; 112. a torsion spring; 12. a filter screen; 13. a spring; 14. a material receiving box; 141. an upper chamber; 142. a lower cavity; 143. closing the plate; 15. a partition plate; 16. a vibrating member; 17. a baffle plate; 18. a discharge hole; 19. a material receiving plate; 2. a frame; 3. a screen assembly; 31. a drum screen; 32. a first driving member; 33. a rotating shaft; 4. a cleaning assembly; 41. a brush; 42. a second driving member; 5. a dust collection assembly; 51. a vacuum cleaner; 52. a dust collection box.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a rolling screen is used in machine-made sand production. Referring to fig. 1 and 2, the rolling screen for machine-made sand production comprises a housing 1 and a frame 2, wherein the housing 1 is installed on the frame 2, and a screening assembly 3 is installed in the housing 1. Screening subassembly 3 includes open drum sieve 31 in both ends and first driving piece 32, and drum sieve 31 is the tilt state and installs in housing 1, and along self length direction coaxial be provided with pivot 33 in the drum sieve 31, the both ends of pivot 33 are rotated and are set up on housing 1's inner wall, and first driving piece 32 is installed on housing 1's outer wall and is connected with the lower one end in pivot 33 position, and first driving piece 32 uses the motor in this embodiment. The side of the housing 1, which is located at the higher end of the drum screen 31, is provided with a feed pipe 11, and one end of the feed pipe 11 extends into the housing 1 and is inserted into the drum screen 31.

A filter screen 12 is arranged below the rotary screen 31 in the housing 1, the filter screen 12 is in an inclined state, and the inclined direction and the angle of the filter screen 12 are the same as those of the rotary screen 31. Housing 1 is located the one side of keeping away from inlet pipe 11 and has seted up two discharge openings 18, and two discharge openings 18 are located the below of drum sieve 31 and filter screen 12 respectively, and the position slope that is located two 18 diapire of discharge openings in housing 1 installs and connects flitch 19, and the incline direction is the same with drum sieve 31, and two are connect flitch 19 to be located the below of drum sieve 31 and filter screen 12 respectively, and the one end of filter screen 12 is located the flitch 19 that connects of below. A plurality of springs 13 are arranged at two ends of the filter screen 12, and the springs 13 at two ends of the filter screen 12 are respectively arranged on the inner walls at two ends of the housing 1. The less mechanism sand of granule and dust are filtered filter screen 12 through drum sieve 31 on, and the mechanism sand causes the impact through the impact force of self gravity to filter screen 12, makes spring 13 flexible, makes filter screen 12 appear vibrating, sieves the mechanism sand for filter screen 12's screening effect is better.

The cover shell 1 is provided with a material receiving box 14 at one side provided with the discharge hole 18, a partition plate 15 is transversely arranged in the middle of the material receiving box 14, the material receiving box 14 is divided into an upper cavity 141 and a lower cavity 142 by the partition plate 15, a sealing plate 143 is arranged at one side of the material receiving box 14 away from the cover shell 1 and at the positions of the upper cavity 141 and the lower cavity 142, the upper cavity 141 is communicated with the discharge hole 18 above, the machine-made sand in the trommel screen 31 falls into the upper cavity 141 of the material receiving box 14, the lower cavity 142 is communicated with the discharge hole 18 below, the machine-made sand on the filter screen 12 can fall into the lower cavity 142 of the material receiving box 14, and the machine-made sand in the material receiving box 14 can be dismounted by opening the sealing plate 143.

Referring to fig. 1 and 2, a dust collection assembly 5 is further installed at the bottom of the housing 1, the dust collection assembly 5 includes a dust collector 51 and a dust collection box 52, the dust collection box 52 is located at the bottom of the housing 1 and is communicated with the center of the bottom of the housing 1, the dust collector 51 is located at one side of the dust collection box 52, the air suction end of the dust collector 51 is communicated with the dust collection box 52, and the dust collector 51 absorbs the dust and the small-sized machine-made sand filtered out from the filter screen 12 into the dust collection box 52, so that the content of the dust in the machine-made sand screened out finally is less, and the situation that the dust in the machine-made sand is scattered in the screening process and the blanking process can be avoided. The pollution to the environment and the harm to the health of workers are reduced.

In order to avoid the situation that a large amount of dust is accumulated at the bottom of the housing 1, the bottom of the housing 1 is inclined downwards towards the position connected with the dust collection box 52, so that the bottom of the housing 1 is in an inclined state, and in the dust collection process, smaller machine-made sand particles and dust can be better sucked into the dust collection box 52 through the inclined bottom of the housing 1, so that the dust collection effect of the dust collection assembly 5 is better, and the situation that a large amount of dust is accumulated at the bottom of the housing 1 is reduced.

In order to make the screening effect of filter screen 12 better, install vibrating member 16 on the inner wall of housing 1, the vibrator that 16 uses of vibrating member in this implementation, be connected vibrating member 16 with filter screen 12, when filter screen 12 filters, vibrating member 16 can make filter screen 12 shake always, make the mechanism sand that drops on filter screen 12 can disperse, avoid the mechanism sand to spill accumulational condition on the filter screen, make the filter effect of filter screen 12 better.

In order to avoid the situation that the filter screen 12 drops the machine-made sand from the edge to the bottom of the housing 1 in the vibration process, baffles 17 are arranged on two sides of the filter screen 12 along the vertical direction, and the lengths of the two baffles 17 are the same as the length of the filter screen. When the filter screen 12 is used for screening, the baffle 17 can block the mechanism sand on the filter screen 12, so that the mechanism sand is prevented from shaking off the filter screen 12 to the bottom of the housing 1.

Referring to fig. 2, since the drum screen 31 is sand-coated on the filter holes during a long period of use, the drum screen 31 is blocked, and the screening effect of the drum screen 31 is deteriorated, a cleaning assembly 4 for cleaning the drum screen 31 is installed at the top inside the housing 1, the cleaning assembly 4 includes a brush 41 and a second driving member 42 for vertically moving the brush 41, the brush 41 is installed at the top of the housing 1 in an inclined manner, the inclined direction and angle of the brush 41 are the same as those of the drum screen 31, and the length of the brush 41 is the same as that of the drum screen 31. The second driving member 42 is installed on the top of the housing 1, and in this embodiment, the second driving member 42 is an electric pushing cylinder, and the second driving member 42 can make the bristles of the brush 41 collide with the drum screen 31. When the trommel screen 31 needs to be cleaned, the second driving part 42 enables the brush 41 to abut against the trommel screen 31, the hairbrush 41 can clean machine-made sand in a filtering hole in the rotating process of the trommel screen 31, and when the trommel screen 31 normally works, the second driving part 42 enables the hairbrush 41 to be far away from the trommel screen 31, so that the possibility that the hairbrush 41 is damaged when abutting against the rotating trommel screen 31 for a long time is reduced.

Referring to fig. 2 and 3, in order to prevent dust generated by sieving from drifting out of the feed pipe 11 into the air during sieving, a sealing plate 111 is transversely installed in the feed pipe 11, one end of the sealing plate 111 is hinged to the inner wall of the feed pipe 11, and a torsion spring 112 for restoring the sealing plate 111 is installed on the hinge shaft between the sealing plate 111 and the feed pipe 11. When the feeding pipe 11 is used for feeding, the machine-made sand impacts the sealing plate 111 to enable the sealing plate 111 to rotate and open, and after the feeding is completed, the feeding pipe 11 is closed by the sealing plate 111 under the action of the torsion spring 112, so that dust can be prevented from being emitted out of the housing 1 from the feeding pipe 11 in the screening process.

The implementation principle of the rolling screen for producing the machine-made sand is as follows: the machine-made sand enters the drum screen 31 through the feeding pipe 11, the drum screen 31 rotates to screen the machine-made sand, the machine-made sand with larger particles enters the upper cavity 141 of the material receiving box 14 from the drum screen 31, the machine-made sand filtered by the drum screen 31 falls on the filter screen 12, the vibrating piece 16 vibrates the filter screen 12, the machine-made sand with smaller particles and dust are filtered to the bottom of the housing 1 and absorbed into the dust collecting box 52 through the dust collector 51, and the rest machine-made sand enters the lower cavity 142 of the material receiving box 14 through the filter screen 12.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a rolling screen is used in production of mechanism sand, includes housing (1) and frame (2), and housing (1) is installed on frame (2), its characterized in that: one end of the housing (1) is provided with a feeding pipe (11), a screening component (3) is arranged in the housing (1), the screening component (3) comprises a rotary screen (31) which is rotatably arranged in the housing (1) and a first driving piece (32) which is used for driving the rotary screen (31) to rotate, the rotary screen (31) is obliquely arranged in the housing (1), the higher end of the rotary screen (31) is communicated with the feeding pipe (11), a filtering net (12) which has the same oblique direction as the rotary screen (31) is arranged below the rotary screen (31) in the housing (1), the filtering diameter of the filtering net (12) is smaller than that of the rotary screen (31), a plurality of springs (13) are connected between the two ends of the filtering net (12) and the housing (1), and a material receiving box (14) is arranged on one side of the housing (1) which is positioned at the lower end of the rotary screen (31), connect the intermediate position of workbin (14) to be equipped with baffle (15), connect workbin (14) to be located the cavity and drum sieve (31) intercommunication of baffle (15) top, connect workbin (14) to be located baffle (15) below cavity and the housing (1) intercommunication that is located filter screen (12) below, housing (1) bottom is equipped with dust absorption subassembly (5) that are used for absorbing the dust.

2. The rolling screen for machine-made sand production according to claim 1, wherein: a vibrating piece (16) is arranged in the housing (1), and the vibrating piece (16) is connected with the filter screen (12).

3. The rolling screen for machine-made sand production of claim 2, wherein: baffles (17) are arranged on two sides of the filter screen (12) along the vertical direction.

4. The rolling screen for machine-made sand production of claim 1, wherein: the top in housing (1) is equipped with clean subassembly (4), clean subassembly (4) include brush (41) that length and drum sieve (31) length are the same, brush (41) slope sets up top and incline direction and angle in housing (1) and the same with drum sieve (31), the brush hair of brush (41) is contradicted in drum sieve (31).

5. The rolling screen for machine-made sand production according to claim 4, wherein: the cleaning assembly (4) further comprises a second driving part (42) used for driving the hairbrush (41) to move vertically, and the second driving part (42) is arranged on the housing (1).

6. The rolling screen for machine-made sand production of claim 1, wherein: the dust collection assembly (5) comprises a dust collector (51) and a dust collection box (52), the dust collection box (52) is communicated with the bottom of the housing (1), and the air suction end of the dust collector (51) is communicated with the dust collection box (52).

7. The rolling screen for machine-made sand production according to claim 6, wherein: the bottom of the housing (1) is inclined downwards towards the position communicated with the dust box (52).

8. The rolling screen for machine-made sand production according to claim 1, wherein: the feeding pipe (11) is internally provided with a sealing plate (111) used for sealing the feeding pipe (11), one end of the sealing plate (111) is hinged to the inner wall of the feeding pipe (11), and a torsion spring (112) used for resetting the sealing plate (111) is arranged on a hinged shaft of the sealing plate (111) and the feeding pipe (11).

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