CN212018506U

CN212018506U - Sandstone screening machine

Info

Publication number: CN212018506U
Application number: CN202020574629.8U
Authority: CN
Inventors: 邱毓军
Original assignee: Xiamen Huanjin Construction Waste Recycling Disposal Co ltd
Current assignee: Xiamen Huanjin Construction Waste Recycling Disposal Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-11-27
Anticipated expiration: 2030-04-17

Abstract

The utility model relates to a grit screening machine belongs to the building technology field, and it includes the support, sets firmly bank of screens on the support and the screen frame that has the vibration exciter, be provided with spring unit between screen frame and the bank of screens, the below of screen frame is provided with connects the silo, the screen frame includes the screen cloth and is located the baffle of screen cloth both sides, two the upper surface of baffle is provided with the cage, the below of screen cloth is provided with the raceway along its length direction, the one end intercommunication that the screen cloth was kept away from to the raceway has the water source, the lateral wall of raceway is provided with a plurality of shower nozzles, two the lower lateral wall of baffle is provided with the division board. The utility model discloses the effect that has the reduction flying dust.

Description

Sandstone screening machine

Technical Field

The utility model belongs to the technical field of the building, especially, relate to a grit screening machine.

Background

The sieving machine is a vibrating sieving mechanical device which utilizes the relative movement of bulk materials and a sieve surface to lead partial particles to penetrate through sieve pores and divide materials such as sand, gravel, broken stone and the like into different grades according to the particle size.

The utility model discloses a chinese utility model patent that bulletin number is CN205833609U discloses a shale shaker, its technical scheme main points are including the support, the bank of screens of rigid coupling on the support, screen frame including double-deck sieve, the rigid coupling just is used for supporting the spring unit of screen frame on the bank of screens, the vibration exciter of setting on the screen frame, the driver of drive vibration exciter and the silo that connects of setting below the screen frame, the screen frame slope sets up, it is higher to be close to feed direction one end, the rigid coupling has the baffle on the support, the baffle sets up in the lower one side of screen frame, the baffle below is provided with the accumulator, reached and to concentrate the collection not shone by the sieve material.

However, the shale shaker of similar above-mentioned patent among the prior art is when using, puts the raw materials on the screen frame by the feed end, drives and shakes a and spring unit cooperation and makes the screen frame vibrate for the support, and in the vibration process, qualified grit drops to connect the silo in, and unqualified grit leaves the shale shaker by the discharge end. In-process, the raw materials receive the vibration, produce the striking with the screen frame, can produce a large amount of flying dusts, seriously influence the production environment in workshop, increased the clearance amount of labour.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, the utility model aims at providing a grit screening machine with reduce flying dust.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a grit screening machine, includes the support, sets firmly bank of screens on the support and the screen frame that has the vibration exciter, be provided with spring unit between screen frame and the screen frame, the below of screen frame is provided with connects the silo, the screen frame includes the screen cloth and is located the baffle of screen cloth both sides, two the upper surface of baffle is provided with the cage, the below of screen cloth is provided with the raceway along its length direction, the one end intercommunication that the screen cloth was kept away from to the raceway has the water source, the lateral wall of raceway is provided with a plurality of shower nozzles, two the lower lateral wall of baffle is provided with the division board.

Through adopting above-mentioned technical scheme, the ore screening machine is carrying out the during operation, and the drive vibration exciter, the raw materials receive the vibration to produce the striking with the screen frame, the flying dust of production wafts from the screen cloth under the blockking of cage, and the water in the water source passes through raceway and shower nozzle, makes the flying dust subside, reaches the purpose of dust removal, prevents that the flying dust from wafting in the workshop, thereby avoids the flying dust to influence the production environment in workshop.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a screen cloth, including two division boards, the lateral wall of pivot is provided with the sieve piece, the lateral wall of pivot is provided with the clear sieve piece of gomphosis mutually with the sieve mesh of screen cloth, be provided with the drive on the support the pivot is along the length direction reciprocating motion's of guide way drive assembly.

Through adopting above-mentioned technical scheme, because the flying dust receives the influence of steam and has the possibility of agglomerating, when the flying dust or the grit of agglomerating were plugged up the sieve mesh of screen cloth, start drive assembly, drive assembly drives the pivot and rolls along the length direction of guide way, and at the rolling in-process of pivot, clear sieve piece embedding sieve is downthehole to clear out the plug from the sieve mesh, thereby avoid the screen cloth to block up, guarantee the normal clear of grit screening machine screening work.

Further, drive assembly is including setting up the motor on the support, the orientation of motor output lever is mutually perpendicular with pivot moving direction, be provided with on the output lever of motor and rotate the wheel, it just keeps away from the position of motor to rotate the wheel lateral wall and is provided with the actuating lever, the one end rotation setting of rotating the wheel is kept away from to the actuating lever in the pivot.

Through adopting above-mentioned technical scheme, when needs clear up the sieve mesh, starter motor, motor drive rotate the wheel and begin to rotate, rotate the wheel and rotate and make the actuating lever drive the pivot begin to carry out reciprocating rotation for the clearance sieve piece can be reciprocal and clear up the sieve mesh, thereby has improved the clearance efficiency of clearance sieve piece to the sieve mesh.

Further, the two ends of the rotating shaft are provided with idler wheels in rolling contact with the inner wall of the guide groove.

Through adopting above-mentioned technical scheme, the frictional force between pivot and the guide way inner wall can be reduced in the setting of gyro wheel to make the pivot can more smooth and easy slide along the length direction of guide way.

Furthermore, one side of the sieve cleaning block, which is far away from the rotating shaft, is provided with a guide fillet.

Through adopting above-mentioned technical scheme, the setting of fillet can provide the guide effect for clear sifter piece embedding sieve mesh, reduces the frictional force that clear sifter piece got into the sieve mesh and produced to be convenient for clear sifter piece gets into in the sieve mesh.

Furthermore, the water conveying pipe is provided with a shielding eave positioned above the water conveying pipe.

Through adopting above-mentioned technical scheme, shelter from the setting of eaves, can reduce the grit after the filtration and pound on raceway and shower nozzle to avoid raceway and shower nozzle to be pounded by the grit and badly influence its life.

Furthermore, the plurality of spray heads are uniformly distributed along the length direction of the water conveying pipe.

Through adopting above-mentioned technical scheme, a plurality of shower nozzles are along the length direction evenly distributed of raceway, can make the dust removal coverage of shower nozzle wider to make dust removal effect better.

Furthermore, an overflow port is arranged on the side wall of the material receiving groove and close to the top, and the overflow port is communicated with a water source.

Through adopting above-mentioned technical scheme, the water in the water delivery pipe removes dust through the shower nozzle blowout after, takes the fly ash to fall into and connects the silo to deposit, when connecing the silo internal water to reach the overflow mouth, the clear water inflow water in upper strata carries out cyclic utilization in the water source, reduces the waste of resource.

To sum up, the utility model discloses a following at least one useful technological effect:

when the ore screening machine works, the vibration exciter is driven, the raw materials are vibrated and collide with the screen body, the generated fly ash drifts out of the screen under the blocking of the isolation cover, and water in a water source passes through the water conveying pipe and the spray head, so that the fly ash is settled, the dust removal purpose is achieved, and the fly ash is prevented from drifting into a workshop, and the fly ash is prevented from influencing the production environment of the workshop;

when the sieve holes need to be cleaned, the motor is started, the motor drives the rotating wheel to start rotating, the rotating wheel rotates to enable the driving rod to drive the rotating shaft to start to rotate in a reciprocating mode, so that the sieve cleaning block can clean the sieve holes in a reciprocating mode, and the cleaning efficiency of the sieve cleaning block on the sieve holes is improved;

through the setting that shelters from the eaves, can reduce the grit after the filtration and pound to raceway and shower nozzle on to avoid raceway and shower nozzle to be smashed by the grit and damage and influence its life.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a partial schematic structural diagram of the present embodiment;

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

Reference numerals: 1. a support; 2. a screen frame; 3. a spring assembly; 4. a screen body; 41. screening a screen; 42. a baffle plate; 5. an isolation cover; 6. a separator plate; 7. a water delivery pipe; 8. a spray head; 9. a water source; 10. a water pump; 11. a guide groove; 12. a rotating shaft; 13. cleaning the sieve blocks; 14. a drive assembly; 141. a motor; 142. a rotating wheel; 143. a drive rod; 15. a fillet guide; 16. a roller; 17. covering the eaves; 18. an overflow port; 19. a first conduit; 20. a second conduit; 21. a vibration exciter; 22. a material receiving groove.

Detailed Description

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

Referring to fig. 1, for the utility model discloses a sandstone screening machine, including support 1, fixed mounting has bank of screens 2 on the support 1, installs spring unit 3 between bank of screens 2 and the support 1, and fixed mounting has screen frame 4 of vibration exciter 21 on the bank of screens 2, and screen frame 4 below has been placed and has been connect silo 22.

Combine as shown in fig. 2, screen frame 4 includes the screen cloth 41 of slope installation, the vertical welding in both sides of screen cloth 41 upper surface has baffle 42, the last surface mounting of two baffle 42 has cage 5, two baffle 42, cage 5 and screen cloth 41 enclose to close and constitute the sieve material passageway, the lower lateral wall of two baffle 42 is fixed with division board 6, install raceway 7 along its length direction in the below of screen cloth 41, a plurality of shower nozzles 8 towards screen cloth 41 are installed to the lateral wall of raceway 7, shower nozzle 8 adopts atomizer 8, the one end that screen cloth 41 was kept away from to raceway 7 has water source 9 through first pipeline 19 intercommunication, first pipeline 19 intercommunication has water pump 10, make the rivers in the water source 9 to raceway 7.

It is worth mentioning that the plurality of spray heads 8 are uniformly distributed along the length direction of the water conveying pipe 7, so that the effective dust removal coverage range of the spray heads 8 is wider, and the dust removal effect is better.

Then, referring to fig. 3, the opposite side walls of the two partition plates 6 are provided with guide grooves 11 along the length direction thereof, a rotating shaft 12 is installed between the two guide grooves 11 in a rolling manner, the outer side wall of the rotating shaft 12 is integrally formed with a cleaning block 13 engaged with the meshes of the screen 41, and the bracket 1 is provided with a driving assembly 14 for driving the rotating shaft 12 to reciprocate along the length direction of the guide grooves 11.

When fly ash is agglomerated or gravel causes the screen holes on the screen 41 to be blocked, the driving component 14 is started, the driving component 14 drives the rotating shaft 12 to roll along the length direction of the guide groove 11, and in the rolling process of the rotating shaft 12, the cleaning blocks 13 are embedded into the screen holes and clean out the blocking objects from the screen holes, so that the screen 41 is prevented from being blocked, and the normal operation of screening work of the gravel screening machine is ensured.

The driving assembly 14 includes a motor 141 fixed on the bracket 1, an output rod of the motor 141 faces a direction perpendicular to a moving direction of the rotating shaft 12, a rotating wheel 142 is installed on the output rod of the motor 141, a driving rod 143 is fixed on a side wall of the rotating wheel 142 and a position far away from the motor 141, and one end of the driving rod 143 far away from the rotating wheel 142 is rotatably connected with the rotating shaft 12. When the sieve pore needs to be cleaned up, starting motor 141, motor 141 drive and rotate wheel 142 and begin to rotate, rotate wheel 142 and rotate and make actuating lever 143 drive pivot 12 begin to carry out reciprocating rotation for clearance sieve piece 13 can be reciprocal and clear up the sieve pore, thereby has improved clearance efficiency of clearance sieve piece 13 to the sieve pore.

In order to facilitate the insertion of the cleaning blocks 13 into the screening holes, a fillet 15 is provided on the side of the cleaning blocks 13 remote from the shaft 12. The reduction of the fillet 15 provides a guiding function for the embedding of the cleaning sieve block 13 into the sieve hole, thereby facilitating the insertion of the cleaning sieve block 13 into the sieve hole.

Referring to fig. 1, rollers 16 are mounted on both ends of the rotary shaft 12 to be in rolling contact with the inner wall of the guide groove 11. The friction between the rotating shaft 12 and the inner wall of the guide groove 11 can be reduced by the roller 16, so that the rotating shaft 12 can slide more smoothly along the length direction of the guide groove 11.

In order to avoid the influence on the service life of the water conveying pipe 7 and the spray head 8 caused by the sand and stone smashing, a shielding eave 17 is arranged at the bottom of the screen 41 and above the water conveying pipe 7. The filtered sand and stones are prevented from being smashed on the water conveying pipe 7 and the spray head 8 through the shielding eaves 17, so that the damage to the water conveying pipe 7 and the spray head 8 is avoided.

It is worth mentioning that an overflow port 18 is opened at a position near the top of the side wall of the receiving groove 22, and the overflow port 18 is communicated with the water source 9 through a second pipeline 20. Water in the raceway 7 is through 8 spouts dust removals backs of shower nozzle, takes the fly ash to fall into and connects the silo 22 in to deposit, when connecing the silo 22 internal water to reach overflow mouth 18, the clear rivers of upper strata are gone into in the water source 9 and are recycled, reduce the waste of resource.

The implementation principle of the embodiment is as follows: when the ore screening machine works, the vibration exciter 21 is driven, the raw materials are vibrated and collide with the screen body 4, the generated fly ash drifts out of the screen 41 under the blocking of the isolation cover 5, and water in the water source 9 passes through the water conveying pipe 7 and the spray head 8, so that the fly ash is settled, the dust removal purpose is achieved, the fly ash is prevented from drifting into a workshop, and the fly ash is prevented from influencing the production environment of the workshop.

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

1. The utility model provides a grit screening machine, includes support (1), sets firmly bank of screens (2) on support (1) and screen frame (4) that have vibration exciter (21), be provided with spring assembly (3) between screen frame (4) and screen frame (2), the below of screen frame (4) is provided with connects silo (22), its characterized in that: the screen frame (4) include screen cloth (41) and baffle (42) that are located screen cloth (41) both sides, two the upper surface of baffle (42) is provided with cage (5), the below of screen cloth (41) is provided with raceway (7) along its length direction, the one end intercommunication that screen cloth (41) were kept away from in raceway (7) has water source (9), the lateral wall of raceway (7) is provided with a plurality of shower nozzles (8), two the lower lateral wall of baffle (42) is provided with division board (6).

2. A sand screen machine according to claim 1, characterised in that: two the relative lateral wall of division board (6) is provided with guide way (11) along its length direction, two roll between guide way (11) and be provided with pivot (12), the lateral wall of pivot (12) is provided with clear sieve piece (13) with the sieve mesh looks gomphosis of screen cloth (41), be provided with the drive on support (1) pivot (12) are along the length direction reciprocating motion's of guide way (11) drive assembly (14).

3. A sand screen machine according to claim 2, characterised in that: drive assembly (14) are including setting up motor (141) on support (1), the orientation of motor (141) output lever is mutually perpendicular with pivot (12) moving direction, be provided with on the output lever of motor (141) and rotate wheel (142), the position of rotating wheel (142) lateral wall and keeping away from motor (141) is provided with actuating lever (143), the one end rotation setting of rotating wheel (142) is kept away from in actuating lever (143) is on pivot (12).

4. A sand screen machine according to claim 3, characterised in that: and rollers (16) in rolling contact with the inner wall of the guide groove (11) are arranged at two ends of the rotating shaft (12).

5. A sand screen machine according to claim 2, characterised in that: and a guide fillet (15) is arranged on one side of the sieve cleaning block (13) far away from the rotating shaft (12).

6. A sand screen machine according to claim 1, characterised in that: the water delivery pipe (7) is provided with a shielding eave (17) positioned above the water delivery pipe.

7. A sand screen machine according to claim 1, characterised in that: the plurality of spray heads (8) are uniformly distributed along the length direction of the water conveying pipe (7).

8. A sand screen machine according to claim 1, characterised in that: an overflow port (18) is arranged on the side wall of the material receiving groove (22) and close to the top, and the overflow port (18) is communicated with a water source (9).