CN213612485U - Screening plant is used in concrete mixing plant batching - Google Patents

Abstract

The application relates to a screening device for batching in a concrete mixing plant, which comprises a rack and a screen drum rotatably arranged on the rack, wherein a bearing table is arranged on the rack in a lifting manner, and a lifting assembly for driving the bearing table to lift is arranged on the rack; the screen drum is arranged from one end of the rotating seat to one end far away from the rotating seat in a downward inclined manner; the movable mount pad that is provided with on the plummer, the mount pad with be provided with coupling assembling between the plummer, a sieve section of thick bamboo is kept away from the one end of rotating the seat rotate bear in the mount pad. This application has the effect of the inclination of an adjustable sieve section of thick bamboo, has improved the screening effect of husky material.

Description

Screening plant is used in concrete mixing plant batching

Technical Field

The application relates to the technical field of screening equipment, in particular to a screening device for batching of a concrete mixing plant.

Background

In the building construction, need screen the sand, filter debris such as the stone wherein from the sand, guarantee going on of follow-up work, on construction site before, generally utilize traditional artifical screening sand, it supports the screen cloth slope in the bottom surface, then fall the sand in the top of screen cloth through the manual work, the sand is at the in-process of screen cloth landing, the sand that is less than the screen cloth bore passes the screen cloth, the sand that is greater than the screen cloth bore is filtered and is slided to the screen cloth bottom, this method efficiency is lower, can not satisfy the demand of building to screening sand efficiency far away.

The existing sand screening comprises a vibrating sand screening machine and a roller sand screening machine, the vibrating sand screening machine generates vibration on a screen through a vibrating machine, the sand screening mode has great limitation, the screen generates up-and-down motion when the vibrating type is adopted, the cloud top direction of the screen is just the gravity direction of a screen, and the efficiency of the vibrator is not high.

The roller sand screening machine makes sand material flow downwards along the inclined angle of the screen drum, and drives the screen drum to rotate, so that the sand material does reciprocating motion along the net surface of the screen drum in the downward flowing process, the sand material rolls repeatedly and is dispersed and screened fully, and the working efficiency is high. However, the screen cylinder of most drum-type sand screening machines on the market has a fixed inclination angle, and it is difficult to adjust the inclination angle of the screen cylinder according to actual requirements.

SUMMERY OF THE UTILITY MODEL

The inclination in order to improve a sieve section of thick bamboo of current cylinder screening sand machine is difficult to carry out the phenomenon of adjusting according to the actual demand, and this application provides a screening plant is used in concrete mixing plant batching.

The application provides a concrete mixing plant batching uses screening plant adopts following technical scheme:

a screening device for batching in a concrete mixing plant comprises a rack and a screen drum rotatably arranged on the rack, wherein a bearing table is arranged on the rack in a lifting manner, and a lifting assembly for driving the bearing table to lift is arranged on the rack; the screen drum is arranged from one end of the rotating seat to one end far away from the rotating seat in a downward inclined manner;

the movable mount pad that is provided with on the plummer, the mount pad with be provided with coupling assembling between the plummer, a sieve section of thick bamboo is kept away from the one end of rotating the seat rotate bear in the mount pad.

By adopting the technical scheme, when sand screening is carried out, sand is fed into the screen cylinder from one end of the screen cylinder connected with the bearing frame, the screen cylinder is driven to rotate so that the sand flows along the net surface of the screen cylinder, and the sand is screened; when the inclination angle of the screen cylinder needs to be changed, the bearing platform can be driven to lift through the lifting assembly, so that the mounting seat is driven to lift, the height of the screen cylinder connected to one end of the mounting seat is changed, and the inclination angle of the screen cylinder is changed.

Preferably, lifting unit is including offering in bar groove and two on the frame slide and cooperate in the slider in bar groove, two the slider is located respectively the both ends in bar groove, the plummer articulates there are two connecting rods, two the connecting rod is kept away from the one end of plummer articulates respectively in two the slider, be provided with in the frame and be used for driving two sliders to be close to each other or the drive assembly that the direction that keeps away from each other removed.

Through adopting above-mentioned technical scheme, two sliders of drive assembly drive slide to the direction that is close to each other or keeps away from each other to change the inclination of two connecting rods, when the inclination of connecting rod changes, the connecting rod is connected in the one end of plummer and is changed apart from the height of frame, thereby makes the high position of mount pad change, so that the height that makes a sieve section of thick bamboo connect in the one end of mount pad changes, thereby realizes changing the inclination of a sieve section of thick bamboo.

Preferably, the driving assembly comprises a bidirectional screw rod arranged along the length direction of the strip-shaped groove, two ends of the bidirectional screw rod penetrate through the two sliders respectively and are in threaded connection with the two sliders, and a first motor used for driving the bidirectional screw rod to rotate is arranged on the rack.

Through adopting above-mentioned technical scheme, the two-way lead screw of first motor drive rotates to drive two sliders and remove to the direction that is close to each other or keeps away from each other, so that the inclination of two connecting rods changes, thereby makes the supporting height of plummer change, further makes the height of the mount pad of being connected with the plummer change, with the height that changes a bearing sieve section of thick bamboo, thereby changes the inclination of a sieve section of thick bamboo.

Preferably, a through hole is formed in the sliding block, a bolt penetrates through the through hole, a plurality of screw holes in threaded fit with the bolt are formed in the bottom of the strip-shaped groove, and the bolt penetrates through the through hole and then is in threaded fit with the screw holes.

Through adopting above-mentioned technical scheme, add the bolt and fix the slider for sieve husky in-process, the slider is difficult for taking place to slide, thereby makes the inclination of a sieve section of thick bamboo can be fixed.

Preferably, a plurality of the screw holes are distributed at equal intervals along the length direction of the strip-shaped groove.

Through adopting above-mentioned technical scheme to the sliding distance of uniform adjustment slider, thereby the lifting height of uniform adjustment plummer.

Preferably, the strip-shaped groove is a T-shaped groove, and the sliding block is a T-shaped block matched with the strip-shaped groove.

Through adopting above-mentioned technical scheme for the relative bar groove's of slider slip is more stable, and the slider is difficult to break away from with the bar groove.

Preferably, coupling assembling including along the length direction slip of a sieve section of thick bamboo set up in the articulated seat of plummer and rotation set up in the articulated shaft of articulated seat, be provided with articulated piece on the mount pad, articulated piece connect in the articulated shaft.

Through adopting above-mentioned technical scheme, a sieve section of thick bamboo is connected when the one end of mount pad is by the jacking, and the screen cloth is around bearing frame upset from top to bottom to drive the mount pad and take place the displacement, be connected through articulated seat between mount pad and the plummer, articulated seat slidable mounting is on the plummer simultaneously, when making the mount pad can take place the displacement, can also change the angle of support, thereby the upset of a adaptation sieve section of thick bamboo and the displacement and the angle that take place.

Preferably, the mounting seat is provided with a second motor for driving the screen drum to rotate, an output shaft of the second motor is connected with a speed reduction motor, and an output shaft of the speed reduction motor is connected to one end, close to the mounting seat, of the screen drum.

By adopting the technical scheme, when the sand screening work is carried out, sand enters the screen cylinder from one end, close to the bearing frame, of the screen cylinder, and the screen cylinder is driven to rotate by the second motor, so that the sand flows along the net surface of the screen cylinder, and the sand is screened more fully; the speed reduction motor plays a role in reducing the rotating speed of the second motor, so that the rotating speed of the screen drum is not too high.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the bearing table is driven to lift through the lifting assembly so as to change the height of the mounting seat, so that the height of one end, connected to the mounting seat, of the screen drum is changed, and the inclination angle of the screen drum is changed;

2. the slider is fixed by the additionally arranged bolt, so that the slider is not easy to slide in the sand screening process, and the inclination angle of the screen cylinder can be fixed.

Drawings

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

FIG. 2 is a partial cross-sectional view of the present application with the funnel removed;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic structural diagram for embodying a funnel in the present application.

Description of reference numerals: 1. a frame; 2. a screen cylinder; 3. a barrel frame; 4. a connecting shaft; 5. a carrier; 6. a rotating shaft; 7. a rotating seat; 8. a bearing table; 81. a chute; 9. a mounting seat; 10. a second motor; 11. a reduction motor; 12. a hinged seat; 121. a sliding part; 13. hinging a shaft; 14. a hinged block; 15. a strip-shaped groove; 16. a slider; 17. a connecting rod; 18. a bidirectional screw rod; 19. a first motor; 20. a support frame; 21. a funnel; 22. a discharge pipe; 23. a bolt; 24. and a screw hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

A screening device for batching in a concrete mixing plant, referring to figure 1, comprises a frame 1 and a screen drum 2 rotatably mounted on the frame 1. Wherein, a screen section of thick bamboo 2 is roughly the toper setting, and the both ends of a screen section of thick bamboo 2 are big mouth end and little mouth end respectively, and a screen section of thick bamboo 2 is the downward sloping setting from little mouth end to big mouth end. When screening sand material, sand material is sent into sieve section of thick bamboo 2 from the osculum end of sieve section of thick bamboo 2 in, through rotating sieve section of thick bamboo 2 to make sand material roll along the wire side of sieve section of thick bamboo 2, flow downwards along the inclination of sieve section of thick bamboo 2 simultaneously. In the flowing process of the sand material, the sand material with smaller particle size passes through the meshes of the screen cylinder 2 and falls below the screen cylinder 2, while the sand material with larger particle size is blocked in the screen cylinder 2, flows along the inclined direction of the screen cylinder 2 and is finally discharged from the large opening end of the screen cylinder 2.

Referring to fig. 1 and 2, the large opening end and the small opening end of the screen drum 2 are fixedly provided with drum frames 3, a connecting shaft 4 is connected between the two drum frames 3, and the connecting shaft 4 is arranged along the drum center direction of the screen drum 2. Two ends of the connecting shaft 4 respectively penetrate through the two barrel frames 3, and two ends of the connecting shaft 4 are fixedly connected with the two barrel frames 3.

Referring to fig. 1 and 2, a carriage 5 for carrying the small opening end of the screen drum 2 is mounted on the frame 1, and the carriage 5 spans the frame 1. The bearing frame 5 is fixedly provided with a rotating shaft 6, and the rotating shaft 6 crosses the machine frame 1. The rotating shaft 6 is rotatably connected with a rotating seat 7, and the rotating seat 7 can rotate around the rotating shaft 6. The rotating seat 7 is provided with a rotating hole, and one end of the connecting shaft 4 close to the small opening end of the screen is rotatably connected with the rotating hole. In this embodiment, a bearing (not shown) is sleeved on the connecting shaft 4, an inner ring of the bearing is fixedly connected with the connecting shaft 4, and an outer ring of the bearing is in clamping fit with the rotary hole.

Referring to fig. 2 and 3, a lifting/lowering platform 8 is further mounted on the frame 1, and the platform 8 is disposed opposite to the carriage 5. The movable mounting has the mount pad 9 that is used for bearing the macrostoma end of a sieve section of thick bamboo 2 on the plummer 8, installs second motor 10 on the mount pad 9, and the output shaft of second motor 10 has gear motor 11, and 11 right output shaft of gear motor connect in connecting axle 4, and drive connecting axle 4 rotates from this to drive sieve section of thick bamboo 2 and rotate.

Referring to fig. 2 and 3, a connection assembly is provided between the mount 9 and the platform 8. Specifically, the connecting assembly includes a hinge base 12 slidably mounted on the platform 8 and a hinge shaft 13 rotatably mounted on the hinge base 12. Wherein the hinge base 12 can slide along the length direction of the connecting shaft 4. In this embodiment, the bearing platform 8 is provided with a T-shaped sliding slot 81, and the hinged seat 12 is fixed with a T-shaped sliding portion 121 slidably engaged with the sliding slot 81, so that the hinged seat 12 slides more stably.

Referring to fig. 2 and 3, the connection assembly further includes a hinge block 14 fixed on the mounting seat 9, the hinge block 14 is fixedly connected with the hinge shaft 13 to realize that the mounting seat 9 is hinged to the hinge seat 12, and the hinge seat 12 is matched with the sliding connection of the bearing platform 8, so that the mounting seat 9 can rotate relative to the bearing platform 8 and can also slide relative to the bearing platform 8, thereby improving the flexibility of the mounting seat 9.

In addition, a lifting assembly for driving the bearing platform 8 to lift and lower so as to lift and lower the mounting seat 9 is also mounted on the frame 1.

Specifically, referring to fig. 2 and 3, the lifting assembly includes a strip-shaped groove 15 formed in the frame 1 and two sliders 16 slidably engaged with the strip-shaped groove 15, and the two sliders 16 are respectively located at two ends of the strip-shaped groove 15. In this embodiment, the slider 16 is a T-shaped block, and the strip-shaped groove 15 is a T-shaped groove adapted to the slider 16.

Referring to fig. 2 and 3, two sliding blocks 16 are hinged with connecting rods 17, and one ends of the two connecting rods 17 far away from the sliding blocks 16 are hinged with the bearing table 8. In this embodiment, two connecting rods 17 incline to set up and form the splayed structure to when making two sliders 16 of drive move to the direction that is close to each other or keeps away from each other, two connecting rods 17's inclination can change, thereby drive plummer 8 and go up and down.

Referring to fig. 2 and 3, a bidirectional screw rod 18 is rotatably mounted in the strip-shaped groove 15, the bidirectional screw rod 18 is arranged along the length direction of the strip-shaped groove 15, and two ends of the bidirectional screw rod 18 respectively penetrate through the two sliders 16 in a one-to-one correspondence manner and are in threaded connection with the two sliders 16. Still install on frame 1 and be used for driving two-way lead screw 18 pivoted first motor 19, the output shaft of first motor 19 is connected with the one end of two-way lead screw 18, drive two-way lead screw 18 through first motor 19 and rotate, because the both ends screw thread of two-way lead screw 18 is turned round to opposite, thereby make two sliders 16 move to the direction that is close to each other or keeps away from each other, the inclination that two sliders 16 removed in-process drive two connecting rods 17 changes, thereby make the height of plummer 8 change, drive mount pad 9 from this and go up and down, so that the one end that sieve section of thick bamboo 2 is connected in mount pad 9 overturns around pivot 6, realize from this that sieve section of thick bamboo 2 is connected in the height of the one end of mount pad 9, thereby realize changing the inclination of sieve section of.

In addition, referring to fig. 2, a vertical through hole is further formed in the slider 16, a bolt 23 penetrates through the through hole, a plurality of screw holes 24 in threaded fit with the bolt 23 are formed in the bottom of the strip-shaped groove 15, and the screw holes 24 are distributed at equal intervals along the length direction of the strip-shaped groove 15.

Referring to fig. 4, a support frame 20 is further installed on one side of the frame 1, and in conjunction with fig. 1, the support frame 20 is located on the side close to the small end of the screen drum 2. Install the funnel 21 that is used for holding husky material on support frame 20, the discharge gate of funnel 21 is connected with the discharging pipe 22 of slope, and the one end of discharging pipe 22 extends to the macrostoma end of a sieve section of thick bamboo 2, and discharging pipe 22 is the downward sloping setting from the one end of funnel 21 to the one end of a sieve section of thick bamboo 2 to add husky material to sieve husky work in a sieve section of thick bamboo 2.

The implementation principle of the application is as follows: sieve husky during operation, hold the husky material of required screening to funnel 21 to make husky material flow to the small-mouth end of a sieve section of thick bamboo 2, simultaneously, second motor 10 drive connecting axle 4 rotates, thereby makes a sieve section of thick bamboo 2 rotate, so that the husky material in a sieve section of thick bamboo 2 rolls along the wire side of a sieve section of thick bamboo 2, flows downwards along the inclination of a sieve section of thick bamboo 2 simultaneously. In the flowing process of the sand material, the sand material with smaller particle size passes through the meshes of the screen cylinder 2 and falls below the screen cylinder 2, while the sand material with larger particle size is blocked in the screen cylinder 2, flows along the inclined direction of the screen cylinder 2 and is finally discharged from the large opening end of the screen cylinder 2.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, 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 concrete mixing plant is screening plant for batching, include frame (1) and rotate set up in a sieve section of thick bamboo (2) in frame (1), its characterized in that: a bearing table (8) is arranged on the rack (1) in a lifting manner, and a lifting assembly for driving the bearing table (8) to lift is arranged on the rack (1); the screen drum type screen is characterized in that the rack (1) is also provided with a bearing frame (5), the bearing frame (5) is rotatably provided with a rotating seat (7), one end of the screen drum (2) is rotatably connected to the rotating seat (7), and the screen drum (2) is obliquely downwards arranged from one end of the rotating seat (7) to one end far away from the rotating seat (7);

the utility model discloses a sieve section of thick bamboo, including plummer (8), plummer (8) go up the activity and be provided with mount pad (9), mount pad (9) with be provided with coupling assembling between plummer (8), a sieve section of thick bamboo (2) are kept away from the one end of rotating seat (7) rotate bear in mount pad (9).

2. A screening device for concrete batching plant according to claim 1, characterized in that: lifting unit is including seting up in bar groove (15) and two on frame (1) slide and cooperate in slider (16) of bar groove (15), two slider (16) are located respectively the both ends in bar groove (15), plummer (8) articulate there are two connecting rods (17), two connecting rod (17) are kept away from the one end of plummer (8) articulates respectively in two slider (16), be provided with on frame (1) and be used for driving two slider (16) to being close to each other or the drive assembly that the direction that keeps away from each other removed.

3. A screening device for concrete batching plant according to claim 2, characterized in that: the driving assembly comprises a bidirectional screw rod (18) arranged along the length direction of the strip-shaped groove (15), two ends of the bidirectional screw rod (18) are respectively penetrated through and in threaded connection with the two sliding blocks (16), and a first motor (19) used for driving the bidirectional screw rod (18) to rotate is arranged on the rack (1).

4. A screening apparatus as claimed in claim 3, wherein: the slider (16) is provided with a through hole, a bolt (23) penetrates through the through hole, the bottom of the strip-shaped groove (15) is provided with a plurality of screw holes (24) which are in threaded fit with the bolt (23), and the bolt (23) penetrates through the through hole and then is in threaded fit with the screw holes (24).

5. A screening device for concrete batching plant according to claim 4, characterized in that: the screw holes (24) are distributed at equal intervals along the length direction of the strip-shaped groove (15).

6. A screening apparatus as claimed in claim 3, wherein: the strip-shaped groove (15) is a T-shaped groove, and the sliding block (16) is a T-shaped block matched with the strip-shaped groove (15).

7. A screening device for concrete batching plant according to claim 1, characterized in that: coupling assembling including along the length direction of a sieve section of thick bamboo (2) slide set up in articulated seat (12) and the rotation of plummer (8) set up in articulated shaft (13) of articulated seat (12), be provided with articulated piece (14) on mount pad (9), articulated piece (14) connect in articulated shaft (13).

8. A screening device for concrete batching plant according to claim 1, characterized in that: the screen drum is characterized in that a second motor (10) used for driving the screen drum (2) to rotate is arranged on the mounting seat (9), an output shaft of the second motor (10) is connected with a speed reducing motor (11), and an output shaft of the speed reducing motor (11) is connected to one end, close to the mounting seat (9), of the screen drum (2).

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