CN216173964U

CN216173964U - Grit screening plant

Info

Publication number: CN216173964U
Application number: CN202122305745.7U
Authority: CN
Inventors: 刑晓涛
Original assignee: Harbin Hengtai Stone Co ltd
Current assignee: Harbin Hengtai Stone Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-04-05
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a sand screening device, which comprises: mount and screening roller, the screening roller rotates the surface of connecting at the middle part of mount and screening roller and evenly is provided with a plurality of screening hole, the end of installing feeder hopper and feeder hopper on the lateral wall of mount extends to inside the screening roller, it is connected with the clearance roller still to rotate on the mount, the both sides upper portion of screening roller is arranged in respectively to the clearance roller be provided with two altogether, the surface of clearance roller is provided with a plurality of annular groove, and be formed with the clearance section between the adjacent recess, the surperficial even cloth of clearance section has the clearance awl. The sand and stone screening device screens sand and stone through the screening roller, the screening roller drives the cleaning roller to rotate while rotating, the cleaning cone on the surface of the cleaning roller penetrates into the screening holes after the cleaning roller rotates, and sand and stone embedded in the screening holes are extruded out of the screening holes and return to the interior of the screening roller again. The trouble of cleaning the screening holes in the working process is reduced, and the screening efficiency is ensured.

Description

Grit screening plant

Technical Field

The utility model relates to the technical field of sand and stone screening devices, in particular to a sand and stone screening device.

Background

Sandstone is one of the common materials in the construction field, and is often mixed with materials such as cement, lime and the like for use. The sieving machine is a vibrating sieving mechanical device which utilizes the inertia exciting force generated by a vibrating motor to make the bulk material and the sieve surface move relatively, thereby leading partial particles to penetrate through sieve pores and dividing the materials such as sand, gravel, broken stone and the like into different grades according to the particle size.

At present, current grit screening plant is at the in-process of screening the grit, and some anomalous grit block easily in the screening hole of screening roller to cause the screening hole to block up, block up the clearance of need shutting down when too much, influence screening efficiency. For this reason, a new scheme needs to be designed to give improvements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sand and stone screening device, which solves the problems that in the process of screening sand and stone, irregular sand and stone are easy to block in screening holes of a screening roller, so that the screening holes are blocked, and the screening efficiency is influenced because the machine needs to be stopped for cleaning when the blockage is too much in the existing sand and stone screening device, and meets the actual use requirements.

In order to achieve the purpose, the utility model provides the following technical scheme: a sand screening device comprising: mount and screening roller, the screening roller rotates the surface of connecting at the middle part of mount and screening roller and evenly is provided with a plurality of screening hole, install the end of feeder hopper and feeder hopper on the lateral wall of mount and extend to inside the screening roller, it is connected with the clearance roller still to rotate on the mount, the clearance roller is provided with two altogether and arranges the both sides upper portion of screening roller in respectively, the surface of clearance roller is provided with a plurality of annular groove, and adjacent be formed with the clearance section between the recess, the even cloth in surface of clearance section has the clearance awl, the screening hole on clearance awl tip and screening roller surface is inlayed and is connected.

In a preferred embodiment of the present invention, two ends of the cleaning roller are respectively provided with a rotating shaft and are rotatably connected with the fixed frame through the rotating shaft, one of the rotating shafts is provided with a driven gear, one end of the screening roller is provided with a main gear, and the main gear is in meshed connection with the driven gear.

As a preferred embodiment of the present invention, a supporting frame is installed on the inner side of the fixing frame, two supporting gears are rotatably connected to the supporting frame, and the supporting gears are respectively engaged with the lower ends of the two sides of the main gear.

As a preferred embodiment of the utility model, a plurality of limiting rings attached to the grooves are mounted on the surface of the screening roller, a transmission shaft is mounted in the middle of the screening roller, a connecting rod is mounted on the outer wall of the transmission shaft, and the end of the connecting rod is fixedly connected with the inner wall of the limiting ring.

As a preferred embodiment of the present invention, a motor is further installed at the end of the fixing frame, a power output end of the motor is connected with the transmission shaft, and a material guide plate is obliquely installed below the fixing frame and the motor.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the sand and stone are screened by the screening roller, the cleaning roller is driven to rotate while the screening roller rotates, the cleaning cone on the surface of the cleaning roller is pricked into the screening hole after the cleaning roller rotates, and the sand and stone embedded in the screening hole are extruded out of the screening hole and are returned to the inside of the screening roller again. The trouble of cleaning the screening holes in the working process is reduced, and the screening efficiency is ensured.

Drawings

FIG. 1 is a block diagram of a sand screening apparatus according to the present invention;

FIG. 2 is a middle cross-sectional view of a screen roll and a cleaning roll of the present invention;

FIG. 3 is a side view of a screen roller and a cleaning roller according to the present invention;

fig. 4 is an internal structural view of the sizing roll according to the present invention.

In the figure, 1, a fixed frame; 2. a feed hopper; 3. a rotating shaft; 4. a driven gear; 5. a groove; 6. a screening roller; 7. a cleaning section; 8. a drive shaft; 9. a motor; 10. a material guide plate; 11. a support frame; 12. a support gear; 13. a main gear; 14. cleaning the cone; 15. a connecting rod; 16. a limit ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a sand screening device comprising: mount 1 and screening roller 6, screening roller 6 rotates and connects evenly to be provided with a plurality of screening hole at the middle part of mount 1 and the surface of screening roller 6, install feeder hopper 2 and inside feeder hopper 2's end extends to screening roller 6 on the lateral wall of mount 1, it is connected with the cleaning roller still to rotate on mount 1, the cleaning roller is provided with two altogether and arranges screening roller 6's both sides upper portion respectively in, the surface of cleaning roller is provided with a plurality of annular groove 5, and be formed with clearance section 7 between the adjacent recess 5, the even cloth in surface of clearance section 7 has clearance awl 14, the connection is inlayed with the screening hole on screening roller 6 surface to 14 tip of clearance awl, screening roller 6 sieves inside grit when rotating, the screening in-process is through the clearance roller lasts to the screening hole clearance, guarantee the sustainable work of screening plant, and improve work efficiency.

Further improve ground, the axis of rotation 3 is installed respectively at the both ends of cleaning roller and is connected with the rotation of mount 1 through axis of rotation 3, installs driven gear 4 on one of them axis of rotation 3, and master gear 13 is installed to the one end of screening roller 6, and master gear 13 is connected with the meshing of driven gear 4, comes to driven gear 4 transmission through master gear 13, drives the cleaning roller and rotates.

In a further improvement, a supporting frame 11 is installed on the inner side of the fixing frame 1, two supporting gears 12 are rotatably connected to the supporting frame 11, the supporting gears 12 are respectively meshed with the lower ends of two sides of a main gear 13, and the supporting gears 12 and the end portions of the screening rollers 6 play a supporting role.

Further improve ground, the surface mounting of screening roller 6 has the spacing ring 16 of a plurality of and the laminating of recess 5, the mid-mounting of screening roller 6 has transmission shaft 8, install connecting rod 15 on the outer wall of transmission shaft 8, and the tip of connecting rod 15 and the inner wall fixed connection of spacing ring 16, spacing ring 16 plays limiting displacement to the cleaning roller, still strengthens screening roller 6's structural strength simultaneously, 8 rotations backs of transmission shaft drive whole rotations through connecting rod 15.

Specifically, the motor 9 is still installed at the end of the mount 1, the power output end of the motor 9 is connected with the transmission shaft 8, the guide plate 10 is obliquely installed below the mount 1 and located below the motor 9, the vibrating motor 9 is installed at the bottom of the guide plate 10, and sand and stones fall on the surface of the guide plate 10 and then are guided to the right side.

When the sand and stone screening device is used, sand and stones are guided into the screening roller 6 through the feed hopper 2, the motor 9 continuously drives the screening roller 6 to rotate, the sand and stones in the screening roller move to the tail end and are screened under the influence of the inclined screening roller 6, and small parts of sand and stones are clamped in the screening holes in the screening process; screening roller 6 rotates the in-process and drives the cleaning roller and rotate, and cleaning roller and screening roller 6 rotate simultaneously, and it is downthehole that cleaning cone 14 on cleaning roller surface continuously pricks the screening, pushes away downthehole grit to screening roller 6 inside, reduces the trouble that causes screening hole clearance, improves work efficiency.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A sand screening device comprising: mount (1) and screening roller (6), its characterized in that: screening roller (6) rotate connect evenly be provided with a plurality of screening hole in the middle part of mount (1) and the surface of screening roller (6), the end of installing feeder hopper (2) and feeder hopper (2) on the lateral wall of mount (1) extends to inside screening roller (6), it is connected with the cleaning roller still to rotate on mount (1), the cleaning roller is provided with two altogether and arranges the both sides upper portion of screening roller (6) in respectively, the surface of cleaning roller is provided with a plurality of annular groove (5), and adjacent be formed with clearance section (7) between recess (5), the even cloth in surface of clearance section (7) has clearance awl (14), clearance awl (14) tip is inlayed with the screening jogged joint on screening roller (6) surface.

2. A sand screening apparatus according to claim 1, wherein: rotation axis (3) are installed respectively at the both ends of clearance roller and are rotated with mount (1) through rotation axis (3) and be connected, one of them install driven gear (4) on rotation axis (3), master gear (13) are installed to the one end of screening roller (6), and master gear (13) are connected with driven gear (4) meshing.

3. A sand screening apparatus according to claim 1, wherein: the supporting frame (11) is installed to the inboard of mount (1), it is connected with two supporting gear (12) to rotate on supporting frame (11), supporting gear (12) mesh respectively and connect the both sides lower extreme at master gear (13).

4. A sand screening apparatus according to claim 1, wherein: the surface mounting of screening roller (6) has spacing ring (16) of a plurality of and recess (5) laminating, and the mid-mounting of screening roller (6) has transmission shaft (8), install connecting rod (15) on the outer wall of transmission shaft (8), and the inner wall fixed connection of the tip of connecting rod (15) and spacing ring (16).

5. A sand screening apparatus according to claim 1, wherein: the motor (9) is still installed to mount (1) end, the power take off end and the transmission shaft (8) of motor (9) are connected, mount (1) just is located the below slope of motor (9) and installs stock guide (10).