CN220195475U

CN220195475U - Sand and stone screening device

Info

Publication number: CN220195475U
Application number: CN202321497133.5U
Authority: CN
Inventors: 邵婧婧
Original assignee: China Construction Second Engineering Bureau Co Ltd
Current assignee: China Construction Second Engineering Bureau Co Ltd
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2023-12-19
Anticipated expiration: 2033-06-13

Abstract

The utility model belongs to the technical field of sand and stone processing, and discloses a sand and stone screening device which comprises a workbench, wherein a vibration contact plate is fixedly arranged in the middle of the top of the workbench, telescopic cylinders are respectively and fixedly arranged on the left side and the right side of the top of the workbench, which are far away from the vibration contact plate, the top of the telescopic cylinders is fixedly provided with a fixed sleeve ring, the inner wall of the fixed sleeve ring is movably provided with a screening roller, and one side of the fixed sleeve ring is movably provided with a driving shaft. According to the utility model, the vibration generated by knocking the outer surface of the screening roller through the cam shaft enables the screening roller to vibrate while rotating and screening sand and sand, so that the screening effect is better, and stones blocked inside the screening holes formed in the screening roller can be extruded and dropped through the contact between the outer surface of the extruding crawler belt and the outer surface of the screening roller, so that the blocking of the screening holes of the screening roller is reduced, the screening efficiency is improved, and the later maintenance time is reduced.

Description

Sand and stone screening device

Technical Field

The utility model belongs to the technical field of sand and stone processing, and particularly relates to a sand and stone screening device.

Background

The gravel mainly comprises gravel and stones, wherein the gravel is mostly used as a high-quality building material due to good hardness and stable chemical properties, but due to different purposes of the gravel and the stones, the gravel is required to be screened into gravel and stones before being used and conveyed to corresponding construction areas, so that the gravel is an indispensable material in construction engineering, the gravel is required to be screened in advance, the existing gravel screening equipment mostly adopts a roller or vibration mode to screen the gravel, but due to different sizes of the stones in the gravel, screening holes formed in the roller are blocked by the stones with small sizes, so that the sand and stone separation efficiency is reduced, the stones blocked in the later period need manual treatment by operators, and the later period of maintenance is long in time and time consuming and labor consuming.

Disclosure of Invention

(one) solving the technical problems

In order to solve the problems of blocking of screening holes, low screening efficiency and time and labor waste in later maintenance in the background technology, the utility model provides a sand and stone screening device.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a grit screening plant, includes the workstation, the middle part fixed mounting at workstation top has the vibrations contact plate, the left and right sides that the vibrations contact plate was kept away from at the top of workstation is fixed mounting respectively has flexible jar, the top fixed mounting of flexible jar has a fixed lantern ring, the inner wall movable mounting of fixed lantern ring has the screening cylinder, one side movable mounting of fixed lantern ring has the driving shaft, one side fixed mounting that the vibrations contact plate was kept away from at the top of workstation has the mount, the top surface fixed mounting of mount inner wall has the supporting wheel, one side movable mounting of mount inner wall has the fixed axle, one side fixed mounting of mount has the fixed plate, the opposite side movable mounting of fixed plate has the biax motor, the output and the other end fixed mounting of driving shaft of biax motor, one side fixed mounting that the outside of driving shaft is close to biax motor has the camshaft, one side fixed mounting that the outside is close to the fixed lantern ring has the drive wheel, the surface movable sleeve of fixed axle has the extrusion track.

Preferably, a plurality of screening holes are formed in the screening roller at equal intervals, and the outer surface of the driving wheel is contacted with the outer surface of the screening roller.

Preferably, the inner wall of the extruding crawler belt is movably sleeved with the outer surface of the supporting wheel.

Preferably, the telescopic cylinders are six and are arranged in a group, and each group of telescopic cylinders is fixedly arranged at the left end and the right end of the top of the workbench.

Preferably, the fixing frame, the fixing sleeve ring, the fixing shaft, the supporting wheel, the driving shaft and the cam shaft are bilaterally symmetrical by taking the workbench as a center shaft, and two fixing shafts are movably installed on the left side and the right side of the inner walls of the two fixing frames respectively.

Preferably, the extruding crawler belt is made of wear-resistant cloth, and the vibration contact plate is arc-shaped.

Preferably, the top of vibrations contact plate has seted up the discharge opening, the bottom fixed mounting of workstation has the support, the support has four and distributes in the four corners of workstation bottom.

(III) beneficial effects

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

according to the utility model, the vibration generated by knocking the outer surface of the screening roller through the cam shaft enables the screening roller to vibrate while rotating and screening sand and sand, so that the screening effect is better, and stones blocked inside the screening holes formed in the screening roller can be extruded and dropped through the contact between the outer surface of the extruding crawler belt and the outer surface of the screening roller, so that the blocking of the screening holes of the screening roller is reduced, the screening efficiency is improved, and the later maintenance time is reduced.

Drawings

FIG. 1 is a schematic view of the overall appearance of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the present utility model;

FIG. 3 is a schematic diagram of the dual motor and screening drum combination of the present utility model;

fig. 4 is a schematic view of the external structure of the present utility model.

In the figure: 1. a work table; 2. a fixing frame; 3. a telescopic cylinder; 4. a fixed collar; 5. a screening drum; 6. a fixed shaft; 7. a support wheel; 8. extruding the crawler belt; 9. a driving shaft; 10. a biaxial motor; 11. a cam shaft; 12. a fixing plate; 13. vibrating the contact plate; 14. a driving wheel; 15. and (3) a bracket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 4, the utility model provides a sand screening device, which comprises a workbench 1, a vibration contact plate 13 is fixedly arranged in the middle of the top of the workbench 1, telescopic cylinders 3 are fixedly arranged at the left and right sides of the top of the workbench 1 far away from the vibration contact plate 13, a fixed collar 4 is fixedly arranged at the top of the telescopic cylinders 3, a screening roller 5 is movably arranged on the inner wall of the fixed collar 4, a driving shaft 9 is movably arranged at one side of the fixed collar 4, a fixed frame 2 is fixedly arranged at one side of the top of the workbench 1 far away from the vibration contact plate 13, a supporting wheel 7 is fixedly arranged on the top surface of the inner wall of the fixed frame 2, a fixed shaft 6 is movably arranged at one side of the inner wall of the fixed frame 2, a fixed plate 12 is fixedly arranged at one side of the fixed frame 2, a double-shaft motor 10 is fixedly arranged at the other side of the fixed plate 12, the output end of the double-shaft motor 10 and the other end of the driving shaft 9 are fixedly arranged, a cam shaft 11 is fixedly arranged at one side of the outer part of the driving shaft 9 near the double-shaft motor 10, a driving wheel 14 is fixedly arranged at one side of the outer surface of the driving shaft 6 near the fixed collar 4, an extruding crawler 8 is movably sleeved at the outer surface of the fixed shaft 6, a plurality of driving wheel holes are formed at equal intervals in the inner surface of the screening roller 5, a plurality of screening holes are formed at the outer surfaces of the driving roller 14 and are contacted with the outer surface of the screening roller 5,

the scheme is adopted: the double-shaft motor 10 is fixedly arranged on the driving shaft 9, the cam shaft 11 and the driving wheel 14 and enables the driving shaft 9, the cam shaft 11 and the driving wheel 14 to rotate, wherein the driving shaft 9 is fixedly arranged on the fixing sleeve ring 4, the outer surface of the driving wheel 14 is contacted with the outer surface of the screening roller 5 and drives the screening roller 5 to rotate, the cam shaft 11 is used for knocking the outer surface of the screening roller 5 to achieve the vibration effect through rotation, meanwhile, the top of the workbench 1 is fixedly arranged at the bottom of the vibration contact plate 13, one side of the vibration contact plate 13 is arranged below the cam shaft 11, when the cam shaft 11 is contacted with one side of the vibration contact plate 13, the cam shaft 11 is integrally lifted, the outer surface of the screening roller 5 is contacted with the outer surface of the extruding crawler belt 8, so that stones blocked in the screening holes inside the screening roller 5 are extruded and fall, the double-shaft motor 10 is movably arranged on the fixing plate 12, the rotation work is continuously carried out while the screening roller 5 is rotated and the blocking problem is reduced while the rotation vibration is carried out, and the working efficiency is improved.

As shown in fig. 2, 3 and 4, the inner wall of the extruding crawler 8 is movably sleeved with the outer surface of the supporting wheel 7, six telescopic cylinders 3 are arranged in a group, each group of telescopic cylinders 3 is fixedly installed at the left end and the right end of the top of the workbench 1 respectively, the fixing frame 2, the fixing sleeve ring 4, the fixing shaft 6, the supporting wheel 7, the driving shaft 9 and the cam shaft 11 are symmetrically arranged on the left side and the right side of the inner wall of the two fixing frames 2 by taking the workbench 1 as a center shaft, the fixing shaft 6 is movably installed at the left side and the right side of the inner wall of the two fixing frames 2 respectively, the extruding crawler 8 is made of wear-resistant cloth, the vibration contact plate 13 is in an arc shape, discharge holes are formed in the top of the vibration contact plate 13, the bottom of the workbench 1 is fixedly installed with the support 15, and the support 15 is distributed at four corners of the bottom of the workbench 1.

The scheme is adopted: through extrusion track 8 and supporting wheel 7 activity cup joint, improve the work efficiency of extrusion track 8 when making extrusion track 8 surface and screening cylinder 5 surface contact, make extrusion track 8's life improve through extrusion track 8's material design, make the gravel that the screening was accomplished can follow the discharge gate and flow out and reach the bottom of device through the discharge gate at vibrations contact plate 13 top and the quantity design of support 15.

The working principle and the using flow of the utility model are as follows:

the operator starts the machine, at this moment, the two ends of the output shaft of the double-shaft motor 10 drive the driving shaft 9, the cam shaft 11 and the driving wheel 14 on two sides to rotate respectively, wherein the outer surface of the driving wheel 14 contacts with the outer surface of the sieving roller 5, thereby driving the sieving roller 5 to rotate, the cam shaft 11 drives the sieving roller 5 to rotate while rotating through the double-shaft motor 10 and knocking the outer surface of the sieving roller 5 to generate vibration, so as to achieve better sieving effect, then the unscreened sand is poured from one side of the sieving roller 5, at this moment, the sand screens out part of sand through the sieving holes formed in the sieving roller 5, at this moment, the sand which is not successfully screened is scattered by the rotation of the sieving roller 5 and the vibration generated by the cam shaft 11 knocking the outer surface of the sieving roller 5, thereby improving the sand sieving efficiency, the gravel at this time falls to the top of the vibration contact plate 13 through the screening hole formed in the inner wall of the screening drum 5, and is discharged from the discharge hole formed in the top of the vibration contact plate 13, and the gravel flows out from the other end of the screening drum 5, when the cam shaft 11 rotates, the outer wall of the screening drum 5 is knocked and the edge of the vibration contact plate 13 is knocked, so that the height of the screening drum 5 and the fixed collar 4 is indirectly raised, when the screening drum 5 ascends, the outer surface of the screening drum 5 contacts with the outer surface of the extruded crawler belt 8, and the gravel blocked inside the screening hole formed in the surface of the screening drum 5 is rubbed and falls into the screening drum 5, and because the double-shaft motor 10 and the fixed plate 12 are movably mounted, the driving shaft 9 and the fixed collar 4 are fixedly mounted, so that when the screening drum 5 ascends, the driving shaft 9 and the double-shaft motor 10, the cam shaft 11 and the driving wheel 14 will also be lifted up, and the rotation and vibration of the screening drum 5 will not be stopped, all the above.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a grit screening plant, includes workstation (1), its characterized in that: the middle part fixed mounting at workstation (1) top has vibrations contact plate (13), the left and right sides that vibrations contact plate (13) were kept away from at the top of workstation (1) is fixed mounting respectively has telescopic cylinder (3), the top fixed mounting of telescopic cylinder (3) has fixed lantern ring (4), the inner wall movable mounting of fixed lantern ring (4) has screening cylinder (5), one side movable mounting of fixed lantern ring (4) has driving shaft (9), one side fixed mounting that vibrations contact plate (13) was kept away from at the top of workstation (1) has mount (2), the top surface fixed mounting of the inner wall of mount (2) has supporting wheel (7), one side movable mounting of the inner wall of mount (2) has fixed axle (6), one side fixed mounting of mount (2) has fixed plate (12), the opposite side movable mounting of fixed plate (12) has biax motor (10), the output of biax motor (10) is close to the other end fixed mounting of driving shaft (9), one side fixed mounting of driving shaft (9) outside of driving shaft (11) is close to driving shaft (9), one side fixed mounting of driving shaft (14) is close to driving shaft (4), the outer surface of the fixed shaft (6) is movably sleeved with an extrusion crawler belt (8).

2. The sand screening device of claim 1, wherein: the inside equidistance of screening cylinder (5) has offered a plurality of screening hole, the surface of drive wheel (14) contacts with the surface of screening cylinder (5).

3. The sand screening device of claim 1, wherein: the inner wall of the extruding crawler belt (8) is movably sleeved with the outer surface of the supporting wheel (7).

4. The sand screening device of claim 1, wherein: six telescopic cylinders (3) are arranged in a group, and each group of telescopic cylinders (3) are fixedly arranged at the left end and the right end of the top of the workbench (1) respectively.

5. The sand screening device of claim 1, wherein: the fixing frame (2), the fixing sleeve ring (4), the fixing shaft (6), the supporting wheel (7), the driving shaft (9) and the cam shaft (11) are bilaterally symmetrical by taking the workbench (1) as a central shaft, and the fixing shaft (6) is movably installed on the left side and the right side of the inner walls of the two fixing frames (2) respectively.

6. The sand screening device of claim 1, wherein: the extruding crawler belt (8) is made of wear-resistant cloth, and the vibration contact plate (13) is arc-shaped.

7. The sand screening device of claim 1, wherein: the top of vibrations contact plate (13) has seted up the discharge opening, the bottom fixed mounting of workstation (1) has support (15), support (15) have four and distribute in the four corners of workstation (1) bottom.