CN210647232U

CN210647232U - Sand screening machine

Info

Publication number: CN210647232U
Application number: CN201921601143.2U
Authority: CN
Inventors: 何妙飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-06-02
Anticipated expiration: 2029-09-25

Abstract

The utility model relates to a sand sieving machine, include: a vibration seat; the screen is fixed on the vibration seat; the limiting net is installed below the screen in a sliding and resettable mode, protruding columns are arranged on the limiting net and inserted into meshes of the screen, and each mesh of the screen corresponds to the protruding columns one to one. After adopting such scheme, can conveniently clear away the grit that blocks on the screen cloth, avoid influencing the normal work of screen cloth.

Description

Sand screening machine

Technical Field

The utility model relates to a sand screening machine.

Background

A sand screening machine is a machine commonly used in construction works and functions to screen sand and separate sand from gravel mixed in the sand having a large diameter. The sand screening machine mainly comprises a vibration seat and a screen, wherein the screen continuously vibrates by the continuous vibration of the vibration seat, so that sand on the screen continuously vibrates, the sand with the diameter smaller than the meshes of the screen passes through the meshes, and the sand with the diameter larger than the meshes stays on the screen and is collected on one side along the screen, and thus, the classified screening is completed. However, this structure has a problem in that when the gravel in the sand is similar to the diameter of the mesh hole on the screen, the gravel may be stuck in the mesh hole of the screen and is not easy to fall off, which affects the screening effect of the screen, and thus needs to be cleaned.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a sand sieving machine can conveniently clear away the gravel of card on the screen cloth, avoids influencing the normal work of screen cloth.

In order to solve the technical problem, the utility model provides a technical scheme as follows:

a sand screen comprising: a vibration seat; the screen is fixed on the vibration seat;

the limiting net is installed below the screen in a sliding and resettable mode, protruding columns are arranged on the limiting net and inserted into meshes of the screen, and each mesh of the screen corresponds to one protruding column.

Preferably: the mesh of screen cloth is the circular port, the cross section of projection is circular.

Preferably: still including leading the husky board, it is located to lead the husky board the below of spacing net, the screen cloth with lead the husky board and all incline the setting, just lead the incline direction of husky board with the incline direction of screen cloth is opposite.

Preferably: the higher one end of leading on the sand board is located the below of lower one end on the screen cloth, the other end of leading the sand board extends to outside the vibration seat.

Preferably: still include fixed plate, guide post and first elastic component, the guide post is fixed on the fixed plate, the fixed plate is fixed the inner wall of vibration seat, be provided with the guiding hole on the spacing net, the guide post passes the guiding hole, first elastic component cover is established on the guide post, first elastic component is located the fixed plate with between the spacing net.

Preferably: still include base and vibration drive assembly, vibration drive assembly connects the base with between the vibration seat, be used for the drive the vibration of vibration seat.

Preferably: the vibration driving assembly comprises a rotary motion power device, a first driving wheel, a second driving wheel, a driving belt, a transmission shaft and a second elastic part; one end of the second elastic piece is fixed on the base, and the other end of the second elastic piece is fixed on the vibration seat; the rotary motion power device is fixed on the base, the first driving wheel is fixed on the rotary motion power device, the second driving wheel is rotatably arranged on the base, and the driving belt is matched between the first driving wheel and the second driving wheel; an eccentric shaft is arranged on the second driving wheel, one end of the transmission shaft is rotatably connected with the eccentric shaft, and the other end of the transmission shaft is rotatably connected with the vibration seat.

Preferably: still include the protection casing, the protection casing cover is established outside the vibration drive assembly.

Preferably: the trolley is characterized by further comprising a pushing handle and a roller, wherein the pushing handle is fixed at one end of the base, the roller is installed at the bottom of the base, and the roller is located at the other end of the base.

The utility model has the advantages that: because the projection inserts in the mesh of screen cloth, the gravel of minority part can block in the annular hole of the surface of projection and mesh formation, at this moment, only need slide spacing net, make the projection break away from in the mesh of screen cloth for the effective diameter of the mesh of screen cloth grow suddenly, the gravel just can drop from the mesh of screen cloth, later, spacing net resets, so, can conveniently clear away the gravel that blocks on the screen cloth, avoid influencing the normal work of screen cloth.

Drawings

The invention will be further explained with reference to the drawings and the detailed description below:

fig. 1 is a first schematic structural diagram of an embodiment of a sand screening machine according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a schematic structural diagram ii of an embodiment of the sand screening machine of the present invention;

fig. 4 is a schematic structural view of the limiting net and the sand guide plate in the embodiment.

Wherein:

1. a vibration seat;

2. screening a screen; 21. mesh openings;

3. a limiting net; 31. a convex column;

4. a sand guide plate;

5. a fixing plate;

6. a guide post;

7. a first elastic member;

8. a base;

9. a motor;

10. a first drive pulley;

11. a second transmission wheel;

12. a transmission belt;

13. a drive shaft;

14. a second elastic member;

15. a pushing handle;

16. and a roller.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the positional and orientational relationships indicated as "upper", "lower", "left", "right", "front", "rear", "vertical", "bottom", "inner", "outer", etc. are based on the positional and orientational relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As shown in figures 1-4 of the drawings,

the first embodiment is as follows:

a sand screen comprising:

a vibration base 1;

the screen 2 is fixed on the vibration seat 1;

spacing net 3, spacing net 3 slide and install in the below of screen cloth 2 with reseting, be provided with projection 31 on the spacing net 3, in projection 31 inserts the mesh 21 of screen cloth 2, and every mesh 21 and the projection 31 one-to-one of screen cloth 2.

So, because the projection 31 inserts in the mesh 21 of screen cloth 2, little part of gravel can block in the annular hole that the surface of projection 31 and mesh 21 formed, at this moment, only need slide spacing net 3, make projection 31 break away from in the mesh 21 of screen cloth 2, make the effective diameter of the mesh 21 of screen cloth 2 grow suddenly, the gravel just can drop in the mesh 21 of screen cloth 2, afterwards, spacing net 3 resets, so, can conveniently clear away the gravel that blocks on screen cloth 2, avoid influencing the normal work of screen cloth 2.

In addition, the mesh 21 of the screen 2 is a circular hole, and the cross section of the convex column 31 is circular.

In addition, still including leading husky board 4, lead husky board 4 and be located the below of spacing net 3, screen cloth 2 and lead the equal slope setting of husky board 4, and lead the opposite direction of slope of the inclined direction of husky board 4 and screen cloth 2.

In this way, the gravel not filtered by the screen 2 slides to one end along the screen 2, and the sand filtered by the screen 2 slides in the opposite direction along the sand guide plate 4, so that the gravel and the sand are not mixed again.

In addition, the higher end of the sand guide plate 4 is positioned below the lower end of the screen 2, and the other end of the sand guide plate 4 extends out of the vibration seat 1. Specifically, one end of the sand guide plate 4 is fixed on the limiting net 3.

Thus, the screened sand can fall onto the sand guide plate 4 as much as possible, and fall out of the vibrating base 1 along the sand guide plate 4 to be collected.

In addition, still include fixed plate 5, guide post 6 and first elastic component 7, guide post 6 is fixed on fixed plate 5, and fixed plate 5 is fixed at the inner wall of vibration seat 1, is provided with the guiding hole on the spacing net 3, and guide post 6 passes the guiding hole, and first elastic component 7 cover is established on guide post 6, and first elastic component 7 is located between fixed plate 5 and the spacing net 3. Specifically, the first elastic member 7 is a spring, and the fixed plate 5 is welded to the inner wall of the vibration seat 1.

In this way, the position limiting net 3 slides along the guide post 6, and the position limiting net 3 is reset by the first elastic member 7 after sliding.

Example two:

in this embodiment, the vibration machine further comprises a base 8 and a vibration driving assembly, wherein the vibration driving assembly is connected between the base 8 and the vibration seat and is used for driving the vibration seat to vibrate.

In addition, the vibration driving assembly comprises a rotary motion power device 9, a first driving wheel 10, a second driving wheel 11, a driving belt 12, a driving shaft 13 and a second elastic member 14; one end of the second elastic element 14 is fixed on the base 8, and the other end of the second elastic element 14 is fixed on the vibration seat 1; the rotary motion power device 9 is fixed on the base 8, the first driving wheel 10 is fixed on the rotary motion power device 9, the second driving wheel 11 is rotatably arranged on the base 8, and the driving belt 12 is matched between the first driving wheel 10 and the second driving wheel 11; an eccentric shaft is arranged on the second driving wheel 11, one end of a transmission shaft 13 is rotatably connected with the eccentric shaft, and the other end of the transmission shaft 13 is rotatably connected with the vibration seat 1. Particularly, second elastic component 14 is the spring, and second elastic component 14 is provided with 6 at least, four of them vertical settings, and two other slopes set up to can make the vibration of vibration seat 1 multi-angle, not only vibrate from top to bottom, thereby strengthen the screening effect of sand. Furthermore, the rotary motion power unit 9 is a motor.

Thus, the rotation of the rotary motion power device 9 drives the first driving wheel 10 to rotate, the first driving wheel 10 drives the second driving wheel 11 to rotate through the multi-driving belt 12, because one end of the driving shaft 13 is in transmission connection with the eccentric shaft, the second driving wheel 11 drives one end of the driving shaft 13 to rotate, and under the action of the second elastic element 14, the other end of the driving shaft 13 causes the vibration seat 1 to vibrate.

Additionally, a shield (not shown) is included and is positioned outside the vibration-powered assembly. Specifically, the shield is fixed to the base.

In this way, the vibration driving component can be protected.

In addition, the device also comprises a push handle 15 and a roller 16, wherein the push handle 15 is fixed at one end of the base 8, the roller 16 is installed at the bottom of the base 8, and the roller 16 is positioned at the other end of the base 8. Specifically, the rollers 16 are rotatably mounted on the two bottom corners of the base.

So, raise the one end of base 8 through pushing hands 15, only gyro wheel 16 and ground contact this moment, base 8 is convenient for promote, and the screening sand machine just also can conveniently be pushed away, and when pushing hands 15 did not raise base 8, the one end of base 8 supported subaerial, and base 8 can not slide along with gyro wheel 16 at will.

In summary, the above description is only a preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. A sand screen, comprising:

a vibration seat;

the screen is fixed on the vibration seat;

2. A sand screen according to claim 1, wherein: the mesh of screen cloth is the circular port, the cross section of projection is circular.

3. A sand screen according to claim 1, wherein: still including leading the husky board, it is located to lead the husky board the below of spacing net, the screen cloth with lead the husky board and all incline the setting, just lead the incline direction of husky board with the incline direction of screen cloth is opposite.

4. A sand screen according to claim 3, wherein: the higher one end of leading on the sand board is located the below of lower one end on the screen cloth, the other end of leading the sand board extends to outside the vibration seat.

5. A sand screen according to claim 1, wherein: still include fixed plate, guide post and first elastic component, the guide post is fixed on the fixed plate, the fixed plate is fixed the inner wall of vibration seat, be provided with the guiding hole on the spacing net, the guide post passes the guiding hole, first elastic component cover is established on the guide post, first elastic component is located the fixed plate with between the spacing net.

6. A sand screen according to any one of claims 1 to 5, wherein: still include base and vibration drive assembly, vibration drive assembly connects the base with between the vibration seat, be used for the drive the vibration of vibration seat.

7. A sand screen according to claim 6, wherein: the vibration driving assembly comprises a rotary motion power device, a first driving wheel, a second driving wheel, a driving belt, a transmission shaft and a second elastic part; one end of the second elastic piece is fixed on the base, and the other end of the second elastic piece is fixed on the vibration seat; the rotary motion power device is fixed on the base, the first driving wheel is fixed on an output shaft of the rotary motion power device, the second driving wheel is rotatably installed on the base, and the driving belt is matched between the first driving wheel and the second driving wheel; an eccentric shaft is arranged on the second driving wheel, one end of the transmission shaft is rotatably connected with the eccentric shaft, and the other end of the transmission shaft is rotatably connected with the vibration seat.

8. A sand screen according to claim 7, wherein: still include the protection casing, the protection casing cover is established outside the vibration drive assembly.

9. A sand screen according to claim 6, wherein: the trolley is characterized by further comprising a pushing handle and a roller, wherein the pushing handle is fixed at one end of the base, the roller is installed at the bottom of the base, and the roller is located at the other end of the base.