CN212120816U

CN212120816U - Sand screening machine

Info

Publication number: CN212120816U
Application number: CN202020371244.1U
Authority: CN
Inventors: 闫爱玲; 宋心; 李楠; 王平; 龙都卫; 穆文芳
Original assignee: Shaanxi Hengsheng Concrete Co ltd
Current assignee: Shaanxi Hengsheng Concrete Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-12-11
Anticipated expiration: 2030-03-20

Abstract

The utility model relates to a sand screening machine relates to splitter's technical field, and it includes that frame, slope are located screen cloth in the frame, run through and set up in a plurality of cylindrical sieve meshes on the screen cloth, it is a plurality of the sieve mesh arrange with multirow multiseriate mode in on the screen cloth, still including locating fly leaf, rigid coupling of screen cloth below in just one end can stretch into extremely on the fly leaf multirow inserted bar in the screen cloth, the fly leaf can be followed and is on a parallel with the incline direction of screen cloth with frame sliding connection, just the fly leaf can be followed and is on a parallel with the axis direction of sieve mesh with frame sliding connection. The utility model discloses can prevent that the screen cloth from blockking up in order to improve the screening effect to grit and sand.

Description

Sand screening machine

Technical Field

The utility model belongs to the technical field of splitter's technique and specifically relates to a screening sand machine is related to.

Background

In a concrete production plant, part of sand with smaller particle size and sand with larger particle size need to be separated so as to realize the reutilization of the sand and the sand, and a sand screening machine needs to be used for separating the sand from the sand in the process of separating the sand from the sand.

Chinese patent with publication number CN206184753U announces a sand sieving machine, including support, bobbing machine, screen frame and supporting spring, the screen frame is fixed on the support through a plurality of supporting spring, be equipped with the filter screen that is used for filtering gravel and sand on the screen frame, the bobbing machine sets up on the screen frame, the up end slope of support sets up, the screen frame is including fixed frame and the articulated frame of setting in fixed frame, be equipped with the groove of shelving that is used for shelving the articulated frame on the up end of fixed frame, the one end of articulated frame is articulated with the one end of fixed frame, the filter screen is fixed on articulated frame, be equipped with the driving motor who is used for driving articulated frame to overturn on the support. When the impurities on the filter screen need to be cleaned, the support rod is turned out from the hidden groove to be perpendicular to the hinged frame, then the driving motor is started to drive the hinged frame to turn over, so that the original upper surface is turned to the lower surface, the support rod is supported to the ground, the vibrating machine works all the time in the whole process, and small stones on the filter screen fall off by vibration.

The above prior art solutions have the following drawbacks: during operation, part of the sandstone blocks the filter screen, and the filtering screen is blocked, so that the screening effect on the sandstone and sand is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a screening sand machine, it can prevent that the screen cloth from blockking up in order to improve the screening effect to grit and sand to prior art exists not enough.

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

the utility model provides a sand screening machine, includes that frame, slope are located screen cloth in the frame, run through and set up in a plurality of cylindrical sieve meshes on the screen cloth, it is a plurality of the sieve mesh arrange with the mode of multirow multiseriate in on the screen cloth, still including locating fly leaf, rigid coupling of screen cloth below in just one end can stretch into extremely on the fly leaf multirow inserted bar in the screen cloth, the fly leaf can be followed and is on a parallel with the incline direction of screen cloth with frame sliding connection, just the fly leaf can be followed and is on a parallel with the axis direction of sieve mesh with frame sliding connection.

By adopting the technical scheme, when in operation, raw materials are poured onto the screen, the sand can fall from the lower end of the screen, the sand can pass through the screen and fall below the screen, and finally, the operator collects the sand and the sand in a classified manner; when the sieve mesh takes place to block up, promote the fly leaf and move along the incline direction that is on a parallel with the screen cloth in proper order, when every movement row number was the same with the inserted bar row number of sieve mesh, the fly leaf stop motion later promoted the fly leaf again and moves along the axis direction that is on a parallel with the sieve mesh to alright dredge the operation to each sieve mesh. Can dredge the screen cloth through setting up the inserted bar, can avoid the screen cloth to block up to can improve the screening effect to grit and sand.

The present invention may be further configured in a preferred embodiment as: the top of the inserted bar is a pointed end.

Through adopting above-mentioned technical scheme, establish the inserted bar roof into the tip, can be convenient for the quick accurate inserting screen hole of inserted bar.

The present invention may be further configured in a preferred embodiment as: be equipped with in the frame and be used for driving the fly leaf is along being on a parallel with the drive assembly of the incline direction motion of screen cloth, drive assembly include the axis with the incline direction of screen cloth parallel and with the frame rotate the screw rod of connecting, with screw rod threaded connection's screw nut, rigid coupling in the support of screw nut one side, be used for driving screw rod pivoted driving motor, the support along being on a parallel with the incline direction of screen cloth with frame sliding connection, the fly leaf is located on the support.

By adopting the technical scheme, when the driving assembly drives the movable plate to move along the direction parallel to the inclination direction of the screen, the driving motor drives the screw to rotate, the screw drives the screw nut to rotate relative to the screw when the screw rotates, the screw nut moves along the axial direction of the screw in the process of rotating the screw, and the movable plate is driven to move by driving the support in the process of moving the screw; the driving mode can stop the support at any position, and the operation flexibility is higher.

The present invention may be further configured in a preferred embodiment as: and the support is fixedly connected with a driving cylinder which is used for driving the movable plate to move along the axis direction parallel to the sieve pores.

Through adopting above-mentioned technical scheme, when the fly leaf moved along the axis direction that is on a parallel with the sieve mesh, the actuating cylinder promoted the fly leaf motion, and its operation is comparatively rapid and thrust is great when the actuating cylinder promoted.

The present invention may be further configured in a preferred embodiment as: the screen mesh along being on a parallel with the axis direction of sieve mesh with frame elastic connection, the last rigid coupling of screen mesh has vibrating motor.

Through adopting above-mentioned technical scheme, when pouring the material on the screen cloth, vibrating motor drives the screen cloth vibrations, and the screen cloth can carry out the quickly separating at the in-process grit and the sand of vibrations, can further improve the screening effect to grit and sand.

The present invention may be further configured in a preferred embodiment as: and a protective shell is arranged on the periphery of the vibration motor.

Through adopting above-mentioned technical scheme, set up the protecting crust in vibrating motor periphery, can avoid vibrating motor to receive wearing and tearing at the in-process of operation, can improve vibrating motor's length of use.

The present invention may be further configured in a preferred embodiment as: the top wall of the screen is provided with at least one guide hole in a penetrating way along the axis direction parallel to the screen holes, the rack is fixedly connected with a guide post, one end of the guide post penetrates through the guide hole, and the guide post and the guide hole can slide relatively.

Through adopting above-mentioned technical scheme, when taking place elastic movement between screen cloth and the frame, the guide post moves along the guiding hole, can avoid the screen cloth to take place the skew at the in-process of motion through setting up guide post and guiding hole, can avoid the in-process inserted bar of mediation sieve mesh to be difficult to insert in the sieve mesh.

The present invention may be further configured in a preferred embodiment as: one end of the guide column penetrating through the guide hole is fixedly connected with a baffle ring, and the outer diameter of the baffle ring is larger than the inner diameter of the guide hole.

Through adopting above-mentioned technical scheme, can avoid the guide post along the guiding hole roll-off through setting up the fender ring, it has higher stability can and security performance.

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

1. the sieve holes are dredged by arranging the inserting rods, so that the sieve mesh can be prevented from being blocked, and the effect of separating the sand and the gravel can be improved;

2. the movable plate is driven to move by arranging a driving motor to drive the screw to rotate, so that the operation flexibility is high, and the operation is stable;

3. the screening effect to grit and sand can further be improved through setting up vibrating motor.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional view of the plane a-a in fig. 1.

In the figure, 1, a frame; 11. a guide post; 12. a baffle ring; 13. a compression spring; 2. screening a screen; 21. screening holes; 22. a guide hole; 23. a vibration motor; 24. a protective shell; 3. a movable plate; 31. inserting a rod; 4. a drive assembly; 41. a screw; 42. a lead screw nut; 43. a support; 44. a drive motor; 45. a rotating seat; 5. a guide assembly; 51. a guide rail; 52. a guide block; 6. a drive cylinder; 61. a slide bar; 62. a slide hole.

Detailed Description

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

Referring to fig. 1 and 2, for the utility model discloses a sand screening machine, locate screen cloth 2 in frame 1 including frame 1, slope, run through and set up a plurality of cylindrical sieve meshes 21 on screen cloth 2, locate fly leaf 3, rigid coupling below screen cloth 2 on fly leaf 3 and one end can stretch into the multirow inserted bar 31 in screen cloth 2, and the inserted bar 31 top is the tip, and a plurality of sieve meshes 21 are arranged on screen cloth 2 with the mode of multirow multiseriate.

Referring to fig. 1 and 2, the screen 2 is elastically connected with the frame 1 along the axial direction parallel to the screen holes 21, and a plurality of compression springs 13 are welded between the edge of the screen 2 and the frame 1; the top wall of the screen 2 is provided with at least one guide hole 22 in a penetrating manner along the axis direction parallel to the screen holes 21, the top wall of the frame 1 is welded with a guide post 11 of which one end penetrates through each guide hole 22, the guide posts 11 and the guide holes 22 can slide relatively, in the embodiment, 4

guide holes

22 and 4 guide posts 11 are arranged, and the four guide holes 22 are distributed on four corners of the screen 2; one end of the guide post 11 passing through the guide hole 22 is welded with a baffle ring 12, and the outer diameter of the baffle ring 12 is larger than the inner diameter of the guide hole 22.

Referring to fig. 1 and 2, a hollow protective shell 24 is fixedly connected to the bottom wall of the screen 2 through screws, and a vibration motor 23 is fixedly connected to the top wall of the inner cavity of the protective shell 24 through screws.

Referring to fig. 1 and 2, the movable plate 3 may be slidably coupled to the frame 1 in an inclined direction parallel to the screen 2, and the movable plate 3 may be slidably coupled to the frame 1 in an axial direction parallel to the screen holes 21.

Referring to fig. 1 and 2, a driving assembly 4 for driving the movable plate 3 to move along a direction parallel to the inclination direction of the screen 2 is disposed on the frame 1, and the driving assembly 4 includes a screw 41 whose axis is parallel to the inclination direction of the screen 2 and is rotatably connected to the frame 1, a lead screw nut 42 in threaded connection with the screw 41, a support 43 welded to an outer wall of the lead screw nut 42, and a driving motor 44 for driving the screw 41 to rotate; the side wall of the rack 1 is respectively welded with rotating seats 45 at two ends of a screw rod 41, two ends of the screw rod 41 are respectively connected with the two rotating seats 45 in a rotating manner, a driving motor 44 is a servo motor, the driving motor 44 is fixedly connected with any one of the rotating seats 45 through a screw, and an output shaft of the driving motor 44 penetrates through the rotating seats 45 and is coaxially fixedly connected with the screw rod 41 through a coupler;

referring to fig. 1 and 2, the support 43 is slidably connected to the frame 1 along a direction parallel to the inclination direction of the screen 2, the frame 1 is provided with a set of guide assemblies 5 on two sides of the support 43, each guide assembly 5 includes a guide rail 51 fixedly connected to the frame 1 through a screw, and a guide block 52 slidably connected to the guide rail 51 along a direction parallel to the movement direction of the support 43, in this embodiment, the guide rail 51 is a linear slide rail, the guide block 52 is a linear slide block, and two ends of the support 43 are slidably connected to two guide blocks 52 respectively.

Referring to fig. 1 and 2, the movable plate 3 is disposed on a support 43, the support 43 is fixedly connected with a driving cylinder 6 through a screw, the driving cylinder 6 is used for driving the movable plate 3 to move along an axial direction parallel to the sieve holes 21, in this embodiment, the driving cylinder 6 is an electric cylinder, and a piston rod of the driving cylinder 6 is fixedly connected with the movable plate 3 through a screw; the bottom wall of the movable plate 3 is welded with two sliding rods 61 which can be connected with the support 43 in a sliding manner along the axial direction parallel to the sieve holes 21, and the support 43 is provided with a sliding hole 62 for each sliding rod 61 to slide.

The implementation principle of the embodiment is as follows: during the operation, pour raw and other materials on screen cloth 2, later vibrating motor 23 drives screen cloth 2 vibrations, and the grit drops from the lower one end of screen cloth 2, and the sand passes sieve mesh 21 and drops, and the grit that the operation personnel will sieve out at last and the categorised collection of sand can.

When the sieve pores 21 are blocked, the driving component 4 drives the movable plate 3 to intermittently move along the inclination direction parallel to the screen 2, the movable plate 3 moves at the same distance of the row number of the sieve pores 21 and the inserted rods 31 every time, and after the movable plate 3 stops moving, the driving cylinder 6 drives the movable plate 3 and the inserted rods 31 to synchronously move along the axial direction parallel to the sieve pores 21, so that the sieve pores 21 can be dredged.

The driving assembly 4 drives the movable plate 3 to move by driving the support 43 to move, when the driving assembly 4 drives the support 43 to move, the driving motor 44 drives the screw rod 41 to rotate, the screw rod 41 drives the screw nut 42 to rotate relative to the screw rod 41, and the screw nut 42 moves along the direction parallel to the axis of the screw rod 41 in the rotating process, so that the support 43 can be driven to move synchronously.

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 sand sieving machine, includes that frame (1), slope are located screen cloth (2) in frame (1), run through and set up in a plurality of cylindrical sieve mesh (21) on screen cloth (2), it is a plurality of sieve mesh (21) arrange in with the mode of multirow multiseriate in on screen cloth (2), its characterized in that: still including locating fly leaf (3) of screen cloth (2) below, rigid coupling in on fly leaf (3) and one end can stretch into to multirow inserted bar (31) in screen cloth (2), fly leaf (3) can be followed and be on a parallel with the incline direction of screen cloth (2) with frame (1) sliding connection, just fly leaf (3) can be followed and be on a parallel with the axis direction of sieve mesh (21) with frame (1) sliding connection.

2. A sand screen according to claim 1, wherein: the top of the inserted bar (31) is a pointed end.

3. A sand screen according to claim 1, wherein: be equipped with on frame (1) and be used for driving fly leaf (3) along being on a parallel with drive assembly (4) of the incline direction motion of screen cloth (2), drive assembly (4) including the axis with the incline direction of screen cloth (2) is parallel and with frame (1) rotates screw rod (41) of connecting, with screw rod (41) threaded connection's lead screw nut (42), rigid coupling in support (43) of lead screw nut (42) one side, be used for driving screw rod (41) pivoted driving motor (44), support (43) are along being on a parallel with the incline direction of screen cloth (2) with frame (1) sliding connection, fly leaf (3) are located on support (43).

4. A sand screen according to claim 3, wherein: and a driving cylinder (6) for driving the movable plate (3) to move along the axis direction parallel to the sieve holes (21) is fixedly connected to the support (43).

5. A sand screen according to claim 1, wherein: the screen (2) along being on a parallel with the axis direction of sieve mesh (21) with frame (1) elastic connection, the rigid coupling has vibrating motor (23) on screen (2).

6. A sand screen according to claim 5, wherein: and a protective shell (24) is arranged on the periphery of the vibration motor (23).

7. A sand screen according to claim 1, wherein: the top wall of the screen (2) penetrates through and is provided with at least one guide hole (22) along the axis direction parallel to the screen holes (21), a guide column (11) with one end penetrating through the guide hole (22) is fixedly connected to the rack (1), and the guide column (11) can slide relative to the guide hole (22).

8. A sand screen according to claim 7, wherein: the guide post (11) passes one end rigid coupling of guiding hole (22) has fender ring (12), keep off ring (12) external diameter and be greater than guiding hole (22) internal diameter.