CN220387157U - Sand screening machine - Google Patents

Abstract

The utility model relates to the technical field of sand screening machines and discloses a sand screening machine which solves the problems in the prior art and comprises a fixing frame, wherein four supporting legs are arranged at the bottom of the fixing frame and fixedly connected to four corners of the bottom of the fixing frame respectively, a rotatable screen is arranged on the fixing frame, a protective shell is arranged on the fixing frame, a driving motor is arranged in the protective shell, the output end of the driving motor is fixedly connected with a rotating shaft through a coupler, the rotating shaft can drive the screen to rotate, a first fixing block and a second fixing block are fixedly connected to the top of the fixing frame, and a scraping plate is arranged between the first fixing block and the second fixing block.

Description

Sand screening machine

Technical Field

The utility model belongs to the technical field of sand screening machines, and particularly relates to a sand screening machine.

Background

In the construction engineering, sand screening is an important link for cleaning waste stones in sand materials and separating coarse sand from fine sand, the quality of the sand materials after sand screening directly influences the overall quality of the building, and currently, a sand screening machine is mainly used for screening the sand materials.

When the sand screening machine is used for screening sand, due to the fact that the sizes of sand and stones are different, the sand and stones can be clamped on the screen in the sand screening process, and after long-time accumulation, excessive sand and stones are clamped on the screen, so that the sand screening efficiency is reduced, and therefore the sand screening machine is provided.

Disclosure of Invention

In order to solve the problem that when sand is screened by a sand screening machine, due to different sizes of sand and stones, the sand and stones can be clamped on a screen in the sand screening process, and excessive sand and stones are clamped on the screen after long-time accumulation, so that the sand screening efficiency is reduced, the utility model provides the following technical scheme: the utility model provides a sand screening machine, includes the mount, the bottom of mount is equipped with four supporting legs, four the supporting legs rigid coupling respectively is in four corners of mount bottom, be equipped with on the mount can pivoted screen cloth, be equipped with the protective housing on the mount, be equipped with driving motor in the protective housing, driving motor's output has the pivot through the shaft coupling rigid coupling, the pivot can drive the screen cloth and rotate, the top rigid coupling of mount has first fixed block and second fixed block, be equipped with the scraper blade between first fixed block and the second fixed block.

Preferably, one end of the scraping plate is fixedly connected with a first rotating rod, a clamping groove is formed in the side face of the first fixing block, the first rotating rod is rotationally inserted into the clamping groove, a slot is formed in the top of the first rotating rod, a threaded hole is formed in the top of the first fixing block, a threaded rod is rotationally inserted into the inner cavity of the threaded hole, and the threaded rod is inserted into the threaded hole and is in threaded connection with the threaded hole.

Preferably, the other end of the scraping plate is fixedly connected with a second rotating rod, a limit groove is formed in the side face of the second fixing block, the second rotating rod is rotationally inserted into the limit groove, a torsion spring is sleeved on the circumferential surface of the second fixing block, one end of the torsion spring is fixedly connected to the circumferential surface of the second rotating rod, and the other end of the torsion spring is fixedly connected to the inner wall of the limit groove.

Preferably, the first rotating rod is cylindrical in shape, the clamping groove is cylindrical in shape, and the first rotating rod is rotationally inserted into the clamping groove.

Preferably, the second rotating rod is cylindrical, the limiting groove is also cylindrical, and the second rotating rod is rotationally inserted into the limiting groove.

Preferably, each two supporting legs are connected through a fixing rod.

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

through reverse rotation threaded rod, the threaded rod then can upwards slide at threaded hole, after the threaded rod slides out from the slot, the torsional spring can drive the commentaries on classics scraper blade and rotate, make the scraper blade laminate mutually with the surface of screen cloth, then pour into the screen cloth with the sand and stone from the top of screen cloth in, then drive the pivot through the inside driving motor of protective housing and rotate, the pivot then can drive the screen cloth and rotate, thereby can filter sand and stone, the scraper blade can get rid of the sand and stone of card on the screen cloth when rotating, when need not laminate the screen cloth, reverse rotation scraper blade, make scraper blade and screen cloth separation, when rotating the scraper blade then can drive first dwang at the draw-in groove internal rotation, then forward rotation threaded rod, make the bottom of threaded rod slide, when the threaded rod peg graft in the slot, can accomplish spacing to first dwang, thereby realize spacing fixed to the scraper blade, the sand and stone that can clear up on the screen cloth, thereby prevent that sand and stone from accumulating on the screen cloth for a long time, and then prevent to reduce sand work efficiency, convenience of customers.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic elevational view of the entire structure of the present utility model;

FIG. 2 is a schematic view of the front view of the fixing frame and the scraping plate;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2B according to the present utility model;

FIG. 5 is a schematic side view in section of a first securing block according to the present utility model;

in the figure: 1. a fixing frame; 2. support legs; 3. a protective shell; 4. a rotating shaft; 5. a screen; 6. a scraper; 7. a first rotating lever; 8. a first fixed block; 9. a clamping groove; 10. a slot; 11. a threaded hole; 12. a threaded rod; 13. a second rotating lever; 14. a second fixed block; 15. a limit groove; 16. and (3) a torsion spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; 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.

The utility model is given by figures 1-5, which comprises a fixing frame 1, wherein four supporting legs 2 are arranged at the bottom of the fixing frame 1, the four supporting legs 2 are fixedly connected at four corners of the bottom of the fixing frame 1 respectively, a rotatable screen 5 is arranged on the fixing frame 1, a protective shell 3 is arranged on the fixing frame 1, a driving motor is arranged in the protective shell 3, the output end of the driving motor is fixedly connected with a rotating shaft 4 through a coupler, the rotating shaft 4 can drive the screen 5 to rotate, a first fixing block 8 and a second fixing block 14 are fixedly connected at the top of the fixing frame 1, a scraping plate 6 is arranged between the first fixing block 8 and the second fixing block 14, and the top of the scraping plate 6 is attached to the screen 5, so that the surface of the screen 5 can be cleaned.

Simultaneously, the one end rigid coupling of scraper blade 6 has first dwang 7, draw-in groove 9 has been seted up to the side of first fixed block 8, slot 10 has been seted up at the top of first dwang 7 to first dwang 7 rotation grafting in draw-in groove 9, screw hole 11 has been seted up at the top of first fixed block 8, screw hole 11's inner chamber rotation grafting has threaded rod 12, threaded rod 12 grafting is at screw hole 11 and screw hole 11 threaded connection, screw hole 11 and threaded rod 12's setting can realize spacing fixed to first dwang 7, thereby realize spacing to scraper blade 6.

In addition, the other end rigid coupling of scraper blade 6 has second dwang 13, spacing groove 15 has been seted up to the side of second fixed block 14, second dwang 13 rotates and pegs graft in spacing groove 15, the circumferential surface of second fixed block 14 has cup jointed torsional spring 16, the one end rigid coupling of torsional spring 16 is at the circumferential surface of second dwang 13, the other end rigid coupling of torsional spring 16 is on the inner wall of spacing groove 15, the setting of torsional spring 16 can realize applying torsion to second dwang 13, thereby can twist to scraper blade 6, thereby can be to the more stable of screen cloth 5 laminating.

The first rotating rod 7 is cylindrical, the clamping groove 9 is cylindrical, the first rotating rod 7 is rotatably inserted into the clamping groove 9, and the cylindrical arrangement can realize the rotation of the first rotating rod 7 in the clamping groove 9.

And the second rotating rod 13 is cylindrical, the limiting groove 15 is also cylindrical, and the second rotating rod 13 is rotationally inserted into the limiting groove 15, so that the second rotating rod 13 can rotate in the limiting groove 15.

In addition, every two supporting legs 2 are connected through a fixing rod, and the fixing rod can enable the supporting legs 2 to be more stable, so that the whole device is more stable.

Working principle: during operation, firstly through reverse rotation threaded rod 12, threaded rod 12 then can upwards slide in screw hole 11, after threaded rod 12 slides out from slot 10, torsional spring 16 can drive and change scraper blade 6 rotation, make scraper blade 6 and screen cloth 5's surface laminate mutually, then pour the sand and stone into screen cloth 5 from screen cloth 5's top, then drive pivot 4 through the inside driving motor of protective housing 3 and rotate, pivot 4 then can drive screen cloth 5 and rotate, thereby can screen sand and stone, scraper blade 6 can get rid of the sand and stone of card on screen cloth 5 when rotating, when need not carry out the laminating to screen cloth 5, reverse rotation scraper blade 6, make scraper blade 6 and screen cloth 5 separation, when rotating scraper blade 6 then can drive first dwang 7 and rotate in draw-in groove 9, then forward rotation threaded rod 12, make threaded rod 12 slide to the bottom of screw hole 11, when threaded rod 12 pegging graft in slot 10, can accomplish spacing to first dwang 7, thereby realize spacing fixed to scraper blade 6.

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 (6)

1. The utility model provides a sand screening machine, includes mount (1), its characterized in that: the bottom of mount (1) is equipped with four supporting legs (2), four supporting legs (2) rigid coupling respectively in four corners of mount (1) bottom, be equipped with on mount (1) can pivoted screen cloth (5), be equipped with protective housing (3) on mount (1), be equipped with driving motor in protective housing (3), driving motor's output has pivot (4) through the shaft coupling rigid coupling, pivot (4) can drive screen cloth (5) and rotate, the top rigid coupling of mount (1) has first fixed block (8) and second fixed block (14), be equipped with scraper blade (6) between first fixed block (8) and second fixed block (14).

2. A sand screening machine according to claim 1, characterized in that: one end rigid coupling of scraper blade (6) has first dwang (7), draw-in groove (9) have been seted up to the side of first fixed block (8), first dwang (7) rotate and peg graft in draw-in groove (9), slot (10) have been seted up at the top of first dwang (7), screw hole (11) have been seted up at the top of first fixed block (8), the inner chamber rotation grafting of screw hole (11) has threaded rod (12), threaded rod (12) are pegged graft at screw hole (11) and screw hole (11) threaded connection.

3. A sand screening machine according to claim 2, characterized in that: the other end rigid coupling of scraper blade (6) has second dwang (13), spacing groove (15) have been seted up to the side of second fixed block (14), second dwang (13) rotate and peg graft in spacing groove (15), the circumferential surface of second fixed block (14) has cup jointed torsional spring (16), the one end rigid coupling of torsional spring (16) is at the circumferential surface of second dwang (13), the other end rigid coupling of torsional spring (16) is on the inner wall of spacing groove (15).

4. A sand screening machine according to claim 3, wherein: the shape of the first rotating rod (7) is cylindrical, the shape of the clamping groove (9) is cylindrical, and the first rotating rod (7) is rotationally inserted into the clamping groove (9).

5. The sand screen as claimed in claim 4, wherein: the second rotating rod (13) is cylindrical, the limiting groove (15) is also cylindrical, and the second rotating rod (13) is rotationally inserted into the limiting groove (15).

6. A sand screening machine as claimed in claim 5, wherein: every two supporting legs (2) are connected through a fixing rod.