CN219943574U - Sand screening equipment - Google Patents

Abstract

The utility model relates to the technical field of screening, in particular to sand and stone screening equipment which is convenient for a device to screen sand and stones with different sizes, avoids the step of replacing a screen, improves the screening efficiency and the screening effect of the device on sand and stones, and improves the practicability; the top intercommunication in screening storehouse is installed the inlet pipe, and the material discharging pipe is installed to the bottom intercommunication in screening storehouse, and symmetrical slidable mounting has two backup pads on the inside wall in screening storehouse, has all seted up the fixed slot in every backup pad, transversely rotationally installs first screw rod and second screw rod respectively on the fixed slot, and all the spiro union has second fixed plate and first fixed plate respectively on every first screw rod and the second screw rod, has vertically offered a plurality of big through-holes on the third fixed plate, has vertically offered a plurality of big through-holes and well through-hole on the first fixed plate, has vertically offered a plurality of big through-holes, well through-hole and little through-hole on the second fixed plate, and the inside middle part region in screening storehouse is provided with vibration mechanism.

Description

Sand screening equipment

Technical Field

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

Background

Sand refers to a loose mixture of sand and crushed stone. Geology: mineral or rock particles with the particle size of 0.074-2 mm are called sand, and the particle size of more than 2mm are called gravel or breccia, and are called fine aggregate in construction, and are classified into coarse sand, medium sand and fine sand according to the diameter.

For example, as searched, the utility model patent with Chinese patent publication No. CN211838969U discloses: a sand screening apparatus comprising: a support base for supporting the apparatus; the buckle cover structure is arranged on the upper surface of the bearing structure; the utility model relates to the field of sand screening, and discloses a sand screening device, which comprises a feeding structure, a screening device and a screening device, wherein the feeding structure is arranged on the upper surface of the buckling cover structure, and the sand screening device is used for screening sand, so that the sand screening device is convenient to use, and the screening device is convenient to replace.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the sand screening equipment which is convenient for the device to screen out sand with different sizes, avoids the step of replacing the screen, improves the screening efficiency and the screening effect of the device on sand and improves the practicability.

(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 installation, includes the screening storehouse, the inlet pipe is installed to the top intercommunication in screening storehouse, the material discharging pipe is installed to the bottom intercommunication in screening storehouse, symmetrical slidable mounting has two backup pads on the inside wall in screening storehouse, all seted up the fixed slot in every backup pad, transversely rotatory first screw rod and the second screw rod of installing respectively on the fixed slot, second fixed plate and first fixed plate are all spiro union respectively on every first screw rod and the second screw rod, the top fixed mounting of two backup pads has the third fixed plate, a plurality of big through-holes have vertically been seted up on the third fixed plate, a plurality of big through-holes and well through-hole have vertically been seted up on the first fixed plate, a plurality of big through-holes, well through-hole and little through-hole have vertically been seted up on the second fixed plate, the inside middle part region in screening storehouse is provided with vibration mechanism.

Preferably, the vibration mechanism comprises a rotating shaft, the rotating shaft is transversely and rotatably arranged in the screening bin, a motor is fixedly arranged at one end of the rotating shaft and fixedly arranged on the outer side wall of the screening bin, and two eccentric shafts are symmetrically and fixedly arranged on the outer side wall of the rotating shaft and respectively attached to the bottom ends of the two supporting plates.

Further, guide plates are fixedly arranged at the bottom end of the inside of the screening bin.

Still further, a plurality of pillars are fixedly arranged around the bottom end of the screening bin.

On the basis of the scheme, the bottom end of the motor is fixedly arranged on the outer side wall of the screening bin through a support.

Further, a baffle is fixedly arranged at the top end of the third fixing plate.

(III) beneficial effects

Compared with the prior art, the utility model provides sand screening equipment, which has the following beneficial effects:

this grit screening installation, through first screw rod and second screw rod respectively with the second fixed plate then first fixed plate spiral shell dress, thereby synchronous drive second fixed plate and first fixed plate carry out horizontal removal operation in the time of through rotatory first screw rod and second screw rod, and then carry out first fixed plate to the grit of screening different diameter sizes, big through-hole that sets up on second fixed plate then the third fixed plate, well through-hole and little through-hole are aligned, and then be convenient for the device screen out the grit of different sizes, the step of the change screen cloth of avoiding has improved the screening efficiency and the screening effect of device to the grit, the practicality is improved.

Drawings

FIG. 1 is a schematic cross-sectional view of the front view of the present utility model;

FIG. 2 is a schematic cross-sectional view of a portion of a side view of the present utility model;

FIG. 3 is an enlarged schematic view of the portion A of FIG. 1 according to the present utility model;

fig. 4 is a schematic cross-sectional view illustrating the second fixing plate, the first fixing plate and the third fixing plate of fig. 1 according to the present utility model.

The reference numerals in the drawings: 1. screening bins; 2. a support plate; 3. a fixing groove; 4. a first screw; 5. a second screw; 6. a first fixing plate; 7. a second fixing plate; 8. a third fixing plate; 9. a large through hole; 10. a middle through hole; 11. a small through hole; 12. a rotation shaft; 13. a motor; 14. an eccentric shaft; 15. a guide plate; 16. a support post; 17. a bracket; 18. a baffle; 31. a feed pipe; 32. and a discharge pipe.

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.

Examples

Referring to fig. 1-4, a sand screening device comprises a screening bin 1, wherein a feed pipe 31 is installed at the top end of the screening bin 1 in a communicating manner, a discharge pipe 32 is installed at the bottom end of the screening bin 1 in a communicating manner, two support plates 2 are symmetrically and slidably installed on the inner side wall of the screening bin 1, a fixed slot 3 is formed in each support plate 2, a first screw 4 and a second screw 5 are transversely and respectively rotatably installed on the fixed slot 3, a second fixed plate 7 and a first fixed plate 6 are respectively and spirally installed on each first screw 4 and the second screw 5, a third fixed plate 8 is fixedly installed at the top ends of the two support plates 2, a plurality of large through holes 9 and a plurality of medium through holes 10 are longitudinally formed in the third fixed plate 8, a plurality of large through holes 9, medium through holes 10 and small through holes 11 are longitudinally formed in the second fixed plate 7, and a vibration mechanism is arranged in the middle area inside the screening bin 1;

referring to fig. 1-4, the vibration mechanism includes rotation axis 12, rotation axis 12 transversely rotates the inside of installing at screening storehouse 1, the one end fixed mounting of rotation axis 12 has motor 13, motor 13 fixed mounting is on the lateral wall of screening storehouse 1, symmetrical fixed mounting has two eccentric shafts 14 on the lateral wall of rotation axis 12 and respectively with the laminating of the bottom of two backup pads 2, provide power and then drive rotation axis 12 through motor 13 and rotate the operation, drive eccentric shaft 14 rotatory operation through rotation axis 12 is rotatory synchronous, and then make rotatory eccentric shaft 14 constantly contact with the bottom of backup pad 2, and then make backup pad 2 constantly carry out reciprocating operation on screening storehouse 1's inside wall, and then the screening efficiency of device to the grit, this grit screening equipment, through first screw 4 and second screw 5 respectively with second fixed plate 7, first fixed plate 6 spiral shell, thereby through rotatory first screw 4 and second screw 5 simultaneously synchronous drive second fixed plate 7 and first fixed plate 6 carry out transverse movement operation, and then carry out the fixed plate 6 to screen cloth different diameter size's grit, the second fixed plate 7, the step is gone out with the fixed plate 8, the step is convenient for the screening device is gone out to the grit, the step is convenient for be changed, the step is further to the screening device has been improved, the screening efficiency is further improved, the screening device has been opened to the small and the through hole is convenient for the step is opened.

Referring to fig. 1, a guide plate 15 is fixedly installed at the bottom end of the inside of the screening bin 1, and rapid guiding operation is performed on sand and gravel screened by the device by installing the guide plate 15.

Referring to fig. 1, it should be further noted that a plurality of struts 16 are fixedly installed around the bottom end of the screening bin 1, and the device is effectively supported by installing the struts 16.

Referring to fig. 1, the bottom end of the motor 13 is fixedly mounted on the outer side wall of the screening bin 1 through a bracket 17, and the fixing effect of the motor 13 on the outer side wall of the screening bin 1 is improved through the mounting bracket 17.

The baffle 18 is fixedly installed at the top end of the third fixing plate 8, and sand and stone discharged into the screening bin 1 through the feeding pipe 31 is guided by installing the baffle 18.

In summary, this grit screening installation is when using, rotatory first screw rod 4 and the synchronous drive second fixed plate 7 of second screw rod 5 carries out horizontal removal with first fixed plate 6, and then make the big through-hole 9 that sets up respectively on second fixed plate 7, first fixed plate 6 and the third fixed plate 8, well through-hole 10 and little through-hole 11 align to the grit of different screening sizes, discharge grit through inlet pipe 31 into the inside of screening storehouse 1, start motor 13, this motor is the well-known equipment of the person skilled in the art who directly purchase on the market, we just use it here, and do not carry out the improvement on structure and function to it, we do not describe in detail here again, and the motor is provided with the control switch rather than supporting, control switch's mounted position is selected according to the actual use demand, the operating control of operating personnel of being convenient for, drive rotation axis 12 and eccentric shaft 14 through motor 13 output power synchronization carry out rotary operation, continuous contact to backup pad 2 through eccentric shaft 14, and then make 2 continuous synchronous drive first fixed plate 6, second fixed plate 7 and third fixed plate 8 have carried out the vertical motion of guide screen cloth that moves through the inside of screening storehouse 2, and screen cloth 32 after the inside that the screening device has passed through the grit has been passed through to the screening storehouse, and can be further improved to the inside the screening device of screening storehouse 32.

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 grit screening installation, includes screening storehouse (1), its characterized in that: the top end of the screening bin (1) is communicated with a feeding pipe (31), the bottom end of the screening bin (1) is communicated with a discharging pipe (32), two supporting plates (2) are symmetrically and slidably arranged on the inner side wall of the screening bin (1), a fixed slot (3) is formed in each supporting plate (2), a first screw (4) and a second screw (5) are transversely and respectively rotatably arranged on the fixed slot (3), a second fixed plate (7) and a first fixed plate (6) are respectively and spirally arranged on each first screw (4) and each second screw (5), the top fixed mounting of two backup pads (2) has third fixed plate (8), has vertically offered a plurality of big through-holes (9) on third fixed plate (8), has vertically offered a plurality of big through-holes (9) and well through-hole (10) on first fixed plate (6), has vertically offered a plurality of big through-holes (9), well through-hole (10) and little through-hole (11) on second fixed plate (7), and the inside middle part region in screening storehouse (1) is provided with vibration mechanism.

2. A sand screening apparatus according to claim 1, wherein: the vibrating mechanism comprises a rotating shaft (12), the rotating shaft (12) is transversely and rotatably arranged in the screening bin (1), a motor (13) is fixedly arranged at one end of the rotating shaft (12), the motor (13) is fixedly arranged on the outer side wall of the screening bin (1), and two eccentric shafts (14) are symmetrically and fixedly arranged on the outer side wall of the rotating shaft (12) and respectively attached to the bottom ends of the two supporting plates (2).

3. A sand screening apparatus according to claim 2, wherein: the inside bottom fixed mounting of screening storehouse (1) has deflector (15).

4. A sand screening apparatus according to claim 3, wherein: a plurality of struts (16) are fixedly arranged around the bottom end of the screening bin (1).

5. A sand screening apparatus according to claim 4, wherein: the bottom end of the motor (13) is fixedly arranged on the outer side wall of the screening bin (1) through a support (17).

6. A sand screening apparatus according to claim 5, wherein: the top end of the third fixed plate (8) is fixedly provided with a baffle plate (18).