CN214917955U - Sand and stone screening device for building cement mortar - Google Patents

Abstract

The utility model discloses a sand and stone screening device for building cement mortar, which comprises a casing, wherein the front surface of the casing is connected with a third baffle plate through screw threads, the top of the casing is provided with a through groove, the top of the through groove is communicated with a feed inlet, and the inner side wall of the casing is respectively provided with a primary screening mechanism and a secondary screening mechanism; the utility model discloses a vibrating motor cooperates the use of a plurality of body of rod isotructures for each screen cloth all can be shaken, thereby makes the grit can avoid the grit to block the screen cloth at the surface vibration of screen cloth, thereby ensures that the screen cloth normally carries out the grit screening operation, the utility model discloses all can dismantle between screen cloth and the slider, simultaneously, through dismantling the screw split of being convenient for between casing and the third baffle, thereby make the screen cloth be convenient for clear up and split, and the change of the screen cloth of being convenient for is maintained, has avoided influencing follow-up grit filtering operation's progress.

Description

Sand and stone screening device for building cement mortar

Technical Field

The utility model relates to a grit divides sieve technical field specifically is a grit divides sieve device for building cement mortar.

Background

As is known, fine aggregate in the existing cement mortar is generally selected from fine sand, and in order to obtain fine sand with a particle size meeting the requirement, the raw material of sand and stone is generally required to be screened, the existing sand and stone screening equipment generally comprises a grading screen arranged from top to bottom, and the screen holes of each grade of screen are gradually decreased, so that the raw material is further screened into large-particle-size particles, medium-particle-size particles and small-particle-size fine sand. Among the prior art, the screen cloth parallel arrangement at different levels, and all set to the form that one end is high and the other end is low, and the grit raw and other materials fall in the high one end of hierarchical screen cloth, and later the limit is sieved and is moved and output toward the one end that hangs down simultaneously, realizes screening and the ejection of compact in succession.

The invention CN210207526U of the Chinese public Authority discloses a sand and stone screening device for dry powder mortar production equipment, the device changes the prior structure of each level of screen cloth laid along the horizontal direction, and ensures the full screening of sand and stone raw materials on the basis of the design of reducing the floor area by arranging each level of screen cloth in the vertical direction in the shell; and be equipped with between feed end and screen cloth and accept the board, avoid the direct striking of grit raw and other materials on the screen cloth, the setting of accepting the board from this can be in the loss that reduces the one-level screening mechanism in the screen cloth and improve the screening effect, but the device still has some defects:

firstly, the screen in the device lacks of a vibration device, so that after sand falls on the surface of the screen, particles such as stones are easily clamped in the screen to cause blockage of the screen, and further subsequent sand filtering work is influenced;

secondly, the difficult split of screen cloth among the device to lead to the device after using, some screen cloths are difficult to the clearance, simultaneously, make the screen cloth be not convenient for change the maintenance, thereby influence the progress of follow-up grit filter work, for this reason, provide a building gravel and sand for cement mortar divides sieve device.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a grit divides sieve device for building cement mortar.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a sand and stone separating and screening device for building cement mortar comprises a casing, wherein a third baffle is connected to the front surface of the casing through screw threads, a through groove is formed in the top of the casing, the top of the through groove is communicated with a feed inlet, a primary separating mechanism and a secondary separating mechanism are respectively installed on the inner side wall of the casing, the primary separating mechanism and the secondary separating mechanism respectively comprise a bearing plate, a primary filter screen, two guide plates, a first internal thread sleeve, a second internal thread sleeve, a first connecting rod and a secondary filter screen, one sides of the bearing plate and the guide plates are respectively welded on the inner side wall of the casing, eight sliding grooves are symmetrically formed in the inner side wall of the casing, sliding blocks are respectively connected to two sides of the primary filter screen and the secondary filter screen through screw threads, the outer side wall of each sliding block is connected with the adjacent inner part of the corresponding sliding groove in a sliding manner, and the top of the first internal thread sleeve is fixedly connected to the bottom of the primary filter screen, the bottom of the second internal thread sleeve is fixedly connected to the top of the secondary screen, the inside of the first internal thread sleeve and the inside of the second internal thread sleeve are respectively in threaded connection with two ends of the first connecting rod, the top of the primary filter screen positioned below is fixedly connected with a fourth internal thread sleeve, the bottom of the secondary screen is fixedly connected with a third internal thread sleeve, the inside of the third internal thread sleeve positioned above and the inside of the fourth internal thread sleeve are in threaded connection with a second connecting rod, the inside of the third internal thread sleeve positioned below is in threaded connection with a third connecting rod, the bottom of the third connecting rod is in threaded connection with a fifth internal thread sleeve, a vibrating motor is arranged below the fifth internal thread sleeve, an output shaft of the vibrating motor is fixedly connected with the bottom of the fifth internal thread sleeve, and the bottom of the sliding block is fixedly connected with a first shell, the lateral wall sliding connection of first casing has the second casing, the bottom of second casing with adjacent the inboard diapire fixed connection of spout, the inboard roof of first casing with fixedly connected with spring between the inboard diapire of second casing, the bottom of casing is run through there is the second grade discharging pipe, the second valve is installed to the lateral wall of second grade discharging pipe.

Preferably, two fixed blocks of the symmetry fixedly connected with of lateral wall of first casing, the fixed block is kept away from one side sliding connection of first casing is adjacent the inside wall of second casing, vibrating motor's bottom threaded connection has the backup pad, one side of backup pad weld in the inside wall of casing.

Preferably, six inboard roof fixedly connected with second baffle of spout, six the last fixed surface of slider is connected with first baffle, one side and the adjacent of first baffle one side sliding connection of second baffle.

Preferably, four first support rods are symmetrically welded on the outer side wall of the casing, a second support rod is welded at one end, far away from the casing, of each first support rod, and universal wheels are fixedly connected to the bottoms of the second support rods.

Preferably, two first-stage discharging pipes are symmetrically arranged on the outer side wall of the machine shell in a penetrating mode, one end of each first-stage discharging pipe is communicated with the adjacent inner side wall of the corresponding sliding groove, and a first valve is installed on the outer side wall of each first-stage discharging pipe.

Preferably, the dust remover is installed to one side of casing, the air inlet of dust remover has link up the second grade dust absorption pipeline, the second grade dust absorption pipeline is kept away from the one end of dust remover link up the inside wall of casing, the lateral wall of second grade dust absorption pipeline communicates respectively has one-level dust absorption pipeline and upper portion dust absorption pipeline, one-level dust absorption pipeline keeps away from the one end of second grade dust absorption pipeline with upper portion dust absorption pipeline keeps away from the one end of second grade dust absorption pipeline all link up the inside wall of casing.

(III) advantageous effects

Compared with the prior art, the utility model provides a grit divides sieve device for building cement mortar possesses following beneficial effect:

the utility model has the advantages that through the use of the vibration motor matched with a plurality of rod bodies and other structures, each screen can be vibrated, so that sand and stones can be vibrated on the surface of the screen, the screen is prevented from being blocked by the sand and stones, and the normal sand and stone screening operation of the screen is guaranteed;

two, the utility model discloses all can dismantle between screen cloth and the slider, simultaneously, be convenient for the split through dismantling the screw between casing and the third baffle to make the screen cloth be convenient for clear up and split, and the change of the screen cloth of being convenient for is maintained, has avoided influencing the progress of follow-up grit filter work.

Drawings

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

FIG. 2 is a schematic view of a portion of the enlarged structure of FIG. 1;

FIG. 3 is a schematic structural view of a third baffle of the present invention;

fig. 4 is a left side view structure diagram of the present invention.

In the figure: 1. a housing; 2. a through groove; 3. a feed inlet; 4. a primary screening mechanism; 41. a bearing plate; 42. preliminary filtering; 43. a guide plate; 44. a first internally threaded sleeve; 45. a second internally threaded sleeve; 46. a first link; 47. secondary screening; 5. a secondary screening mechanism; 6. a second link; 7. a third internally threaded sleeve; 8. a fourth internally threaded sleeve; 10. a chute; 11. a slider; 12. a first housing; 13. a second housing; 14. a spring; 15. a fixed block; 16. a first baffle plate; 17. a second baffle; 18. a primary discharge pipe; 19. a first valve; 20. a first support bar; 21. a second support bar; 22. a universal wheel; 23. a dust remover; 24. a secondary dust collection pipeline; 25. a primary dust collection pipeline; 26. a second-stage discharge pipe; 27. a second valve; 28. a support plate; 29. a vibration motor; 30. a fifth internal thread bushing; 31. a third link; 32. a third baffle plate; 33. an upper dust suction duct.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a sand and stone separating and screening device for building cement mortar comprises a machine shell 1, wherein the front surface of the machine shell 1 is connected with a third baffle 32 through screw threads, the top of the machine shell 1 is provided with a through groove 2, the top of the through groove 2 is communicated with a feed inlet 3, the inner side wall of the machine shell 1 is respectively provided with a primary separating mechanism 4 and a secondary separating mechanism 5, the primary separating mechanism 4 and the secondary separating mechanism 5 respectively comprise a bearing plate 41, a primary filter screen 42, two guide plates 43, a first internal thread sleeve 44, a second internal thread sleeve 45, a first connecting rod 46 and a secondary filter screen 47, one sides of the bearing plate 41 and the guide plates 43 are welded on the inner side wall of the machine shell 1, the inner side wall of the machine shell 1 is symmetrically provided with eight sliding grooves 10, the two sides of the primary filter screen 42 and the secondary filter screen 47 are both connected with sliding blocks 11 through screw threads, and the outer side wall of each sliding block 11 is connected with the inner part of the adjacent sliding groove 10, the top of the first internal thread bushing 44 is fixedly connected to the bottom of the primary filter screen 42, the bottom of the second internal thread bushing 45 is fixedly connected to the top of the secondary filter screen 47, the inside of the first internal thread bushing 44 and the inside of the second internal thread bushing 45 are respectively in threaded connection with two ends of the first connecting rod 46, the top of the primary filter screen 42 below is fixedly connected with the fourth internal thread bushing 8, the bottom of the secondary filter screen 47 is fixedly connected with the third internal thread bushing 7, the inside of the third internal thread bushing 7 above and the inside of the fourth internal thread bushing 8 are in threaded connection with the second connecting rod 6, the inside of the third internal thread bushing 7 below is in threaded connection with the third connecting rod 31, the bottom of the third connecting rod 31 is in threaded connection with the fifth internal thread bushing 30, the lower part of the fifth internal thread bushing 30 is provided with the vibration motor 29, and the output shaft of the vibration motor 29 is fixedly connected with the bottom of the fifth internal thread bushing 30, the bottom of slider 11 is fixedly connected with first casing 12, and the lateral wall sliding connection of first casing 12 has second casing 13, and the bottom of second casing 13 and the inboard diapire fixed connection of adjacent spout 10, fixedly connected with spring 14 between the inboard roof of first casing 12 and the inboard diapire of second casing 13, the bottom of casing 1 has run through second grade discharging pipe 26, and second valve 27 is installed to the lateral wall of second grade discharging pipe 26.

In this embodiment, specifically: the outer side wall of the first shell 12 is symmetrically and fixedly connected with two fixing blocks 15, one side of each fixing block 15, which is far away from the first shell 12, is connected to the inner side wall of the adjacent second shell 13 in a sliding manner, the bottom of the vibration motor 29 is in threaded connection with a supporting plate 28, and one side of the supporting plate 28 is welded to the inner side wall of the machine shell 1; after the slider 11 vibrates, the spring 14 is extruded through the first shell 12, the spring 14 can reduce the pressure applied by the first shell 12 and generate a reverse thrust, and the first shell 12 can be prevented from being separated from the first shell 12 due to the reverse thrust of the spring 14 by the arrangement of the fixing block 15.

In this embodiment, specifically: the top walls of the inner sides of the six sliding chutes 10 are fixedly connected with second baffles 17, the upper surfaces of the six sliding blocks 11 are fixedly connected with first baffles 16, and one side of each first baffle 16 is in sliding connection with one side of the adjacent second baffle 17; through the setting of first baffle 16 and second baffle 17, can not influence the vibrations of slider 11, can avoid the grit to get into the inside of spout 10 simultaneously and lead to inconvenient clearance.

In this embodiment, specifically: four first support rods 20 are symmetrically welded on the outer side wall of the machine shell 1, a second support rod 21 is welded at one end, far away from the machine shell 1, of each first support rod 20, and a universal wheel 22 is fixedly connected to the bottom of each second support rod 21; through the setting of universal wheel 22, make the utility model discloses be convenient for remove, through the setting of second bracing piece 21 and first bracing piece 20, have the effect of support to casing 1.

In this embodiment, specifically: two first-stage discharging pipes 18 are symmetrically arranged on the outer side wall of the machine shell 1 in a penetrating mode, one end of each first-stage discharging pipe 18 is communicated with the inner side wall of the adjacent sliding chute 10, and a first valve 19 is arranged on the outer side wall of each first-stage discharging pipe 18; through the setting of first valve 19, can control the circulation of one-level discharging pipe 18, through the setting of one-level discharging pipe 18, be convenient for receive the grit after the primary filtration.

In this embodiment, specifically: a dust remover 23 is arranged on one side of the machine shell 1, a secondary dust suction pipeline 24 is communicated with an air inlet of the dust remover 23, one end, far away from the dust remover 23, of the secondary dust suction pipeline 24 is communicated with the inner side wall of the machine shell 1, the outer side wall of the secondary dust suction pipeline 24 is respectively communicated with a primary dust suction pipeline 25 and an upper dust suction pipeline 33, and one end, far away from the secondary dust suction pipeline 24, of the primary dust suction pipeline 25 and one end, far away from the secondary dust suction pipeline 24, of the upper dust suction pipeline 33 are both communicated with the inner side wall of the machine shell 1; dust collector 23 can absorb the dust above primary screening mechanism 4 through upper portion dust absorption pipeline 33 after starting, absorbs the inside dust of primary screening mechanism 4 through primary dust absorption pipeline 25, absorbs the inside dust of secondary screening mechanism 5 through secondary dust absorption pipeline 24, avoids dust pollution all around environment.

In this embodiment: the model of vibration motor 29 is 1MVE-3, the switch group that can control vibration motor 29 and dust remover 23 respectively to start and close is installed to one side of casing 1, the switch group is connected with external commercial power, be used for vibration motor 29 and dust remover 23 power supply, the mesh number of the preliminary filter screen 42 that is located the top is less than the mesh number of the secondary screen 47 that is located the top, the mesh number of the secondary screen 47 that is located the top is less than the mesh number of the preliminary filter screen 42 that is located the below, the mesh number of the preliminary filter screen 42 that is located the below is less than the mesh number of the secondary screen 47 that is located the below.

In conclusion, the working principle and working process of the sand and stone separating and screening device for building cement mortar are that, when in use, the utility model is firstly promoted to be matched with the universal wheel 22 to be used, the utility model is moved to a working place, the vibration motor 29 and the dust remover 23 are respectively started through the switch group, sand and stone are injected into the feed inlet 3, the sand and stone enter the shell 1 from the through groove 2, the sand and stone fall on the bearing plate 41 after entering the shell 1, then the sand and stone are separated into two parts and then fall on the upper surfaces of two sides of the primary filter screen 42, because the mesh number of the primary filter screen 42 positioned above is smaller than that of the secondary filter screen 47 positioned above, the mesh number of the secondary filter screen 47 positioned above is smaller than that of the primary filter screen 42 positioned below, the mesh number of the primary filter screen 42 positioned below is smaller than that of the secondary filter screen 47 positioned below, so the sand is finer down, the smaller sand falls directly on the upper surface of the guide plate 43 by the filtration of the primary screen 42, then the sand falls on the upper surface of the secondary screen 47 from the gap between the two guide plates 43 by gravity, then the fine sand falls under the secondary screen 47, the vibration motor 29 is started to vibrate the primary screen 42 and the secondary screen 47 by the conduction of the fifth female screw sleeve 30, the third connecting rod 31, the second connecting rod 6, the third female screw sleeve 7, the fourth female screw sleeve 8, the first female screw sleeve 44, the second female screw sleeve 45 and the first connecting rod 46, at this time, the rocks on the surface of the primary screen 42 and the secondary screen 47 are vibrated, and as the surface of the primary screen 42 and the secondary screen 47 slides, the rocks with larger volume are retained at the center of the upper surface of the primary screen 42, the gravel after primary filtration is moved to the two sides of the upper surface of the second internal thread sleeve 45, the first valve 19 is opened, the gravel after primary filtration can be received from the primary discharge pipe 18, when the primary filter screen 42 and the secondary filter screen 47 vibrate, the chute 10 can vibrate vertically, through the arrangement of the first baffle 16 and the second baffle 17, the vibration of the sliding block 11 can not be influenced, meanwhile, the situation that the gravel enters the inside of the chute 10 and is inconvenient to clean can be avoided, the spring 14 can be extruded through the first shell 12 after the vibration of the sliding block 11, the pressure applied by the first shell 12 can be reduced by the spring 14, and meanwhile, the reverse thrust is generated, so that the influence caused by the vibration is reduced, the unstable connection between the sliding block 11 and the first shell 12 is avoided, because the structure of the secondary screening mechanism 5 is the same as that of the primary screening mechanism 4, so that much description is not needed, according to the working principle of the primary screening mechanism 4, the screening by the secondary screening mechanism 5, last meticulous grit can fall in casing 1's bottom, open second valve 27, can receive meticulous grit from the bottom of second grade discharging pipe 26 the utility model discloses an in the use, dust remover 23 can absorb the dust of one-level screening mechanism 4 top through upper portion dust absorption pipeline 33 after starting, absorb the inside dust of one-level screening mechanism 4 through one-level dust absorption pipeline 25, absorb the inside dust of second grade screening mechanism 5 through second grade dust absorption pipeline 24, avoid dust pollution ring edge border environment, through dismantling the screw, be convenient for with casing 1 and third baffle 32 split, thereby be convenient for clear up casing 1's inside, can dismantle change and clear up preliminary filter screen 42 and secondary screen 47 through dismantling the screw, thereby can prolong the utility model discloses a life.

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

Claims (6)

1. The utility model provides a building sand and stone divides sieve device for cement mortar, includes casing (1), its characterized in that: the front surface of the casing (1) is connected with a third baffle (32) through screw threads, the top of the casing (1) is provided with a through groove (2), the top of the through groove (2) is communicated with a feed inlet (3), the inner side wall of the casing (1) is respectively provided with a first-stage screening mechanism (4) and a second-stage screening mechanism (5), the first-stage screening mechanism (4) and the second-stage screening mechanism (5) respectively comprise a bearing plate (41), a primary filter screen (42), two guide plates (43), a first internal thread sleeve (44), a second internal thread sleeve (45), a first connecting rod (46) and a secondary screen (47), one sides of the bearing plate (41) and the guide plates (43) are welded on the inner side wall of the casing (1), the inner side wall of the casing (1) is symmetrically provided with eight sliding grooves (10), the two sides of the primary filter screen (42) and the secondary screen (47) are both connected with sliding blocks (11) through screw threads, the outer side wall of the sliding block (11) is adjacent to the inner sliding connection of the sliding groove (10), the top of the first internal thread sleeve (44) is fixedly connected to the bottom of the primary filter screen (42), the bottom of the second internal thread sleeve (45) is fixedly connected to the top of the secondary filter screen (47), the inside of the first internal thread sleeve (44) and the inside of the second internal thread sleeve (45) are respectively in threaded connection with the two ends of the first connecting rod (46), the top of the primary filter screen (42) below is fixedly connected with a fourth internal thread sleeve (8), the bottom of the secondary filter screen (47) is fixedly connected with a third internal thread sleeve (7), the inside of the third internal thread sleeve (7) above and the inside of the fourth internal thread sleeve (8) are connected with a second connecting rod (6), the inner thread of the third internal thread sleeve (7) positioned below is connected with a third connecting rod (31), the bottom of the third connecting rod (31) is connected with a fifth internal thread sleeve (30) in a threaded manner, a vibration motor (29) is arranged below the fifth internal thread sleeve (30), an output shaft of the vibration motor (29) is fixedly connected with the bottom of the fifth internal thread sleeve (30), the bottom of the sliding block (11) is fixedly connected with a first shell (12), the outer side wall of the first shell (12) is connected with a second shell (13) in a sliding manner, the bottom of the second shell (13) is fixedly connected with the inner side bottom wall of the adjacent sliding chute (10), a spring (14) is fixedly connected between the inner side top wall of the first shell (12) and the inner side bottom wall of the second shell (13), and a second-stage discharge pipe (26) penetrates through the bottom of the machine shell (1), and a second valve (27) is arranged on the outer side wall of the second-stage discharge pipe (26).

2. The sand and stone separating and screening device for construction cement mortar as claimed in claim 1, wherein: two fixed blocks (15) of lateral wall symmetry fixedly connected with of first casing (12), keep away from fixed block (15) one side sliding connection of first casing (12) is adjacent the inside wall of second casing (13), the bottom threaded connection of vibrating motor (29) has backup pad (28), weld in one side of backup pad (28) the inside wall of casing (1).

3. The sand and stone separating and screening device for construction cement mortar as claimed in claim 1, wherein: six inboard roof fixedly connected with second baffle (17) of spout (10), six the last fixed surface of slider (11) is connected with first baffle (16), one side and adjacent of first baffle (16) one side sliding connection of second baffle (17).

4. The sand and stone separating and screening device for construction cement mortar as claimed in claim 1, wherein: the outer wall of the casing (1) is symmetrically welded with four first supporting rods (20), the first supporting rods (20) are far away from one end of the casing (1) is welded with a second supporting rod (21), and the bottom of the second supporting rod (21) is fixedly connected with universal wheels (22).

5. The sand and stone separating and screening device for construction cement mortar as claimed in claim 1, wherein: two first-stage discharging pipes (18) are symmetrically arranged on the outer side wall of the machine shell (1) in a penetrating mode, one end of each first-stage discharging pipe (18) is communicated with the adjacent inner side wall of the sliding groove (10), and a first valve (19) is installed on the outer side wall of each first-stage discharging pipe (18).

6. The sand and stone separating and screening device for construction cement mortar as claimed in claim 1, wherein: dust remover (23) are installed to one side of casing (1), the air inlet of dust remover (23) is link up there is second grade dust absorption pipeline (24), second grade dust absorption pipeline (24) are kept away from the one end of dust remover (23) is link up the inside wall of casing (1), the lateral wall of second grade dust absorption pipeline (24) communicates respectively and has one-level dust absorption pipeline (25) and upper portion dust absorption pipeline (33), one-level dust absorption pipeline (25) are kept away from the one end of second grade dust absorption pipeline (24) with upper portion dust absorption pipeline (33) are kept away from the one end of second grade dust absorption pipeline (24) all link up the inside wall of casing (1).

Images