CN220697409U - Concrete raw material screening plant - Google Patents

Abstract

The utility model discloses a concrete raw material screening device, which comprises a box body, wherein the top of the box body is fixedly connected with a feed hopper, a fixed frame is connected in a sliding manner in the box body and penetrates through the box body, the inner wall of the fixed frame is connected with a screen plate in a sliding manner, the side wall of the fixed frame is fixedly connected with a fixed block, the top of the fixed block is provided with a chute, the inside of the chute is connected with a limit box in a sliding manner and is propped against the side wall of the screen plate, a plurality of first springs are fixedly connected between the bottom of the limit box and the chute, and the side wall of the limit box is connected with a limit pin in a sliding manner, so that the concrete raw material screening device has the advantages that: through outside pulling spacer pin roll-off spacing downthehole, extrude the second spring simultaneously, remove the preliminary spacing to the sieve, then press down inside the spacing case slide-in spout, extrude first spring simultaneously, remove the fixed position to the sieve, can take out the fixed frame inside clear up or change with the sieve can, avoid appearing that the sieve mesh blocks up influence device screening efficiency.

Description

Concrete raw material screening plant

Technical Field

The utility model relates to the technical field of concrete, in particular to a concrete raw material screening device.

Background

The concrete is cement concrete which is obtained by mixing cement as cementing material, sand, stone, water, admixture and admixture according to a certain proportion, and sieving impurities and non-compliant raw materials in raw materials are needed in order to ensure the quality of the mixed concrete in the production process of the concrete, so that a sieving device is needed.

The utility model discloses a raw materials screening plant for concrete manufacture of concrete business with publication number CN217616006U, it possesses the dust that produces the screening in-process and collects, the unloading of being convenient for, avoid the raw materials to pile up the advantage at the sieve top, it can produce a large amount of dust to have solved current raw materials screening plant sieve at the in-process of screening material, can not collect the dust, not only pollute operational environment, bring harm for operating personnel's health simultaneously, the raw materials screening in-process is inconvenient for the ejection of compact, cause the raw materials to pile up at the sieve top easily, be unfavorable for the screening of raw materials, the problem of raw materials screening plant suitability has been reduced.

But in the in-service use, be inconvenient for taking out the sieve and clear up or change, because at screening concrete raw materials in-process, can appear in the filter screen with the raw materials card that the sieve filter screen hole size is the same, consequently the filter screen hole jam will be more and more under long-time use, if take out the sieve and clear up or change, can influence follow-up screening efficiency, reduce the convenience performance of device.

So the concrete raw material screening device is designed and produced so as to solve the problem that the screen plate is inconvenient to take out for cleaning or replacement.

Disclosure of Invention

The utility model aims to solve the technical problems: but in the in-service use, be inconvenient for taking out the sieve and clear up or change, because at screening concrete raw materials in-process, can appear in the raw materials card that is the same with sieve filtration pore size in the filtration pore, consequently the filtration pore jam will be more and more under long-time use, if take out the sieve and clear up or change, can influence follow-up screening efficiency, reduce the convenience performance of device, therefore propose a concrete raw materials screening plant.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a concrete raw materials screening plant, includes the box, box top fixedly connected with feeder hopper, the inside sliding connection of box has fixed frame and runs through the box setting, fixed frame inner wall sliding connection has the sieve, fixed frame lateral wall fixedly connected with fixed block, the spout has been seted up at the fixed block top, the inside sliding connection of spout has spacing case and offsets with the sieve lateral wall, fixedly connected with a plurality of first spring between spacing case bottom and the spout, spacing case lateral wall sliding connection has the spacer pin, spacing hole has been seted up to the sieve lateral wall, the spacer pin lateral wall passes spacing case grafting in spacing hole inside;

through outside pulling spacer pin roll-off spacing downthehole, extrude the second spring simultaneously, remove the preliminary spacing to the sieve, then press down inside the spacing case slide-in spout, extrude first spring simultaneously, remove the fixed position to the sieve, can take out the fixed frame inside clear up or change with the sieve can, avoid appearing that the sieve mesh blocks up influence device screening efficiency.

Preferably, a second spring is fixedly connected between the inside of the limit box and the outer wall of the limit pin.

Preferably, the through groove is formed in the side wall of the fixed block and corresponds to the limiting pin, and the limiting pin is driven to slide into the through groove when the limiting box is pressed, so that the sliding of the limiting box is prevented from being hindered.

Preferably, the inner wall of the box body is rotationally connected with a rotating rod, the outer wall of the rotating rod is fixedly connected with a cam, the side wall of the box body is fixedly connected with a driving motor, the output end of the driving motor penetrates through the box body and is fixedly connected with the rotating rod, and a plurality of third springs are fixedly connected between the side wall of the fixed frame and the inner wall of the box body;

the rotating rod is driven to rotate by starting the driving motor, the cam is driven to rotate, when the protruding position of the cam rotates to the front side, the fixed frame is extruded to the front side, meanwhile, the third spring is extruded, when the protruding position of the cam rotates to the rear side, the extrusion to the fixed frame is released, the fixed frame is pushed to slide backwards by the elastic force of the third spring, and therefore the screening plate can slide reciprocally repeatedly, and screening efficiency of concrete raw materials is improved.

Preferably, the equal fixedly connected with baffle in fixed frame top both sides can shelter from the sieve both sides through the baffle, avoids concrete raw materials to spill from both sides in the screening process.

Preferably, the inner wall of the box body is fixedly connected with a discharging plate below the fixed frame and penetrates through the box body, and the qualified concrete raw materials screened by the sieve plate can be rapidly discharged through the discharging plate.

Compared with the prior art, the utility model has the beneficial effects that: through outside pulling spacer pin roll-off spacing downthehole, extrude the second spring simultaneously, remove the preliminary spacing to the sieve, then press down inside the spacing case slide-in spout, extrude first spring simultaneously, remove the fixed position to the sieve, can take out the fixed frame inside clear up or change with the sieve can, avoid appearing that the sieve mesh blocks up influence device screening efficiency.

Drawings

FIG. 1 is a schematic view of a screening device of the present utility model in partial front cross-section;

FIG. 2 is a schematic top view in partial cross-section of a screening apparatus of the present utility model;

FIG. 3 is a schematic view of the partial exterior configuration of the screening apparatus of the present utility model;

fig. 4 is a schematic view of a partial enlarged structure at a of the present utility model.

In the figure: 1. a case; 2. a feed hopper; 3. a fixed frame; 4. a sieve plate; 5. a fixed block; 6. a chute; 7. a limit box; 8. a first spring; 9. a limiting pin; 10. a limiting hole; 11. a second spring; 12. a through groove; 13. a rotating lever; 14. a cam; 15. a driving motor; 16. a third spring; 17. a baffle; 18. and a discharging plate.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Example 1

Referring to fig. 1-4, the present embodiment provides a concrete raw material screening device, including a box 1, a feed hopper 2 is fixedly connected at the top of the box 1, a fixed frame 3 is slidably connected inside the box 1 and penetrates through the box 1, a screen plate 4 is slidably connected at the inner wall of the fixed frame 3, a fixed block 5 is fixedly connected at the side wall of the fixed frame 3, a chute 6 is arranged at the top of the fixed block 5, a limit box 7 is slidably connected inside the chute 6 and abuts against the side wall of the screen plate 4, a plurality of first springs 8 are fixedly connected between the bottom of the limit box 7 and the chute 6, a limit pin 9 is slidably connected at the side wall of the limit box 7, a limit hole 10 is formed at the side wall of the screen plate 4, the side wall of the limit pin 9 penetrates through the limit box 7 and is inserted into the limit hole 10, and a second spring 11 is fixedly connected between the inside of the limit box 7 and the outer wall of the limit pin 9;

when the screen plate 4 needs to be cleaned or replaced, the limiting pin 9 is pulled outwards to slide out of the limiting hole 10, the second spring 11 is extruded, the preliminary limiting of the screen plate 4 is relieved, then the limiting box 7 is pressed downwards to slide into the sliding groove 6, the first spring 8 is extruded, the position fixing of the screen plate 4 is relieved, the limiting pin 9 is driven to slide into the through groove 12, the screen plate 4 can be pulled out of the fixing frame 3 to be cleaned or replaced, when the screen plate 4 is installed, the screen plate 4 is inserted into the inner wall of the fixing frame 3, then the limiting box 7 is loosened, the limiting box 7 is pushed to slide upwards through the elastic force of the first spring 8, the screen plate 4 is extruded into the fixing frame 3, finally the limiting pin 9 is loosened, the limiting pin 9 is pushed to be extruded and inserted into the limiting hole 10 through the elastic force of the second spring 11, and the position of the screen plate 4 is further fixed, and the technical problem that the screen plate 4 is inconvenient to be taken out to clean or replace in the prior art is solved.

Example 2

Referring to fig. 1-4, a further improvement was made over example 1:

wherein, logical groove 12 is offered and is put at fixed block 5 lateral wall and is corresponded the position with spacer 9, drives spacer 9 and slides into logical inslot 12 when pressing spacing case 7, avoids hindering the slip of spacing case 7.

Wherein, the rotating rod 13 is rotationally connected to the inner wall of the box body 1, the cam 14 is fixedly connected to the outer wall of the rotating rod 13, the driving motor 15 is fixedly connected to the side wall of the box body 1, the output end of the driving motor 15 penetrates through the box body 1 and is fixedly connected with the rotating rod 13, and a plurality of third springs 16 are fixedly connected between the side wall of the fixed frame 3 and the inner wall of the box body 1;

when the concrete raw material screening machine is used, firstly, concrete raw materials to be screened are poured into the top of the screen plate 4 through the feed hopper 2, then the driving motor 15 is started to drive the rotating rod 13 to rotate, the cam 14 is driven to rotate, when the protruding position of the cam 14 rotates to the front side, the fixed frame 3 is extruded to the front side, meanwhile, the third spring 16 is extruded, when the protruding position of the cam 14 rotates to the rear side, the extrusion of the fixed frame 3 is released, then the fixed frame 3 is pushed to slide backwards through the elastic force of the third spring 16, so that the screen plate 4 is repeatedly moved to uniformly screen the concrete raw materials, then the qualified concrete raw materials are discharged through the screen plate 4 on the discharge plate 18, and unqualified concrete raw materials are discharged through the other side of the screen plate 4, so that the screening of the concrete raw materials is realized.

Wherein, baffle 17 all fixed connection is in fixed frame 3 top both sides, can shelter from screen plate 4 both sides through baffle 17, avoids concrete raw materials to spill from both sides in the screening process.

Wherein, discharge plate 18 fixed connection just is located fixed frame 3 below and runs through box 1 setting at box 1 inner wall, can be with the qualified concrete raw materials of screen plate 4 screening quick discharge through discharge plate 18.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Other parts of the present utility model not described in detail are all of the prior art, and are not described in detail herein.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (6)

1. The utility model provides a concrete raw materials screening plant, includes box (1), box (1) top fixedly connected with feeder hopper (2), its characterized in that: the utility model discloses a box, including box (1), fixed frame (3), fixed block (5), spout (6), spout (7) and spout (4) lateral wall, fixed frame (3) inside sliding connection has fixed frame (3) and runs through box (1) setting, fixed frame (3) inner wall sliding connection has sieve (4), spout (6) have been seted up at fixed block (5) top, spout (6) inside sliding connection has spacing case (7) and offsets with sieve (4) lateral wall, fixedly connected with first spring (8) between spacing case (7) bottom and spout (6), spacing case (7) lateral wall sliding connection has spacer pin (9), spacing hole (10) have been seted up to sieve (4) lateral wall, spacing case (7) lateral wall is passed and is pegged graft inside spacing hole (10).

2. A concrete raw material screening apparatus according to claim 1, wherein: and a second spring (11) is fixedly connected between the inside of the limit box (7) and the outer wall of the limit pin (9).

3. A concrete raw material screening apparatus according to claim 1, wherein: the side wall of the fixed block (5) and the position corresponding to the limiting pin (9) are provided with through grooves (12).

4. A concrete raw material screening apparatus according to claim 1, wherein: the novel box comprises a box body (1), wherein a rotating rod (13) is rotatably connected to the inner wall of the box body (1), a cam (14) is fixedly connected to the outer wall of the rotating rod (13), a driving motor (15) is fixedly connected to the side wall of the box body (1), the output end of the driving motor (15) penetrates through the box body (1) and is fixedly connected with the rotating rod (13), and a plurality of third springs (16) are fixedly connected between the side wall of the fixed frame (3) and the inner wall of the box body (1).

5. A concrete raw material screening apparatus according to claim 1, wherein: baffle (17) are fixedly connected to two sides of the top of the fixed frame (3).

6. A concrete raw material screening apparatus according to claim 1, wherein: the inner wall of the box body (1) is fixedly connected with a discharging plate (18) below the fixed frame (3) and penetrates through the box body (1).