CN211359581U

CN211359581U - Building grit sieving mechanism

Info

Publication number: CN211359581U
Application number: CN202020013408.3U
Authority: CN
Inventors: 李相洪
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2020-08-28
Anticipated expiration: 2030-01-02

Abstract

The utility model discloses a building sandstone screening device, which comprises a case, wherein the top of the case is fixedly connected with a feed hopper, one side of the case is provided with a coarse sand port, one side of the case, which is away from the coarse sand port, is provided with a medium sand port, the bottom of the case is provided with a fine sand port, the inside of the case is provided with a screening mechanism, and one side of the screening mechanism is provided with a vibrating mechanism; the utility model has the advantages that: be equipped with screening mechanism in this building grit sieving mechanism, moreover, the steam generator is simple in structure, be fit for the construction of minizone, the operator is as long as pour the grit into the feeder hopper, the coarse sand can be sieved the back through first screen cloth and discharge from the coarse sand mouth, well sand is discharged from the middle sand mouth after the second screen cloth sieves, remaining fine sand is discharged from the fine sand mouth, and the export of three kinds of grit has been established in the direction of three differences, conveniently sieve the back and carry out categorised use to the grit, so that form the higher concrete of intensity, potential safety hazard has been reduced and has been built.

Description

Building grit sieving mechanism

Technical Field

The utility model relates to a building grit sieving mechanism specifically is a grit screening, belongs to arrangement frame technical field.

Background

Sandstone refers to a loose mixture of sand grains and broken stones, the sandstone is often used as a high-quality building material and a concrete raw material due to good hardness and stable chemical properties, the sandstone is divided into coarse sand, medium sand and fine sand according to the particle size, and the medium sand is suitable for common concrete sand, or the coarse sand and a small amount of fine sand are used.

The existing equipment is provided with equipment for screening and classifying the sand according to the particle size, but most of the existing equipment is complex in structure and high in use cost, and is not suitable for small-scale building construction.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, the utility model provides a building sandstone screening device, which comprises a case feeding hopper, wherein the top of the case feeding hopper is fixedly connected with a feeding hopper, one side of the case feeding hopper is provided with a coarse sand opening feeding hopper, one side of the case feeding hopper, which is far away from the coarse sand opening feeding hopper, is provided with a medium sand opening feeding hopper, the bottom of the case feeding hopper is provided with a fine sand opening feeding hopper, the inside of the case feeding hopper is provided with a screening mechanism, and one side of the screening mechanism is provided with a vibrating mechanism;

screening mechanism includes the ladder frame feeder hopper, the ladder frame feeder hopper is in the inside of quick-witted case feeder hopper, ladder frame feeder hopper one side is equipped with the connecting rod feeder hopper, the centre of ladder frame feeder hopper is equipped with the intermediate lever feeder hopper, the both ends of intermediate lever feeder hopper respectively with the both sides fixed connection of ladder frame feeder hopper, the top of ladder frame feeder hopper is equipped with first screen cloth feeder hopper, the bottom of first screen cloth feeder hopper is equipped with second screen cloth feeder hopper.

The utility model discloses a pipe box feeder hopper, including pipe box feeder hopper, push rod feeder hopper, eccentric wheel feeder hopper, vibrating mechanism, push rod feeder hopper, pipe box feeder hopper, one side of intermediate lever feeder hopper, the inside of pipe box feeder hopper is equipped with the catch bar feeder hopper, catch bar feeder hopper and pipe box feeder hopper sliding connection, one side of catch bar feeder hopper is equipped with first cylinder, one side of catch bar feeder hopper is equipped with the eccentric wheel feeder hopper, one side of eccentric wheel feeder hopper is equipped with the second cylinder, be equipped with the crank rod feeder hopper between catch bar feeder hopper and the eccentric wheel feeder.

Preferably, the quantity of trapezoidal frame feeder hopper is established to two, two trapezoidal frame feeder hopper symmetric distribution, the quantity of connecting rod feeder hopper is established to four, four the both ends of connecting rod feeder hopper respectively with one side four corners fixed connection of two trapezoidal frame feeder hoppers.

Preferably, first screen cloth feeder hopper passes through the screw and can dismantle with two of them connecting rod feeder hoppers and be connected, second screen cloth feeder hopper passes through the screw and can dismantle with two other connecting rod feeder hoppers and be connected.

Preferably, two equal fixedly connected with spring in four corners of the trapezoid frame feeder hopper, the spring is fixedly connected with the inner wall of quick-witted case feeder hopper.

Preferably, the first cylinder is fixedly connected with the push rod feeding hopper, and the second cylinder is fixedly connected with the eccentric wheel feeding hopper.

Preferably, the one end and the first cylinder activity of bent pole feeder hopper are cup jointed, the other end and the second cylinder activity of bent pole feeder hopper are cup jointed.

Preferably, the middle of the fixed block feed hopper is fixedly connected with the pipe sleeve feed hopper, and two sides of the fixed block feed hopper are fixedly connected with the inner wall of the case feed hopper.

The utility model has the advantages that: the screening mechanism is arranged in the building gravel screening device, the structure is simple, the screening mechanism is suitable for small-range building construction, an operator only needs to pour gravel into the feeding hopper, the screening mechanism positioned inside the case can screen the gravel, coarse sand is discharged from a coarse sand port after being screened by the first screen, medium sand is discharged from a medium sand port after being screened by the second screen, and remaining fine sand is discharged from a fine sand port, so that the coarse sand, the medium sand and the fine sand are respectively classified, concrete with higher strength is conveniently formed by subsequent operation, and potential safety hazards of buildings are reduced;

this building grit sieving mechanism's export of three kinds of grit has been established in the direction of three difference, and the operator can be followed three direction and collected coarse sand, medium sand and fine sand respectively, and it is more convenient to categorised use, transportation etc. of follow-up grit to first screen cloth and second screen cloth can all be through the screw can dismantle the connection on the connecting rod of screening mechanism, even the grit has led to the fact the damage of screen cloth to the sieve mesh jam or long-time use, still can change the screen cloth at any time.

Drawings

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

FIG. 2 is a cross-sectional view of the interior of the enclosure shown in FIG. 1;

FIG. 3 is a schematic view of the sifting mechanism shown in FIG. 2;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is a side view of the vibration mechanism shown in fig. 3.

In the figure: 1. the device comprises a case, 2, a feed hopper, 3, a coarse sand port, 4, a medium sand port, 5, a fine sand port, 6, a trapezoidal frame, 7, a middle rod, 8, a first screen, 9, a second screen, 10, a connecting rod, 11, a pipe sleeve, 12, a push rod, 13, a fixed block, 14, a crank rod, 15 and an eccentric wheel.

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.

Referring to fig. 1-5, a building gravel screening device comprises a case 1, wherein a feed hopper 2 is arranged at the top of the case 1, a coarse sand port 3 is arranged at one side of the case 1, a middle sand port 4 is arranged at one side of the case 1 far away from the coarse sand port 3, a fine sand port 5 is arranged at the bottom of the case 1, coarse sand, middle sand and fine sand are respectively screened, outlets of the three kinds of gravel are arranged in three different directions, so that the gravel can be conveniently classified and used after screening, the strength of subsequently formed concrete is higher, the potential safety hazard is reduced, and a screening mechanism is arranged inside the case 1;

the screening mechanism comprises a trapezoid frame 6, the trapezoid frame 6 is arranged inside the case 1, the number of the trapezoid frame 6 is two, the two trapezoid frames 6 are symmetrically distributed, four corners of the trapezoid frame 6 are fixedly connected with springs, the springs are fixedly connected with the inner wall of the case 1, because of the connection of the springs, the trapezoid frame 6 has a movable space which can drive the screen to vibrate, four connecting rods 10 are arranged between the two trapezoid frames 6, two ends of the four connecting rods 10 are respectively and fixedly connected with four corners of one side of the two trapezoid frames 6, a middle rod 7 is arranged in the middle of the trapezoid frame 6, two ends of the middle rod 7 are respectively and fixedly connected with two sides of the trapezoid frame 6, a first screen 8 is arranged at the top of the trapezoid frame 6, the first screen 8 is detachably connected with the two connecting rods 10 through screws, a second screen 9 is arranged at the bottom of the first screen 8, the second screen 9 is detachably connected with the other two connecting rods 10 through, even the grit has caused the damage of screen cloth to sieve mesh jam or long-time use, still can change the screen cloth at any time, has made things convenient for the operator to overhaul the device. As the utility model discloses a technical optimization scheme, one side of intermediate lever 7 is equipped with pipe box 11, and one side of pipe box 11 is equipped with fixed block 13, the centre of

fixed block

13 and 11 fixed connection of pipe box, the both sides and the quick-witted case 1 inner wall fixed connection of fixed block 13, fixed block 13 is fixed vibrating mechanism. The inside of pipe box 11 is equipped with catch bar 12, catch bar 12 and pipe box 11 sliding connection, one side of catch bar 12 is equipped with the first cylinder, the first cylinder is fixed with catch bar 12, one side of catch bar 12 is equipped with eccentric wheel 15, one side of eccentric wheel 15 is equipped with the second cylinder, the second cylinder is fixed with eccentric wheel 15, be equipped with flexible pole 14 between catch bar 12 and eccentric wheel 15, one end of flexible pole 14 is cup jointed with the first cylinder activity, another end of flexible pole 14 is cup jointed with the second cylinder activity, catch bar 14 is equipped with between catch bar 12 and eccentric wheel 15, one end of flexible pole 14 is cup jointed with the first cylinder activity, another end of flexible pole 14 is cup jointed with the second cylinder activity, the axle center of eccentric wheel 15 can be fixed connection the output of external drive equipment, realize the vibration of screen cloth, carry out screening classification to the grit.

The utility model discloses when using, eccentric wheel 15's axle center can be with outside drive arrangement output fixed connection, eccentric wheel 15 rotates and drives the second cylinder and be circular motion, circular motion is done to the second cylinder and one section that circular motion drove curved movable rod 14 is circular motion, circular motion is done to curved movable rod 14's one end and is reciprocating linear motion to the other end that circular motion drove curved movable rod 14, reciprocating linear motion is done to the other end that curved movable rod 14 drives catch bar 12 and is reciprocating linear motion, catch bar 12 is reciprocating linear motion and drives intermediate lever 7 and be reciprocating linear motion, intermediate lever 7 is reciprocating linear motion and drives trapezoidal frame 6 and be reciprocating linear motion, trapezoidal frame 6 is reciprocating linear motion and drives connecting rod 10 and be reciprocating linear motion, connecting rod 10 is reciprocating linear motion and drives first screen cloth 8 and second screen cloth 9 and is reciprocating linear motion. An operator pours sand into the feed hopper 2, the sand falls from the feed hopper 2 onto the first screen 8, the first screen 8 is arranged to incline downwards and can only pass sand but can not pass stone particles, the stone particles can come out from the coarse sand port 3 along the first screen 8 due to the action of gravity and the vibration of the first screen 8, the sand can fall onto the second screen 9 through the first screen 8, the second screen 9 is arranged to incline downwards and can only pass fine sand, the coarse sand can come out from the middle sand port 4 along the second screen 9 due to the action of gravity and the vibration of the second screen 9, the fine sand can come out from the fine sand port 5 through the second screen 9, so that the separation of the coarse sand, the middle sand and the fine sand is realized, the first screen 8 and the second screen 9 are detachably connected on the connecting rod 10 of the screening mechanism through screws, even if the sand blocks the sieve holes or damages to the screens are caused by long-time use, still can change the screen cloth at any time, made things convenient for the operator to overhaul the device, this building grit sieving mechanism sieves coarse sand, middlings and fine sand respectively to the export of three kinds of grit has been established in the direction of three differences, conveniently sieves the classified use of back to the grit, and the intensity of the concrete of follow-up formation is higher, and simple structure, convenient operation.

For the technical personnel in the field, the screening mechanism and the vibration mechanism are simple to realize, coarse sand, medium sand and fine sand are respectively screened, the outlets of the three kinds of gravels are arranged in three different directions, the gravels are conveniently classified and used after screening, the strength of the subsequently formed concrete is higher, and the screening mechanism is simple and is suitable for small-scale building construction.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a building grit sieving mechanism, includes quick-witted case (1), its characterized in that: the top of the case (1) is fixedly connected with a feed hopper (2), one side of the case (1) is provided with a coarse sand port (3), one side of the case (1) far away from the coarse sand port (3) is provided with a medium sand port (4), the bottom of the case (1) is provided with a fine sand port (5), a screening mechanism is arranged inside the case (1), and one side of the screening mechanism is provided with a vibrating mechanism;

the screening mechanism comprises a trapezoid frame (6), the trapezoid frame (6) is arranged inside the case (1), a connecting rod (10) is arranged on one side of the trapezoid frame (6), a middle rod (7) is arranged in the middle of the trapezoid frame (6), two ends of the middle rod (7) are fixedly connected with two sides of the trapezoid frame (6) respectively, a first screen (8) is arranged at the top of the trapezoid frame (6), and a second screen (9) is arranged at the bottom of the first screen (8);

the vibrating mechanism comprises a pipe sleeve (11), the pipe sleeve (11) is arranged on one side of an intermediate rod (7), a push rod (12) is arranged inside the pipe sleeve (11), the push rod (12) is connected with the pipe sleeve (11) in a sliding mode, a first cylinder is arranged on one side of the push rod (12), an eccentric wheel (15) is arranged on one side of the push rod (12), a second cylinder is arranged on one side of the eccentric wheel (15), a crank rod (14) is arranged between the push rod (12) and the eccentric wheel (15), and a fixing block (13) is arranged on one side of the pipe sleeve (11).

2. The building sandstone screening device of claim 1, wherein: the number of the trapezoid frames (6) is two, the two trapezoid frames (6) are symmetrically distributed, the number of the connecting rods (10) is four, and the two ends of the connecting rods (10) are fixedly connected with four corners of one side of the two trapezoid frames (6) respectively.

3. The building sandstone screening device of claim 1, wherein: the first screen (8) is detachably connected with two connecting rods (10) through screws, and the second screen (9) is detachably connected with the other two connecting rods (10) through screws.

4. The building sandstone screening device of claim 1, wherein: the four corners of the two trapezoid frames (6) are fixedly connected with springs, and the springs are fixedly connected with the inner wall of the case (1).

5. The building sandstone screening device of claim 1, wherein: the first cylinder is fixedly connected with the push rod (12), and the second cylinder is fixedly connected with the eccentric wheel (15).

6. The building sandstone screening device of claim 1, wherein: one end of the bent moving rod (14) is movably sleeved with the first cylinder, and the other end of the bent moving rod (14) is movably sleeved with the second cylinder.

7. The building sandstone screening device of claim 1, wherein: the middle of the fixing block (13) is fixedly connected with the pipe sleeve (11), and two sides of the fixing block (13) are fixedly connected with the inner wall of the case (1).