CN218655476U

CN218655476U - Concrete raw material screening machine with dust collector

Info

Publication number: CN218655476U
Application number: CN202223382303.3U
Authority: CN
Inventors: 孙晓冉; 孙道伟
Original assignee: Qingdao Rongxin Concrete Co ltd
Current assignee: Qingdao Rongxin Concrete Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-03-21
Anticipated expiration: 2032-12-16

Abstract

The utility model provides a concrete raw material screening machine with a dust removal device, which belongs to the technical field of concrete, and is provided with a frame, wherein the frame is provided with a screening box, a crushing box and a vibrating screening machine; the upper end of the screening box is provided with a first screening net, the bottom of the screening box is provided with a first discharge pipe, a first rubber sleeve is sleeved on the first discharge pipe, the bottom of the crushing box is provided with a second discharge pipe, a second rubber sleeve is sleeved on the second discharge pipe, and an inclined pipe is arranged between the screening box and the crushing box; the crushing box is internally provided with a crushing roller, and the vibration screening machine is internally provided with a vibration exciter; one end of the vibration screening machine is provided with a dust removal net, and the end of the vibration screening machine provided with the dust removal net is connected with a dust removal device which is provided with a dust removal pipe, a sprinkler head, a flow guide box, a filter box and a fan; the utility model provides a current concrete raw materials screen grader lack the breaker to the bold raw materials, and can produce the problem of dust in the working process.

Description

Concrete raw material screening machine with dust collector

Technical Field

The utility model belongs to the technical field of the concrete, particularly, relate to a concrete raw materials screening machine with dust collector.

Background

Concrete is a generic term for engineering composites where aggregates are cemented into a whole by cementitious materials. The term concrete generally refers to cement as a cementing material and sand and stone as aggregates; mixing with water in certain proportion and stirring to obtain the cement concrete. In the process of producing and preparing concrete, gravels with different particle sizes need to be separated, and screening equipment is needed at the moment, and because the concrete raw materials often have the condition of uneven particle sizes and are directly used for preparation, the quality of the concrete raw materials can be influenced, the raw materials need to be screened, so that the granularity of the raw materials is even; however, the concrete raw materials inevitably have large raw materials with unqualified sizes, most of the existing screening machines are designed to be that a common screening device can only screen out large concrete, and then the screened concrete raw materials are screened into large concrete with different grades, and the large concrete screened out needs to be transported to a grinding device at the front end of the processing machine for secondary processing, so that the processing efficiency is reduced, no crushing device for the large raw materials is provided, and dust can be generated in the screening process.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a concrete raw materials screening machine with dust collector for solve current concrete raw materials screening machine and lack the breaker to the bold raw materials, and can produce the technical problem of dust in the course of the work.

The utility model discloses a realize like this:

the utility model provides a concrete raw material screening machine with a dust removal device, which is provided with a frame, wherein the frame is provided with an upper beam, the upper beam is provided with a plurality of springs, the lower ends of the springs are connected with a vibration screening machine, the upper beam is also provided with a first support group and a second support group, the first support group is provided with a screening box, the second support group is provided with a crushing box, the vibration screening machine is hinged with a cover plate, and the cover plate is provided with a first feeding port and a second feeding port;

the screening box is a hollow device without a cover, a first screening net is arranged at the upper end of the screening box, a first discharging pipe is arranged at the bottom of the screening box, a first rubber sleeve is sleeved on the first discharging pipe, the first discharging pipe corresponds to the first feeding port, a second discharging pipe is arranged at the bottom of the crushing box, a second rubber sleeve is sleeved on the second discharging pipe, the second discharging pipe corresponds to the second feeding port, and an inclined pipe is arranged between the screening box and the crushing box;

the crushing box is internally provided with crushing rollers, the crushing rollers comprise a first crushing roller and a second crushing roller, the number of the first crushing roller and the number of the second crushing roller are two, the size of the first crushing roller is the same as that of the second crushing roller, the first crushing roller and the second crushing roller are both provided with buffer grooves arranged along the length direction of the first crushing roller and the second crushing roller, and vibration exciters are arranged in the vibration screening machine;

the utility model discloses a dust removal screen, including screening case, vibration screening machine, dust removal net, dust removal pipe, spray head, dust removal net, vibration screening machine be located the one end of screening case below is the dust removal net, the dust removal net that a plurality of sizes of equipartition are the same on the net, vibration screening machine has the one end of dust removal net is connected with dust collector, dust collector has the dust removal pipe, the top of dust removal pipe is equipped with the spray head, the spray head extends to the inside of dust removal pipe, the bottom of dust removal pipe just is located be equipped with the water conservancy diversion case under the spray head, the bottom of water conservancy diversion case is equipped with the rose box, still have the fan in the dust collector.

The utility model provides a pair of concrete raw materials screening machine with dust collector's technological effect as follows: the large-block raw materials after being screened by the screening box are broken by the aid of the breaking box, and the large-block concrete raw materials after being screened by the screening box enter the breaking box to be broken, so that the breaking amount can be reduced.

Through setting up apron, first rubber sleeve and second rubber sleeve reduction during operation dust excessive.

Through setting up first crushing roller and second crushing roller and make concrete raw materials all pass through twice breakage, crushing effect is good.

Through setting up the buffering recess, when being mingled with hard raw materials in the concrete raw materials, can play the effect of part buffering, prevent that broken sword on the crushing roller from bumping hard with hard raw materials, damaging the cutter, the buffering recess can prolong the life of crushing roller.

Make vibrating screen machine vibrations effect better through setting up the spring.

On the basis of the technical scheme, the utility model discloses a concrete raw materials sieve extension with dust collector can also be as follows improvement:

the second crushing roller is arranged below the first crushing roller, and the central axes of the first crushing roller and the second crushing roller are vertical to each other.

The beneficial effect who adopts above-mentioned improvement scheme does: through setting up first broken cylinder and second broken cylinder mutually perpendicular, make the damaged effect of concrete raw materials better.

The vibrating screening machine is characterized in that a plurality of layers of screening nets are arranged in the vibrating screening machine, and the meshes of each layer of screening net are sequentially reduced from top to bottom; and one end of the vibration screening machine corresponding to the dust removal net is a movable baffle.

The beneficial effect who adopts above-mentioned improvement scheme does: the concrete raw material can be screened into a plurality of grades by arranging a plurality of layers of screening nets.

The size of the dedusting mesh is smaller than that of the lowest screening mesh in the vibrating screening machine.

The beneficial effect who adopts above-mentioned improvement scheme does: the size of the dust removal mesh is smaller than that of the screening mesh at the lowest layer in the vibrating screening machine, so that the concrete raw materials to be screened are prevented from being sucked out when the dust removal device removes dust.

The diameter of the second material inlet is slightly larger than that of the second material outlet pipe, and the diameter of the first material inlet is slightly larger than that of the first material outlet pipe.

The beneficial effect who adopts above-mentioned improvement scheme does: the diameter of the second feeding hole is slightly larger than that of the second discharging pipe, the diameter of the first feeding hole is slightly larger than that of the first discharging pipe, so that the second discharging pipe and the first discharging pipe can extend into the vibrating screen machine through the second rubber sleeve and the first rubber sleeve, and the vibrating screen machine is prevented from colliding with the first discharging pipe and the second rubber sleeve in the vibrating process.

The screening box is arranged obliquely, one end of the inclined pipe is connected with the side wall of the screening box, and the other end of the inclined pipe is connected with the side wall of the crushing box.

The beneficial effect who adopts above-mentioned improvement scheme does: through setting up the pipe chute, make the concrete raw materials after the screening of screening case fall into broken incasement through the pipe chute and break.

Wherein, the filter tank is close to the one end of water conservancy diversion case has the filter screen.

The beneficial effect who adopts above-mentioned improvement scheme does: the filter screen can be arranged to filter the debris in the tap water.

The cover plate comprises a first door plate and a second door plate which are matched with each other for use, the first door plate and the second door plate are provided with matched openings, and the first feeding port and the second feeding port are formed by the openings between the first door plate and the second door plate.

The first door plate and the second door plate are both provided with rubber strips for sealing.

Wherein the length of the first support group is greater than the length of the second support group.

The beneficial effect who adopts above-mentioned improvement scheme does: the length of supporting the group through setting up first is greater than the length that the second supported the group, makes the screening case be higher than broken case, and the concrete raw materials after the screening of being convenient for falls to broken incasement from the screening case.

The second crushing roller is arranged below the first crushing roller, the first crushing roller and the second crushing roller are parallel to each other, and the distance between the two first crushing rollers is larger than the distance between the two second crushing rollers.

Compared with the prior art, the utility model provides a pair of concrete raw materials screening machine with dust collector's beneficial effect is: the crushing box is arranged to crush the large raw materials screened by the screening box, and the large concrete raw materials screened by the screening box enter the crushing box to be crushed, so that the crushing amount can be reduced; the cover plate, the first rubber sleeve and the second rubber sleeve are arranged to reduce dust overflow during work; the first crushing roller and the second crushing roller are arranged to crush the concrete raw materials twice, so that the crushing effect is good; by arranging the buffer groove, when hard raw materials are mixed in the concrete raw materials, a partial buffer effect can be achieved, the crushing cutter on the crushing roller is prevented from being hard-touched with the hard raw materials to damage the cutter, and the buffer groove can prolong the service life of the crushing roller; the vibrating effect of the vibrating screen machine is better by arranging the spring; the concrete raw material can be screened into a plurality of grades by arranging a plurality of layers of screening nets; the size of the dust removing mesh is smaller than that of the screening mesh at the lowest layer in the vibrating screening machine, so that the screened concrete raw material is prevented from being sucked out when the dust removing device removes dust; through setting up the pipe chute, make the concrete raw materials after the screening of screening case fall into broken incasement breakage through the pipe chute.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic perspective view of a concrete raw material screening machine having a dust removing device;

FIG. 2 is a schematic plan view of a concrete raw material screening machine with a dust removing device;

FIG. 3 is a schematic view of a dust removing apparatus of a concrete raw material screening machine having the dust removing apparatus;

FIG. 4 is a schematic illustration of a vibratory screening machine with a concrete raw material screening machine having a dust removal device;

FIG. 5 is a schematic view of a crushing drum of a concrete raw material screening machine having a dust removing device;

FIG. 6 is a schematic view of a second embodiment of a concrete raw material screening machine having a dust removal device;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a frame; 10. a spring; 2. a screening box; 20. a first screening net; 21. a first discharge pipe; 22. a first rubber sleeve; 23. a first feeding port; 24. an inclined tube; 3. a crushing box; 301. a first crushing drum; 302. a second crushing drum; 31. a second discharge pipe; 32. a second rubber sleeve; 33. a second feeding port; 4. a vibrating screen classifier; 41. a cover plate; 5. a dust removal device; 51. a dust removal pipe; 52. a sprinkler head; 53. a flow guide box; 54. a filter box.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

As shown in fig. 1-5, the present invention provides a first embodiment of a concrete raw material screening machine with a dust removing device, in this embodiment, the concrete raw material screening machine has a frame 1, the frame 1 has an upper beam, the upper beam is provided with a plurality of springs 10, the lower ends of the plurality of springs 10 are connected to a vibrating screening machine 4, the upper beam is further provided with a first supporting set and a second supporting set, the first supporting set is provided with a screening box 2, the second supporting set is provided with a crushing box 3, the vibrating screening machine 4 is hinged with a cover plate 41, the cover plate 41 is provided with a first feeding port 23 and a second feeding port 33;

the screening box 2 is a cover-free hollow device, a first screening net 20 is arranged at the upper end of the screening box 2, a first discharging pipe 21 is arranged at the bottom of the screening box 2, a first rubber sleeve 22 is sleeved on the first discharging pipe 21, the first discharging pipe 21 corresponds to a first feeding port 23, a second discharging pipe 31 is arranged at the bottom of the crushing box 3, a second rubber sleeve 32 is sleeved on the second discharging pipe 31, the second discharging pipe 31 corresponds to a second feeding port 33, and an inclined pipe 24 is arranged between the screening box 2 and the crushing box 3;

the crushing box 3 is internally provided with crushing rollers, each crushing roller comprises a first crushing roller 301 and a second crushing roller 302, the number of the first crushing roller 301 and the number of the second crushing roller 302 are two, the sizes of the first crushing roller 301 and the second crushing roller 302 are the same, the first crushing roller 301 and the second crushing roller 302 are both provided with buffer grooves arranged along the length direction of the first crushing roller and the second crushing roller, and vibration exciters are arranged in the vibration screening machine 4;

the end of the vibrating screen machine 4, which is located below the screening box 2, is a dust removal net, a plurality of dust removal meshes with the same size are uniformly distributed on the dust removal net, one end of the vibrating screen machine 4, which is provided with the dust removal net, is connected with a dust removal device 5, the dust removal device 5 is provided with a dust removal pipe 51, the top of the dust removal pipe 51 is provided with a spray head 52, the spray head 52 extends into the dust removal pipe 51, a flow guide box 53 is arranged at the bottom of the dust removal pipe 51 and is located right below the spray head 52, the bottom of the flow guide box 53 is provided with a filter box 54, and a fan is further arranged in the dust removal device 5.

When the device is used, concrete raw materials are firstly screened by the screening box 2, so that the concrete raw materials which do not need to be crushed can be screened out, and the screened concrete raw materials enter the vibrating screening machine 4 through the first discharge pipe 21 to be screened; the concrete raw materials to be crushed enter the crushing box 3 and are crushed by the crushing roller, and the crushed concrete raw materials enter the vibrating sieving machine 4 from the second discharge pipe 31 for sieving;

during dust removal, one end of the dust removal pipe 51 is connected with the vibrating screen classifier 4, the spraying head 52 is connected with an external water pipe, then an internal fan power supply is connected, air carrying dust and debris in the vibrating screen classifier 4 can flow into the dust removal pipe 51 through the fan, and when the air carrying dust and debris flows through tap water sprayed by the spraying head 52, the debris in the air and the tap water flow into the filter box 54 through the flow guide box 53.

The vibration exciter can be a three-phase asynchronous motor with the model YZU, which is produced by Nanjing Jinli motor company Limited.

In the above technical solution, the second crushing roller 302 is disposed below the first crushing roller 301, and central axes of the first crushing roller 301 and the second crushing roller 302 are perpendicular to each other.

In the technical scheme, a plurality of layers of screening nets are arranged in the vibrating screening machine 4, and the meshes of each layer of screening net are sequentially reduced from top to bottom; one end of the vibrating screen classifier 4 corresponding to the dust removing net is a movable baffle.

In the technical scheme, the size of the dust removal mesh is smaller than that of the lowermost screening net in the vibrating screening machine 4.

In the above technical solution, the diameter of the second material inlet 33 is slightly larger than the diameter of the second material outlet pipe 31, and the diameter of the first material inlet 23 is slightly larger than the diameter of the first material outlet pipe 21.

Wherein, in above-mentioned technical scheme, screening case 2 slope sets up, and the lateral wall of screening case 2 is connected to pipe chute 24 one end, and the lateral wall of broken case 3 is connected to the pipe chute 24 other end.

In the above technical solution, one end of the filtering box 54 close to the flow guiding box 53 is provided with a filtering net.

Wherein, in the above technical scheme, apron 41 includes two first door plant and the second door plant that cooperate and use, all is equipped with the matched with opening on first door plant and the second door plant, and the opening between first door plant and the second door plant forms first pan feeding mouth 23 and second pan feeding mouth 33.

In the above technical solution, the length of the first support group is greater than the length of the second support group.

As shown in fig. 6, the present invention provides a second embodiment of a concrete raw material screening machine with a dust removing device, in this embodiment, a second crushing roller 302 is disposed below a first crushing roller 301, the first crushing roller 301 and the second crushing roller 302 are parallel to each other, and the distance between two first crushing rollers 301 is greater than the distance between two second crushing rollers 302.

Specifically, the principle of the utility model is that: when the device is used, concrete raw materials are firstly screened by the screening box 2, the concrete raw materials which do not need to be crushed can be screened out, and the screened concrete raw materials enter the vibrating screening machine 4 through the first discharge pipe 21 to be screened; the concrete raw materials to be crushed enter the crushing box 3 and are crushed by the crushing roller, the crushed concrete raw materials enter the vibrating screening machine 4 from the second discharge pipe 31 for screening, and the vibrating screening machine 4 screens the concrete raw materials falling from the screening box 2 and the crushing box 3 into different grades; during dust removal, one end of the dust removal pipe 51 is connected with the vibrating screen classifier 4, the spraying head 52 is connected with an external water pipe, then an internal fan power supply is connected, air carrying dust and debris in the vibrating screen classifier 4 can flow into the dust removal pipe 51 through the fan, and when the air carrying dust and debris flows through tap water sprayed by the spraying head 52, the debris in the air and the tap water flow into the filter box 54 through the flow guide box 53.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A concrete raw material screening machine with a dust removing device is provided with a machine frame (1), wherein the machine frame (1) is provided with an upper cross beam, a plurality of springs (10) are arranged on the upper cross beam, the lower ends of the springs (10) are connected with a vibration screening machine (4), a first supporting group and a second supporting group are further arranged on the upper cross beam, a screening box (2) is arranged on the first supporting group, a crushing box (3) is arranged on the second supporting group, a cover plate (41) is hinged on the vibration screening machine (4), and a first feeding port (23) and a second feeding port (33) are formed in the cover plate (41);

the device is characterized in that the screening box (2) is a uncovered hollow device, a first screening net (20) is arranged at the upper end of the screening box (2), a first discharging pipe (21) is arranged at the bottom of the screening box (2), a first rubber sleeve (22) is sleeved on the first discharging pipe (21), the first discharging pipe (21) corresponds to the first feeding port (23), a second discharging pipe (31) is arranged at the bottom of the crushing box (3), a second rubber sleeve (32) is sleeved on the second discharging pipe (31), the second discharging pipe (31) corresponds to the second feeding port (33), and an inclined pipe (24) is arranged between the screening box (2) and the crushing box (3);

the crushing box (3) is internally provided with two crushing rollers, each crushing roller comprises a first crushing roller (301) and a second crushing roller (302), the sizes of the first crushing roller (301) and the second crushing roller (302) are the same, the first crushing roller (301) and the second crushing roller (302) are both provided with buffering grooves arranged along the length direction of the first crushing roller (301) and the second crushing roller (302), and a vibration exciter is arranged in the vibrating screen machine (4);

the utility model discloses a dust removal screen, including screening case (2), vibration screening machine (4), dust removal net, vibration screening machine (4) are located the one end of screening case (2) below is the dust removal net, the dust removal net that a plurality of sizes of equipartition are the same on the dust removal net, vibration screening machine (4) have the one end of dust removal net is connected with dust collector (5), dust collector (5) have dust removal pipe (51), the top of dust removal pipe (51) is equipped with sprinkler head (52), sprinkler head (52) extend to the inside of dust removal pipe (51), the bottom of dust removal pipe (51) just is located be equipped with water conservancy diversion case (53) under sprinkler head (52), the bottom of water conservancy diversion case (53) is equipped with rose box (54), the fan still has in dust collector (5).

2. A concrete raw material screening machine with a dust removing device according to claim 1, characterized in that the second crushing drum (302) is arranged below the first crushing drum (301), and the central axes of the first crushing drum (301) and the second crushing drum (302) are perpendicular to each other.

3. The concrete raw material screening machine with the dust removing device is characterized in that a plurality of layers of screening nets are arranged in the vibrating screening machine (4), and the meshes of each layer of screening net are reduced from top to bottom; and one end of the vibrating screen classifier (4) corresponding to the dust removal net is a movable baffle.

4. The concrete raw material screening machine with dust removing device according to claim 1, characterized in that the size of the dust removing mesh is smaller than the size of the lowest screening mesh in the vibratory screening machine (4).

5. The concrete raw material screening machine with a dust removal device according to claim 1, characterized in that the diameter of the second inlet opening (33) is slightly larger than the diameter of the second outlet pipe (31), and the diameter of the first inlet opening (23) is slightly larger than the diameter of the first outlet pipe (21).

6. The concrete raw material screening machine with the dust removing device is characterized in that the screening box (2) is arranged obliquely, one end of the inclined pipe (24) is connected with the side wall of the screening box (2), and the other end of the inclined pipe (24) is connected with the side wall of the crushing box (3).

7. The concrete raw material screening machine with the dust removing device according to claim 1, characterized in that the end of the filter box (54) near the flow guide box (53) is provided with a filter screen.

8. The concrete raw material screening machine with dust removing device according to claim 1, wherein the cover plate (41) comprises a first door panel and a second door panel which are used together, the first door panel and the second door panel are provided with matched openings, and the opening between the first door panel and the second door panel forms the first feeding port (23) and the second feeding port (33).

9. The concrete feedstock screen with dust extraction apparatus of claim 1, wherein the length of the first support group is greater than the length of the second support group.

10. A concrete raw material screening machine with a dust removing device according to claim 1, characterized in that the second crushing drum (302) is arranged below the first crushing drum (301), the first crushing drum (301) and the second crushing drum (302) are parallel to each other, and the distance between the two first crushing drums (301) is larger than the distance between the two second crushing drums (302).