CN218654839U

CN218654839U - Concrete waste material reducing mechanism

Info

Publication number: CN218654839U
Application number: CN202223139881.4U
Authority: CN
Inventors: 赖克灿
Original assignee: Quanzhou Tingjiu Concrete Co ltd
Current assignee: Quanzhou Tingjiu Concrete Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-03-21
Anticipated expiration: 2032-11-25

Abstract

The utility model relates to a concrete waste material reducing mechanism relates to flood concrete waste material and smashes technical field, including the box, locate the feeder hopper at box top, locate the crushing cavity of box middle part and feeder hopper intercommunication to and install the crushing roller at crushing cavity upside, the box both sides are equipped with slope discharge gate, two respectively the slope discharge gate all communicates with crushing cavity bottom, the box inboard is equipped with negative pressure dust absorption mechanism, negative pressure dust absorption mechanism locates crushing cavity one side, can smash the crushed aggregates through crushing roller and crushing roller many times at the box, improves kibbling effect and efficiency greatly to can rotate the speed that promotes the waste material ejection of compact fast through the helical blade spiral that sets up, and utilize negative pressure dust absorption mechanism to carry out the negative pressure to filter the dust that produces when smashing and collect, reduce the influence of dust to operational environment.

Description

Concrete waste material reducing mechanism

Technical Field

The utility model relates to a concrete waste material reducing mechanism relates to flood concrete waste material and smashes technical field.

Background

The concrete is one of the most main civil engineering materials of the present generation, it is prepared according to certain proportion by gelled material, graininess aggregate, water, additive and admixture added if necessary, through evenly stirring, closely knit shaping, a kind of artificial stone material that curing and hardening becomes, the concrete has abundant raw materials, the cheap, the characteristic of simple production technology, therefore make its consumption bigger and bigger, but also produced a large amount of concrete waste, also must use the crushing unit of concrete waste, the crushing unit of existing concrete waste is discharged directly after breaking the waste through the crushing roller mainly, the crushing effect to the waste is bad, may need extra crushing equipment to finely cut, not so not only use trouble and effect slow, do not collect the dust well at the same time, influence the working environment, therefore necessary to propose a kind of crushing unit of concrete waste to improve the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a concrete waste material reducing mechanism to the not enough of prior art to solve the problem mentioned in the above-mentioned background art.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a concrete waste crushing device comprises a box body, a feed hopper arranged at the top of the box body, a crushing cavity arranged in the middle of the box body and communicated with the feed hopper, and a crushing roller arranged on the upper side of the crushing cavity, wherein two sides of the box body are respectively provided with an inclined discharge port, the two inclined discharge ports are both communicated with the bottom of the crushing cavity, a negative pressure dust collection mechanism is arranged on the inner side of the box body, and the negative pressure dust collection mechanism is arranged on one side of the crushing cavity;

the crushing cavity is vertically provided with a rotating shaft in the middle, the upper side and the lower side of the rotating shaft are respectively provided with a crushing roller and a helical blade, and the crushing roller is positioned below the crushing roller.

Furthermore, smash the cavity mid-mounting and have the vibrations filter sieve, the pivot runs through vibrations filter sieve middle part, the vibrations filter sieve is located and is smashed between roller and the helical blade.

Further, helical blade locates two between the slope discharge gate, driving motor is installed to the bottom half, driving motor is connected with the pivot axle.

Further, negative pressure dust absorption mechanism includes dust absorption passageway, filter plate, dust absorption fan and dust rose box, crushing cavity upside is located in the dust absorption passageway intercommunication, filter plate installs between crushing cavity and dust absorption passageway, dust absorption fan installs in the dust absorption passageway inboard, the embedding of dust rose box is installed in box one side to set up with dust absorption passageway intercommunication.

Further, the dust filter box comprises a collection cavity, an air inlet and an air outlet, wherein the air inlet and the air outlet are communicated with the upper side of the collection cavity, an air filter screen is installed on one side of the air outlet, and the air inlet is communicated with a dust collection channel.

Furthermore, a cone dispersing piece is fixedly arranged at the top of the rotating shaft and is positioned between the crushing roller and the crushing roller.

The utility model has the advantages that:

the utility model discloses an can smash the crushed aggregates through crushing roller and crushing roller many times at the box, improve kibbling effect and efficiency greatly to can rotate the speed that promotes the waste material ejection of compact fast through the helical blade spiral that sets up, and utilize negative pressure dust absorption mechanism to carry out the negative pressure to filter the collection to the dust that produces when smashing, reduce the influence of dust to operational environment, more have positive profitable result of use than prior art.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of the dust filter box of the present invention;

in the figure: the device comprises a box body 1, a feed hopper 2, an inclined discharge port 3, a crushing cavity 4, a crushing roller 5, a dust suction channel 61, a filter screen plate 62, a dust suction fan 63, a dust filter box 64, a collection cavity 641, an air inlet 642, an air outlet 643, an air filter screen 644, a rotating shaft 7, a crushing roller 71, a spiral blade 72, a cone dispersing piece 73, a vibrating filter screen 8 and a driving motor 9.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 to 3, the present invention provides a technical solution of a concrete waste smashing device: the crushing device comprises a box body 1, a feed hopper 2 arranged at the top of the box body 1, a crushing cavity 4 arranged in the middle of the box body 1 and communicated with the feed hopper 2, and a crushing roller 5 arranged on the upper side of the crushing cavity 4, wherein two sides of the box body 1 are respectively provided with an inclined discharge port 3, the two inclined discharge ports 3 are both communicated with the bottom of the crushing cavity 4, and a negative pressure dust suction mechanism is arranged on the inner side of the box body 1 and arranged on one side of the crushing cavity 4; the negative pressure dust collection mechanism is used for absorbing and filtering dust generated when the waste is crushed; crushing cavity 4 middle part is installed perpendicularly and is changeed shaft 7, and crushing roller 71 and helical blade 72 are installed respectively to both sides about changeing shaft 7, and crushing roller 71 is located crushing roller 5 below, and the crushed aggregates after crushing roller 5 is broken like this can last to smash in crushing roller 71, improves crushing effect and efficiency.

And crushing cavity 4 mid-mounting has vibrations filter sieve 8, and pivot 7 runs through vibrations filter sieve 8 middle part, and vibrations filter sieve 8 is located between crushing roller 71 and helical blade 72, and the crushed aggregates that is not conform to the size like this can last to be smashed by crushing roller 71 on vibrations filter sieve 8.

And in order to improve the ejection of compact effect after smashing, helical blade 72 is located between two slope discharge gates 3, and driving motor 9 is installed to box 1 bottom, and driving motor 9 is connected with 7 hub connections of pivot, and driving motor 9 drives the rotatory back of helical blade 72 in the pivot 7, and the quick meeting is with the material screw conveyor downwards, plugs up discharge gate 3 when avoiding the material more.

The negative pressure dust suction mechanism comprises a dust suction channel 61, a filter screen plate 62, a dust suction fan 63 and a dust filter box 64, wherein the dust suction channel 61 is communicated with the upper side of the crushing cavity 4, the filter screen plate 62 is arranged between the crushing cavity 4 and the dust suction channel 61, the dust suction fan 63 is arranged at the inner side of the dust suction channel 61, the dust filter box 64 is embedded in one side of the box body 1 and is communicated with the dust suction channel 61, negative pressure is generated by rotation of the dust suction fan 63, gas generated in the crushing cavity 4 is conveyed to the dust filter box 64, the dust filter box 64 comprises a collecting cavity 641, an air inlet 642 and an air outlet 643 which are communicated with the upper side of the collecting cavity 641, an air filter screen 644 is arranged at one side of the air outlet 643, the air inlet 642 is communicated with the dust suction channel 61, and the gas with dust is filtered by the air filter screen 644 after being conveyed into the dust filter box 64

And, the top of the spindle 7 is fixedly provided with the cone dispersing piece 73, the cone dispersing piece 73 is located between the crushing roller 71 and the crushing roller 5, and the cone dispersing piece 73 is narrow at the top and wide at the bottom, so that crushed aggregates can be dispersed towards four sides by the cone dispersing piece 73, the falling material is prevented from being too concentrated, and the crushing effect is favorably improved.

The utility model discloses the theory of operation, the utility model discloses throw into waste material by feeder hopper 2 after the preliminary breakage of crushing roller 5, then fall into centrum dispersion spare 73 upside and scatter and open, make the crushed aggregates after the breakage fall into crushing cavity 4, drive pivot 7 rotation through driving motor 9, make pivot 7 drive crushing roller 71 to further smash the crushed aggregates, the crushed aggregates that accord with the thickness fall onto helical blade 72 through 8 screens of vibrations filter sieve, through helical blade 72 quick carry the thin material spiral downwards, discharge through two slope discharge ports 3; the crushed aggregates which are not consistent with the thickness are continuously crushed by the crushing roller 71 on the upper side of the vibrating filter screen 8, dust generated in the process can enter the dust suction channel 61, large crushed aggregates can be blocked by the filter screen plate 62, only the dust is blown into the dust filter box 64 under the action of the dust suction fan 63, dust is filtered by the air filter screen 644 arranged in the dust filter box 64 and collected in the collection cavity 641, and the influence on the working environment caused by the discharge of the dust is greatly reduced.

It should be noted that the utility model relates to a concrete waste reducing mechanism, it mainly improves above-mentioned structure, and function, part and structure that it did not mention can adopt among the prior art can realize the part and the structure of corresponding function and implement.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

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 concrete waste reducing mechanism, includes box (1), locates feeder hopper (2) at box (1) top, locates crushing cavity (4) of box (1) middle part and feeder hopper (2) intercommunication to and install crushing roller (5) at crushing cavity (4) upside, its characterized in that: two sides of the box body (1) are respectively provided with an inclined discharge port (3), the two inclined discharge ports (3) are communicated with the bottom of the crushing cavity (4), the inner side of the box body (1) is provided with a negative pressure dust collection mechanism, and the negative pressure dust collection mechanism is arranged on one side of the crushing cavity (4);

the crushing cavity is characterized in that a rotating shaft (7) is vertically arranged in the middle of the crushing cavity (4), a crushing roller (71) and a helical blade (72) are respectively arranged on the upper side and the lower side of the rotating shaft (7), and the crushing roller (71) is located below the crushing roller (5).

2. The concrete waste crushing apparatus according to claim 1, wherein: smash cavity (4) mid-mounting have vibrations filter sieve (8), pivot (7) run through vibrations filter sieve (8) middle part, vibrations filter sieve (8) are located between crushing roller (71) and helical blade (72).

3. The concrete waste crushing apparatus according to claim 2, wherein: helical blade (72) are located two between slope discharge gate (3), driving motor (9) are installed to box (1) bottom, driving motor (9) are connected with pivot (7) axle.

4. The concrete waste crushing apparatus according to claim 1, wherein: negative pressure dust absorption mechanism includes dust absorption passageway (61), filter screen board (62), dust absorption fan (63) and dust filtration case (64), crushing cavity (4) upside is located in dust absorption passageway (61) intercommunication, filter screen board (62) are installed between crushing cavity (4) and dust absorption passageway (61), install in dust absorption passageway (61) inboard dust absorption fan (63), dust filtration case (64) embedding is installed in box (1) one side to set up with dust absorption passageway (61) intercommunication.

5. The concrete waste crushing apparatus according to claim 4, wherein: the dust filter box (64) comprises a collection cavity (641), an air inlet (642) and an air outlet (643) which are communicated with the upper side of the collection cavity (641), an air filter screen (644) is installed on one side of the air outlet (643), and the air inlet (642) is communicated with the dust suction channel (61).

6. A concrete waste reducing apparatus according to claim 3, wherein: the top of the rotating shaft (7) is fixedly provided with a cone dispersion member (73), and the cone dispersion member (73) is positioned between the crushing roller (71) and the crushing roller (5).